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Andras Schmelczer 2025-12-07 13:38:23 +00:00
parent ad3191957a
commit b05e415acf
131 changed files with 16404 additions and 13617 deletions
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174
frontend/eslint.config.mjs
View file

@ -3,92 +3,92 @@ import tseslint from "typescript-eslint";
import unusedImports from "eslint-plugin-unused-imports";
export default [
{
ignores: [
"sync-client/src/services/types.ts",
"**/dist/",
"**/*.mjs",
"**/*.js"
]
},
...tseslint.config({
plugins: {
"unused-imports": unusedImports
},
extends: [eslint.configs.recommended, tseslint.configs.all],
rules: {
"no-unused-vars": "off",
"@typescript-eslint/restrict-template-expressions": "off",
"@typescript-eslint/no-unused-vars": "off",
"@typescript-eslint/no-floating-promises": [
"error",
{
allowForKnownSafeCalls: [
{ from: "package", name: ["suite", "test"], package: "node:test" },
],
},
],
"@typescript-eslint/parameter-properties": "off",
"@typescript-eslint/require-await": "off",
"@typescript-eslint/class-methods-use-this": "off",
"@typescript-eslint/consistent-return": "off",
"@typescript-eslint/no-unsafe-argument": "off",
"@typescript-eslint/max-params": "off",
"@typescript-eslint/no-magic-numbers": "off",
"@typescript-eslint/prefer-readonly-parameter-types": "off",
"@typescript-eslint/naming-convention": "off",
"no-restricted-properties": [
"error",
{
object: "Promise",
property: "all",
message: "Use `awaitAll` instead of Promise.all to always await all promises."
},
{
ignores: [
"sync-client/src/services/types.ts",
"**/dist/",
"**/*.mjs",
"**/*.js"
]
},
...tseslint.config({
plugins: {
"unused-imports": unusedImports
},
extends: [eslint.configs.recommended, tseslint.configs.all],
rules: {
"no-unused-vars": "off",
"@typescript-eslint/restrict-template-expressions": "off",
"@typescript-eslint/no-unused-vars": "off",
"@typescript-eslint/no-floating-promises": [
"error",
{
object: "Promise",
property: "allSettled",
message: "Use `awaitAll` instead of Promise.allSettled to always await all promises and throw on errors."
},
{
object: "String",
property: "replace",
message: "Use replaceAll instead of replace to replace all occurrences of a substring."
}
],
"no-restricted-syntax": [
"error",
{
selector: "CallExpression[callee.property.name='splice'][arguments.length=2][arguments.1.type='Literal'][arguments.1.value=1]",
message: "Use `removeFromArray(array, item)` instead of manually using indexOf + splice(index, 1). Import from 'sync-client/src/utils/remove-from-array'."
},
{
selector: "CallExpression[callee.property.name='filter'] > ArrowFunctionExpression[body.type='BinaryExpression'][body.operator='!==']",
message: "Use `removeFromArray(array, item)` instead of filter(x => x !== item) for better performance. Import from 'sync-client/src/utils/remove-from-array'."
},
{
selector: "CallExpression[callee.property.name='filter'] > ArrowFunctionExpression > BlockStatement > ReturnStatement > BinaryExpression[operator='!==']",
message: "Use `removeFromArray(array, item)` instead of filter(x => { return x !== item }) for better performance. Import from 'sync-client/src/utils/remove-from-array'."
},
{
selector: "CallExpression[callee.property.name='filter'] > FunctionExpression[body.type='BlockStatement'] > BlockStatement > ReturnStatement > BinaryExpression[operator='!==']",
message: "Use `removeFromArray(array, item)` instead of filter(function(x) { return x !== item }) for better performance. Import from 'sync-client/src/utils/remove-from-array'."
}
],
"unused-imports/no-unused-vars": [
"warn",
{
vars: "all",
varsIgnorePattern: "^_",
args: "after-used",
argsIgnorePattern: "^_"
}
]
},
languageOptions: {
parserOptions: {
projectService: true,
tsconfigRootDir: import.meta.dirname
}
}
})
allowForKnownSafeCalls: [
{ from: "package", name: ["suite", "test"], package: "node:test" },
],
},
],
"@typescript-eslint/parameter-properties": "off",
"@typescript-eslint/require-await": "off",
"@typescript-eslint/class-methods-use-this": "off",
"@typescript-eslint/consistent-return": "off",
"@typescript-eslint/no-unsafe-argument": "off",
"@typescript-eslint/max-params": "off",
"@typescript-eslint/no-magic-numbers": "off",
"@typescript-eslint/prefer-readonly-parameter-types": "off",
"@typescript-eslint/naming-convention": "off",
"no-restricted-properties": [
"error",
{
object: "Promise",
property: "all",
message: "Use `awaitAll` instead of Promise.all to always await all promises."
},
{
object: "Promise",
property: "allSettled",
message: "Use `awaitAll` instead of Promise.allSettled to always await all promises and throw on errors."
},
{
object: "String",
property: "replace",
message: "Use replaceAll instead of replace to replace all occurrences of a substring."
}
],
"no-restricted-syntax": [
"error",
{
selector: "CallExpression[callee.property.name='splice'][arguments.length=2][arguments.1.type='Literal'][arguments.1.value=1]",
message: "Use `removeFromArray(array, item)` instead of manually using indexOf + splice(index, 1). Import from 'sync-client/src/utils/remove-from-array'."
},
{
selector: "CallExpression[callee.property.name='filter'] > ArrowFunctionExpression[body.type='BinaryExpression'][body.operator='!==']",
message: "Use `removeFromArray(array, item)` instead of filter(x => x !== item) for better performance. Import from 'sync-client/src/utils/remove-from-array'."
},
{
selector: "CallExpression[callee.property.name='filter'] > ArrowFunctionExpression > BlockStatement > ReturnStatement > BinaryExpression[operator='!==']",
message: "Use `removeFromArray(array, item)` instead of filter(x => { return x !== item }) for better performance. Import from 'sync-client/src/utils/remove-from-array'."
},
{
selector: "CallExpression[callee.property.name='filter'] > FunctionExpression[body.type='BlockStatement'] > BlockStatement > ReturnStatement > BinaryExpression[operator='!==']",
message: "Use `removeFromArray(array, item)` instead of filter(function(x) { return x !== item }) for better performance. Import from 'sync-client/src/utils/remove-from-array'."
}
],
"unused-imports/no-unused-vars": [
"warn",
{
vars: "all",
varsIgnorePattern: "^_",
args: "after-used",
argsIgnorePattern: "^_"
}
]
},
languageOptions: {
parserOptions: {
projectService: true,
tsconfigRootDir: import.meta.dirname
}
}
})
];

358
frontend/local-client-cli/src/args.test.ts
View file

@ -4,227 +4,227 @@ import { parseArgs } from "./args";
import { LogLevel } from "sync-client";
test("parseArgs - parse basic arguments", () => {
const args = parseArgs([
"node",
"cli.js",
"-l",
"/path/to/vault",
"-r",
"https://sync.example.com",
"-t",
"mytoken",
"-v",
"default"
]);
const args = parseArgs([
"node",
"cli.js",
"-l",
"/path/to/vault",
"-r",
"https://sync.example.com",
"-t",
"mytoken",
"-v",
"default"
]);
assert.equal(args.localPath, "/path/to/vault");
assert.equal(args.remoteUri, "https://sync.example.com");
assert.equal(args.token, "mytoken");
assert.equal(args.vaultName, "default");
assert.equal(args.localPath, "/path/to/vault");
assert.equal(args.remoteUri, "https://sync.example.com");
assert.equal(args.token, "mytoken");
assert.equal(args.vaultName, "default");
});
test("parseArgs - parse long form arguments", () => {
const args = parseArgs([
"node",
"cli.js",
"--local-path",
"/path/to/vault",
"--remote-uri",
"https://sync.example.com",
"--token",
"mytoken",
"--vault-name",
"default"
]);
const args = parseArgs([
"node",
"cli.js",
"--local-path",
"/path/to/vault",
"--remote-uri",
"https://sync.example.com",
"--token",
"mytoken",
"--vault-name",
"default"
]);
assert.equal(args.localPath, "/path/to/vault");
assert.equal(args.remoteUri, "https://sync.example.com");
assert.equal(args.token, "mytoken");
assert.equal(args.vaultName, "default");
assert.equal(args.localPath, "/path/to/vault");
assert.equal(args.remoteUri, "https://sync.example.com");
assert.equal(args.token, "mytoken");
assert.equal(args.vaultName, "default");
});
test("parseArgs - parse with optional arguments", () => {
const args = parseArgs([
"node",
"cli.js",
"-l",
"/path/to/vault",
"-r",
"https://sync.example.com",
"-t",
"mytoken",
"-v",
"default",
"--sync-concurrency",
"5",
"--max-file-size-mb",
"20"
]);
const args = parseArgs([
"node",
"cli.js",
"-l",
"/path/to/vault",
"-r",
"https://sync.example.com",
"-t",
"mytoken",
"-v",
"default",
"--sync-concurrency",
"5",
"--max-file-size-mb",
"20"
]);
assert.equal(args.syncConcurrency, 5);
assert.equal(args.maxFileSizeMB, 20);
assert.equal(args.syncConcurrency, 5);
assert.equal(args.maxFileSizeMB, 20);
});
test("parseArgs - parse with multiple ignore patterns", () => {
const args = parseArgs([
"node",
"cli.js",
"-l",
"/path/to/vault",
"-r",
"https://sync.example.com",
"-t",
"mytoken",
"-v",
"default",
"--ignore-pattern",
".git/**",
"*.tmp"
]);
const args = parseArgs([
"node",
"cli.js",
"-l",
"/path/to/vault",
"-r",
"https://sync.example.com",
"-t",
"mytoken",
"-v",
"default",
"--ignore-pattern",
".git/**",
"*.tmp"
]);
assert.deepEqual(args.ignorePatterns, [".git/**", "*.tmp"]);
assert.deepEqual(args.ignorePatterns, [".git/**", "*.tmp"]);
});
test("parseArgs - throws on missing required arguments", () => {
assert.throws(() => {
parseArgs(["node", "cli.js", "-r", "https://sync.example.com"]);
}, /required option/);
assert.throws(() => {
parseArgs(["node", "cli.js", "-r", "https://sync.example.com"]);
}, /required option/);
});
test("parseArgs - throws on missing remote uri", () => {
assert.throws(() => {
parseArgs([
"node",
"cli.js",
"-l",
"/path/to/vault",
"-t",
"mytoken",
"-v",
"default"
]);
}, /--remote-uri/);
assert.throws(() => {
parseArgs([
"node",
"cli.js",
"-l",
"/path/to/vault",
"-t",
"mytoken",
"-v",
"default"
]);
}, /--remote-uri/);
});
test("parseArgs - throws on missing token", () => {
assert.throws(() => {
parseArgs([
"node",
"cli.js",
"-l",
"/path/to/vault",
"-r",
"https://sync.example.com",
"-v",
"default"
]);
}, /--token/);
assert.throws(() => {
parseArgs([
"node",
"cli.js",
"-l",
"/path/to/vault",
"-r",
"https://sync.example.com",
"-v",
"default"
]);
}, /--token/);
});
test("parseArgs - throws on missing vault name", () => {
assert.throws(() => {
parseArgs([
"node",
"cli.js",
"-l",
"/path/to/vault",
"-r",
"https://sync.example.com",
"-t",
"mytoken"
]);
}, /--vault-name/);
assert.throws(() => {
parseArgs([
"node",
"cli.js",
"-l",
"/path/to/vault",
"-r",
"https://sync.example.com",
"-t",
"mytoken"
]);
}, /--vault-name/);
});
test("parseArgs - default log level is INFO", () => {
const args = parseArgs([
"node",
"cli.js",
"-l",
"/path/to/vault",
"-r",
"https://sync.example.com",
"-t",
"mytoken",
"-v",
"default"
]);
const args = parseArgs([
"node",
"cli.js",
"-l",
"/path/to/vault",
"-r",
"https://sync.example.com",
"-t",
"mytoken",
"-v",
"default"
]);
assert.equal(args.logLevel, LogLevel.INFO);
assert.equal(args.logLevel, LogLevel.INFO);
});
test("parseArgs - parse DEBUG log level", () => {
const args = parseArgs([
"node",
"cli.js",
"-l",
"/path/to/vault",
"-r",
"https://sync.example.com",
"-t",
"mytoken",
"-v",
"default",
"--log-level",
"DEBUG"
]);
const args = parseArgs([
"node",
"cli.js",
"-l",
"/path/to/vault",
"-r",
"https://sync.example.com",
"-t",
"mytoken",
"-v",
"default",
"--log-level",
"DEBUG"
]);
assert.equal(args.logLevel, LogLevel.DEBUG);
assert.equal(args.logLevel, LogLevel.DEBUG);
});
test("parseArgs - parse ERROR log level", () => {
const args = parseArgs([
"node",
"cli.js",
"-l",
"/path/to/vault",
"-r",
"https://sync.example.com",
"-t",
"mytoken",
"-v",
"default",
"--log-level",
"ERROR"
]);
const args = parseArgs([
"node",
"cli.js",
"-l",
"/path/to/vault",
"-r",
"https://sync.example.com",
"-t",
"mytoken",
"-v",
"default",
"--log-level",
"ERROR"
]);
assert.equal(args.logLevel, LogLevel.ERROR);
assert.equal(args.logLevel, LogLevel.ERROR);
});
test("parseArgs - log level is case insensitive", () => {
const args = parseArgs([
"node",
"cli.js",
"-l",
"/path/to/vault",
"-r",
"https://sync.example.com",
"-t",
"mytoken",
"-v",
"default",
"--log-level",
"debug"
]);
const args = parseArgs([
"node",
"cli.js",
"-l",
"/path/to/vault",
"-r",
"https://sync.example.com",
"-t",
"mytoken",
"-v",
"default",
"--log-level",
"debug"
]);
assert.equal(args.logLevel, LogLevel.DEBUG);
assert.equal(args.logLevel, LogLevel.DEBUG);
});
test("parseArgs - throws on invalid log level", () => {
assert.throws(() => {
parseArgs([
"node",
"cli.js",
"-l",
"/path/to/vault",
"-r",
"https://sync.example.com",
"-t",
"mytoken",
"-v",
"default",
"--log-level",
"INVALID"
]);
}, /Invalid log level/);
assert.throws(() => {
parseArgs([
"node",
"cli.js",
"-l",
"/path/to/vault",
"-r",
"https://sync.example.com",
"-t",
"mytoken",
"-v",
"default",
"--log-level",
"INVALID"
]);
}, /Invalid log level/);
});

232
frontend/local-client-cli/src/args.ts
View file

@ -3,134 +3,134 @@ import packageJson from "../package.json";
import { LogLevel } from "sync-client";
export interface CliArgs {
remoteUri: string;
token: string;
vaultName: string;
localPath: string;
syncConcurrency?: number;
maxFileSizeMB?: number;
ignorePatterns?: string[];
webSocketRetryIntervalMs?: number;
logLevel: LogLevel;
health?: string;
enableTelemetry?: boolean;
remoteUri: string;
token: string;
vaultName: string;
localPath: string;
syncConcurrency?: number;
maxFileSizeMB?: number;
ignorePatterns?: string[];
webSocketRetryIntervalMs?: number;
logLevel: LogLevel;
health?: string;
enableTelemetry?: boolean;
}
export function parseArgs(argv: string[]): CliArgs {
const program = new Command();
const program = new Command();
program
.name("vaultlink")
.description(
"VaultLink Local CLI - Sync your vault to the local filesystem"
)
.version(packageJson.version)
.option("-l, --local-path <path>", "Local directory path to sync")
.option("-r, --remote-uri <uri>", "Remote server URI")
.option("-t, --token <token>", "Authentication token")
.option("-v, --vault-name <name>", "Vault name")
.option(
"--sync-concurrency <number>",
"[OPTIONAL] Number of concurrent sync operations",
parseInt
)
.option(
"--max-file-size-mb <number>",
"[OPTIONAL] Maximum file size in MB",
parseInt
)
.option(
"--ignore-pattern <pattern...>",
"[OPTIONAL] Patterns to ignore (can be specified multiple times)"
)
.option(
"--websocket-retry-interval-ms <number>",
"[OPTIONAL] WebSocket retry interval in milliseconds",
parseInt
)
.option(
"--log-level <level>",
"[OPTIONAL] Log level (DEBUG, INFO, WARNING, ERROR)",
"INFO"
)
.option(
"--health <path>",
"[OPTIONAL] Path to health status file for Docker healthcheck"
)
.option(
"--enable-telemetry",
"[OPTIONAL] Enable telemetry (disabled by default)"
)
.addHelpText(
"after",
`
program
.name("vaultlink")
.description(
"VaultLink Local CLI - Sync your vault to the local filesystem"
)
.version(packageJson.version)
.option("-l, --local-path <path>", "Local directory path to sync")
.option("-r, --remote-uri <uri>", "Remote server URI")
.option("-t, --token <token>", "Authentication token")
.option("-v, --vault-name <name>", "Vault name")
.option(
"--sync-concurrency <number>",
"[OPTIONAL] Number of concurrent sync operations",
parseInt
)
.option(
"--max-file-size-mb <number>",
"[OPTIONAL] Maximum file size in MB",
parseInt
)
.option(
"--ignore-pattern <pattern...>",
"[OPTIONAL] Patterns to ignore (can be specified multiple times)"
)
.option(
"--websocket-retry-interval-ms <number>",
"[OPTIONAL] WebSocket retry interval in milliseconds",
parseInt
)
.option(
"--log-level <level>",
"[OPTIONAL] Log level (DEBUG, INFO, WARNING, ERROR)",
"INFO"
)
.option(
"--health <path>",
"[OPTIONAL] Path to health status file for Docker healthcheck"
)
.option(
"--enable-telemetry",
"[OPTIONAL] Enable telemetry (disabled by default)"
)
.addHelpText(
"after",
`
Examples:
$ vaultlink -l ./my-vault -r https://sync.example.com -t mytoken -v default
$ vaultlink -l ./my-vault -r https://sync.example.com -t mytoken -v default \\
--ignore-pattern ".git/**" --ignore-pattern "*.tmp"
--ignore-pattern ".git/**" --ignore-pattern "*.tmp"
$ vaultlink -l ./my-vault -r https://sync.example.com -t mytoken -v default \\
--log-level DEBUG
--log-level DEBUG
`
);
);
program.parse(argv);
program.parse(argv);
/* eslint-disable @typescript-eslint/no-unsafe-type-assertion */
const opts = program.opts();
const localPath = opts.localPath as string | undefined;
const remoteUri = opts.remoteUri as string | undefined;
const token = opts.token as string | undefined;
const vaultName = opts.vaultName as string | undefined;
const syncConcurrency = opts.syncConcurrency as number | undefined;
const maxFileSizeMb = opts.maxFileSizeMb as number | undefined;
const ignorePattern = opts.ignorePattern as string[] | undefined;
const websocketRetryIntervalMs = opts.websocketRetryIntervalMs as
| number
| undefined;
const logLevelStr = (opts.logLevel as string | undefined) ?? "INFO";
const health = opts.health as string | undefined;
const enableTelemetry = opts.enableTelemetry as boolean | undefined;
/* eslint-enable @typescript-eslint/no-unsafe-type-assertion */
/* eslint-disable @typescript-eslint/no-unsafe-type-assertion */
const opts = program.opts();
const localPath = opts.localPath as string | undefined;
const remoteUri = opts.remoteUri as string | undefined;
const token = opts.token as string | undefined;
const vaultName = opts.vaultName as string | undefined;
const syncConcurrency = opts.syncConcurrency as number | undefined;
const maxFileSizeMb = opts.maxFileSizeMb as number | undefined;
const ignorePattern = opts.ignorePattern as string[] | undefined;
const websocketRetryIntervalMs = opts.websocketRetryIntervalMs as
| number
| undefined;
const logLevelStr = (opts.logLevel as string | undefined) ?? "INFO";
const health = opts.health as string | undefined;
const enableTelemetry = opts.enableTelemetry as boolean | undefined;
/* eslint-enable @typescript-eslint/no-unsafe-type-assertion */
if (localPath === undefined) {
throw new Error(
"required option '-l, --local-path <path>' not specified"
);
}
if (remoteUri === undefined) {
throw new Error("required option '--remote-uri <uri>' not specified");
}
if (token === undefined) {
throw new Error("required option '--token <token>' not specified");
}
if (vaultName === undefined) {
throw new Error("required option '--vault-name <name>' not specified");
}
if (localPath === undefined) {
throw new Error(
"required option '-l, --local-path <path>' not specified"
);
}
if (remoteUri === undefined) {
throw new Error("required option '--remote-uri <uri>' not specified");
}
if (token === undefined) {
throw new Error("required option '--token <token>' not specified");
}
if (vaultName === undefined) {
throw new Error("required option '--vault-name <name>' not specified");
}
// Validate and parse log level
const logLevelUpper = logLevelStr.toUpperCase();
const validLogLevels = Object.values(LogLevel);
const isLogLevel = (value: string): value is LogLevel => {
return (validLogLevels as readonly string[]).includes(value);
};
if (!isLogLevel(logLevelUpper)) {
throw new Error(
`Invalid log level '${logLevelStr}'. Valid values are: ${validLogLevels.join(", ")}`
);
}
const logLevel = logLevelUpper;
// Validate and parse log level
const logLevelUpper = logLevelStr.toUpperCase();
const validLogLevels = Object.values(LogLevel);
const isLogLevel = (value: string): value is LogLevel => {
return (validLogLevels as readonly string[]).includes(value);
};
if (!isLogLevel(logLevelUpper)) {
throw new Error(
`Invalid log level '${logLevelStr}'. Valid values are: ${validLogLevels.join(", ")}`
);
}
const logLevel = logLevelUpper;
return {
localPath,
remoteUri,
token,
vaultName,
syncConcurrency,
maxFileSizeMB: maxFileSizeMb,
ignorePatterns: ignorePattern,
webSocketRetryIntervalMs: websocketRetryIntervalMs,
logLevel,
health,
enableTelemetry
};
return {
localPath,
remoteUri,
token,
vaultName,
syncConcurrency,
maxFileSizeMB: maxFileSizeMb,
ignorePatterns: ignorePattern,
webSocketRetryIntervalMs: websocketRetryIntervalMs,
logLevel,
health,
enableTelemetry
};
}

396
frontend/local-client-cli/src/cli.ts
View file

@ -3,11 +3,11 @@ import * as fs from "fs/promises";
import * as fsSync from "fs";
import type { NetworkConnectionStatus } from "sync-client";
import {
SyncClient,
DEFAULT_SETTINGS,
LogLevel,
type SyncSettings,
type StoredDatabase
SyncClient,
DEFAULT_SETTINGS,
LogLevel,
type SyncSettings,
type StoredDatabase
} from "sync-client";
import { parseArgs } from "./args";
import { NodeFileSystemOperations } from "./node-filesystem";
@ -16,229 +16,229 @@ import { formatLogLine, colorize, styleText } from "./logger-formatter";
import packageJson from "../package.json";
function writeHealthStatus(
filePath: string,
connectionStatus: NetworkConnectionStatus
filePath: string,
connectionStatus: NetworkConnectionStatus
): void {
try {
fsSync.writeFileSync(filePath, JSON.stringify(connectionStatus));
} catch (error) {
console.error(
`Failed to write health status to ${filePath}: ${error instanceof Error ? error.message : String(error)}`
);
}
try {
fsSync.writeFileSync(filePath, JSON.stringify(connectionStatus));
} catch (error) {
console.error(
`Failed to write health status to ${filePath}: ${error instanceof Error ? error.message : String(error)}`
);
}
}
const LOG_LEVEL_ORDER = {
[LogLevel.DEBUG]: 0,
[LogLevel.INFO]: 1,
[LogLevel.WARNING]: 2,
[LogLevel.ERROR]: 3
[LogLevel.DEBUG]: 0,
[LogLevel.INFO]: 1,
[LogLevel.WARNING]: 2,
[LogLevel.ERROR]: 3
};
async function main(): Promise<void> {
const args = parseArgs(process.argv);
const absolutePath = path.resolve(args.localPath);
const args = parseArgs(process.argv);
const absolutePath = path.resolve(args.localPath);
try {
const stats = await fs.stat(absolutePath);
if (!stats.isDirectory()) {
console.error(
colorize(`Error: ${absolutePath} is not a directory`, "red")
);
process.exit(1);
}
} catch (error) {
console.error(
colorize(
`Error: Cannot access directory ${absolutePath}: ${error instanceof Error ? error.message : String(error)}`,
"red"
)
);
process.exit(1);
}
try {
const stats = await fs.stat(absolutePath);
if (!stats.isDirectory()) {
console.error(
colorize(`Error: ${absolutePath} is not a directory`, "red")
);
process.exit(1);
}
} catch (error) {
console.error(
colorize(
`Error: Cannot access directory ${absolutePath}: ${error instanceof Error ? error.message : String(error)}`,
"red"
)
);
process.exit(1);
}
console.log(
styleText("VaultLink Local CLI", "bold", "cyan") +
colorize(` v${packageJson.version}`, "dim")
);
console.log(colorize("=".repeat(50), "dim"));
console.log(
`${colorize("Local path:", "dim")} ${colorize(absolutePath, "green")}`
);
console.log(
`${colorize("Remote URI:", "dim")} ${colorize(args.remoteUri, "cyan")}`
);
console.log(
`${colorize("Vault name:", "dim")} ${colorize(args.vaultName, "green")}`
);
console.log("");
console.log(
styleText("VaultLink Local CLI", "bold", "cyan") +
colorize(` v${packageJson.version}`, "dim")
);
console.log(colorize("=".repeat(50), "dim"));
console.log(
`${colorize("Local path:", "dim")} ${colorize(absolutePath, "green")}`
);
console.log(
`${colorize("Remote URI:", "dim")} ${colorize(args.remoteUri, "cyan")}`
);
console.log(
`${colorize("Vault name:", "dim")} ${colorize(args.vaultName, "green")}`
);
console.log("");
const dataDir = path.join(absolutePath, ".vaultlink");
const dataFile = path.join(dataDir, "sync-data.json");
const dataDir = path.join(absolutePath, ".vaultlink");
const dataFile = path.join(dataDir, "sync-data.json");
await fs.mkdir(dataDir, { recursive: true });
await fs.mkdir(dataDir, { recursive: true });
const fileSystem = new NodeFileSystemOperations(absolutePath);
const fileSystem = new NodeFileSystemOperations(absolutePath);
const ignorePatterns = [
...(args.ignorePatterns ?? []),
".vaultlink/**",
".git/**"
];
const ignorePatterns = [
...(args.ignorePatterns ?? []),
".vaultlink/**",
".git/**"
];
const settings: SyncSettings = {
...DEFAULT_SETTINGS,
remoteUri: args.remoteUri,
token: args.token,
vaultName: args.vaultName,
syncConcurrency:
args.syncConcurrency ?? DEFAULT_SETTINGS.syncConcurrency,
maxFileSizeMB: args.maxFileSizeMB ?? DEFAULT_SETTINGS.maxFileSizeMB,
ignorePatterns,
webSocketRetryIntervalMs:
args.webSocketRetryIntervalMs ??
DEFAULT_SETTINGS.webSocketRetryIntervalMs,
isSyncEnabled: true,
enableTelemetry:
args.enableTelemetry ?? DEFAULT_SETTINGS.enableTelemetry
};
const settings: SyncSettings = {
...DEFAULT_SETTINGS,
remoteUri: args.remoteUri,
token: args.token,
vaultName: args.vaultName,
syncConcurrency:
args.syncConcurrency ?? DEFAULT_SETTINGS.syncConcurrency,
maxFileSizeMB: args.maxFileSizeMB ?? DEFAULT_SETTINGS.maxFileSizeMB,
ignorePatterns,
webSocketRetryIntervalMs:
args.webSocketRetryIntervalMs ??
DEFAULT_SETTINGS.webSocketRetryIntervalMs,
isSyncEnabled: true,
enableTelemetry:
args.enableTelemetry ?? DEFAULT_SETTINGS.enableTelemetry
};
const client = await SyncClient.create({
fs: fileSystem,
persistence: {
load: async () => {
let database: Partial<StoredDatabase> | undefined = undefined;
try {
const content = await fs.readFile(dataFile, "utf-8");
// eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion
database = JSON.parse(content) as Partial<StoredDatabase>;
} catch {
console.error(
colorize(
`Cannot read data file at ${dataFile}`,
"yellow"
)
);
}
const client = await SyncClient.create({
fs: fileSystem,
persistence: {
load: async () => {
let database: Partial<StoredDatabase> | undefined = undefined;
try {
const content = await fs.readFile(dataFile, "utf-8");
// eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion
database = JSON.parse(content) as Partial<StoredDatabase>;
} catch {
console.error(
colorize(
`Cannot read data file at ${dataFile}`,
"yellow"
)
);
}
return {
settings,
database
};
},
save: async ({ database: persistedDatabase }) => {
// settings can't be updated when running with this CLI
await fs.writeFile(
dataFile,
JSON.stringify(persistedDatabase, null, 2)
);
}
},
nativeLineEndings: process.platform === "win32" ? "\r\n" : "\n"
});
return {
settings,
database
};
},
save: async ({ database: persistedDatabase }) => {
// settings can't be updated when running with this CLI
await fs.writeFile(
dataFile,
JSON.stringify(persistedDatabase, null, 2)
);
}
},
nativeLineEndings: process.platform === "win32" ? "\r\n" : "\n"
});
if (args.health !== undefined) {
const healthFile = args.health;
const healthInterval = setInterval(() => {
void client.checkConnection().then((status) => {
writeHealthStatus(healthFile, status);
});
}, 30 * 1000); // every 30 seconds
const clearHealthInterval = (): void => {
clearInterval(healthInterval);
};
process.on("SIGINT", clearHealthInterval);
process.on("SIGTERM", clearHealthInterval);
process.on("exit", clearHealthInterval);
}
if (args.health !== undefined) {
const healthFile = args.health;
const healthInterval = setInterval(() => {
void client.checkConnection().then((status) => {
writeHealthStatus(healthFile, status);
});
}, 30 * 1000); // every 30 seconds
const clearHealthInterval = (): void => {
clearInterval(healthInterval);
};
process.on("SIGINT", clearHealthInterval);
process.on("SIGTERM", clearHealthInterval);
process.on("exit", clearHealthInterval);
}
// Add colored log formatter with level filtering
client.logger.addOnMessageListener((logLine) => {
// Only show messages at or above the configured log level
if (LOG_LEVEL_ORDER[logLine.level] >= LOG_LEVEL_ORDER[args.logLevel]) {
console.log(formatLogLine(logLine));
}
});
// Add colored log formatter with level filtering
client.logger.addOnMessageListener((logLine) => {
// Only show messages at or above the configured log level
if (LOG_LEVEL_ORDER[logLine.level] >= LOG_LEVEL_ORDER[args.logLevel]) {
console.log(formatLogLine(logLine));
}
});
client.logger.info("Starting sync client");
client.logger.info("Starting sync client");
const fileWatcher = new FileWatcher(absolutePath, client);
const fileWatcher = new FileWatcher(absolutePath, client);
client.addWebSocketStatusChangeListener(() => {
const isConnected = client.isWebSocketConnected;
client.logger.info(
`WebSocket status changed: ${isConnected ? "connected" : "disconnected"}`
);
});
client.addWebSocketStatusChangeListener(() => {
const isConnected = client.isWebSocketConnected;
client.logger.info(
`WebSocket status changed: ${isConnected ? "connected" : "disconnected"}`
);
});
client.addRemainingSyncOperationsListener((remaining) => {
if (remaining === 0) {
client.logger.info("All sync operations completed");
} else {
client.logger.info(`${remaining} sync operations remaining`);
}
});
client.addRemainingSyncOperationsListener((remaining) => {
if (remaining === 0) {
client.logger.info("All sync operations completed");
} else {
client.logger.info(`${remaining} sync operations remaining`);
}
});
const gracefulShutdown = async (signal: string): Promise<void> => {
console.log(
colorize(
`\n${signal} received. Shutting down gracefully...`,
"yellow"
)
);
const gracefulShutdown = async (signal: string): Promise<void> => {
console.log(
colorize(
`\n${signal} received. Shutting down gracefully...`,
"yellow"
)
);
fileWatcher.stop();
await client.waitUntilFinished();
await client.destroy();
console.log(colorize("Shutdown complete", "green"));
process.exit(0);
};
fileWatcher.stop();
await client.waitUntilFinished();
await client.destroy();
console.log(colorize("Shutdown complete", "green"));
process.exit(0);
};
process.on("SIGINT", () => {
void gracefulShutdown("SIGINT");
});
process.on("SIGTERM", () => {
void gracefulShutdown("SIGTERM");
});
process.on("SIGINT", () => {
void gracefulShutdown("SIGINT");
});
process.on("SIGTERM", () => {
void gracefulShutdown("SIGTERM");
});
try {
const connectionStatus = await client.checkConnection();
if (!connectionStatus.isSuccessful) {
console.error(
colorize(
`Error: Cannot connect to server: ${connectionStatus.serverMessage}`,
"red"
)
);
process.exit(1);
}
try {
const connectionStatus = await client.checkConnection();
if (!connectionStatus.isSuccessful) {
console.error(
colorize(
`Error: Cannot connect to server: ${connectionStatus.serverMessage}`,
"red"
)
);
process.exit(1);
}
console.log(`${colorize("✓", "green")} Server connection successful`);
console.log(colorize("Press Ctrl+C to stop", "dim"));
console.log("");
console.log(`${colorize("✓", "green")} Server connection successful`);
console.log(colorize("Press Ctrl+C to stop", "dim"));
console.log("");
await client.start();
fileWatcher.start();
} catch (error) {
console.error(
colorize(
`Fatal error: ${error instanceof Error ? error.message : String(error)}`,
"red"
)
);
await client.start();
fileWatcher.start();
} catch (error) {
console.error(
colorize(
`Fatal error: ${error instanceof Error ? error.message : String(error)}`,
"red"
)
);
fileWatcher.stop();
await client.destroy();
process.exit(1);
}
fileWatcher.stop();
await client.destroy();
process.exit(1);
}
}
main().catch((error: unknown) => {
console.error(
colorize(
`Unexpected error: ${error instanceof Error ? error.message : String(error)}`,
"red"
)
);
process.exit(1);
console.error(
colorize(
`Unexpected error: ${error instanceof Error ? error.message : String(error)}`,
"red"
)
);
process.exit(1);
});

84
frontend/local-client-cli/src/healthcheck.ts
View file

@ -9,58 +9,58 @@ import * as fs from "fs";
import type { NetworkConnectionStatus } from "sync-client";
function isHealthStatus(value: unknown): value is NetworkConnectionStatus {
if (typeof value !== "object" || value === null) {
return false;
}
if (typeof value !== "object" || value === null) {
return false;
}
return (
"isSuccessful" in value &&
typeof value.isSuccessful === "boolean" &&
"isWebSocketConnected" in value &&
typeof value.isWebSocketConnected === "boolean" &&
"serverMessage" in value &&
typeof value.serverMessage === "string"
);
return (
"isSuccessful" in value &&
typeof value.isSuccessful === "boolean" &&
"isWebSocketConnected" in value &&
typeof value.isWebSocketConnected === "boolean" &&
"serverMessage" in value &&
typeof value.serverMessage === "string"
);
}
function main(): void {
if (process.argv.length < 3) {
console.error("Usage: healthcheck <path-to-health-file>");
process.exit(1);
}
const [, , healthFile] = process.argv;
if (process.argv.length < 3) {
console.error("Usage: healthcheck <path-to-health-file>");
process.exit(1);
}
const [, , healthFile] = process.argv;
try {
// Check if health file exists
if (!fs.existsSync(healthFile)) {
console.error(`Health file does not exist: ${healthFile}`);
process.exit(1);
}
try {
// Check if health file exists
if (!fs.existsSync(healthFile)) {
console.error(`Health file does not exist: ${healthFile}`);
process.exit(1);
}
// Read and parse health status
const content = fs.readFileSync(healthFile, "utf-8");
const parsed: unknown = JSON.parse(content);
// Read and parse health status
const content = fs.readFileSync(healthFile, "utf-8");
const parsed: unknown = JSON.parse(content);
// Validate the parsed object using type guard
if (!isHealthStatus(parsed)) {
throw new Error("Invalid health status format");
}
// Validate the parsed object using type guard
if (!isHealthStatus(parsed)) {
throw new Error("Invalid health status format");
}
const status = parsed;
const status = parsed;
if (!status.isSuccessful || !status.isWebSocketConnected) {
console.error("Not connected to server: " + status.serverMessage);
process.exit(1);
}
if (!status.isSuccessful || !status.isWebSocketConnected) {
console.error("Not connected to server: " + status.serverMessage);
process.exit(1);
}
console.log("Healthy: Connected to server");
process.exit(0);
} catch (error) {
console.error(
`Health check failed: ${error instanceof Error ? error.message : String(error)}`
);
process.exit(1);
}
console.log("Healthy: Connected to server");
process.exit(0);
} catch (error) {
console.error(
`Health check failed: ${error instanceof Error ? error.message : String(error)}`
);
process.exit(1);
}
}
main();

104
frontend/local-client-cli/src/logger-formatter.ts
View file

@ -2,85 +2,85 @@ import { LogLevel, type LogLine } from "sync-client";
// ANSI color codes
export const colors = {
reset: "\x1b[0m",
bold: "\x1b[1m",
dim: "\x1b[2m",
reset: "\x1b[0m",
bold: "\x1b[1m",
dim: "\x1b[2m",
// Foreground colors
red: "\x1b[31m",
green: "\x1b[32m",
yellow: "\x1b[33m",
blue: "\x1b[34m",
magenta: "\x1b[35m",
cyan: "\x1b[36m",
gray: "\x1b[90m"
// Foreground colors
red: "\x1b[31m",
green: "\x1b[32m",
yellow: "\x1b[33m",
blue: "\x1b[34m",
magenta: "\x1b[35m",
cyan: "\x1b[36m",
gray: "\x1b[90m"
} as const;
export function colorize(text: string, color: keyof typeof colors): string {
return `${colors[color]}${text}${colors.reset}`;
return `${colors[color]}${text}${colors.reset}`;
}
/**
* Helper function to apply multiple color modifiers to text
*/
export function styleText(
text: string,
...modifiers: (keyof typeof colors)[]
text: string,
...modifiers: (keyof typeof colors)[]
): string {
const prefix = modifiers.map((m) => colors[m]).join("");
return `${prefix}${text}${colors.reset}`;
const prefix = modifiers.map((m) => colors[m]).join("");
return `${prefix}${text}${colors.reset}`;
}
function formatTimestamp(date: Date): string {
const [time] = date.toTimeString().split(" ");
const ms = date.getMilliseconds().toString().padStart(3, "0");
return colorize(`${time}.${ms}`, "gray");
const [time] = date.toTimeString().split(" ");
const ms = date.getMilliseconds().toString().padStart(3, "0");
return colorize(`${time}.${ms}`, "gray");
}
function formatLevel(level: LogLevel): string {
const levelStr = level.padEnd(7);
switch (level) {
case LogLevel.DEBUG:
return colorize(levelStr, "cyan");
case LogLevel.INFO:
return colorize(levelStr, "green");
case LogLevel.WARNING:
return colorize(levelStr, "yellow");
case LogLevel.ERROR:
return colorize(levelStr, "red");
}
const levelStr = level.padEnd(7);
switch (level) {
case LogLevel.DEBUG:
return colorize(levelStr, "cyan");
case LogLevel.INFO:
return colorize(levelStr, "green");
case LogLevel.WARNING:
return colorize(levelStr, "yellow");
case LogLevel.ERROR:
return colorize(levelStr, "red");
}
}
function formatMessage(message: string, level: LogLevel): string {
// Highlight important parts of the message
let formatted = message;
// Highlight important parts of the message
let formatted = message;
// Highlight file paths
formatted = formatted.replace(
/(['"])([^'"]*?\.(json|txt|md|js|ts))(['"])/g,
(_, q1, path, _ext, q2) => q1 + colorize(path, "magenta") + q2
);
// Highlight file paths
formatted = formatted.replace(
/(['"])([^'"]*?\.(json|txt|md|js|ts))(['"])/g,
(_, q1, path, _ext, q2) => q1 + colorize(path, "magenta") + q2
);
// Highlight numbers
formatted = formatted.replace(/\b(\d+)\b/g, (num) => colorize(num, "cyan"));
// Highlight numbers
formatted = formatted.replace(/\b(\d+)\b/g, (num) => colorize(num, "cyan"));
// Highlight patterns like /regex/
formatted = formatted.replace(/(\/\^[^$]*\$\/)/g, (pattern) =>
colorize(pattern, "yellow")
);
// Highlight patterns like /regex/
formatted = formatted.replace(/(\/\^[^$]*\$\/)/g, (pattern) =>
colorize(pattern, "yellow")
);
// Make error messages bold
if (level === LogLevel.ERROR) {
formatted = colorize(formatted, "bold");
}
// Make error messages bold
if (level === LogLevel.ERROR) {
formatted = colorize(formatted, "bold");
}
return formatted;
return formatted;
}
export function formatLogLine(logLine: LogLine): string {
const timestamp = formatTimestamp(logLine.timestamp);
const level = formatLevel(logLine.level);
const message = formatMessage(logLine.message, logLine.level);
const timestamp = formatTimestamp(logLine.timestamp);
const level = formatLevel(logLine.level);
const message = formatMessage(logLine.message, logLine.level);
return `${timestamp} ${level} ${message}`;
return `${timestamp} ${level} ${message}`;
}

206
frontend/local-client-cli/src/node-filesystem.test.ts
View file

@ -6,157 +6,157 @@ import * as os from "os";
import { NodeFileSystemOperations } from "./node-filesystem";
test("NodeFileSystemOperations - read and write files", async () => {
const tempDir = await fs.mkdtemp(path.join(os.tmpdir(), "vaultlink-test-"));
const fsOps = new NodeFileSystemOperations(tempDir);
const tempDir = await fs.mkdtemp(path.join(os.tmpdir(), "vaultlink-test-"));
const fsOps = new NodeFileSystemOperations(tempDir);
try {
const content = new TextEncoder().encode("Hello, world!");
await fsOps.write("test.txt", content);
try {
const content = new TextEncoder().encode("Hello, world!");
await fsOps.write("test.txt", content);
const readContent = await fsOps.read("test.txt");
assert.equal(new TextDecoder().decode(readContent), "Hello, world!");
} finally {
await fs.rm(tempDir, { recursive: true, force: true });
}
const readContent = await fsOps.read("test.txt");
assert.equal(new TextDecoder().decode(readContent), "Hello, world!");
} finally {
await fs.rm(tempDir, { recursive: true, force: true });
}
});
test("NodeFileSystemOperations - create nested directories with forward slashes", async () => {
const tempDir = await fs.mkdtemp(path.join(os.tmpdir(), "vaultlink-test-"));
const fsOps = new NodeFileSystemOperations(tempDir);
const tempDir = await fs.mkdtemp(path.join(os.tmpdir(), "vaultlink-test-"));
const fsOps = new NodeFileSystemOperations(tempDir);
try {
const content = new TextEncoder().encode("Nested file");
// Always use forward slashes in API
await fsOps.write("dir1/dir2/test.txt", content);
try {
const content = new TextEncoder().encode("Nested file");
// Always use forward slashes in API
await fsOps.write("dir1/dir2/test.txt", content);
const readContent = await fsOps.read("dir1/dir2/test.txt");
assert.equal(new TextDecoder().decode(readContent), "Nested file");
} finally {
await fs.rm(tempDir, { recursive: true, force: true });
}
const readContent = await fsOps.read("dir1/dir2/test.txt");
assert.equal(new TextDecoder().decode(readContent), "Nested file");
} finally {
await fs.rm(tempDir, { recursive: true, force: true });
}
});
test("NodeFileSystemOperations - exists with forward slashes", async () => {
const tempDir = await fs.mkdtemp(path.join(os.tmpdir(), "vaultlink-test-"));
const fsOps = new NodeFileSystemOperations(tempDir);
const tempDir = await fs.mkdtemp(path.join(os.tmpdir(), "vaultlink-test-"));
const fsOps = new NodeFileSystemOperations(tempDir);
try {
assert.equal(await fsOps.exists("test.txt"), false);
try {
assert.equal(await fsOps.exists("test.txt"), false);
await fsOps.write("test.txt", new TextEncoder().encode("test"));
await fsOps.write("test.txt", new TextEncoder().encode("test"));
assert.equal(await fsOps.exists("test.txt"), true);
} finally {
await fs.rm(tempDir, { recursive: true, force: true });
}
assert.equal(await fsOps.exists("test.txt"), true);
} finally {
await fs.rm(tempDir, { recursive: true, force: true });
}
});
test("NodeFileSystemOperations - delete with forward slashes", async () => {
const tempDir = await fs.mkdtemp(path.join(os.tmpdir(), "vaultlink-test-"));
const fsOps = new NodeFileSystemOperations(tempDir);
const tempDir = await fs.mkdtemp(path.join(os.tmpdir(), "vaultlink-test-"));
const fsOps = new NodeFileSystemOperations(tempDir);
try {
await fsOps.write("test.txt", new TextEncoder().encode("test"));
assert.equal(await fsOps.exists("test.txt"), true);
try {
await fsOps.write("test.txt", new TextEncoder().encode("test"));
assert.equal(await fsOps.exists("test.txt"), true);
await fsOps.delete("test.txt");
assert.equal(await fsOps.exists("test.txt"), false);
} finally {
await fs.rm(tempDir, { recursive: true, force: true });
}
await fsOps.delete("test.txt");
assert.equal(await fsOps.exists("test.txt"), false);
} finally {
await fs.rm(tempDir, { recursive: true, force: true });
}
});
test("NodeFileSystemOperations - rename with forward slashes", async () => {
const tempDir = await fs.mkdtemp(path.join(os.tmpdir(), "vaultlink-test-"));
const fsOps = new NodeFileSystemOperations(tempDir);
const tempDir = await fs.mkdtemp(path.join(os.tmpdir(), "vaultlink-test-"));
const fsOps = new NodeFileSystemOperations(tempDir);
try {
const content = new TextEncoder().encode("test content");
await fsOps.write("old.txt", content);
try {
const content = new TextEncoder().encode("test content");
await fsOps.write("old.txt", content);
await fsOps.rename("old.txt", "new.txt");
await fsOps.rename("old.txt", "new.txt");
assert.equal(await fsOps.exists("old.txt"), false);
assert.equal(await fsOps.exists("new.txt"), true);
assert.equal(await fsOps.exists("old.txt"), false);
assert.equal(await fsOps.exists("new.txt"), true);
const readContent = await fsOps.read("new.txt");
assert.equal(new TextDecoder().decode(readContent), "test content");
} finally {
await fs.rm(tempDir, { recursive: true, force: true });
}
const readContent = await fsOps.read("new.txt");
assert.equal(new TextDecoder().decode(readContent), "test content");
} finally {
await fs.rm(tempDir, { recursive: true, force: true });
}
});
test("NodeFileSystemOperations - rename to nested path with forward slashes", async () => {
const tempDir = await fs.mkdtemp(path.join(os.tmpdir(), "vaultlink-test-"));
const fsOps = new NodeFileSystemOperations(tempDir);
const tempDir = await fs.mkdtemp(path.join(os.tmpdir(), "vaultlink-test-"));
const fsOps = new NodeFileSystemOperations(tempDir);
try {
const content = new TextEncoder().encode("test content");
await fsOps.write("old.txt", content);
try {
const content = new TextEncoder().encode("test content");
await fsOps.write("old.txt", content);
await fsOps.rename("old.txt", "dir1/dir2/new.txt");
await fsOps.rename("old.txt", "dir1/dir2/new.txt");
assert.equal(await fsOps.exists("old.txt"), false);
assert.equal(await fsOps.exists("dir1/dir2/new.txt"), true);
} finally {
await fs.rm(tempDir, { recursive: true, force: true });
}
assert.equal(await fsOps.exists("old.txt"), false);
assert.equal(await fsOps.exists("dir1/dir2/new.txt"), true);
} finally {
await fs.rm(tempDir, { recursive: true, force: true });
}
});
test("NodeFileSystemOperations - getFileSize", async () => {
const tempDir = await fs.mkdtemp(path.join(os.tmpdir(), "vaultlink-test-"));
const fsOps = new NodeFileSystemOperations(tempDir);
const tempDir = await fs.mkdtemp(path.join(os.tmpdir(), "vaultlink-test-"));
const fsOps = new NodeFileSystemOperations(tempDir);
try {
const content = new TextEncoder().encode("Hello!");
await fsOps.write("test.txt", content);
try {
const content = new TextEncoder().encode("Hello!");
await fsOps.write("test.txt", content);
const size = await fsOps.getFileSize("test.txt");
assert.equal(size, content.length);
} finally {
await fs.rm(tempDir, { recursive: true, force: true });
}
const size = await fsOps.getFileSize("test.txt");
assert.equal(size, content.length);
} finally {
await fs.rm(tempDir, { recursive: true, force: true });
}
});
test("NodeFileSystemOperations - atomicUpdateText", async () => {
const tempDir = await fs.mkdtemp(path.join(os.tmpdir(), "vaultlink-test-"));
const fsOps = new NodeFileSystemOperations(tempDir);
const tempDir = await fs.mkdtemp(path.join(os.tmpdir(), "vaultlink-test-"));
const fsOps = new NodeFileSystemOperations(tempDir);
try {
await fsOps.write("test.txt", new TextEncoder().encode("Hello"));
try {
await fsOps.write("test.txt", new TextEncoder().encode("Hello"));
const result = await fsOps.atomicUpdateText("test.txt", (current) => ({
text: current.text + " World",
cursors: []
}));
const result = await fsOps.atomicUpdateText("test.txt", (current) => ({
text: current.text + " World",
cursors: []
}));
assert.equal(result, "Hello World");
assert.equal(result, "Hello World");
const content = await fsOps.read("test.txt");
assert.equal(new TextDecoder().decode(content), "Hello World");
} finally {
await fs.rm(tempDir, { recursive: true, force: true });
}
const content = await fsOps.read("test.txt");
assert.equal(new TextDecoder().decode(content), "Hello World");
} finally {
await fs.rm(tempDir, { recursive: true, force: true });
}
});
test("NodeFileSystemOperations - handles paths with forward slashes on all platforms", async () => {
const tempDir = await fs.mkdtemp(path.join(os.tmpdir(), "vaultlink-test-"));
const fsOps = new NodeFileSystemOperations(tempDir);
const tempDir = await fs.mkdtemp(path.join(os.tmpdir(), "vaultlink-test-"));
const fsOps = new NodeFileSystemOperations(tempDir);
try {
// API should always accept forward slashes
const testPath = "deep/nested/directory/file.txt";
const content = new TextEncoder().encode("test");
try {
// API should always accept forward slashes
const testPath = "deep/nested/directory/file.txt";
const content = new TextEncoder().encode("test");
await fsOps.write(testPath, content);
assert.equal(await fsOps.exists(testPath), true);
await fsOps.write(testPath, content);
assert.equal(await fsOps.exists(testPath), true);
const readContent = await fsOps.read(testPath);
assert.equal(new TextDecoder().decode(readContent), "test");
const readContent = await fsOps.read(testPath);
assert.equal(new TextDecoder().decode(readContent), "test");
await fsOps.delete(testPath);
assert.equal(await fsOps.exists(testPath), false);
} finally {
await fs.rm(tempDir, { recursive: true, force: true });
}
await fsOps.delete(testPath);
assert.equal(await fsOps.exists(testPath), false);
} finally {
await fs.rm(tempDir, { recursive: true, force: true });
}
});

360
frontend/local-client-cli/src/node-filesystem.ts
View file

@ -2,205 +2,205 @@ import * as fs from "fs/promises";
import type { Dirent } from "fs";
import * as path from "path";
import type {
FileSystemOperations,
RelativePath,
TextWithCursors
FileSystemOperations,
RelativePath,
TextWithCursors
} from "sync-client";
export class NodeFileSystemOperations implements FileSystemOperations {
public constructor(private readonly basePath: string) {}
public constructor(private readonly basePath: string) {}
public async listFilesRecursively(
directory: RelativePath | undefined
): Promise<RelativePath[]> {
const files: RelativePath[] = [];
await this.walkDirectory(
directory !== undefined ? this.toNativePath(directory) : "",
files
);
return files;
}
public async listFilesRecursively(
directory: RelativePath | undefined
): Promise<RelativePath[]> {
const files: RelativePath[] = [];
await this.walkDirectory(
directory !== undefined ? this.toNativePath(directory) : "",
files
);
return files;
}
public async read(relativePath: RelativePath): Promise<Uint8Array> {
const fullPath = path.join(
this.basePath,
this.toNativePath(relativePath)
);
try {
return await fs.readFile(fullPath);
} catch (error) {
throw new Error(
`Failed to read file ${fullPath}: ${error instanceof Error ? error.message : String(error)}`
);
}
}
public async read(relativePath: RelativePath): Promise<Uint8Array> {
const fullPath = path.join(
this.basePath,
this.toNativePath(relativePath)
);
try {
return await fs.readFile(fullPath);
} catch (error) {
throw new Error(
`Failed to read file ${fullPath}: ${error instanceof Error ? error.message : String(error)}`
);
}
}
public async write(
relativePath: RelativePath,
content: Uint8Array
): Promise<void> {
const fullPath = path.join(
this.basePath,
this.toNativePath(relativePath)
);
const dir = path.dirname(fullPath);
public async write(
relativePath: RelativePath,
content: Uint8Array
): Promise<void> {
const fullPath = path.join(
this.basePath,
this.toNativePath(relativePath)
);
const dir = path.dirname(fullPath);
try {
await fs.mkdir(dir, { recursive: true });
await fs.writeFile(fullPath, content);
} catch (error) {
throw new Error(
`Failed to write file ${fullPath}: ${error instanceof Error ? error.message : String(error)}`
);
}
}
try {
await fs.mkdir(dir, { recursive: true });
await fs.writeFile(fullPath, content);
} catch (error) {
throw new Error(
`Failed to write file ${fullPath}: ${error instanceof Error ? error.message : String(error)}`
);
}
}
public async atomicUpdateText(
relativePath: RelativePath,
updater: (current: TextWithCursors) => TextWithCursors
): Promise<string> {
const fullPath = path.join(
this.basePath,
this.toNativePath(relativePath)
);
public async atomicUpdateText(
relativePath: RelativePath,
updater: (current: TextWithCursors) => TextWithCursors
): Promise<string> {
const fullPath = path.join(
this.basePath,
this.toNativePath(relativePath)
);
try {
const currentContent = await fs.readFile(fullPath, "utf-8");
const result = updater({ text: currentContent, cursors: [] });
await fs.writeFile(fullPath, result.text, "utf-8");
return result.text;
} catch (error) {
throw new Error(
`Failed to atomically update file ${fullPath}: ${error instanceof Error ? error.message : String(error)}`
);
}
}
try {
const currentContent = await fs.readFile(fullPath, "utf-8");
const result = updater({ text: currentContent, cursors: [] });
await fs.writeFile(fullPath, result.text, "utf-8");
return result.text;
} catch (error) {
throw new Error(
`Failed to atomically update file ${fullPath}: ${error instanceof Error ? error.message : String(error)}`
);
}
}
public async getFileSize(relativePath: RelativePath): Promise<number> {
const fullPath = path.join(
this.basePath,
this.toNativePath(relativePath)
);
try {
const stats = await fs.stat(fullPath);
return stats.size;
} catch (error) {
throw new Error(
`Failed to get file size for ${fullPath}: ${error instanceof Error ? error.message : String(error)}`
);
}
}
public async getFileSize(relativePath: RelativePath): Promise<number> {
const fullPath = path.join(
this.basePath,
this.toNativePath(relativePath)
);
try {
const stats = await fs.stat(fullPath);
return stats.size;
} catch (error) {
throw new Error(
`Failed to get file size for ${fullPath}: ${error instanceof Error ? error.message : String(error)}`
);
}
}
public async exists(relativePath: RelativePath): Promise<boolean> {
const fullPath = path.join(
this.basePath,
this.toNativePath(relativePath)
);
try {
await fs.access(fullPath);
return true;
} catch {
return false;
}
}
public async exists(relativePath: RelativePath): Promise<boolean> {
const fullPath = path.join(
this.basePath,
this.toNativePath(relativePath)
);
try {
await fs.access(fullPath);
return true;
} catch {
return false;
}
}
public async createDirectory(relativePath: RelativePath): Promise<void> {
const fullPath = path.join(
this.basePath,
this.toNativePath(relativePath)
);
try {
await fs.mkdir(fullPath, { recursive: false });
} catch (error) {
throw new Error(
`Failed to create directory ${fullPath}: ${error instanceof Error ? error.message : String(error)}`
);
}
}
public async createDirectory(relativePath: RelativePath): Promise<void> {
const fullPath = path.join(
this.basePath,
this.toNativePath(relativePath)
);
try {
await fs.mkdir(fullPath, { recursive: false });
} catch (error) {
throw new Error(
`Failed to create directory ${fullPath}: ${error instanceof Error ? error.message : String(error)}`
);
}
}
public async delete(relativePath: RelativePath): Promise<void> {
const fullPath = path.join(
this.basePath,
this.toNativePath(relativePath)
);
try {
await fs.unlink(fullPath);
} catch (error) {
throw new Error(
`Failed to delete file ${fullPath}: ${error instanceof Error ? error.message : String(error)}`
);
}
}
public async delete(relativePath: RelativePath): Promise<void> {
const fullPath = path.join(
this.basePath,
this.toNativePath(relativePath)
);
try {
await fs.unlink(fullPath);
} catch (error) {
throw new Error(
`Failed to delete file ${fullPath}: ${error instanceof Error ? error.message : String(error)}`
);
}
}
public async rename(
oldPath: RelativePath,
newPath: RelativePath
): Promise<void> {
const oldFullPath = path.join(
this.basePath,
this.toNativePath(oldPath)
);
const newFullPath = path.join(
this.basePath,
this.toNativePath(newPath)
);
const newDir = path.dirname(newFullPath);
public async rename(
oldPath: RelativePath,
newPath: RelativePath
): Promise<void> {
const oldFullPath = path.join(
this.basePath,
this.toNativePath(oldPath)
);
const newFullPath = path.join(
this.basePath,
this.toNativePath(newPath)
);
const newDir = path.dirname(newFullPath);
try {
await fs.mkdir(newDir, { recursive: true });
await fs.rename(oldFullPath, newFullPath);
} catch (error) {
throw new Error(
`Failed to rename file from ${oldFullPath} to ${newFullPath}: ${error instanceof Error ? error.message : String(error)}`
);
}
}
try {
await fs.mkdir(newDir, { recursive: true });
await fs.rename(oldFullPath, newFullPath);
} catch (error) {
throw new Error(
`Failed to rename file from ${oldFullPath} to ${newFullPath}: ${error instanceof Error ? error.message : String(error)}`
);
}
}
private async walkDirectory(
relativePath: string,
files: RelativePath[]
): Promise<void> {
const fullPath = path.join(this.basePath, relativePath);
let entries: Dirent[] = [];
private async walkDirectory(
relativePath: string,
files: RelativePath[]
): Promise<void> {
const fullPath = path.join(this.basePath, relativePath);
let entries: Dirent[] = [];
try {
entries = await fs.readdir(fullPath, { withFileTypes: true });
} catch (error) {
throw new Error(
`Failed to read directory ${fullPath}: ${error instanceof Error ? error.message : String(error)}`
);
}
try {
entries = await fs.readdir(fullPath, { withFileTypes: true });
} catch (error) {
throw new Error(
`Failed to read directory ${fullPath}: ${error instanceof Error ? error.message : String(error)}`
);
}
for (const entry of entries) {
const entryName = entry.name;
const entryRelativePath = path.join(relativePath, entryName);
for (const entry of entries) {
const entryName = entry.name;
const entryRelativePath = path.join(relativePath, entryName);
if (entry.isDirectory()) {
await this.walkDirectory(entryRelativePath, files);
} else if (entry.isFile()) {
// Always return forward slashes
files.push(this.toUnixPath(entryRelativePath));
}
}
}
if (entry.isDirectory()) {
await this.walkDirectory(entryRelativePath, files);
} else if (entry.isFile()) {
// Always return forward slashes
files.push(this.toUnixPath(entryRelativePath));
}
}
}
/**
* Convert a forward-slash path to native platform path separators
*/
private toNativePath(relativePath: string): string {
if (path.sep === "\\") {
return relativePath.replace(/\//g, "\\");
}
return relativePath;
}
/**
* Convert a forward-slash path to native platform path separators
*/
private toNativePath(relativePath: string): string {
if (path.sep === "\\") {
return relativePath.replace(/\//g, "\\");
}
return relativePath;
}
/**
* Convert a native platform path to forward slashes
*/
private toUnixPath(nativePath: string): string {
if (path.sep === "\\") {
return nativePath.replace(/\\/g, "/");
}
return nativePath;
}
/**
* Convert a native platform path to forward slashes
*/
private toUnixPath(nativePath: string): string {
if (path.sep === "\\") {
return nativePath.replace(/\\/g, "/");
}
return nativePath;
}
}

1
frontend/obsidian-plugin/.hotreload
View file

@ -0,0 +1 @@

5
frontend/obsidian-plugin/README.md
View file

@ -85,8 +85,3 @@ If you have multiple URLs, you can also do:
## API Documentation
See https://github.com/obsidianmd/obsidian-api

18
frontend/obsidian-plugin/manifest.json
View file

@ -1,10 +1,10 @@
{
"id": "vault-link",
"name": "VaultLink",
"version": "0.12.0",
"minAppVersion": "0.0.0",
"description": "Self-hosted synchronization and collaboration for your Vault.",
"author": "Andras Schmelczer",
"authorUrl": "https://schmelczer.dev",
"isDesktopOnly": false
}
"id": "vault-link",
"name": "VaultLink",
"version": "0.12.0",
"minAppVersion": "0.0.0",
"description": "Self-hosted synchronization and collaboration for your Vault.",
"author": "Andras Schmelczer",
"authorUrl": "https://schmelczer.dev",
"isDesktopOnly": false
}

272
frontend/obsidian-plugin/src/obsidian-file-system.ts
View file

@ -2,175 +2,175 @@ import type { Stat, Vault, Workspace } from "obsidian";
import { MarkdownView, normalizePath } from "obsidian";
import type { CursorPosition, TextWithCursors } from "sync-client";
import {
utils,
type FileSystemOperations,
type RelativePath
utils,
type FileSystemOperations,
type RelativePath
} from "sync-client";
import { getSelectionsFromEditor } from "./views/cursors/get-selections-from-editor";
export class ObsidianFileSystemOperations implements FileSystemOperations {
public constructor(
private readonly vault: Vault,
private readonly workspace: Workspace
) {}
public constructor(
private readonly vault: Vault,
private readonly workspace: Workspace
) {}
public async listFilesRecursively(
root: RelativePath | undefined
): Promise<RelativePath[]> {
// Let's implement this by hand because vault.adapter.listAllFiles doesn't always return all files.
const allFiles = [];
const remainingFolders = [root ?? this.vault.getRoot().path];
public async listFilesRecursively(
root: RelativePath | undefined
): Promise<RelativePath[]> {
// Let's implement this by hand because vault.adapter.listAllFiles doesn't always return all files.
const allFiles = [];
const remainingFolders = [root ?? this.vault.getRoot().path];
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
while (true) {
const folder = remainingFolders.pop();
if (folder == undefined) {
break;
}
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
while (true) {
const folder = remainingFolders.pop();
if (folder == undefined) {
break;
}
// This would be a very bad idea to sync as it would mess with
// the integrity of the sync database.
if (folder.endsWith(".obsidian/plugins/vault-link/data.json")) {
continue;
}
// This would be a very bad idea to sync as it would mess with
// the integrity of the sync database.
if (folder.endsWith(".obsidian/plugins/vault-link/data.json")) {
continue;
}
const files = await this.vault.adapter.list(normalizePath(folder));
allFiles.push(...files.files);
remainingFolders.push(...files.folders);
}
const files = await this.vault.adapter.list(normalizePath(folder));
allFiles.push(...files.files);
remainingFolders.push(...files.folders);
}
return allFiles;
}
return allFiles;
}
public async read(path: RelativePath): Promise<Uint8Array> {
path = normalizePath(path);
const view = this.workspace.getActiveViewOfType(MarkdownView);
if (view?.file?.path === path) {
return new TextEncoder().encode(view.editor.getValue());
}
public async read(path: RelativePath): Promise<Uint8Array> {
path = normalizePath(path);
const view = this.workspace.getActiveViewOfType(MarkdownView);
if (view?.file?.path === path) {
return new TextEncoder().encode(view.editor.getValue());
}
return new Uint8Array(await this.vault.adapter.readBinary(path));
}
return new Uint8Array(await this.vault.adapter.readBinary(path));
}
public async write(path: RelativePath, content: Uint8Array): Promise<void> {
path = normalizePath(path);
public async write(path: RelativePath, content: Uint8Array): Promise<void> {
path = normalizePath(path);
const view = this.workspace.getActiveViewOfType(MarkdownView);
if (view?.file?.path === path) {
const position = view.editor.getCursor();
view.editor.setValue(new TextDecoder().decode(content));
view.editor.setCursor(position);
return;
}
const view = this.workspace.getActiveViewOfType(MarkdownView);
if (view?.file?.path === path) {
const position = view.editor.getCursor();
view.editor.setValue(new TextDecoder().decode(content));
view.editor.setCursor(position);
return;
}
return this.vault.adapter.writeBinary(
path,
// eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion
content.buffer as ArrayBuffer
);
}
return this.vault.adapter.writeBinary(
path,
// eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion
content.buffer as ArrayBuffer
);
}
public async atomicUpdateText(
path: RelativePath,
updater: (current: TextWithCursors) => TextWithCursors
): Promise<string> {
path = normalizePath(path);
public async atomicUpdateText(
path: RelativePath,
updater: (current: TextWithCursors) => TextWithCursors
): Promise<string> {
path = normalizePath(path);
const view = this.workspace.getActiveViewOfType(MarkdownView);
const view = this.workspace.getActiveViewOfType(MarkdownView);
if (view?.file?.path === path) {
const text = view.editor.getValue();
if (view?.file?.path === path) {
const text = view.editor.getValue();
const cursors: CursorPosition[] = getSelectionsFromEditor(
view.editor
).flatMap(({ id, start: anchor, end: head }) => [
{
id: 2 * id,
position: anchor
},
{
id: 2 * id + 1,
position: head
}
]);
const cursors: CursorPosition[] = getSelectionsFromEditor(
view.editor
).flatMap(({ id, start: anchor, end: head }) => [
{
id: 2 * id,
position: anchor
},
{
id: 2 * id + 1,
position: head
}
]);
const result = updater({
text,
cursors
});
const result = updater({
text,
cursors
});
if (result.text === text) {
return text;
}
if (result.text === text) {
return text;
}
view.editor.setValue(result.text);
view.editor.setValue(result.text);
const selections = [];
for (let i = 0; i < result.cursors.length / 2; i++) {
const from = result.cursors[2 * i];
const to = result.cursors[2 * i + 1];
const { line: fromLine, column: fromColumn } =
utils.positionToLineAndColumn(result.text, from.position);
const selections = [];
for (let i = 0; i < result.cursors.length / 2; i++) {
const from = result.cursors[2 * i];
const to = result.cursors[2 * i + 1];
const { line: fromLine, column: fromColumn } =
utils.positionToLineAndColumn(result.text, from.position);
const { line: toLine, column: toColumn } =
utils.positionToLineAndColumn(result.text, to.position);
const { line: toLine, column: toColumn } =
utils.positionToLineAndColumn(result.text, to.position);
selections.push({
anchor: { line: fromLine, ch: fromColumn },
head: { line: toLine, ch: toColumn }
});
}
view.editor.setSelections(selections);
selections.push({
anchor: { line: fromLine, ch: fromColumn },
head: { line: toLine, ch: toColumn }
});
}
view.editor.setSelections(selections);
return result.text;
}
return result.text;
}
return this.vault.adapter.process(
path,
(text) =>
updater({
text,
cursors: []
}).text
);
}
return this.vault.adapter.process(
path,
(text) =>
updater({
text,
cursors: []
}).text
);
}
public async getFileSize(path: RelativePath): Promise<number> {
return (await this.statFile(path)).size;
}
public async getFileSize(path: RelativePath): Promise<number> {
return (await this.statFile(path)).size;
}
public async getModificationTime(path: RelativePath): Promise<Date> {
return new Date((await this.statFile(path)).mtime);
}
public async getModificationTime(path: RelativePath): Promise<Date> {
return new Date((await this.statFile(path)).mtime);
}
public async exists(path: RelativePath): Promise<boolean> {
return this.vault.adapter.exists(normalizePath(path));
}
public async exists(path: RelativePath): Promise<boolean> {
return this.vault.adapter.exists(normalizePath(path));
}
public async createDirectory(path: RelativePath): Promise<void> {
return this.vault.adapter.mkdir(normalizePath(path));
}
public async createDirectory(path: RelativePath): Promise<void> {
return this.vault.adapter.mkdir(normalizePath(path));
}
public async delete(path: RelativePath): Promise<void> {
if (!(await this.vault.adapter.trashSystem(normalizePath(path)))) {
return this.vault.adapter.remove(normalizePath(path));
}
}
public async delete(path: RelativePath): Promise<void> {
if (!(await this.vault.adapter.trashSystem(normalizePath(path)))) {
return this.vault.adapter.remove(normalizePath(path));
}
}
public async rename(
oldPath: RelativePath,
newPath: RelativePath
): Promise<void> {
return this.vault.adapter.rename(oldPath, newPath);
}
public async rename(
oldPath: RelativePath,
newPath: RelativePath
): Promise<void> {
return this.vault.adapter.rename(oldPath, newPath);
}
private async statFile(path: string): Promise<Stat> {
const file = await this.vault.adapter.stat(normalizePath(path));
private async statFile(path: string): Promise<Stat> {
const file = await this.vault.adapter.stat(normalizePath(path));
if (!file) {
throw new Error(`File not found: ${path}`);
}
if (!file) {
throw new Error(`File not found: ${path}`);
}
return file;
}
return file;
}
}

2
frontend/obsidian-plugin/src/views/cursors/file-explorer.scss
View file

@ -12,4 +12,4 @@
font-size: var(--font-smallest);
font-style: italic;
}
}
}

18
frontend/obsidian-plugin/src/views/cursors/get-selections-from-editor.ts
View file

@ -2,16 +2,16 @@ import type { Editor } from "obsidian";
import { utils } from "sync-client";
export interface Selection {
id: number;
start: number;
end: number;
id: number;
start: number;
end: number;
}
export function getSelectionsFromEditor(editor: Editor): Selection[] {
const text = editor.getValue();
return editor.listSelections().map(({ anchor, head }, i) => ({
id: i,
start: utils.lineAndColumnToPosition(text, anchor.line, anchor.ch),
end: utils.lineAndColumnToPosition(text, head.line, head.ch)
}));
const text = editor.getValue();
return editor.listSelections().map(({ anchor, head }, i) => ({
id: i,
start: utils.lineAndColumnToPosition(text, anchor.line, anchor.ch),
end: utils.lineAndColumnToPosition(text, head.line, head.ch)
}));
}

76
frontend/obsidian-plugin/src/views/cursors/local-cursor-update-listener.ts
View file

@ -5,46 +5,46 @@ import type { Selection } from "./get-selections-from-editor";
import { getSelectionsFromEditor } from "./get-selections-from-editor";
export class LocalCursorUpdateListener {
private static readonly UPDATE_INTERVAL_MS = 50;
private readonly eventHandle: NodeJS.Timeout;
private static readonly UPDATE_INTERVAL_MS = 50;
private readonly eventHandle: NodeJS.Timeout;
public constructor(
private readonly client: SyncClient,
private readonly workspace: Workspace
) {
this.eventHandle = setInterval(() => {
this.updateAllSelections();
}, LocalCursorUpdateListener.UPDATE_INTERVAL_MS);
}
public constructor(
private readonly client: SyncClient,
private readonly workspace: Workspace
) {
this.eventHandle = setInterval(() => {
this.updateAllSelections();
}, LocalCursorUpdateListener.UPDATE_INTERVAL_MS);
}
public dispose(): void {
clearInterval(this.eventHandle);
}
public dispose(): void {
clearInterval(this.eventHandle);
}
private updateAllSelections(): void {
const currentCursors = this.getAllSelections();
this.client
.updateLocalCursors(currentCursors)
.catch((error: unknown) => {
this.client.logger.error(
`Failed to update local cursors: ${error}`
);
});
}
private updateAllSelections(): void {
const currentCursors = this.getAllSelections();
this.client
.updateLocalCursors(currentCursors)
.catch((error: unknown) => {
this.client.logger.error(
`Failed to update local cursors: ${error}`
);
});
}
private getAllSelections(): Record<string, Selection[]> {
const cursors: Record<string, Selection[]> = {};
this.workspace
.getLeavesOfType("markdown")
.map((leaf) => leaf.view)
.filter((view) => view instanceof MarkdownView)
.forEach((view) => {
const { file } = view;
if (!file) {
return;
}
cursors[file.path] = getSelectionsFromEditor(view.editor);
});
return cursors;
}
private getAllSelections(): Record<string, Selection[]> {
const cursors: Record<string, Selection[]> = {};
this.workspace
.getLeavesOfType("markdown")
.map((leaf) => leaf.view)
.filter((view) => view instanceof MarkdownView)
.forEach((view) => {
const { file } = view;
if (!file) {
return;
}
cursors[file.path] = getSelectionsFromEditor(view.editor);
});
return cursors;
}
}

98
frontend/obsidian-plugin/src/views/cursors/remote-cursor-theme.ts
View file

@ -4,60 +4,60 @@ const CARET_WIDTH = 2;
const DOT_RADIUS = 4;
export const remoteCursorsTheme = EditorView.baseTheme({
".selection-caret": {
position: "relative"
},
".selection-caret": {
position: "relative"
},
".selection-caret > *": {
position: "absolute",
backgroundColor: "inherit"
},
".selection-caret > *": {
position: "absolute",
backgroundColor: "inherit"
},
".selection-caret > .stick": {
left: 0,
top: 0,
transform: "translateX(-50%)",
width: `${CARET_WIDTH}px`,
height: "100%",
display: "block",
borderRadius: `${CARET_WIDTH / 2}px`,
animation: "blink-stick 1s steps(1) infinite"
},
".selection-caret > .stick": {
left: 0,
top: 0,
transform: "translateX(-50%)",
width: `${CARET_WIDTH}px`,
height: "100%",
display: "block",
borderRadius: `${CARET_WIDTH / 2}px`,
animation: "blink-stick 1s steps(1) infinite"
},
"@keyframes blink-stick": {
"0%, 100%": { opacity: 1 },
"50%": { opacity: 0 }
},
"@keyframes blink-stick": {
"0%, 100%": { opacity: 1 },
"50%": { opacity: 0 }
},
".selection-caret > .dot": {
borderRadius: "50%",
width: `${DOT_RADIUS * 2}px`,
height: `${DOT_RADIUS * 2}px`,
top: `-${DOT_RADIUS}px`,
left: `-${DOT_RADIUS}px`,
transition: "transform .3s ease-in-out",
transformOrigin: "bottom center",
boxSizing: "border-box"
},
".selection-caret > .dot": {
borderRadius: "50%",
width: `${DOT_RADIUS * 2}px`,
height: `${DOT_RADIUS * 2}px`,
top: `-${DOT_RADIUS}px`,
left: `-${DOT_RADIUS}px`,
transition: "transform .3s ease-in-out",
transformOrigin: "bottom center",
boxSizing: "border-box"
},
".selection-caret:hover > .dot": {
transform: "scale(0)"
},
".selection-caret:hover > .dot": {
transform: "scale(0)"
},
".selection-caret > .info": {
top: "-1.3em",
left: `-${CARET_WIDTH / 2}px`,
fontSize: "0.9em",
userSelect: "none",
color: "white",
padding: "0 2px",
transition: "opacity .3s ease-in-out",
opacity: 0,
whiteSpace: "nowrap",
borderRadius: "3px 3px 3px 0"
},
".selection-caret > .info": {
top: "-1.3em",
left: `-${CARET_WIDTH / 2}px`,
fontSize: "0.9em",
userSelect: "none",
color: "white",
padding: "0 2px",
transition: "opacity .3s ease-in-out",
opacity: 0,
whiteSpace: "nowrap",
borderRadius: "3px 3px 3px 0"
},
".selection-caret:hover > .info": {
opacity: 1
}
".selection-caret:hover > .info": {
opacity: 1
}
});

72
frontend/obsidian-plugin/src/views/cursors/remote-cursor-widget.ts
View file

@ -1,46 +1,46 @@
import { AnnotationType, Annotation, RangeSet, Range } from "@codemirror/state";
import {
ViewUpdate,
ViewPlugin,
Decoration,
WidgetType
ViewUpdate,
ViewPlugin,
Decoration,
WidgetType
} from "@codemirror/view";
import type { PluginValue, DecorationSet, EditorView } from "@codemirror/view";
export class RemoteCursorWidget extends WidgetType {
public constructor(
private readonly color: string,
private readonly name: string
) {
super();
}
public constructor(
private readonly color: string,
private readonly name: string
) {
super();
}
public toDOM(editor: EditorView): HTMLElement {
return editor.contentDOM.createEl(
"span",
{
cls: "selection-caret",
attr: {
style: `background-color: ${this.color}; border-color: ${this.color}`
}
},
(span) => {
span.createEl("div", {
cls: "stick"
});
span.createEl("div", {
cls: "dot"
});
span.createEl("div", {
cls: "info",
text: this.name
});
}
);
}
public toDOM(editor: EditorView): HTMLElement {
return editor.contentDOM.createEl(
"span",
{
cls: "selection-caret",
attr: {
style: `background-color: ${this.color}; border-color: ${this.color}`
}
},
(span) => {
span.createEl("div", {
cls: "stick"
});
span.createEl("div", {
cls: "dot"
});
span.createEl("div", {
cls: "info",
text: this.name
});
}
);
}
public eq(other: RemoteCursorWidget): boolean {
return other.color === this.color && other.name === this.name;
}
public eq(other: RemoteCursorWidget): boolean {
return other.color === this.color && other.name === this.name;
}
}

438
frontend/obsidian-plugin/src/views/cursors/remote-cursors-plugin.ts
View file

@ -3,17 +3,17 @@ import { RangeSet } from "@codemirror/state";
import { ViewPlugin, Decoration } from "@codemirror/view";
import type {
PluginValue,
DecorationSet,
EditorView,
ViewUpdate
PluginValue,
DecorationSet,
EditorView,
ViewUpdate
} from "@codemirror/view";
import { RemoteCursorWidget } from "./remote-cursor-widget";
import type { RelativePath } from "sync-client";
import {
utils,
type CursorSpan,
type MaybeOutdatedClientCursors
utils,
type CursorSpan,
type MaybeOutdatedClientCursors
} from "sync-client";
import type { App } from "obsidian";
import { MarkdownView } from "obsidian";
@ -25,241 +25,241 @@ import { reconcileWithHistory } from "reconcile-text";
const forceUpdate = StateEffect.define();
export class RemoteCursorsPluginValue implements PluginValue {
private static cursors: {
name: string;
path: string;
span: CursorSpan;
deviceId: string;
isOutdated: boolean;
}[] = [];
private static cursors: {
name: string;
path: string;
span: CursorSpan;
deviceId: string;
isOutdated: boolean;
}[] = [];
private static app?: App;
public decorations: DecorationSet = RangeSet.of([]);
private static app?: App;
public decorations: DecorationSet = RangeSet.of([]);
public static setCursors(
clients: MaybeOutdatedClientCursors[],
app: App
): void {
RemoteCursorsPluginValue.app = app;
RemoteCursorsPluginValue.cursors = [
...RemoteCursorsPluginValue.cursors.filter(({ deviceId }) =>
clients.some(
(client) =>
client.deviceId === deviceId && client.isOutdated
)
),
...clients
.filter(
({ isOutdated, deviceId }) =>
!isOutdated ||
RemoteCursorsPluginValue.cursors.every(
(c) => deviceId !== c.deviceId
)
)
.flatMap((client) => {
const clientCursors = client.documentsWithCursors;
return clientCursors.flatMap((cursor) =>
cursor.cursors.map((span) => ({
name: client.userName,
path: cursor.relative_path,
deviceId: client.deviceId,
isOutdated: client.isOutdated,
span: { ...span }
}))
);
})
];
public static setCursors(
clients: MaybeOutdatedClientCursors[],
app: App
): void {
RemoteCursorsPluginValue.app = app;
RemoteCursorsPluginValue.cursors = [
...RemoteCursorsPluginValue.cursors.filter(({ deviceId }) =>
clients.some(
(client) =>
client.deviceId === deviceId && client.isOutdated
)
),
...clients
.filter(
({ isOutdated, deviceId }) =>
!isOutdated ||
RemoteCursorsPluginValue.cursors.every(
(c) => deviceId !== c.deviceId
)
)
.flatMap((client) => {
const clientCursors = client.documentsWithCursors;
return clientCursors.flatMap((cursor) =>
cursor.cursors.map((span) => ({
name: client.userName,
path: cursor.relative_path,
deviceId: client.deviceId,
isOutdated: client.isOutdated,
span: { ...span }
}))
);
})
];
app.workspace
.getLeavesOfType("markdown")
.map((leaf) => leaf.view)
.filter((view) => view instanceof MarkdownView)
.forEach((view) => {
// @ts-expect-error, not typed
// eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion
const editor = view.editor.cm as EditorView;
app.workspace
.getLeavesOfType("markdown")
.map((leaf) => leaf.view)
.filter((view) => view instanceof MarkdownView)
.forEach((view) => {
// @ts-expect-error, not typed
// eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion
const editor = view.editor.cm as EditorView;
editor.dispatch({
effects: [forceUpdate.of(null)]
});
});
}
editor.dispatch({
effects: [forceUpdate.of(null)]
});
});
}
private static findFileForEditor(
editor: EditorView
): RelativePath | undefined {
return RemoteCursorsPluginValue.app?.workspace
.getLeavesOfType("markdown")
.map((leaf) => leaf.view)
.filter((view) => view instanceof MarkdownView)
.flatMap((view) => {
// @ts-expect-error, not typed
// eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion
if ((view.editor.cm as EditorView) !== editor) {
return [];
}
private static findFileForEditor(
editor: EditorView
): RelativePath | undefined {
return RemoteCursorsPluginValue.app?.workspace
.getLeavesOfType("markdown")
.map((leaf) => leaf.view)
.filter((view) => view instanceof MarkdownView)
.flatMap((view) => {
// @ts-expect-error, not typed
// eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion
if ((view.editor.cm as EditorView) !== editor) {
return [];
}
const { file } = view;
if (!file) {
return;
}
const { file } = view;
if (!file) {
return;
}
return [file.path];
})
.first();
}
return [file.path];
})
.first();
}
private static interpolateRemoteCursorPositions(
original: string,
edited: string
): void {
if (
original === edited ||
RemoteCursorsPluginValue.cursors.length === 0
) {
return;
}
private static interpolateRemoteCursorPositions(
original: string,
edited: string
): void {
if (
original === edited ||
RemoteCursorsPluginValue.cursors.length === 0
) {
return;
}
const updatedPositions: number[] = [];
const reconciled = reconcileWithHistory(
original,
{
text: original,
cursors: RemoteCursorsPluginValue.cursors.flatMap(
({ span }, i) => [
{ id: i * 2, position: span.start },
{ id: i * 2 + 1, position: span.end }
]
)
},
edited
);
const updatedPositions: number[] = [];
const reconciled = reconcileWithHistory(
original,
{
text: original,
cursors: RemoteCursorsPluginValue.cursors.flatMap(
({ span }, i) => [
{ id: i * 2, position: span.start },
{ id: i * 2 + 1, position: span.end }
]
)
},
edited
);
reconciled.cursors.forEach(({ id, position }) => {
const whereToJump = RemoteCursorsPluginValue.findWhereToMoveCursor(
position,
reconciled.history
);
if (whereToJump !== null) {
updatedPositions[id] = whereToJump;
} else {
updatedPositions[id] = position;
}
});
reconciled.cursors.forEach(({ id, position }) => {
const whereToJump = RemoteCursorsPluginValue.findWhereToMoveCursor(
position,
reconciled.history
);
if (whereToJump !== null) {
updatedPositions[id] = whereToJump;
} else {
updatedPositions[id] = position;
}
});
RemoteCursorsPluginValue.cursors.forEach(({ span }, i) => {
span.start = updatedPositions[i * 2];
span.end = updatedPositions[i * 2 + 1];
});
}
RemoteCursorsPluginValue.cursors.forEach(({ span }, i) => {
span.start = updatedPositions[i * 2];
span.end = updatedPositions[i * 2 + 1];
});
}
private static findWhereToMoveCursor(
cursor: number,
spans: SpanWithHistory[]
): number | null {
let position = 0;
for (const span of spans) {
// left and origin are the same
if (position === cursor && span.history === "AddedFromRight") {
return position + span.text.length;
}
position += span.text.length;
if (position === cursor && span.history === "RemovedFromRight") {
return position - span.text.length;
}
}
private static findWhereToMoveCursor(
cursor: number,
spans: SpanWithHistory[]
): number | null {
let position = 0;
for (const span of spans) {
// left and origin are the same
if (position === cursor && span.history === "AddedFromRight") {
return position + span.text.length;
}
position += span.text.length;
if (position === cursor && span.history === "RemovedFromRight") {
return position - span.text.length;
}
}
return null;
}
return null;
}
public update(update: ViewUpdate): void {
const original = update.startState.doc.toString();
const edited = update.state.doc.toString();
public update(update: ViewUpdate): void {
const original = update.startState.doc.toString();
const edited = update.state.doc.toString();
RemoteCursorsPluginValue.interpolateRemoteCursorPositions(
original,
edited
);
RemoteCursorsPluginValue.interpolateRemoteCursorPositions(
original,
edited
);
const decorations: Range<Decoration>[] = [];
const relative_path = RemoteCursorsPluginValue.findFileForEditor(
update.view
);
RemoteCursorsPluginValue.cursors
.filter(({ path }) => path == relative_path)
.forEach(({ name, span: { start, end } }) => {
const color = utils.getRandomColor(name);
const startLine = update.view.state.doc.lineAt(start);
const endLine = update.view.state.doc.lineAt(end);
const decorations: Range<Decoration>[] = [];
const relative_path = RemoteCursorsPluginValue.findFileForEditor(
update.view
);
RemoteCursorsPluginValue.cursors
.filter(({ path }) => path == relative_path)
.forEach(({ name, span: { start, end } }) => {
const color = utils.getRandomColor(name);
const startLine = update.view.state.doc.lineAt(start);
const endLine = update.view.state.doc.lineAt(end);
const attributes = {
style: `background-color: ${color};`
};
const attributes = {
style: `background-color: ${color};`
};
if (startLine.number === endLine.number) {
// selected content in a single line.
decorations.push({
from: start,
to: end,
value: Decoration.mark({
attributes
})
});
} else {
// selected content in multiple lines
// first, render text-selection in the first line
decorations.push({
from: start,
to: startLine.from + startLine.length,
value: Decoration.mark({
attributes
})
});
if (startLine.number === endLine.number) {
// selected content in a single line.
decorations.push({
from: start,
to: end,
value: Decoration.mark({
attributes
})
});
} else {
// selected content in multiple lines
// first, render text-selection in the first line
decorations.push({
from: start,
to: startLine.from + startLine.length,
value: Decoration.mark({
attributes
})
});
// render text-selection in the lines between the first and last line
for (
let i = startLine.number + 1;
i < endLine.number;
i++
) {
const currentLine = update.view.state.doc.line(i);
decorations.push({
from: currentLine.from,
to: currentLine.to,
value: Decoration.mark({
attributes
})
});
}
// render text-selection in the lines between the first and last line
for (
let i = startLine.number + 1;
i < endLine.number;
i++
) {
const currentLine = update.view.state.doc.line(i);
decorations.push({
from: currentLine.from,
to: currentLine.to,
value: Decoration.mark({
attributes
})
});
}
// render text-selection in the last line
decorations.push({
from: endLine.from,
to: end,
value: Decoration.mark({
attributes
})
});
}
// render text-selection in the last line
decorations.push({
from: endLine.from,
to: end,
value: Decoration.mark({
attributes
})
});
}
decorations.push({
from: end,
to: end,
value: Decoration.widget({
side: end - start > 0 ? -1 : 1, // the local cursor should be rendered outside the remote selection
block: false,
widget: new RemoteCursorWidget(color, name)
})
});
});
decorations.push({
from: end,
to: end,
value: Decoration.widget({
side: end - start > 0 ? -1 : 1, // the local cursor should be rendered outside the remote selection
block: false,
widget: new RemoteCursorWidget(color, name)
})
});
});
this.decorations = Decoration.set(decorations, true);
}
this.decorations = Decoration.set(decorations, true);
}
}
export const remoteCursorsPlugin = ViewPlugin.fromClass(
RemoteCursorsPluginValue,
{
decorations: (v) => v.decorations
}
RemoteCursorsPluginValue,
{
decorations: (v) => v.decorations
}
);

70
frontend/obsidian-plugin/src/views/editor-status-display-manager/editor-status-display-manager.scss
View file

@ -1,43 +1,43 @@
.vault-link-sync-status {
position: absolute;
right: var(--size-4-4);
top: var(--size-4-2);
opacity: 0.7;
cursor: pointer;
position: absolute;
right: var(--size-4-4);
top: var(--size-4-2);
opacity: 0.7;
cursor: pointer;
> span {
opacity: 0;
position: absolute;
min-width: 200px;
text-align: right;
padding-right: var(--size-2-2);
> span {
opacity: 0;
position: absolute;
min-width: 200px;
text-align: right;
padding-right: var(--size-2-2);
top: 50%;
left: 0;
transform: translateY(-50%) translateX(-100%) translateY(-2px);
transition: opacity 200ms;
}
top: 50%;
left: 0;
transform: translateY(-50%) translateX(-100%) translateY(-2px);
transition: opacity 200ms;
}
&:hover {
> span {
opacity: 1;
}
}
&:hover {
> span {
opacity: 1;
}
}
> .icon {
line-height: 0;
}
> .icon {
line-height: 0;
}
&.loading > .icon {
animation: spin 2s linear infinite;
&.loading > .icon {
animation: spin 2s linear infinite;
@keyframes spin {
0% {
transform: rotate(0deg);
}
100% {
transform: rotate(360deg);
}
}
}
@keyframes spin {
0% {
transform: rotate(0deg);
}
100% {
transform: rotate(360deg);
}
}
}
}

152
frontend/obsidian-plugin/src/views/editor-status-display-manager/editor-status-display-manager.ts
View file

@ -7,91 +7,91 @@ import type VaultLinkPlugin from "src/vault-link-plugin";
import { HistoryView } from "../history/history-view";
export class EditorStatusDisplayManager {
private static readonly UPDATE_INTERVAL_IN_MS = 100;
private static readonly UPDATE_INTERVAL_IN_MS = 100;
private readonly intervalId: NodeJS.Timeout;
private readonly lastStatuses = new Map<string, DocumentSyncStatus>();
private readonly intervalId: NodeJS.Timeout;
private readonly lastStatuses = new Map<string, DocumentSyncStatus>();
public constructor(
private readonly plugin: VaultLinkPlugin,
private readonly workspace: Workspace,
private readonly client: SyncClient
) {
this.intervalId = setInterval(() => {
this.updateEditorStatusDisplay();
}, EditorStatusDisplayManager.UPDATE_INTERVAL_IN_MS);
}
public constructor(
private readonly plugin: VaultLinkPlugin,
private readonly workspace: Workspace,
private readonly client: SyncClient
) {
this.intervalId = setInterval(() => {
this.updateEditorStatusDisplay();
}, EditorStatusDisplayManager.UPDATE_INTERVAL_IN_MS);
}
public dispose(): void {
clearInterval(this.intervalId);
}
public dispose(): void {
clearInterval(this.intervalId);
}
private updateEditorStatusDisplay(): void {
this.workspace.iterateAllLeaves((leaf) => {
if (leaf.view instanceof FileView) {
const filePath = leaf.view.file?.path;
if (filePath == null) {
return;
}
private updateEditorStatusDisplay(): void {
this.workspace.iterateAllLeaves((leaf) => {
if (leaf.view instanceof FileView) {
const filePath = leaf.view.file?.path;
if (filePath == null) {
return;
}
const element = this.getElementFromLeaf(leaf.view);
if (element == null) {
return;
}
const element = this.getElementFromLeaf(leaf.view);
if (element == null) {
return;
}
const previousStatus = this.lastStatuses.get(filePath);
const currentStatus =
this.client.getDocumentSyncingStatus(filePath);
if (previousStatus === currentStatus) {
return;
}
this.lastStatuses.set(filePath, currentStatus);
const previousStatus = this.lastStatuses.get(filePath);
const currentStatus =
this.client.getDocumentSyncingStatus(filePath);
if (previousStatus === currentStatus) {
return;
}
this.lastStatuses.set(filePath, currentStatus);
if (currentStatus == DocumentSyncStatus.SYNCING_IS_DISABLED) {
element.remove();
return;
}
if (currentStatus == DocumentSyncStatus.SYNCING_IS_DISABLED) {
element.remove();
return;
}
if (currentStatus == DocumentSyncStatus.SYNCING) {
element.classList.add("loading");
} else {
element.classList.remove("loading");
}
if (currentStatus == DocumentSyncStatus.SYNCING) {
element.classList.add("loading");
} else {
element.classList.remove("loading");
}
const iconContainer = element.querySelector(".icon");
if (iconContainer != null) {
setIcon(
iconContainer as HTMLElement, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
currentStatus == DocumentSyncStatus.SYNCING
? "loader"
: "circle-check"
);
}
}
});
}
const iconContainer = element.querySelector(".icon");
if (iconContainer != null) {
setIcon(
iconContainer as HTMLElement, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
currentStatus == DocumentSyncStatus.SYNCING
? "loader"
: "circle-check"
);
}
}
});
}
private getElementFromLeaf(fileView: FileView): Element | undefined {
const parent = fileView.contentEl.querySelector(".cm-editor");
if (parent == null) {
return;
}
private getElementFromLeaf(fileView: FileView): Element | undefined {
const parent = fileView.contentEl.querySelector(".cm-editor");
if (parent == null) {
return;
}
return (
parent.querySelector(".vault-link-sync-status") ??
parent.createDiv(
{
cls: "vault-link-sync-status"
},
(el) => {
el.createSpan({ text: "VaultLink sync state" });
el.createDiv({
cls: "icon"
});
el.onclick = async (): Promise<void> =>
this.plugin.activateView(HistoryView.TYPE);
}
)
);
}
return (
parent.querySelector(".vault-link-sync-status") ??
parent.createDiv(
{
cls: "vault-link-sync-status"
},
(el) => {
el.createSpan({ text: "VaultLink sync state" });
el.createDiv({
cls: "icon"
});
el.onclick = async (): Promise<void> =>
this.plugin.activateView(HistoryView.TYPE);
}
)
);
}
}

98
frontend/obsidian-plugin/src/views/history/history-view.scss
View file

@ -1,61 +1,61 @@
.history-card {
padding: var(--size-4-4);
margin: var(--size-4-2);
background-color: var(--color-base-00);
border-radius: var(--radius-l);
container-type: inline-size;
word-break: break-word;
padding: var(--size-4-4);
margin: var(--size-4-2);
background-color: var(--color-base-00);
border-radius: var(--radius-l);
container-type: inline-size;
word-break: break-word;
&.clickable {
cursor: pointer;
}
&.clickable {
cursor: pointer;
}
&.success {
background-color: rgba(var(--color-green-rgb), 0.2);
}
&.success {
background-color: rgba(var(--color-green-rgb), 0.2);
}
&.error {
background-color: rgba(var(--color-red-rgb), 0.2);
}
&.error {
background-color: rgba(var(--color-red-rgb), 0.2);
}
&.skipped {
background-color: rgba(var(--color-green-rgb), 0.08);
}
&.skipped {
background-color: rgba(var(--color-green-rgb), 0.08);
}
.history-card-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: var(--size-4-2);
gap: var(--size-4-2);
.history-card-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: var(--size-4-2);
gap: var(--size-4-2);
@container (max-width: 300px) {
flex-direction: column;
align-items: flex-start;
}
@container (max-width: 300px) {
flex-direction: column;
align-items: flex-start;
}
.history-card-title {
font: var(--font-monospace);
display: flex;
align-items: center;
gap: var(--size-4-2);
margin: 0;
.history-card-title {
font: var(--font-monospace);
display: flex;
align-items: center;
gap: var(--size-4-2);
margin: 0;
> span {
margin-bottom: var(--size-4-1);
}
}
> span {
margin-bottom: var(--size-4-1);
}
}
.history-card-timestamp {
font-size: var(--font-ui-small);
font-style: italic;
color: var(--italic-color);
}
}
.history-card-timestamp {
font-size: var(--font-ui-small);
font-style: italic;
color: var(--italic-color);
}
}
.history-card-message {
font-size: var(--font-ui-medium);
color: var(--color-base-70);
margin: 0;
}
.history-card-message {
font-size: var(--font-ui-medium);
color: var(--color-base-70);
margin: 0;
}
}

400
frontend/obsidian-plugin/src/views/history/history-view.ts
View file

@ -7,234 +7,234 @@ import type { HistoryEntry, SyncClient } from "sync-client";
import { SyncType } from "sync-client";
export class HistoryView extends ItemView {
public static readonly TYPE = "history-view";
public static readonly ICON = "square-stack";
private timer: NodeJS.Timeout | null = null;
public static readonly TYPE = "history-view";
public static readonly ICON = "square-stack";
private timer: NodeJS.Timeout | null = null;
private historyContainer: HTMLElement | undefined;
private readonly historyEntryToElement = new Map<
HistoryEntry,
HTMLElement
>();
private historyContainer: HTMLElement | undefined;
private readonly historyEntryToElement = new Map<
HistoryEntry,
HTMLElement
>();
public constructor(
private readonly client: SyncClient,
leaf: WorkspaceLeaf
) {
super(leaf);
this.icon = HistoryView.ICON;
public constructor(
private readonly client: SyncClient,
leaf: WorkspaceLeaf
) {
super(leaf);
this.icon = HistoryView.ICON;
this.client.addSyncHistoryUpdateListener(async () =>
this.updateView().catch((error: unknown) => {
this.client.logger.error(
`Failed to update history view: ${error}`
);
})
);
}
this.client.addSyncHistoryUpdateListener(async () =>
this.updateView().catch((error: unknown) => {
this.client.logger.error(
`Failed to update history view: ${error}`
);
})
);
}
private static getSyncTypeIcon(type: SyncType | undefined): IconName {
switch (type) {
case SyncType.CREATE:
return "file-plus";
case SyncType.DELETE:
return "trash-2";
case SyncType.UPDATE:
return "file-pen-line";
case SyncType.MOVE:
return "move-right";
case SyncType.SKIPPED:
return "circle-slash";
case undefined:
default:
return "";
}
}
private static getSyncTypeIcon(type: SyncType | undefined): IconName {
switch (type) {
case SyncType.CREATE:
return "file-plus";
case SyncType.DELETE:
return "trash-2";
case SyncType.UPDATE:
return "file-pen-line";
case SyncType.MOVE:
return "move-right";
case SyncType.SKIPPED:
return "circle-slash";
case undefined:
default:
return "";
}
}
private static renderSyncItemTitle(
element: HTMLElement,
entry: HistoryEntry
): void {
const syncTypeIcon = HistoryView.getSyncTypeIcon(entry.details.type);
if (syncTypeIcon) {
setIcon(element.createDiv(), syncTypeIcon);
}
private static renderSyncItemTitle(
element: HTMLElement,
entry: HistoryEntry
): void {
const syncTypeIcon = HistoryView.getSyncTypeIcon(entry.details.type);
if (syncTypeIcon) {
setIcon(element.createDiv(), syncTypeIcon);
}
let fileName = entry.details.relativePath.split("/").pop() ?? "";
fileName = fileName.replace(/\.md$/, "");
let fileName = entry.details.relativePath.split("/").pop() ?? "";
fileName = fileName.replace(/\.md$/, "");
element.createEl("span", {
text:
entry.details.type === SyncType.SKIPPED
? `Skipped: ${fileName}`
: fileName
});
}
element.createEl("span", {
text:
entry.details.type === SyncType.SKIPPED
? `Skipped: ${fileName}`
: fileName
});
}
private static updateTimeSince(
element: HTMLElement,
entry: HistoryEntry
): void {
const timestampElement = element.querySelector(
".history-card-timestamp"
);
private static updateTimeSince(
element: HTMLElement,
entry: HistoryEntry
): void {
const timestampElement = element.querySelector(
".history-card-timestamp"
);
if (timestampElement != null) {
timestampElement.textContent =
HistoryView.getTimestampAndAuthor(entry);
}
}
if (timestampElement != null) {
timestampElement.textContent =
HistoryView.getTimestampAndAuthor(entry);
}
}
private static getTimestampAndAuthor(entry: HistoryEntry): string {
let content = intlFormatDistance(entry.timestamp, new Date());
if ("author" in entry && entry.author !== undefined) {
content += ` by ${entry.author}`;
}
return content;
}
private static getTimestampAndAuthor(entry: HistoryEntry): string {
let content = intlFormatDistance(entry.timestamp, new Date());
if ("author" in entry && entry.author !== undefined) {
content += ` by ${entry.author}`;
}
return content;
}
public getViewType(): string {
return HistoryView.TYPE;
}
public getViewType(): string {
return HistoryView.TYPE;
}
public getDisplayText(): string {
return "VaultLink history";
}
public getDisplayText(): string {
return "VaultLink history";
}
public async onOpen(): Promise<void> {
const container = this.containerEl.children[1];
container.createEl("h4", { text: "VaultLink history" });
public async onOpen(): Promise<void> {
const container = this.containerEl.children[1];
container.createEl("h4", { text: "VaultLink history" });
this.historyContainer = container.createDiv({ cls: "logs-container" });
this.historyContainer = container.createDiv({ cls: "logs-container" });
await this.updateView();
this.clearTimer();
this.timer = setInterval(
() =>
void this.updateView().catch((error: unknown) => {
this.client.logger.error(
`Failed to update history view: ${error}`
);
}),
1000
);
}
await this.updateView();
this.clearTimer();
this.timer = setInterval(
() =>
void this.updateView().catch((error: unknown) => {
this.client.logger.error(
`Failed to update history view: ${error}`
);
}),
1000
);
}
public async onClose(): Promise<void> {
this.clearTimer();
}
public async onClose(): Promise<void> {
this.clearTimer();
}
private clearTimer(): void {
if (this.timer) {
clearInterval(this.timer);
this.timer = null;
}
}
private clearTimer(): void {
if (this.timer) {
clearInterval(this.timer);
this.timer = null;
}
}
private async updateView(): Promise<void> {
const container = this.historyContainer;
if (container === undefined) {
return;
}
private async updateView(): Promise<void> {
const container = this.historyContainer;
if (container === undefined) {
return;
}
// entries are newest first, but we prepend new ones
const entries = this.client.getHistoryEntries().toReversed();
// entries are newest first, but we prepend new ones
const entries = this.client.getHistoryEntries().toReversed();
if (this.historyEntryToElement.size === 0 && entries.length > 0) {
// Clear the "No update has happened yet" message
container.empty();
}
if (this.historyEntryToElement.size === 0 && entries.length > 0) {
// Clear the "No update has happened yet" message
container.empty();
}
entries.forEach((entry) => {
const element = this.historyEntryToElement.get(entry);
if (element !== undefined) {
HistoryView.updateTimeSince(element, entry);
return;
}
entries.forEach((entry) => {
const element = this.historyEntryToElement.get(entry);
if (element !== undefined) {
HistoryView.updateTimeSince(element, entry);
return;
}
const newElement = this.createHistoryCard(container, entry);
container.prepend(newElement);
this.historyEntryToElement.set(entry, newElement);
});
const newElement = this.createHistoryCard(container, entry);
container.prepend(newElement);
this.historyEntryToElement.set(entry, newElement);
});
const newEntries = new Set(entries);
for (const [entry, element] of this.historyEntryToElement) {
if (!newEntries.has(entry)) {
element.remove();
this.historyEntryToElement.delete(entry);
}
}
const newEntries = new Set(entries);
for (const [entry, element] of this.historyEntryToElement) {
if (!newEntries.has(entry)) {
element.remove();
this.historyEntryToElement.delete(entry);
}
}
if (entries.length === 0) {
container.empty();
container.createEl("p", {
text: "No update has happened yet."
});
}
}
if (entries.length === 0) {
container.empty();
container.createEl("p", {
text: "No update has happened yet."
});
}
}
private createHistoryCard(
container: HTMLElement,
entry: HistoryEntry
): HTMLElement {
return container.createDiv(
{
cls: ["history-card", entry.status.toLocaleLowerCase()]
},
(card) => {
if (
this.app.vault.getFileByPath(entry.details.relativePath) !=
null
) {
card.addEventListener("click", () => {
this.app.workspace
.openLinkText(
entry.details.relativePath,
entry.details.relativePath,
false
)
.catch((error: unknown) => {
this.client.logger.error(
`Failed to open link for ${entry.details.relativePath}: ${error}`
);
});
});
private createHistoryCard(
container: HTMLElement,
entry: HistoryEntry
): HTMLElement {
return container.createDiv(
{
cls: ["history-card", entry.status.toLocaleLowerCase()]
},
(card) => {
if (
this.app.vault.getFileByPath(entry.details.relativePath) !=
null
) {
card.addEventListener("click", () => {
this.app.workspace
.openLinkText(
entry.details.relativePath,
entry.details.relativePath,
false
)
.catch((error: unknown) => {
this.client.logger.error(
`Failed to open link for ${entry.details.relativePath}: ${error}`
);
});
});
card.addClass("clickable");
}
card.addClass("clickable");
}
card.createDiv(
{
cls: "history-card-header"
},
(header) => {
header.createEl(
"h5",
{
cls: "history-card-title"
},
(title) => {
HistoryView.renderSyncItemTitle(title, entry);
}
);
card.createDiv(
{
cls: "history-card-header"
},
(header) => {
header.createEl(
"h5",
{
cls: "history-card-title"
},
(title) => {
HistoryView.renderSyncItemTitle(title, entry);
}
);
header.createSpan({
text: HistoryView.getTimestampAndAuthor(entry),
cls: "history-card-timestamp"
});
}
);
header.createSpan({
text: HistoryView.getTimestampAndAuthor(entry),
cls: "history-card-timestamp"
});
}
);
const body =
entry.details.type === SyncType.MOVE
? `${entry.message}. Moved from '${entry.details.movedFrom}' to '${entry.details.relativePath}'`
: `${entry.message}.`;
const body =
entry.details.type === SyncType.MOVE
? `${entry.message}. Moved from '${entry.details.movedFrom}' to '${entry.details.relativePath}'`
: `${entry.message}.`;
card.createEl("p", {
text: body,
cls: "history-card-message"
});
}
);
}
card.createEl("p", {
text: body,
cls: "history-card-message"
});
}
);
}
}

120
frontend/obsidian-plugin/src/views/logs/logs-view.scss
View file

@ -1,74 +1,74 @@
.logs-view {
display: flex;
flex-direction: column;
display: flex;
flex-direction: column;
.verbosity-selector {
display: flex;
align-items: center;
justify-content: space-between;
font-weight: normal;
gap: var(--size-4-2);
margin: var(--size-4-4) var(--size-4-2);
.verbosity-selector {
display: flex;
align-items: center;
justify-content: space-between;
font-weight: normal;
gap: var(--size-4-2);
margin: var(--size-4-4) var(--size-4-2);
h4 {
margin: 0;
}
h4 {
margin: 0;
}
.logs-controls {
display: flex;
align-items: center;
gap: var(--size-4-2);
.logs-controls {
display: flex;
align-items: center;
gap: var(--size-4-2);
button {
display: flex;
align-items: center;
gap: var(--size-2-1);
padding: var(--size-2-2) var(--size-4-2);
cursor: pointer;
}
button {
display: flex;
align-items: center;
gap: var(--size-2-1);
padding: var(--size-2-2) var(--size-4-2);
cursor: pointer;
}
select {
cursor: pointer;
}
}
}
select {
cursor: pointer;
}
}
}
.logs-container {
max-width: 100%;
overflow-y: auto;
.logs-container {
max-width: 100%;
overflow-y: auto;
.log-message {
font: var(--font-monospace);
margin-bottom: var(--size-2-1);
overflow-wrap: break-word;
white-space: pre-wrap;
user-select: all;
.log-message {
font: var(--font-monospace);
margin-bottom: var(--size-2-1);
overflow-wrap: break-word;
white-space: pre-wrap;
user-select: all;
.timestamp {
padding: var(--size-2-1) var(--size-4-1);
border-radius: var(--radius-s);
background-color: var(--color-base-30);
font-size: var(--font-ui-small);
font-family: var(--font-monospace);
font-weight: var(--bold-weight);
margin-right: var(--size-4-1);
}
.timestamp {
padding: var(--size-2-1) var(--size-4-1);
border-radius: var(--radius-s);
background-color: var(--color-base-30);
font-size: var(--font-ui-small);
font-family: var(--font-monospace);
font-weight: var(--bold-weight);
margin-right: var(--size-4-1);
}
&.DEBUG {
color: var(--color-base-50);
}
&.DEBUG {
color: var(--color-base-50);
}
&.INFO {
color: var(--color-base-100);
}
&.INFO {
color: var(--color-base-100);
}
&.WARNING {
color: rgb(var(--color-yellow-rgb));
}
&.WARNING {
color: rgb(var(--color-yellow-rgb));
}
&.ERROR {
color: rgb(var(--color-red-rgb));
}
}
}
&.ERROR {
color: rgb(var(--color-red-rgb));
}
}
}
}

308
frontend/obsidian-plugin/src/views/logs/logs-view.ts
View file

@ -6,189 +6,189 @@ import type { LogLine } from "sync-client";
import { LogLevel, type SyncClient } from "sync-client";
export class LogsView extends ItemView {
public static readonly TYPE = "logs-view";
public static readonly ICON = "logs";
public static readonly TYPE = "logs-view";
public static readonly ICON = "logs";
private static readonly MAX_OFFSET_FROM_BOTTOM_WITH_AUTO_SCROLL_PX = 300;
private static readonly MAX_OFFSET_FROM_BOTTOM_WITH_AUTO_SCROLL_PX = 300;
private logsContainer: HTMLElement | undefined;
private readonly logLineToElement = new Map<LogLine, HTMLElement>();
private minLogLevel: LogLevel = LogLevel.INFO;
private logsContainer: HTMLElement | undefined;
private readonly logLineToElement = new Map<LogLine, HTMLElement>();
private minLogLevel: LogLevel = LogLevel.INFO;
public constructor(
private readonly client: SyncClient,
leaf: WorkspaceLeaf
) {
super(leaf);
this.icon = LogsView.ICON;
this.client.logger.addOnMessageListener(() => {
this.updateView();
});
}
public constructor(
private readonly client: SyncClient,
leaf: WorkspaceLeaf
) {
super(leaf);
this.icon = LogsView.ICON;
this.client.logger.addOnMessageListener(() => {
this.updateView();
});
}
private static createLogLineElement(
container: HTMLElement,
logLine: LogLine
): HTMLElement {
return container.createDiv(
{
cls: ["log-message", logLine.level]
},
(messageContainer) => {
messageContainer.createEl("span", {
text: LogsView.formatTimestamp(logLine.timestamp),
cls: "timestamp"
});
messageContainer.createEl("span", {
text: logLine.message
});
}
);
}
private static createLogLineElement(
container: HTMLElement,
logLine: LogLine
): HTMLElement {
return container.createDiv(
{
cls: ["log-message", logLine.level]
},
(messageContainer) => {
messageContainer.createEl("span", {
text: LogsView.formatTimestamp(logLine.timestamp),
cls: "timestamp"
});
messageContainer.createEl("span", {
text: logLine.message
});
}
);
}
private static formatTimestamp(timestamp: Date): string {
return timestamp.toTimeString().split(" ")[0];
}
private static formatTimestamp(timestamp: Date): string {
return timestamp.toTimeString().split(" ")[0];
}
public getViewType(): string {
return LogsView.TYPE;
}
public getViewType(): string {
return LogsView.TYPE;
}
public getDisplayText(): string {
return "VaultLink logs";
}
public getDisplayText(): string {
return "VaultLink logs";
}
public async onOpen(): Promise<void> {
const container = this.containerEl.children[1];
container.addClass("logs-view");
public async onOpen(): Promise<void> {
const container = this.containerEl.children[1];
container.addClass("logs-view");
const logLevels = [
{ label: "Debug", value: LogLevel.DEBUG },
{ label: "Info", value: LogLevel.INFO },
{ label: "Warn", value: LogLevel.WARNING },
{ label: "Error", value: LogLevel.ERROR }
];
const logLevels = [
{ label: "Debug", value: LogLevel.DEBUG },
{ label: "Info", value: LogLevel.INFO },
{ label: "Warn", value: LogLevel.WARNING },
{ label: "Error", value: LogLevel.ERROR }
];
container.createDiv(
{
cls: "verbosity-selector"
},
(verbositySection) => {
verbositySection.createEl("h4", {
text: "VaultLink logs"
});
container.createDiv(
{
cls: "verbosity-selector"
},
(verbositySection) => {
verbositySection.createEl("h4", {
text: "VaultLink logs"
});
const controls = verbositySection.createDiv({
cls: "logs-controls"
});
const controls = verbositySection.createDiv({
cls: "logs-controls"
});
const copyButton = controls.createEl("button", {
text: "Copy logs",
cls: "clickable-icon"
});
setIcon(copyButton, "clipboard-copy");
copyButton.addEventListener("click", () => {
this.copyLogsToClipboard();
});
const copyButton = controls.createEl("button", {
text: "Copy logs",
cls: "clickable-icon"
});
setIcon(copyButton, "clipboard-copy");
copyButton.addEventListener("click", () => {
this.copyLogsToClipboard();
});
controls.createEl("select", {}, (dropdown) => {
logLevels.forEach(({ label, value }) =>
dropdown.createEl("option", { text: label, value })
);
controls.createEl("select", {}, (dropdown) => {
logLevels.forEach(({ label, value }) =>
dropdown.createEl("option", { text: label, value })
);
dropdown.value = this.minLogLevel;
dropdown.value = this.minLogLevel;
dropdown.addEventListener("change", () => {
// eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion
this.minLogLevel = dropdown.value as LogLevel;
dropdown.addEventListener("change", () => {
// eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion
this.minLogLevel = dropdown.value as LogLevel;
this.logsContainer?.empty();
this.logLineToElement.clear();
this.updateView();
});
});
}
);
this.logsContainer?.empty();
this.logLineToElement.clear();
this.updateView();
});
});
}
);
this.logsContainer = container.createDiv({ cls: "logs-container" });
this.logsContainer = container.createDiv({ cls: "logs-container" });
this.updateView();
}
this.updateView();
}
private copyLogsToClipboard(): void {
const logs = this.client.logger.getMessages(this.minLogLevel);
private copyLogsToClipboard(): void {
const logs = this.client.logger.getMessages(this.minLogLevel);
if (logs.length === 0) {
new Notice("No logs to copy");
return;
}
if (logs.length === 0) {
new Notice("No logs to copy");
return;
}
const formattedLogs = logs
.map((logLine) => {
const timestamp = logLine.timestamp.toLocaleString();
const level = logLine.level.toUpperCase();
return `[${timestamp}] ${level}: ${logLine.message}`;
})
.join("\n");
const formattedLogs = logs
.map((logLine) => {
const timestamp = logLine.timestamp.toLocaleString();
const level = logLine.level.toUpperCase();
return `[${timestamp}] ${level}: ${logLine.message}`;
})
.join("\n");
navigator.clipboard
.writeText(formattedLogs)
.then(() => {
new Notice(`Copied ${logs.length} log entries to clipboard`);
})
.catch((error: unknown) => {
this.client.logger.error(
`Failed to copy logs to clipboard: ${error}`
);
new Notice("Failed to copy logs to clipboard");
});
}
navigator.clipboard
.writeText(formattedLogs)
.then(() => {
new Notice(`Copied ${logs.length} log entries to clipboard`);
})
.catch((error: unknown) => {
this.client.logger.error(
`Failed to copy logs to clipboard: ${error}`
);
new Notice("Failed to copy logs to clipboard");
});
}
private updateView(): void {
const container = this.logsContainer;
if (container === undefined) {
return;
}
private updateView(): void {
const container = this.logsContainer;
if (container === undefined) {
return;
}
const logs = this.client.logger.getMessages(this.minLogLevel);
const logs = this.client.logger.getMessages(this.minLogLevel);
if (this.logLineToElement.size === 0 && logs.length > 0) {
// Clear the "No logs available yet" message
container.empty();
}
if (this.logLineToElement.size === 0 && logs.length > 0) {
// Clear the "No logs available yet" message
container.empty();
}
const shouldScroll =
container.scrollTop == 0 ||
container.scrollHeight -
container.clientHeight -
container.scrollTop <
LogsView.MAX_OFFSET_FROM_BOTTOM_WITH_AUTO_SCROLL_PX;
const shouldScroll =
container.scrollTop == 0 ||
container.scrollHeight -
container.clientHeight -
container.scrollTop <
LogsView.MAX_OFFSET_FROM_BOTTOM_WITH_AUTO_SCROLL_PX;
logs.forEach((message) => {
if (this.logLineToElement.has(message)) {
return;
}
logs.forEach((message) => {
if (this.logLineToElement.has(message)) {
return;
}
const element = LogsView.createLogLineElement(container, message);
const element = LogsView.createLogLineElement(container, message);
this.logLineToElement.set(message, element);
});
this.logLineToElement.set(message, element);
});
const newLines = new Set(logs);
for (const [logLine, element] of this.logLineToElement) {
if (!newLines.has(logLine)) {
element.remove();
this.logLineToElement.delete(logLine);
}
}
const newLines = new Set(logs);
for (const [logLine, element] of this.logLineToElement) {
if (!newLines.has(logLine)) {
element.remove();
this.logLineToElement.delete(logLine);
}
}
if (logs.length === 0) {
container.empty();
container.createEl("p", {
text: "No logs available yet."
});
} else if (shouldScroll) {
container.scrollTop = container.scrollHeight;
}
}
if (logs.length === 0) {
container.empty();
container.createEl("p", {
text: "No logs available yet."
});
} else if (shouldScroll) {
container.scrollTop = container.scrollHeight;
}
}
}

222
frontend/obsidian-plugin/src/views/settings/settings-tab.scss
View file

@ -1,134 +1,134 @@
@mixin number-card {
padding: var(--size-2-1) var(--size-4-1);
border-radius: var(--radius-s);
background-color: var(--color-base-30);
font-size: var(--font-ui-small);
padding: var(--size-2-1) var(--size-4-1);
border-radius: var(--radius-s);
background-color: var(--color-base-30);
font-size: var(--font-ui-small);
&.good {
background-color: rgba(var(--color-green-rgb), 0.35);
}
&.good {
background-color: rgba(var(--color-green-rgb), 0.35);
}
&.bad {
background-color: rgba(var(--color-red-rgb), 0.35);
}
&.bad {
background-color: rgba(var(--color-red-rgb), 0.35);
}
}
.vault-link-settings-container {
position: relative;
position: relative;
.vault-link-settings {
h2 {
display: flex;
align-items: center;
font-size: var(--h2-size);
.vault-link-settings {
h2 {
display: flex;
align-items: center;
font-size: var(--h2-size);
.version {
@include number-card;
margin: var(--size-2-2) 0 0 var(--size-4-2);
background-color: var(--color-base-30);
color: var(--color-base-70);
font-size: var(--font-ui-smaller);
}
}
.version {
@include number-card;
margin: var(--size-2-2) 0 0 var(--size-4-2);
background-color: var(--color-base-30);
color: var(--color-base-70);
font-size: var(--font-ui-smaller);
}
}
.button-container {
display: flex;
gap: var(--size-4-2);
}
.button-container {
display: flex;
gap: var(--size-4-2);
}
h3 {
font-size: var(--font-ui-large);
margin-top: var(--heading-spacing);
}
h3 {
font-size: var(--font-ui-large);
margin-top: var(--heading-spacing);
}
button,
input[type="range"],
.checkbox-container,
.slider::-webkit-slider-thumb {
cursor: pointer;
}
button,
input[type="range"],
.checkbox-container,
.slider::-webkit-slider-thumb {
cursor: pointer;
}
input[type="text"],
textarea {
width: 250px;
}
input[type="text"],
textarea {
width: 250px;
}
textarea {
resize: none;
height: 75px;
}
textarea {
resize: none;
height: 75px;
}
.applying-changes-overlay {
position: absolute;
top: 50%;
left: 50%;
transform: translateY(-50%) translateX(-50%);
z-index: 10;
backdrop-filter: blur(10px);
.applying-changes-overlay {
position: absolute;
top: 50%;
left: 50%;
transform: translateY(-50%) translateX(-50%);
z-index: 10;
backdrop-filter: blur(10px);
.spinner-container {
background-color: rgba(var(--background-primary), 0.5);
border: 1px solid var(--background-modifier-border);
border-radius: var(--radius-m);
padding: var(--size-4-8);
display: flex;
flex-direction: column;
align-items: center;
gap: var(--size-4-3);
box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
min-width: 200px;
}
.spinner-container {
background-color: rgba(var(--background-primary), 0.5);
border: 1px solid var(--background-modifier-border);
border-radius: var(--radius-m);
padding: var(--size-4-8);
display: flex;
flex-direction: column;
align-items: center;
gap: var(--size-4-3);
box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
min-width: 200px;
}
.spinner {
width: 48px;
height: 48px;
border: 4px solid var(--background-modifier-border);
border-top-color: var(--interactive-accent);
border-radius: 50%;
animation: spin 0.8s linear infinite;
}
.spinner {
width: 48px;
height: 48px;
border: 4px solid var(--background-modifier-border);
border-top-color: var(--interactive-accent);
border-radius: 50%;
animation: spin 0.8s linear infinite;
}
.spinner-text {
color: var(--text-normal);
font-size: var(--font-ui-medium);
font-weight: 500;
}
.spinner-text {
color: var(--text-normal);
font-size: var(--font-ui-medium);
font-weight: 500;
}
.spinner-warning {
color: var(--text-muted);
font-size: var(--font-ui-small);
text-align: center;
margin-top: var(--size-2-2);
}
}
.spinner-warning {
color: var(--text-muted);
font-size: var(--font-ui-small);
text-align: center;
margin-top: var(--size-2-2);
}
}
@keyframes spin {
from {
transform: rotate(0deg);
}
@keyframes spin {
from {
transform: rotate(0deg);
}
to {
transform: rotate(360deg);
}
}
to {
transform: rotate(360deg);
}
}
&.applying-changes {
.setting-item-control {
pointer-events: none;
opacity: 0.5;
}
&.applying-changes {
.setting-item-control {
pointer-events: none;
opacity: 0.5;
}
button:not(.applying-changes-overlay button) {
pointer-events: none;
opacity: 0.5;
}
button:not(.applying-changes-overlay button) {
pointer-events: none;
opacity: 0.5;
}
input,
textarea,
select {
pointer-events: none;
opacity: 0.5;
}
}
}
}
input,
textarea,
select {
pointer-events: none;
opacity: 0.5;
}
}
}
}

1002
frontend/obsidian-plugin/src/views/settings/settings-tab.ts
View file

File diff suppressed because it is too large Load diff

20
frontend/obsidian-plugin/src/views/status-bar/status-bar.scss
View file

@ -1,14 +1,14 @@
.sync-status {
display: flex;
gap: var(--size-4-2);
display: flex;
gap: var(--size-4-2);
* {
display: block;
}
* {
display: block;
}
.initialize-button {
padding: 0 var(--size-4-2);
background: rgba(var(--color-red-rgb), 0.4);
cursor: pointer;
}
.initialize-button {
padding: 0 var(--size-4-2);
background: rgba(var(--color-red-rgb), 0.4);
cursor: pointer;
}
}

112
frontend/obsidian-plugin/src/views/status-bar/status-bar.ts
View file

@ -4,72 +4,72 @@ import type { HistoryStats, SyncClient } from "sync-client";
import type VaultLinkPlugin from "../../vault-link-plugin";
export class StatusBar {
private readonly statusBarItem: HTMLElement;
private readonly statusBarItem: HTMLElement;
private lastHistoryStats: HistoryStats | undefined;
private lastRemaining: number | undefined;
private lastHistoryStats: HistoryStats | undefined;
private lastRemaining: number | undefined;
public constructor(
private readonly plugin: VaultLinkPlugin,
private readonly syncClient: SyncClient
) {
this.statusBarItem = plugin.addStatusBarItem();
this.syncClient.addSyncHistoryUpdateListener((status) => {
this.lastHistoryStats = status;
this.updateStatus();
});
public constructor(
private readonly plugin: VaultLinkPlugin,
private readonly syncClient: SyncClient
) {
this.statusBarItem = plugin.addStatusBarItem();
this.syncClient.addSyncHistoryUpdateListener((status) => {
this.lastHistoryStats = status;
this.updateStatus();
});
this.syncClient.addRemainingSyncOperationsListener(
(remainingOperations) => {
this.lastRemaining = remainingOperations;
this.updateStatus();
}
);
this.syncClient.addRemainingSyncOperationsListener(
(remainingOperations) => {
this.lastRemaining = remainingOperations;
this.updateStatus();
}
);
this.syncClient.addOnSettingsChangeListener(() => {
this.updateStatus();
});
}
this.syncClient.addOnSettingsChangeListener(() => {
this.updateStatus();
});
}
private updateStatus(): void {
this.statusBarItem.empty();
const container = this.statusBarItem.createDiv({
cls: ["sync-status"]
});
private updateStatus(): void {
this.statusBarItem.empty();
const container = this.statusBarItem.createDiv({
cls: ["sync-status"]
});
if (!this.syncClient.getSettings().isSyncEnabled) {
const button = container.createEl("button", {
text: "VaultLink is disabled, click to configure",
cls: "initialize-button"
});
button.onclick = this.plugin.openSettings.bind(this.plugin);
if (!this.syncClient.getSettings().isSyncEnabled) {
const button = container.createEl("button", {
text: "VaultLink is disabled, click to configure",
cls: "initialize-button"
});
button.onclick = this.plugin.openSettings.bind(this.plugin);
return;
}
return;
}
let hasShownMessage = false;
let hasShownMessage = false;
if ((this.lastRemaining ?? 0) > 0) {
hasShownMessage = true;
container.createSpan({ text: `${this.lastRemaining} ⏳` });
}
if ((this.lastRemaining ?? 0) > 0) {
hasShownMessage = true;
container.createSpan({ text: `${this.lastRemaining} ⏳` });
}
if ((this.lastHistoryStats?.success ?? 0) > 0) {
hasShownMessage = true;
container.createSpan({
text: `${this.lastHistoryStats?.success ?? 0} ✅`
});
}
if ((this.lastHistoryStats?.success ?? 0) > 0) {
hasShownMessage = true;
container.createSpan({
text: `${this.lastHistoryStats?.success ?? 0} ✅`
});
}
if ((this.lastHistoryStats?.error ?? 0) > 0) {
hasShownMessage = true;
container.createSpan({
text: `${this.lastHistoryStats?.error ?? 0} ❌`
});
}
if ((this.lastHistoryStats?.error ?? 0) > 0) {
hasShownMessage = true;
container.createSpan({
text: `${this.lastHistoryStats?.error ?? 0} ❌`
});
}
if (!hasShownMessage) {
container.createSpan({ text: "VaultLink is idle" });
}
}
if (!hasShownMessage) {
container.createSpan({ text: "VaultLink is idle" });
}
}
}

44
frontend/obsidian-plugin/src/views/status-description/status-description.scss
View file

@ -1,32 +1,32 @@
@mixin number-card {
padding: var(--size-2-1) var(--size-4-1);
border-radius: var(--radius-s);
background-color: var(--color-base-30);
font-size: var(--font-ui-small);
padding: var(--size-2-1) var(--size-4-1);
border-radius: var(--radius-s);
background-color: var(--color-base-30);
font-size: var(--font-ui-small);
&.good {
background-color: rgba(var(--color-green-rgb), 0.35);
}
&.good {
background-color: rgba(var(--color-green-rgb), 0.35);
}
&.bad {
background-color: rgba(var(--color-red-rgb), 0.35);
}
&.bad {
background-color: rgba(var(--color-red-rgb), 0.35);
}
}
.status-description {
margin: var(--p-spacing) 0;
margin: var(--p-spacing) 0;
.number {
@include number-card;
font-family: var(--font-monospace);
font-weight: var(--bold-weight);
}
.number {
@include number-card;
font-family: var(--font-monospace);
font-weight: var(--bold-weight);
}
.error {
color: rgb(var(--color-red-rgb));
}
.error {
color: rgb(var(--color-red-rgb));
}
.warning {
color: rgb(var(--color-yellow-rgb));
}
.warning {
color: rgb(var(--color-yellow-rgb));
}
}

244
frontend/obsidian-plugin/src/views/status-description/status-description.ts
View file

@ -1,147 +1,147 @@
import "./status-description.scss";
import type {
HistoryStats,
NetworkConnectionStatus,
SyncClient
HistoryStats,
NetworkConnectionStatus,
SyncClient
} from "sync-client";
import { utils } from "sync-client";
export class StatusDescription {
private lastHistoryStats: HistoryStats | undefined;
private lastRemaining: number | undefined;
private lastConnectionState: NetworkConnectionStatus | undefined;
private lastHistoryStats: HistoryStats | undefined;
private lastRemaining: number | undefined;
private lastConnectionState: NetworkConnectionStatus | undefined;
private readonly statusChangeListeners: (() => unknown)[] = [];
private readonly statusChangeListeners: (() => unknown)[] = [];
public constructor(private readonly syncClient: SyncClient) {
void this.updateConnectionState();
public constructor(private readonly syncClient: SyncClient) {
void this.updateConnectionState();
syncClient.addSyncHistoryUpdateListener((status) => {
this.lastHistoryStats = status;
this.updateDescription();
});
syncClient.addSyncHistoryUpdateListener((status) => {
this.lastHistoryStats = status;
this.updateDescription();
});
this.syncClient.addRemainingSyncOperationsListener(
(remainingOperations) => {
this.lastRemaining = remainingOperations;
this.updateDescription();
}
);
this.syncClient.addRemainingSyncOperationsListener(
(remainingOperations) => {
this.lastRemaining = remainingOperations;
this.updateDescription();
}
);
this.syncClient.addWebSocketStatusChangeListener(async () =>
this.updateConnectionState()
);
this.syncClient.addWebSocketStatusChangeListener(async () =>
this.updateConnectionState()
);
this.syncClient.addOnSettingsChangeListener(async () =>
this.updateConnectionState()
);
}
this.syncClient.addOnSettingsChangeListener(async () =>
this.updateConnectionState()
);
}
public async updateConnectionState(): Promise<void> {
this.lastConnectionState = await this.syncClient.checkConnection();
this.updateDescription();
}
public async updateConnectionState(): Promise<void> {
this.lastConnectionState = await this.syncClient.checkConnection();
this.updateDescription();
}
public addStatusChangeListener(listener: () => unknown): void {
this.statusChangeListeners.push(listener);
}
public removeStatusChangeListener(listener: () => unknown): void {
utils.removeFromArray(this.statusChangeListeners, listener);
}
public addStatusChangeListener(listener: () => unknown): void {
this.statusChangeListeners.push(listener);
}
public removeStatusChangeListener(listener: () => unknown): void {
utils.removeFromArray(this.statusChangeListeners, listener);
}
public renderStatusDescription(container: HTMLElement): void {
container.empty();
container.addClass("status-description");
public renderStatusDescription(container: HTMLElement): void {
container.empty();
container.addClass("status-description");
if (this.lastConnectionState == undefined) {
container.createSpan({
text: "VaultLink is starting up…",
cls: "warning"
});
return;
}
if (this.lastConnectionState == undefined) {
container.createSpan({
text: "VaultLink is starting up…",
cls: "warning"
});
return;
}
if (!this.lastConnectionState.isSuccessful) {
container.createSpan({
text: `VaultLink failed to connect to the remote server with error '${this.lastConnectionState.serverMessage}'`,
cls: "error"
});
return;
}
if (!this.lastConnectionState.isSuccessful) {
container.createSpan({
text: `VaultLink failed to connect to the remote server with error '${this.lastConnectionState.serverMessage}'`,
cls: "error"
});
return;
}
if (!this.lastConnectionState.isWebSocketConnected) {
container.createSpan({
text: `${this.lastConnectionState.serverMessage} but the WebSocket connection could not be established.`,
cls: "error"
});
return;
}
if (!this.lastConnectionState.isWebSocketConnected) {
container.createSpan({
text: `${this.lastConnectionState.serverMessage} but the WebSocket connection could not be established.`,
cls: "error"
});
return;
}
container.createSpan({ text: "VaultLink is connected to the server " });
container.createEl("a", {
text: this.syncClient.getSettings().remoteUri,
href: this.syncClient.getSettings().remoteUri
});
container.createSpan({ text: "VaultLink is connected to the server " });
container.createEl("a", {
text: this.syncClient.getSettings().remoteUri,
href: this.syncClient.getSettings().remoteUri
});
container.createSpan({
text: ` and has indexed approximately `
});
container.createSpan({
text: `${this.syncClient.documentCount}`,
cls: "number"
});
container.createSpan({
text: ` documents. `
});
container.createSpan({
text: ` and has indexed approximately `
});
container.createSpan({
text: `${this.syncClient.documentCount}`,
cls: "number"
});
container.createSpan({
text: ` documents. `
});
if (
(this.lastRemaining ?? 0) === 0 &&
(this.lastHistoryStats?.success ?? 0) === 0 &&
(this.lastHistoryStats?.error ?? 0) === 0
) {
if (this.syncClient.getSettings().isSyncEnabled) {
container.createSpan({
text: "Syncing is enabled but VaultLink hasn't found anything to sync yet."
});
} else {
container.createSpan({
text: "However, syncing is disabled right now.",
cls: "warning"
});
}
return;
}
if (
(this.lastRemaining ?? 0) === 0 &&
(this.lastHistoryStats?.success ?? 0) === 0 &&
(this.lastHistoryStats?.error ?? 0) === 0
) {
if (this.syncClient.getSettings().isSyncEnabled) {
container.createSpan({
text: "Syncing is enabled but VaultLink hasn't found anything to sync yet."
});
} else {
container.createSpan({
text: "However, syncing is disabled right now.",
cls: "warning"
});
}
return;
}
container.createSpan({
text: "The plugin has "
});
container.createSpan({
text: `${this.lastRemaining ?? 0}`,
cls: "number"
});
container.createSpan({
text: " outstanding operations while having succeeded "
});
container.createSpan({
text: `${this.lastHistoryStats?.success ?? 0}`,
cls: ["number", "good"]
});
container.createSpan({
text: " times and failed "
});
container.createSpan({
text: `${this.lastHistoryStats?.error ?? 0}`,
cls: ["number", "bad"]
});
container.createSpan({
text: " times."
});
}
container.createSpan({
text: "The plugin has "
});
container.createSpan({
text: `${this.lastRemaining ?? 0}`,
cls: "number"
});
container.createSpan({
text: " outstanding operations while having succeeded "
});
container.createSpan({
text: `${this.lastHistoryStats?.success ?? 0}`,
cls: ["number", "good"]
});
container.createSpan({
text: " times and failed "
});
container.createSpan({
text: `${this.lastHistoryStats?.error ?? 0}`,
cls: ["number", "bad"]
});
container.createSpan({
text: " times."
});
}
private updateDescription(): void {
this.statusChangeListeners.forEach((listener) => {
listener();
});
}
private updateDescription(): void {
this.statusChangeListeners.forEach((listener) => {
listener();
});
}
}

216
frontend/obsidian-plugin/webpack.config.js
View file

@ -4,114 +4,114 @@ const MiniCssExtractPlugin = require("mini-css-extract-plugin");
const fs = require("fs-extra");
module.exports = (env, argv) => ({
devtool: argv.mode === "development" ? "inline-source-map" : false,
entry: {
index: "./src/vault-link-plugin.ts"
},
watchOptions: {
ignored: "**/node_modules"
},
externals: {
obsidian: "commonjs obsidian",
electron: "commonjs electron",
"@codemirror/autocomplete": "commonjs @codemirror/autocomplete",
"@codemirror/collab": "commonjs @codemirror/collab",
"@codemirror/commands": "commonjs @codemirror/commands",
"@codemirror/language": "commonjs @codemirror/language",
"@codemirror/lint": "commonjs @codemirror/lint",
"@codemirror/search": "commonjs @codemirror/search",
"@codemirror/state": "commonjs @codemirror/state",
"@codemirror/view": "commonjs @codemirror/view"
},
optimization: {
minimizer: [
new TerserPlugin({
terserOptions: {
module: true
}
})
]
},
plugins: [
new MiniCssExtractPlugin({
filename: "styles.css"
}),
{
apply: (compiler) => {
if (argv.mode !== "development") {
return;
}
devtool: argv.mode === "development" ? "inline-source-map" : false,
entry: {
index: "./src/vault-link-plugin.ts"
},
watchOptions: {
ignored: "**/node_modules"
},
externals: {
obsidian: "commonjs obsidian",
electron: "commonjs electron",
"@codemirror/autocomplete": "commonjs @codemirror/autocomplete",
"@codemirror/collab": "commonjs @codemirror/collab",
"@codemirror/commands": "commonjs @codemirror/commands",
"@codemirror/language": "commonjs @codemirror/language",
"@codemirror/lint": "commonjs @codemirror/lint",
"@codemirror/search": "commonjs @codemirror/search",
"@codemirror/state": "commonjs @codemirror/state",
"@codemirror/view": "commonjs @codemirror/view"
},
optimization: {
minimizer: [
new TerserPlugin({
terserOptions: {
module: true
}
})
]
},
plugins: [
new MiniCssExtractPlugin({
filename: "styles.css"
}),
{
apply: (compiler) => {
if (argv.mode !== "development") {
return;
}
compiler.hooks.done.tap("Copy Files Plugin", (stats) => {
const source = path.resolve(__dirname, "dist");
const destinations = [
"/volumes/syncthing/Desktop/test/test/.obsidian/plugins/vault-link",
"/volumes/syncthing/Desktop/test/test2/.obsidian/plugins/vault-link",
// "/home/andras/obsidian-test/.obsidian/plugins/vault-link"
];
destinations.forEach((destination) => {
fs.copy(source, destination)
.then(() =>
console.log(
"Files copied successfully after build!"
)
)
.catch((err) =>
console.error("Error copying files:", err)
);
compiler.hooks.done.tap("Copy Files Plugin", (stats) => {
const source = path.resolve(__dirname, "dist");
const destinations = [
"/volumes/syncthing/Desktop/test/test/.obsidian/plugins/vault-link",
"/volumes/syncthing/Desktop/test/test2/.obsidian/plugins/vault-link",
// "/home/andras/obsidian-test/.obsidian/plugins/vault-link"
];
destinations.forEach((destination) => {
fs.copy(source, destination)
.then(() =>
console.log(
"Files copied successfully after build!"
)
)
.catch((err) =>
console.error("Error copying files:", err)
);
fs.createFile(path.join(destination, ".hotreload"));
});
});
}
}
],
module: {
rules: [
{
test: /\.json$/i,
type: "asset/resource",
generator: {
filename: "[name][ext]"
}
},
{
test: /\.scss$/i,
use: [
MiniCssExtractPlugin.loader,
"css-loader",
"resolve-url-loader",
{
loader: "sass-loader",
options: {
sourceMap: true // required by resolve-url-loader
}
}
]
},
{
test: /\.ts$/,
use: ["ts-loader"]
}
]
},
resolve: {
extensions: [
".ts",
".js" // required for development
],
alias: {
root: __dirname,
src: path.resolve(__dirname, "src")
}
},
output: {
clean: true,
filename: "main.js",
library: {
type: "commonjs" // required for Obsidian
},
path: path.resolve(__dirname, "dist"),
publicPath: ""
}
fs.createFile(path.join(destination, ".hotreload"));
});
});
}
}
],
module: {
rules: [
{
test: /\.json$/i,
type: "asset/resource",
generator: {
filename: "[name][ext]"
}
},
{
test: /\.scss$/i,
use: [
MiniCssExtractPlugin.loader,
"css-loader",
"resolve-url-loader",
{
loader: "sass-loader",
options: {
sourceMap: true // required by resolve-url-loader
}
}
]
},
{
test: /\.ts$/,
use: ["ts-loader"]
}
]
},
resolve: {
extensions: [
".ts",
".js" // required for development
],
alias: {
root: __dirname,
src: path.resolve(__dirname, "src")
}
},
output: {
clean: true,
filename: "main.js",
library: {
type: "commonjs" // required for Obsidian
},
path: path.resolve(__dirname, "dist"),
publicPath: ""
}
});

12259
frontend/package-lock.json generated
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File diff suppressed because it is too large Load diff

60
frontend/package.json
View file

@ -1,32 +1,32 @@
{
"name": "my-workspace",
"private": true,
"workspaces": [
"sync-client",
"obsidian-plugin",
"test-client",
"local-client-cli"
],
"prettier": {
"trailingComma": "none",
"tabWidth": 4,
"useTabs": true,
"endOfLine": "lf"
},
"scripts": {
"build": "npm run build --workspaces",
"dev": "concurrently --kill-others \"npm run dev -w sync-client\" \"npm run dev -w obsidian-plugin\"",
"test": "npm run test --workspaces",
"lint": "eslint --fix sync-client obsidian-plugin test-client local-client-cli && prettier --write \"**/*.ts\"",
"update": "ncu -u -ws"
},
"devDependencies": {
"concurrently": "^9.2.1",
"eclint": "^2.8.1",
"eslint": "9.38.0",
"eslint-plugin-unused-imports": "^4.1.4",
"npm-check-updates": "^19.1.1",
"prettier": "^3.6.2",
"typescript-eslint": "8.41.0"
}
"name": "my-workspace",
"private": true,
"workspaces": [
"sync-client",
"obsidian-plugin",
"test-client",
"local-client-cli"
],
"prettier": {
"trailingComma": "none",
"tabWidth": 4,
"useTabs": true,
"endOfLine": "lf"
},
"scripts": {
"build": "npm run build --workspaces",
"dev": "concurrently --kill-others \"npm run dev -w sync-client\" \"npm run dev -w obsidian-plugin\"",
"test": "npm run test --workspaces",
"lint": "eslint --fix sync-client obsidian-plugin test-client local-client-cli && prettier --write \"**/*.ts\"",
"update": "ncu -u -ws"
},
"devDependencies": {
"concurrently": "^9.2.1",
"eclint": "^2.8.1",
"eslint": "9.38.0",
"eslint-plugin-unused-imports": "^4.1.4",
"npm-check-updates": "^19.1.1",
"prettier": "^3.6.2",
"typescript-eslint": "8.41.0"
}
}

14
frontend/sync-client/src/file-operations/file-not-found-error.ts
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@ -1,9 +1,9 @@
export class FileNotFoundError extends Error {
public constructor(
message: string,
public readonly filePath: string
) {
super(message);
this.name = "FileNotFoundError";
}
public constructor(
message: string,
public readonly filePath: string
) {
super(message);
this.name = "FileNotFoundError";
}
}

390
frontend/sync-client/src/file-operations/file-operations.test.ts
View file

@ -1,8 +1,8 @@
import { describe, it } from "node:test";
import type {
Database,
DocumentRecord,
RelativePath
Database,
DocumentRecord,
RelativePath
} from "../persistence/database";
import { FileOperations } from "./file-operations";
import { Logger } from "../tracing/logger";
@ -12,224 +12,224 @@ import type { TextWithCursors } from "reconcile-text";
import type { ServerConfig, ServerConfigData } from "../services/server-config";
class MockServerConfig implements Pick<ServerConfig, "getConfig"> {
public getConfig(): ServerConfigData {
return {
mergeableFileExtensions: ["md", "txt"],
supportedApiVersion: 1,
isAuthenticated: true
};
}
public getConfig(): ServerConfigData {
return {
mergeableFileExtensions: ["md", "txt"],
supportedApiVersion: 1,
isAuthenticated: true
};
}
}
class MockDatabase implements Partial<Database> {
public getLatestDocumentByRelativePath(
_find: RelativePath
): DocumentRecord | undefined {
// no-op
return undefined;
}
public getLatestDocumentByRelativePath(
_find: RelativePath
): DocumentRecord | undefined {
// no-op
return undefined;
}
public move(
_oldRelativePath: RelativePath,
_newRelativePath: RelativePath
): void {
// no-op
}
public move(
_oldRelativePath: RelativePath,
_newRelativePath: RelativePath
): void {
// no-op
}
}
class FakeFileSystemOperations implements FileSystemOperations {
public readonly names = new Set<string>();
public readonly names = new Set<string>();
public async listFilesRecursively(
_root: RelativePath | undefined
): Promise<RelativePath[]> {
return ["file.md"];
}
public async read(_path: RelativePath): Promise<Uint8Array> {
throw new Error("Method not implemented.");
}
public async write(
path: RelativePath,
_content: Uint8Array
): Promise<void> {
this.names.add(path);
}
public async atomicUpdateText(
_path: RelativePath,
_updater: (current: TextWithCursors) => TextWithCursors
): Promise<string> {
throw new Error("Method not implemented.");
}
public async getFileSize(_path: RelativePath): Promise<number> {
throw new Error("Method not implemented.");
}
public async getModificationTime(_path: RelativePath): Promise<Date> {
throw new Error("Method not implemented.");
}
public async exists(path: RelativePath): Promise<boolean> {
return this.names.has(path);
}
public async createDirectory(_path: RelativePath): Promise<void> {
// this is called but irrelevant for this mock
}
public async delete(_path: RelativePath): Promise<void> {
throw new Error("Method not implemented.");
}
public async rename(
oldPath: RelativePath,
newPath: RelativePath
): Promise<void> {
this.names.delete(oldPath);
this.names.add(newPath);
}
public async listFilesRecursively(
_root: RelativePath | undefined
): Promise<RelativePath[]> {
return ["file.md"];
}
public async read(_path: RelativePath): Promise<Uint8Array> {
throw new Error("Method not implemented.");
}
public async write(
path: RelativePath,
_content: Uint8Array
): Promise<void> {
this.names.add(path);
}
public async atomicUpdateText(
_path: RelativePath,
_updater: (current: TextWithCursors) => TextWithCursors
): Promise<string> {
throw new Error("Method not implemented.");
}
public async getFileSize(_path: RelativePath): Promise<number> {
throw new Error("Method not implemented.");
}
public async getModificationTime(_path: RelativePath): Promise<Date> {
throw new Error("Method not implemented.");
}
public async exists(path: RelativePath): Promise<boolean> {
return this.names.has(path);
}
public async createDirectory(_path: RelativePath): Promise<void> {
// this is called but irrelevant for this mock
}
public async delete(_path: RelativePath): Promise<void> {
throw new Error("Method not implemented.");
}
public async rename(
oldPath: RelativePath,
newPath: RelativePath
): Promise<void> {
this.names.delete(oldPath);
this.names.add(newPath);
}
}
describe("File operations", () => {
it("should deconflict renames", async () => {
const fileSystemOperations = new FakeFileSystemOperations();
const fileOperations = new FileOperations(
new Logger(),
new MockDatabase() as Database, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
fileSystemOperations,
new MockServerConfig() as ServerConfig // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
);
it("should deconflict renames", async () => {
const fileSystemOperations = new FakeFileSystemOperations();
const fileOperations = new FileOperations(
new Logger(),
new MockDatabase() as Database, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
fileSystemOperations,
new MockServerConfig() as ServerConfig // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
);
await fileOperations.create("a", new Uint8Array());
assertSetContainsExactly(fileSystemOperations.names, "a");
await fileOperations.move("a", "b");
assertSetContainsExactly(fileSystemOperations.names, "b");
await fileOperations.create("a", new Uint8Array());
assertSetContainsExactly(fileSystemOperations.names, "a");
await fileOperations.move("a", "b");
assertSetContainsExactly(fileSystemOperations.names, "b");
await fileOperations.create("c", new Uint8Array());
assertSetContainsExactly(fileSystemOperations.names, "b", "c");
await fileOperations.create("c", new Uint8Array());
assertSetContainsExactly(fileSystemOperations.names, "b", "c");
await fileOperations.move("c", "b");
assertSetContainsExactly(fileSystemOperations.names, "b", "b (1)");
await fileOperations.move("c", "b");
assertSetContainsExactly(fileSystemOperations.names, "b", "b (1)");
await fileOperations.create("c", new Uint8Array());
await fileOperations.move("c", "b");
assertSetContainsExactly(
fileSystemOperations.names,
"b",
"b (1)",
"b (2)"
);
});
await fileOperations.create("c", new Uint8Array());
await fileOperations.move("c", "b");
assertSetContainsExactly(
fileSystemOperations.names,
"b",
"b (1)",
"b (2)"
);
});
it("should deconflict renames with file extension", async () => {
const fileSystemOperations = new FakeFileSystemOperations();
const fileOperations = new FileOperations(
new Logger(),
new MockDatabase() as Database, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
fileSystemOperations,
new MockServerConfig() as ServerConfig // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
);
it("should deconflict renames with file extension", async () => {
const fileSystemOperations = new FakeFileSystemOperations();
const fileOperations = new FileOperations(
new Logger(),
new MockDatabase() as Database, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
fileSystemOperations,
new MockServerConfig() as ServerConfig // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
);
await fileOperations.create("b.md", new Uint8Array());
await fileOperations.create("c.md", new Uint8Array());
await fileOperations.move("c.md", "b.md");
assertSetContainsExactly(
fileSystemOperations.names,
"b.md",
"b (1).md"
);
await fileOperations.create("b.md", new Uint8Array());
await fileOperations.create("c.md", new Uint8Array());
await fileOperations.move("c.md", "b.md");
assertSetContainsExactly(
fileSystemOperations.names,
"b.md",
"b (1).md"
);
await fileOperations.create("d.md", new Uint8Array());
await fileOperations.move("d.md", "b.md");
assertSetContainsExactly(
fileSystemOperations.names,
"b.md",
"b (1).md",
"b (2).md"
);
await fileOperations.create("d.md", new Uint8Array());
await fileOperations.move("d.md", "b.md");
assertSetContainsExactly(
fileSystemOperations.names,
"b.md",
"b (1).md",
"b (2).md"
);
await fileOperations.create("file-23.md", new Uint8Array());
await fileOperations.create("file-23 (1).md", new Uint8Array());
await fileOperations.move("file-23.md", "file-23 (1).md");
assertSetContainsExactly(
fileSystemOperations.names,
"b.md",
"b (1).md",
"b (2).md",
"file-23 (1).md",
"file-23 (2).md"
);
});
await fileOperations.create("file-23.md", new Uint8Array());
await fileOperations.create("file-23 (1).md", new Uint8Array());
await fileOperations.move("file-23.md", "file-23 (1).md");
assertSetContainsExactly(
fileSystemOperations.names,
"b.md",
"b (1).md",
"b (2).md",
"file-23 (1).md",
"file-23 (2).md"
);
});
it("should deconflict renames with paths", async () => {
const fileSystemOperations = new FakeFileSystemOperations();
const fileOperations = new FileOperations(
new Logger(),
new MockDatabase() as Database, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
fileSystemOperations,
new MockServerConfig() as ServerConfig // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
);
it("should deconflict renames with paths", async () => {
const fileSystemOperations = new FakeFileSystemOperations();
const fileOperations = new FileOperations(
new Logger(),
new MockDatabase() as Database, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
fileSystemOperations,
new MockServerConfig() as ServerConfig // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
);
await fileOperations.create("a/b.c/d", new Uint8Array());
await fileOperations.create("a/b.c/e", new Uint8Array());
await fileOperations.move("a/b.c/d", "a/b.c/e");
assertSetContainsExactly(
fileSystemOperations.names,
"a/b.c/e",
"a/b.c/e (1)"
);
});
await fileOperations.create("a/b.c/d", new Uint8Array());
await fileOperations.create("a/b.c/e", new Uint8Array());
await fileOperations.move("a/b.c/d", "a/b.c/e");
assertSetContainsExactly(
fileSystemOperations.names,
"a/b.c/e",
"a/b.c/e (1)"
);
});
it("should continue deconfliction from existing number in filename", async () => {
const fileSystemOperations = new FakeFileSystemOperations();
const fileOperations = new FileOperations(
new Logger(),
new MockDatabase() as Database, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
fileSystemOperations,
new MockServerConfig() as ServerConfig // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
);
it("should continue deconfliction from existing number in filename", async () => {
const fileSystemOperations = new FakeFileSystemOperations();
const fileOperations = new FileOperations(
new Logger(),
new MockDatabase() as Database, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
fileSystemOperations,
new MockServerConfig() as ServerConfig // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
);
await fileOperations.create("document (5).md", new Uint8Array());
await fileOperations.create("other.md", new Uint8Array());
await fileOperations.create("document (5).md", new Uint8Array());
await fileOperations.create("other.md", new Uint8Array());
await fileOperations.move("other.md", "document (5).md");
assertSetContainsExactly(
fileSystemOperations.names,
"document (5).md",
"document (6).md"
);
await fileOperations.move("other.md", "document (5).md");
assertSetContainsExactly(
fileSystemOperations.names,
"document (5).md",
"document (6).md"
);
await fileOperations.create("another.md", new Uint8Array());
await fileOperations.move("another.md", "document (5).md");
assertSetContainsExactly(
fileSystemOperations.names,
"document (5).md",
"document (6).md",
"document (7).md"
);
});
await fileOperations.create("another.md", new Uint8Array());
await fileOperations.move("another.md", "document (5).md");
assertSetContainsExactly(
fileSystemOperations.names,
"document (5).md",
"document (6).md",
"document (7).md"
);
});
it("should handle dotfiles correctly", async () => {
const fileSystemOperations = new FakeFileSystemOperations();
const fileOperations = new FileOperations(
new Logger(),
new MockDatabase() as Database, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
fileSystemOperations,
new MockServerConfig() as ServerConfig // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
);
it("should handle dotfiles correctly", async () => {
const fileSystemOperations = new FakeFileSystemOperations();
const fileOperations = new FileOperations(
new Logger(),
new MockDatabase() as Database, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
fileSystemOperations,
new MockServerConfig() as ServerConfig // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
);
await fileOperations.create(".gitignore", new Uint8Array());
await fileOperations.create("temp", new Uint8Array());
await fileOperations.move("temp", ".gitignore");
assertSetContainsExactly(
fileSystemOperations.names,
".gitignore",
".gitignore (1)"
);
await fileOperations.create(".gitignore", new Uint8Array());
await fileOperations.create("temp", new Uint8Array());
await fileOperations.move("temp", ".gitignore");
assertSetContainsExactly(
fileSystemOperations.names,
".gitignore",
".gitignore (1)"
);
await fileOperations.create(".config.json", new Uint8Array());
await fileOperations.create("temp2", new Uint8Array());
await fileOperations.move("temp2", ".config.json");
assertSetContainsExactly(
fileSystemOperations.names,
".gitignore",
".gitignore (1)",
".config.json",
".config (1).json"
);
});
await fileOperations.create(".config.json", new Uint8Array());
await fileOperations.create("temp2", new Uint8Array());
await fileOperations.move("temp2", ".config.json");
assertSetContainsExactly(
fileSystemOperations.names,
".gitignore",
".gitignore (1)",
".config.json",
".config (1).json"
);
});
});

488
frontend/sync-client/src/file-operations/file-operations.ts
View file

@ -9,283 +9,283 @@ import { isBinary } from "../utils/is-binary";
import type { ServerConfig } from "../services/server-config";
export class FileOperations {
private static readonly PARENTHESES_REGEX = / \((?<count>\d+)\)$/;
private readonly fs: SafeFileSystemOperations;
private static readonly PARENTHESES_REGEX = / \((?<count>\d+)\)$/;
private readonly fs: SafeFileSystemOperations;
public constructor(
private readonly logger: Logger,
private readonly database: Database,
fs: FileSystemOperations,
private readonly serverConfig: ServerConfig,
private readonly nativeLineEndings = "\n"
) {
this.fs = new SafeFileSystemOperations(fs, logger);
}
public constructor(
private readonly logger: Logger,
private readonly database: Database,
fs: FileSystemOperations,
private readonly serverConfig: ServerConfig,
private readonly nativeLineEndings = "\n"
) {
this.fs = new SafeFileSystemOperations(fs, logger);
}
private static getParentDirAndFile(
path: RelativePath
): [RelativePath, RelativePath] {
const pathParts = path.split("/");
const fileName = pathParts.pop();
if (fileName == null || fileName === "") {
throw new Error(`Path '${path}' cannot be empty`);
}
private static getParentDirAndFile(
path: RelativePath
): [RelativePath, RelativePath] {
const pathParts = path.split("/");
const fileName = pathParts.pop();
if (fileName == null || fileName === "") {
throw new Error(`Path '${path}' cannot be empty`);
}
return [pathParts.join("/"), fileName];
}
return [pathParts.join("/"), fileName];
}
public async listFilesRecursively(
root: RelativePath | undefined = undefined
): Promise<RelativePath[]> {
return this.fs.listFilesRecursively(root);
}
public async listFilesRecursively(
root: RelativePath | undefined = undefined
): Promise<RelativePath[]> {
return this.fs.listFilesRecursively(root);
}
public async read(path: RelativePath): Promise<Uint8Array> {
return this.fromNativeLineEndings(await this.fs.read(path));
}
public async read(path: RelativePath): Promise<Uint8Array> {
return this.fromNativeLineEndings(await this.fs.read(path));
}
/**
* Create a file at the specified path.
*
* If a file with the same name already exists, it is moved before creating the new one.
* Parent directories are created if necessary.
*/
public async create(
path: RelativePath,
newContent: Uint8Array
): Promise<void> {
await this.ensureClearPath(path);
return this.fs.write(path, this.toNativeLineEndings(newContent));
}
/**
* Create a file at the specified path.
*
* If a file with the same name already exists, it is moved before creating the new one.
* Parent directories are created if necessary.
*/
public async create(
path: RelativePath,
newContent: Uint8Array
): Promise<void> {
await this.ensureClearPath(path);
return this.fs.write(path, this.toNativeLineEndings(newContent));
}
public async ensureClearPath(path: RelativePath): Promise<void> {
if (await this.fs.exists(path)) {
const deconflictedPath = await this.deconflictPath(path);
try {
this.logger.debug(
`Didn't expect ${path} to exist, deconflicting by moving it to '${deconflictedPath}'`
);
public async ensureClearPath(path: RelativePath): Promise<void> {
if (await this.fs.exists(path)) {
const deconflictedPath = await this.deconflictPath(path);
try {
this.logger.debug(
`Didn't expect ${path} to exist, deconflicting by moving it to '${deconflictedPath}'`
);
this.database.move(path, deconflictedPath);
await this.fs.rename(path, deconflictedPath, true);
} finally {
this.fs.unlock(deconflictedPath);
}
} else {
await this.createParentDirectories(path);
}
}
this.database.move(path, deconflictedPath);
await this.fs.rename(path, deconflictedPath, true);
} finally {
this.fs.unlock(deconflictedPath);
}
} else {
await this.createParentDirectories(path);
}
}
/**
* Update the file at the given path.
*
* Performs a 3-way merge before writing if the file's content differs from `expectedContent`.
* Does not recreate the file if it no longer exists, returning an empty array instead.
*/
public async write(
path: RelativePath,
expectedContent: Uint8Array,
newContent: Uint8Array
): Promise<void> {
if (!(await this.fs.exists(path))) {
this.logger.debug(
`The caller assumed ${path} exists, but it no longer, so we wont recreate it`
);
return;
}
/**
* Update the file at the given path.
*
* Performs a 3-way merge before writing if the file's content differs from `expectedContent`.
* Does not recreate the file if it no longer exists, returning an empty array instead.
*/
public async write(
path: RelativePath,
expectedContent: Uint8Array,
newContent: Uint8Array
): Promise<void> {
if (!(await this.fs.exists(path))) {
this.logger.debug(
`The caller assumed ${path} exists, but it no longer, so we wont recreate it`
);
return;
}
if (
!isFileTypeMergable(
path,
this.serverConfig.getConfig().mergeableFileExtensions
) ||
isBinary(expectedContent) ||
isBinary(newContent)
) {
this.logger.debug(
`The expected content is not mergable, so we won't perform a 3-way merge, just overwrite it`
);
await this.fs.write(
path,
// `newContent` might not be binary so we still have to ensure the line endings are correct
this.toNativeLineEndings(newContent)
);
return;
}
if (
!isFileTypeMergable(
path,
this.serverConfig.getConfig().mergeableFileExtensions
) ||
isBinary(expectedContent) ||
isBinary(newContent)
) {
this.logger.debug(
`The expected content is not mergable, so we won't perform a 3-way merge, just overwrite it`
);
await this.fs.write(
path,
// `newContent` might not be binary so we still have to ensure the line endings are correct
this.toNativeLineEndings(newContent)
);
return;
}
const expectedText = new TextDecoder().decode(expectedContent); // this comes from a previous read which must only have \n line endings
const newText = new TextDecoder().decode(newContent); // this comes from the server which stores text with \n line endings
const expectedText = new TextDecoder().decode(expectedContent); // this comes from a previous read which must only have \n line endings
const newText = new TextDecoder().decode(newContent); // this comes from the server which stores text with \n line endings
await this.fs.atomicUpdateText(
path,
({ text, cursors }: TextWithCursors): TextWithCursors => {
this.logger.debug(
`Performing a 3-way merge for ${path} with the expected content`
);
await this.fs.atomicUpdateText(
path,
({ text, cursors }: TextWithCursors): TextWithCursors => {
this.logger.debug(
`Performing a 3-way merge for ${path} with the expected content`
);
text = text.replaceAll(this.nativeLineEndings, "\n");
const merged = reconcile(
expectedText,
{ text, cursors },
newText
);
text = text.replaceAll(this.nativeLineEndings, "\n");
const merged = reconcile(
expectedText,
{ text, cursors },
newText
);
const resultText = merged.text.replaceAll(
"\n",
this.nativeLineEndings
);
const resultText = merged.text.replaceAll(
"\n",
this.nativeLineEndings
);
return {
text: resultText,
cursors: merged.cursors
};
}
);
}
return {
text: resultText,
cursors: merged.cursors
};
}
);
}
public async delete(path: RelativePath): Promise<void> {
if (await this.exists(path)) {
await this.fs.delete(path);
await this.deletingEmptyParentDirectoriesOfDeletedFile(path);
} else {
this.logger.debug(`No need to delete '${path}', it doesn't exist`);
}
}
public async delete(path: RelativePath): Promise<void> {
if (await this.exists(path)) {
await this.fs.delete(path);
await this.deletingEmptyParentDirectoriesOfDeletedFile(path);
} else {
this.logger.debug(`No need to delete '${path}', it doesn't exist`);
}
}
public async getFileSize(path: RelativePath): Promise<number> {
return this.fs.getFileSize(path);
}
public async getFileSize(path: RelativePath): Promise<number> {
return this.fs.getFileSize(path);
}
public async exists(path: RelativePath): Promise<boolean> {
return this.fs.exists(path);
}
public async exists(path: RelativePath): Promise<boolean> {
return this.fs.exists(path);
}
public async move(
oldPath: RelativePath,
newPath: RelativePath
): Promise<void> {
if (oldPath === newPath) {
return;
}
public async move(
oldPath: RelativePath,
newPath: RelativePath
): Promise<void> {
if (oldPath === newPath) {
return;
}
await this.ensureClearPath(newPath);
await this.ensureClearPath(newPath);
this.database.move(oldPath, newPath);
await this.fs.rename(oldPath, newPath);
await this.deletingEmptyParentDirectoriesOfDeletedFile(oldPath);
}
this.database.move(oldPath, newPath);
await this.fs.rename(oldPath, newPath);
await this.deletingEmptyParentDirectoriesOfDeletedFile(oldPath);
}
public reset(): void {
this.fs.reset();
}
public reset(): void {
this.fs.reset();
}
private async deletingEmptyParentDirectoriesOfDeletedFile(
path: RelativePath
): Promise<void> {
let directory = path;
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
while (true) {
[directory] = FileOperations.getParentDirAndFile(directory);
if (directory.length === 0) {
break;
}
private async deletingEmptyParentDirectoriesOfDeletedFile(
path: RelativePath
): Promise<void> {
let directory = path;
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
while (true) {
[directory] = FileOperations.getParentDirAndFile(directory);
if (directory.length === 0) {
break;
}
const remainingContent =
await this.fs.listFilesRecursively(directory);
if (remainingContent.length === 0) {
this.logger.debug(
`Folder (${directory}) is now empty, deleting`
);
await this.fs.delete(directory);
} else {
break;
}
}
}
const remainingContent =
await this.fs.listFilesRecursively(directory);
if (remainingContent.length === 0) {
this.logger.debug(
`Folder (${directory}) is now empty, deleting`
);
await this.fs.delete(directory);
} else {
break;
}
}
}
private fromNativeLineEndings(content: Uint8Array): Uint8Array {
if (isBinary(content)) {
return content;
}
private fromNativeLineEndings(content: Uint8Array): Uint8Array {
if (isBinary(content)) {
return content;
}
const decoder = new TextDecoder("utf-8");
let text = decoder.decode(content);
text = text.replaceAll(this.nativeLineEndings, "\n");
return new TextEncoder().encode(text);
}
const decoder = new TextDecoder("utf-8");
let text = decoder.decode(content);
text = text.replaceAll(this.nativeLineEndings, "\n");
return new TextEncoder().encode(text);
}
private toNativeLineEndings(content: Uint8Array): Uint8Array {
if (isBinary(content)) {
return content;
}
private toNativeLineEndings(content: Uint8Array): Uint8Array {
if (isBinary(content)) {
return content;
}
const decoder = new TextDecoder("utf-8");
let text = decoder.decode(content);
text = text.replaceAll("\n", this.nativeLineEndings);
return new TextEncoder().encode(text);
}
const decoder = new TextDecoder("utf-8");
let text = decoder.decode(content);
text = text.replaceAll("\n", this.nativeLineEndings);
return new TextEncoder().encode(text);
}
private async createParentDirectories(path: string): Promise<void> {
const components = path.split("/");
if (components.length === 1) {
return;
}
for (let i = 1; i < components.length; i++) {
const parentDir = components.slice(0, i).join("/");
if (!(await this.fs.exists(parentDir))) {
await this.fs.createDirectory(parentDir);
}
}
}
private async createParentDirectories(path: string): Promise<void> {
const components = path.split("/");
if (components.length === 1) {
return;
}
for (let i = 1; i < components.length; i++) {
const parentDir = components.slice(0, i).join("/");
if (!(await this.fs.exists(parentDir))) {
await this.fs.createDirectory(parentDir);
}
}
}
/**
* Deconflicts the given path by appending (1), (2), etc. before the file extension until a non-existent path is found.
* The returned path has a lock acquired on it; it must be released by the caller when no longer needed.
*
* @param path The starting path to deconflict
* @returns a non-existent path with a lock acquired on it
*/
private async deconflictPath(path: RelativePath): Promise<RelativePath> {
// eslint-disable-next-line prefer-const
let [directory, fileName] = FileOperations.getParentDirAndFile(path);
/**
* Deconflicts the given path by appending (1), (2), etc. before the file extension until a non-existent path is found.
* The returned path has a lock acquired on it; it must be released by the caller when no longer needed.
*
* @param path The starting path to deconflict
* @returns a non-existent path with a lock acquired on it
*/
private async deconflictPath(path: RelativePath): Promise<RelativePath> {
// eslint-disable-next-line prefer-const
let [directory, fileName] = FileOperations.getParentDirAndFile(path);
if (directory) {
directory += "/";
}
if (directory) {
directory += "/";
}
const nameParts = fileName.split(".");
// Handle dotfiles: ".gitignore" should have no extension, ".config.json" should have ".json"
const isDotfile = fileName.startsWith(".") && nameParts[0] === "";
const extension =
nameParts.length > 1 && !(isDotfile && nameParts.length === 2)
? "." + nameParts[nameParts.length - 1]
: "";
let stem = extension ? nameParts.slice(0, -1).join(".") : fileName;
let currentCount = Number.parseInt(
FileOperations.PARENTHESES_REGEX.exec(stem)?.groups?.count ?? "0"
);
stem = stem.replace(FileOperations.PARENTHESES_REGEX, "");
const nameParts = fileName.split(".");
// Handle dotfiles: ".gitignore" should have no extension, ".config.json" should have ".json"
const isDotfile = fileName.startsWith(".") && nameParts[0] === "";
const extension =
nameParts.length > 1 && !(isDotfile && nameParts.length === 2)
? "." + nameParts[nameParts.length - 1]
: "";
let stem = extension ? nameParts.slice(0, -1).join(".") : fileName;
let currentCount = Number.parseInt(
FileOperations.PARENTHESES_REGEX.exec(stem)?.groups?.count ?? "0"
);
stem = stem.replace(FileOperations.PARENTHESES_REGEX, "");
let newName = path;
let newName = path;
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
while (true) {
currentCount++;
newName = `${directory}${stem} (${currentCount})${extension}`;
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
while (true) {
currentCount++;
newName = `${directory}${stem} (${currentCount})${extension}`;
// Avoid multiple deconflictPath calls returning the same path
if (this.fs.tryLock(newName)) {
const newDocument =
this.database.getLatestDocumentByRelativePath(newName);
if (
newDocument?.isDeleted === false || // the document might have been confirmed by the server at a new path but haven't yet moved there locally
(await this.fs.exists(newName, true))
) {
this.fs.unlock(newName);
} else {
return newName;
}
}
}
}
// Avoid multiple deconflictPath calls returning the same path
if (this.fs.tryLock(newName)) {
const newDocument =
this.database.getLatestDocumentByRelativePath(newName);
if (
newDocument?.isDeleted === false || // the document might have been confirmed by the server at a new path but haven't yet moved there locally
(await this.fs.exists(newName, true))
) {
this.fs.unlock(newName);
} else {
return newName;
}
}
}
}
}

46
frontend/sync-client/src/file-operations/filesystem-operations.ts
View file

@ -3,35 +3,35 @@ import type { RelativePath } from "../persistence/database";
import type { TextWithCursors } from "reconcile-text";
export interface FileSystemOperations {
// List all files under root that should be synced. If root is undefined, return every file.
listFilesRecursively: (
root: RelativePath | undefined
) => Promise<RelativePath[]>;
// List all files under root that should be synced. If root is undefined, return every file.
listFilesRecursively: (
root: RelativePath | undefined
) => Promise<RelativePath[]>;
// Read the content of a file.
read: (path: RelativePath) => Promise<Uint8Array>;
// Read the content of a file.
read: (path: RelativePath) => Promise<Uint8Array>;
// Create or overwrite a file with the given content.
write: (path: RelativePath, content: Uint8Array) => Promise<void>;
// Create or overwrite a file with the given content.
write: (path: RelativePath, content: Uint8Array) => Promise<void>;
// Atomically update the content of a text file.
atomicUpdateText: (
path: RelativePath,
updater: (current: TextWithCursors) => TextWithCursors
) => Promise<string>;
// Atomically update the content of a text file.
atomicUpdateText: (
path: RelativePath,
updater: (current: TextWithCursors) => TextWithCursors
) => Promise<string>;
// Get the size of a file in bytes.
getFileSize: (path: RelativePath) => Promise<number>;
// Get the size of a file in bytes.
getFileSize: (path: RelativePath) => Promise<number>;
// Check if a file exists.
exists: (path: RelativePath) => Promise<boolean>;
// Check if a file exists.
exists: (path: RelativePath) => Promise<boolean>;
// Create a directory at the specified path. All parent directories must already exist.
createDirectory: (path: RelativePath) => Promise<void>;
// Create a directory at the specified path. All parent directories must already exist.
createDirectory: (path: RelativePath) => Promise<void>;
// Delete a file. It is expected that the path points to an existing file.
delete: (path: RelativePath) => Promise<void>;
// Delete a file. It is expected that the path points to an existing file.
delete: (path: RelativePath) => Promise<void>;
// Rename a file. It is expected that the oldPath points to an existing file and the newPath does not exist.
rename: (oldPath: RelativePath, newPath: RelativePath) => Promise<void>;
// Rename a file. It is expected that the oldPath points to an existing file and the newPath does not exist.
rename: (oldPath: RelativePath, newPath: RelativePath) => Promise<void>;
}

280
frontend/sync-client/src/file-operations/safe-filesystem-operations.ts
View file

@ -11,160 +11,160 @@ import type { TextWithCursors } from "reconcile-text";
* single request in-flight for any one file through the use of locks.
*/
export class SafeFileSystemOperations implements FileSystemOperations {
private readonly locks: Locks<RelativePath>;
private readonly locks: Locks<RelativePath>;
public constructor(
private readonly fs: FileSystemOperations,
private readonly logger: Logger
) {
this.locks = new Locks(logger);
}
public constructor(
private readonly fs: FileSystemOperations,
private readonly logger: Logger
) {
this.locks = new Locks(logger);
}
public async listFilesRecursively(
root: RelativePath | undefined
): Promise<RelativePath[]> {
this.logger.debug("Listing all files");
const result = await this.fs.listFilesRecursively(root);
this.logger.debug(`Listed ${result.length} files`);
return result;
}
public async listFilesRecursively(
root: RelativePath | undefined
): Promise<RelativePath[]> {
this.logger.debug("Listing all files");
const result = await this.fs.listFilesRecursively(root);
this.logger.debug(`Listed ${result.length} files`);
return result;
}
public async read(path: RelativePath): Promise<Uint8Array> {
this.logger.debug(`Reading file '${path}'`);
return this.safeOperation(
path,
async () =>
this.locks.withLock(path, async () => this.fs.read(path)),
"read"
);
}
public async read(path: RelativePath): Promise<Uint8Array> {
this.logger.debug(`Reading file '${path}'`);
return this.safeOperation(
path,
async () =>
this.locks.withLock(path, async () => this.fs.read(path)),
"read"
);
}
public async write(path: RelativePath, content: Uint8Array): Promise<void> {
this.logger.debug(`Writing to file '${path}'`);
return this.locks.withLock(path, async () =>
this.fs.write(path, content)
);
}
public async write(path: RelativePath, content: Uint8Array): Promise<void> {
this.logger.debug(`Writing to file '${path}'`);
return this.locks.withLock(path, async () =>
this.fs.write(path, content)
);
}
public async atomicUpdateText(
path: RelativePath,
updater: (current: TextWithCursors) => TextWithCursors
): Promise<string> {
this.logger.debug(`Atomically updating file '${path}'`);
return this.safeOperation(
path,
async () =>
this.locks.withLock(path, async () =>
this.fs.atomicUpdateText(path, updater)
),
"atomicUpdateText"
);
}
public async atomicUpdateText(
path: RelativePath,
updater: (current: TextWithCursors) => TextWithCursors
): Promise<string> {
this.logger.debug(`Atomically updating file '${path}'`);
return this.safeOperation(
path,
async () =>
this.locks.withLock(path, async () =>
this.fs.atomicUpdateText(path, updater)
),
"atomicUpdateText"
);
}
public async getFileSize(path: RelativePath): Promise<number> {
// Logging this would be too noisy
return this.safeOperation(
path,
async () =>
this.locks.withLock(path, async () =>
this.fs.getFileSize(path)
),
"getFileSize"
);
}
public async getFileSize(path: RelativePath): Promise<number> {
// Logging this would be too noisy
return this.safeOperation(
path,
async () =>
this.locks.withLock(path, async () =>
this.fs.getFileSize(path)
),
"getFileSize"
);
}
public async exists(
path: RelativePath,
skipLock = false
): Promise<boolean> {
this.logger.debug(`Checking if file '${path}' exists`);
if (skipLock) {
return this.fs.exists(path);
} else {
return this.locks.withLock(path, async () => this.fs.exists(path));
}
}
public async exists(
path: RelativePath,
skipLock = false
): Promise<boolean> {
this.logger.debug(`Checking if file '${path}' exists`);
if (skipLock) {
return this.fs.exists(path);
} else {
return this.locks.withLock(path, async () => this.fs.exists(path));
}
}
public async createDirectory(path: RelativePath): Promise<void> {
this.logger.debug(`Creating directory '${path}'`);
return this.locks.withLock(path, async () =>
this.fs.createDirectory(path)
);
}
public async createDirectory(path: RelativePath): Promise<void> {
this.logger.debug(`Creating directory '${path}'`);
return this.locks.withLock(path, async () =>
this.fs.createDirectory(path)
);
}
public async delete(path: RelativePath): Promise<void> {
this.logger.debug(`Deleting file '${path}'`);
return this.locks.withLock(path, async () => this.fs.delete(path));
}
public async delete(path: RelativePath): Promise<void> {
this.logger.debug(`Deleting file '${path}'`);
return this.locks.withLock(path, async () => this.fs.delete(path));
}
public async rename(
oldPath: RelativePath,
newPath: RelativePath,
skipLock = false
): Promise<void> {
this.logger.debug(`Renaming file '${oldPath}' to '${newPath}'`);
return this.safeOperation(
oldPath,
async () => {
if (skipLock) {
return this.fs.rename(oldPath, newPath);
} else {
return this.locks.withLock([oldPath, newPath], async () =>
this.fs.rename(oldPath, newPath)
);
}
},
"rename"
);
}
public async rename(
oldPath: RelativePath,
newPath: RelativePath,
skipLock = false
): Promise<void> {
this.logger.debug(`Renaming file '${oldPath}' to '${newPath}'`);
return this.safeOperation(
oldPath,
async () => {
if (skipLock) {
return this.fs.rename(oldPath, newPath);
} else {
return this.locks.withLock([oldPath, newPath], async () =>
this.fs.rename(oldPath, newPath)
);
}
},
"rename"
);
}
public tryLock(path: RelativePath): boolean {
return this.locks.tryLock(path);
}
public tryLock(path: RelativePath): boolean {
return this.locks.tryLock(path);
}
public async waitForLock(path: RelativePath): Promise<void> {
return this.locks.waitForLock(path);
}
public async waitForLock(path: RelativePath): Promise<void> {
return this.locks.waitForLock(path);
}
public unlock(path: RelativePath): void {
this.locks.unlock(path);
}
public unlock(path: RelativePath): void {
this.locks.unlock(path);
}
public reset(): void {
this.locks.reset();
}
public reset(): void {
this.locks.reset();
}
/**
* Decorate an operation to ensure that the file exists before running it.
* If the operation fails, it will check if the file still exists and throw
* a FileNotFoundError if it doesn't.
*/
private async safeOperation<T>(
path: RelativePath,
operation: () => Promise<T>,
operationName: string
): Promise<T> {
if (!(await this.fs.exists(path))) {
throw new FileNotFoundError(
`File not found before trying to ${operationName}`,
path
);
}
/**
* Decorate an operation to ensure that the file exists before running it.
* If the operation fails, it will check if the file still exists and throw
* a FileNotFoundError if it doesn't.
*/
private async safeOperation<T>(
path: RelativePath,
operation: () => Promise<T>,
operationName: string
): Promise<T> {
if (!(await this.fs.exists(path))) {
throw new FileNotFoundError(
`File not found before trying to ${operationName}`,
path
);
}
try {
return await operation();
} catch (error) {
// Without locking the file, this isn't atomic, however, it's good enough in practice.
// This will only break if the file exists, gets deleted and then immediately
// recreated while `operation` is running.
if (await this.fs.exists(path)) {
throw error;
} else {
throw new FileNotFoundError(
`File not found when trying to ${operationName}`,
path
);
}
}
}
try {
return await operation();
} catch (error) {
// Without locking the file, this isn't atomic, however, it's good enough in practice.
// This will only break if the file exists, gets deleted and then immediately
// recreated while `operation` is running.
if (await this.fs.exists(path)) {
throw error;
} else {
throw new FileNotFoundError(
`File not found when trying to ${operationName}`,
path
);
}
}
}
}

34
frontend/sync-client/src/index.ts
View file

@ -8,15 +8,15 @@ import { positionToLineAndColumn } from "./utils/position-to-line-and-column";
import { removeFromArray } from "./utils/remove-from-array";
export {
SyncType,
SyncStatus,
type HistoryStats,
type HistoryEntry,
type SyncDetails,
type SyncCreateDetails,
type SyncUpdateDetails,
type SyncMovedDetails,
type SyncDeleteDetails
SyncType,
SyncStatus,
type HistoryStats,
type HistoryEntry,
type SyncDetails,
type SyncCreateDetails,
type SyncUpdateDetails,
type SyncMovedDetails,
type SyncDeleteDetails
} from "./tracing/sync-history";
export { Logger, LogLevel, LogLine } from "./tracing/logger";
export { type SyncSettings, DEFAULT_SETTINGS } from "./persistence/settings";
@ -35,15 +35,15 @@ export { SyncClient } from "./sync-client";
export type { TextWithCursors, CursorPosition } from "reconcile-text";
export const debugging = {
slowFetchFactory,
slowWebSocketFactory,
logToConsole
slowFetchFactory,
slowWebSocketFactory,
logToConsole
};
export const utils = {
getRandomColor,
positionToLineAndColumn,
lineAndColumnToPosition,
awaitAll,
removeFromArray
getRandomColor,
positionToLineAndColumn,
lineAndColumnToPosition,
awaitAll,
removeFromArray
};

592
frontend/sync-client/src/persistence/database.ts
View file

@ -9,23 +9,23 @@ export type DocumentId = string;
export type RelativePath = string;
export interface DocumentMetadata {
parentVersionId: VaultUpdateId;
hash: string;
remoteRelativePath?: RelativePath;
parentVersionId: VaultUpdateId;
hash: string;
remoteRelativePath?: RelativePath;
}
export interface StoredDocumentMetadata {
relativePath: RelativePath;
documentId: DocumentId;
parentVersionId: VaultUpdateId;
remoteRelativePath?: RelativePath;
hash: string;
relativePath: RelativePath;
documentId: DocumentId;
parentVersionId: VaultUpdateId;
remoteRelativePath?: RelativePath;
hash: string;
}
export interface StoredDatabase {
documents: StoredDocumentMetadata[];
lastSeenUpdateId: VaultUpdateId | undefined;
hasInitialSyncCompleted: boolean;
documents: StoredDocumentMetadata[];
lastSeenUpdateId: VaultUpdateId | undefined;
hasInitialSyncCompleted: boolean;
}
/**
@ -35,340 +35,340 @@ export interface StoredDatabase {
* state of the document on disk based on the update events we have seen.
*/
export interface DocumentRecord {
relativePath: RelativePath;
documentId: DocumentId;
metadata: DocumentMetadata | undefined;
isDeleted: boolean;
updates: Promise<unknown>[];
parallelVersion: number;
relativePath: RelativePath;
documentId: DocumentId;
metadata: DocumentMetadata | undefined;
isDeleted: boolean;
updates: Promise<unknown>[];
parallelVersion: number;
}
export class Database {
private documents: DocumentRecord[];
private lastSeenUpdateIds: CoveredValues;
private hasInitialSyncCompleted: boolean;
private documents: DocumentRecord[];
private lastSeenUpdateIds: CoveredValues;
private hasInitialSyncCompleted: boolean;
public constructor(
private readonly logger: Logger,
initialState: Partial<StoredDatabase> | undefined,
private readonly saveData: (data: StoredDatabase) => Promise<void>
) {
initialState ??= {};
public constructor(
private readonly logger: Logger,
initialState: Partial<StoredDatabase> | undefined,
private readonly saveData: (data: StoredDatabase) => Promise<void>
) {
initialState ??= {};
this.documents =
initialState.documents?.map(
({ relativePath, documentId, ...metadata }) => ({
relativePath,
documentId,
metadata,
isDeleted: false,
updates: [],
parallelVersion: 0
})
) ?? [];
this.documents =
initialState.documents?.map(
({ relativePath, documentId, ...metadata }) => ({
relativePath,
documentId,
metadata,
isDeleted: false,
updates: [],
parallelVersion: 0
})
) ?? [];
this.ensureConsistency();
this.logger.debug(`Loaded ${this.documents.length} documents`);
this.ensureConsistency();
this.logger.debug(`Loaded ${this.documents.length} documents`);
const { lastSeenUpdateId } = initialState;
this.logger.debug(`Loaded last seen update id: ${lastSeenUpdateId}`);
this.lastSeenUpdateIds = new CoveredValues(
Math.max(0, lastSeenUpdateId ?? 0) // the first updateId will be 1 which is the first integer after -1
);
const { lastSeenUpdateId } = initialState;
this.logger.debug(`Loaded last seen update id: ${lastSeenUpdateId}`);
this.lastSeenUpdateIds = new CoveredValues(
Math.max(0, lastSeenUpdateId ?? 0) // the first updateId will be 1 which is the first integer after -1
);
this.documents.forEach((doc) => {
this.lastSeenUpdateIds.add(doc.metadata?.parentVersionId);
});
this.documents.forEach((doc) => {
this.lastSeenUpdateIds.add(doc.metadata?.parentVersionId);
});
this.hasInitialSyncCompleted =
initialState.hasInitialSyncCompleted ?? false;
this.logger.debug(
`Loaded hasInitialSyncCompleted: ${this.hasInitialSyncCompleted}`
);
}
this.hasInitialSyncCompleted =
initialState.hasInitialSyncCompleted ?? false;
this.logger.debug(
`Loaded hasInitialSyncCompleted: ${this.hasInitialSyncCompleted}`
);
}
public get length(): number {
return this.documents.length;
}
public get length(): number {
return this.documents.length;
}
public get resolvedDocuments(): DocumentRecord[] {
const paths = new Map<string, DocumentRecord[]>();
this.documents
// eslint-disable-next-line no-restricted-syntax -- Type narrowing, not removing a specific item
.filter(({ metadata }) => metadata !== undefined)
.forEach((record) =>
paths.set(record.relativePath, [
record,
...(paths.get(record.relativePath) ?? [])
])
);
public get resolvedDocuments(): DocumentRecord[] {
const paths = new Map<string, DocumentRecord[]>();
this.documents
// eslint-disable-next-line no-restricted-syntax -- Type narrowing, not removing a specific item
.filter(({ metadata }) => metadata !== undefined)
.forEach((record) =>
paths.set(record.relativePath, [
record,
...(paths.get(record.relativePath) ?? [])
])
);
return Array.from(paths.values()).map((records) => {
records.sort(
(a, b) => b.parallelVersion - a.parallelVersion // descending
);
return Array.from(paths.values()).map((records) => {
records.sort(
(a, b) => b.parallelVersion - a.parallelVersion // descending
);
if (
records.length > 1 &&
records.some((current, i) =>
i === 0
? false
: records[i - 1].parallelVersion ===
current.parallelVersion
)
) {
throw new Error(
`Multiple documents with the same parallel version and path at ${records[0].relativePath}`
);
}
return records[0];
});
}
if (
records.length > 1 &&
records.some((current, i) =>
i === 0
? false
: records[i - 1].parallelVersion ===
current.parallelVersion
)
) {
throw new Error(
`Multiple documents with the same parallel version and path at ${records[0].relativePath}`
);
}
return records[0];
});
}
public updateDocumentMetadata(
metadata: {
parentVersionId: VaultUpdateId;
hash: string;
remoteRelativePath: RelativePath;
},
toUpdate: DocumentRecord
): void {
if (!this.documents.includes(toUpdate)) {
throw new Error("Document not found in database");
}
public updateDocumentMetadata(
metadata: {
parentVersionId: VaultUpdateId;
hash: string;
remoteRelativePath: RelativePath;
},
toUpdate: DocumentRecord
): void {
if (!this.documents.includes(toUpdate)) {
throw new Error("Document not found in database");
}
toUpdate.metadata = metadata;
toUpdate.metadata = metadata;
this.saveInTheBackground();
}
this.saveInTheBackground();
}
public removeDocumentPromise(promise: Promise<unknown>): void {
const entry = this.documents.find(({ updates }) =>
updates.includes(promise)
);
public removeDocumentPromise(promise: Promise<unknown>): void {
const entry = this.documents.find(({ updates }) =>
updates.includes(promise)
);
if (entry === undefined) {
// This method should be idempotent and tolerant of
// stragglers calling it after the databse has been reset.
return;
}
if (entry === undefined) {
// This method should be idempotent and tolerant of
// stragglers calling it after the databse has been reset.
return;
}
removeFromArray(entry.updates, promise);
// No need to save as Promises don't get serialized
}
removeFromArray(entry.updates, promise);
// No need to save as Promises don't get serialized
}
public removeDocument(find: DocumentRecord): void {
removeFromArray(this.documents, find);
this.saveInTheBackground();
}
public removeDocument(find: DocumentRecord): void {
removeFromArray(this.documents, find);
this.saveInTheBackground();
}
public getLatestDocumentByRelativePath(
find: RelativePath
): DocumentRecord | undefined {
const candidates = this.documents.filter(
({ relativePath }) => relativePath === find
);
candidates.sort((a, b) => b.parallelVersion - a.parallelVersion); // descending
return candidates[0];
}
public getLatestDocumentByRelativePath(
find: RelativePath
): DocumentRecord | undefined {
const candidates = this.documents.filter(
({ relativePath }) => relativePath === find
);
candidates.sort((a, b) => b.parallelVersion - a.parallelVersion); // descending
return candidates[0];
}
public async getResolvedDocumentByRelativePath(
relativePath: RelativePath,
promise: Promise<unknown>
): Promise<DocumentRecord> {
const entry = this.getLatestDocumentByRelativePath(relativePath);
public async getResolvedDocumentByRelativePath(
relativePath: RelativePath,
promise: Promise<unknown>
): Promise<DocumentRecord> {
const entry = this.getLatestDocumentByRelativePath(relativePath);
if (entry === undefined) {
throw new Error(
`Document not found by relative path: ${relativePath}, ${JSON.stringify(
this.documents,
null,
2
)}`
);
}
if (entry === undefined) {
throw new Error(
`Document not found by relative path: ${relativePath}, ${JSON.stringify(
this.documents,
null,
2
)}`
);
}
const currentPromises = entry.updates;
entry.updates = [...currentPromises, promise];
await awaitAll(currentPromises);
const currentPromises = entry.updates;
entry.updates = [...currentPromises, promise];
await awaitAll(currentPromises);
return entry;
}
return entry;
}
public createNewPendingDocument(
documentId: DocumentId,
relativePath: RelativePath,
promise: Promise<unknown>
): DocumentRecord {
this.logger.debug(
`Creating new pending document: ${relativePath} (${documentId})`
);
const previousEntry =
this.getLatestDocumentByRelativePath(relativePath);
public createNewPendingDocument(
documentId: DocumentId,
relativePath: RelativePath,
promise: Promise<unknown>
): DocumentRecord {
this.logger.debug(
`Creating new pending document: ${relativePath} (${documentId})`
);
const previousEntry =
this.getLatestDocumentByRelativePath(relativePath);
const entry = {
relativePath,
documentId,
metadata: undefined,
isDeleted: false,
updates: [promise],
parallelVersion:
previousEntry?.parallelVersion === undefined
? 0
: previousEntry.parallelVersion + 1
};
const entry = {
relativePath,
documentId,
metadata: undefined,
isDeleted: false,
updates: [promise],
parallelVersion:
previousEntry?.parallelVersion === undefined
? 0
: previousEntry.parallelVersion + 1
};
this.documents.push(entry);
this.saveInTheBackground();
this.documents.push(entry);
this.saveInTheBackground();
return entry;
}
return entry;
}
public createNewEmptyDocument(
documentId: DocumentId,
parentVersionId: VaultUpdateId,
relativePath: RelativePath
): DocumentRecord {
const entry = {
relativePath,
documentId,
metadata: {
parentVersionId,
hash: EMPTY_HASH,
remoteRelativePath: relativePath
},
isDeleted: false,
updates: [],
parallelVersion: 0
};
public createNewEmptyDocument(
documentId: DocumentId,
parentVersionId: VaultUpdateId,
relativePath: RelativePath
): DocumentRecord {
const entry = {
relativePath,
documentId,
metadata: {
parentVersionId,
hash: EMPTY_HASH,
remoteRelativePath: relativePath
},
isDeleted: false,
updates: [],
parallelVersion: 0
};
this.documents.push(entry);
this.saveInTheBackground();
this.documents.push(entry);
this.saveInTheBackground();
return entry;
}
return entry;
}
public getDocumentByDocumentId(
find: DocumentId
): DocumentRecord | undefined {
return this.documents.find(({ documentId }) => documentId === find);
}
public getDocumentByDocumentId(
find: DocumentId
): DocumentRecord | undefined {
return this.documents.find(({ documentId }) => documentId === find);
}
public move(
oldRelativePath: RelativePath,
newRelativePath: RelativePath
): void {
const oldDocument =
this.getLatestDocumentByRelativePath(oldRelativePath);
public move(
oldRelativePath: RelativePath,
newRelativePath: RelativePath
): void {
const oldDocument =
this.getLatestDocumentByRelativePath(oldRelativePath);
if (oldDocument === undefined) {
return;
}
if (oldDocument === undefined) {
return;
}
const newDocument =
this.getLatestDocumentByRelativePath(newRelativePath);
if (newDocument?.isDeleted === false) {
throw new Error(
`Document already exists at new location: ${newRelativePath}`
);
}
const newDocument =
this.getLatestDocumentByRelativePath(newRelativePath);
if (newDocument?.isDeleted === false) {
throw new Error(
`Document already exists at new location: ${newRelativePath}`
);
}
oldDocument.relativePath = newRelativePath;
// We're in a strange state where the target of the move has just got deleted,
// however, its metadata might already have a bunch of updates queued up for
// the document at the new location. We need to keep these updates.
oldDocument.parallelVersion =
newDocument !== undefined ? newDocument.parallelVersion + 1 : 0;
oldDocument.relativePath = newRelativePath;
// We're in a strange state where the target of the move has just got deleted,
// however, its metadata might already have a bunch of updates queued up for
// the document at the new location. We need to keep these updates.
oldDocument.parallelVersion =
newDocument !== undefined ? newDocument.parallelVersion + 1 : 0;
this.saveInTheBackground();
}
this.saveInTheBackground();
}
public delete(relativePath: RelativePath): void {
const candidate = this.getLatestDocumentByRelativePath(relativePath);
if (candidate === undefined) {
throw new Error(
`Document not found by relative path: ${relativePath}`
);
}
candidate.isDeleted = true;
}
public delete(relativePath: RelativePath): void {
const candidate = this.getLatestDocumentByRelativePath(relativePath);
if (candidate === undefined) {
throw new Error(
`Document not found by relative path: ${relativePath}`
);
}
candidate.isDeleted = true;
}
public getHasInitialSyncCompleted(): boolean {
return this.hasInitialSyncCompleted;
}
public getHasInitialSyncCompleted(): boolean {
return this.hasInitialSyncCompleted;
}
public setHasInitialSyncCompleted(value: boolean): void {
this.hasInitialSyncCompleted = value;
this.saveInTheBackground();
}
public setHasInitialSyncCompleted(value: boolean): void {
this.hasInitialSyncCompleted = value;
this.saveInTheBackground();
}
public getLastSeenUpdateId(): VaultUpdateId {
return this.lastSeenUpdateIds.min;
}
public getLastSeenUpdateId(): VaultUpdateId {
return this.lastSeenUpdateIds.min;
}
public addSeenUpdateId(value: number): void {
const previousMin = this.lastSeenUpdateIds.min;
this.lastSeenUpdateIds.add(value);
if (previousMin !== this.lastSeenUpdateIds.min) {
this.saveInTheBackground();
}
}
public addSeenUpdateId(value: number): void {
const previousMin = this.lastSeenUpdateIds.min;
this.lastSeenUpdateIds.add(value);
if (previousMin !== this.lastSeenUpdateIds.min) {
this.saveInTheBackground();
}
}
public setLastSeenUpdateId(value: number): void {
this.lastSeenUpdateIds.min = value;
this.saveInTheBackground();
}
public setLastSeenUpdateId(value: number): void {
this.lastSeenUpdateIds.min = value;
this.saveInTheBackground();
}
public reset(): void {
this.documents = [];
this.lastSeenUpdateIds = new CoveredValues(
0 // the first updateId will be 1 which is the first integer after -1
);
this.hasInitialSyncCompleted = false;
this.saveInTheBackground();
}
public reset(): void {
this.documents = [];
this.lastSeenUpdateIds = new CoveredValues(
0 // the first updateId will be 1 which is the first integer after -1
);
this.hasInitialSyncCompleted = false;
this.saveInTheBackground();
}
public async save(): Promise<void> {
return this.saveData({
documents: this.resolvedDocuments.map(
({ relativePath, documentId, metadata }) => ({
documentId,
relativePath,
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
...metadata! // `resolvedDocuments` only returns docs with metadata set
})
),
lastSeenUpdateId: this.lastSeenUpdateIds.min,
hasInitialSyncCompleted: this.hasInitialSyncCompleted
});
}
public async save(): Promise<void> {
return this.saveData({
documents: this.resolvedDocuments.map(
({ relativePath, documentId, metadata }) => ({
documentId,
relativePath,
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
...metadata! // `resolvedDocuments` only returns docs with metadata set
})
),
lastSeenUpdateId: this.lastSeenUpdateIds.min,
hasInitialSyncCompleted: this.hasInitialSyncCompleted
});
}
private ensureConsistency(): void {
const idToPath = new Map<string, string[]>();
private ensureConsistency(): void {
const idToPath = new Map<string, string[]>();
this.resolvedDocuments.forEach(({ relativePath, documentId }) => {
idToPath.set(documentId, [
...(idToPath.get(documentId) ?? []),
relativePath
]);
});
this.resolvedDocuments.forEach(({ relativePath, documentId }) => {
idToPath.set(documentId, [
...(idToPath.get(documentId) ?? []),
relativePath
]);
});
const duplicates = Array.from(idToPath.entries())
.filter(([_, paths]) => paths.length > 1)
.map(([id, paths]) => `${id} (${paths.join(", ")})`);
const duplicates = Array.from(idToPath.entries())
.filter(([_, paths]) => paths.length > 1)
.map(([id, paths]) => `${id} (${paths.join(", ")})`);
if (duplicates.length > 0) {
throw new Error(
"Document IDs are not unique, found duplicates: " +
duplicates.join("; ")
);
}
}
if (duplicates.length > 0) {
throw new Error(
"Document IDs are not unique, found duplicates: " +
duplicates.join("; ")
);
}
}
private saveInTheBackground(): void {
this.ensureConsistency();
void this.save().catch((error: unknown) => {
this.logger.error(`Error saving data: ${error}`);
});
}
private saveInTheBackground(): void {
this.ensureConsistency();
void this.save().catch((error: unknown) => {
this.logger.error(`Error saving data: ${error}`);
});
}
}

4
frontend/sync-client/src/persistence/persistence.ts
View file

@ -1,4 +1,4 @@
export interface PersistenceProvider<T> {
load: () => Promise<T | undefined>;
save: (data: T) => Promise<void>;
load: () => Promise<T | undefined>;
save: (data: T) => Promise<void>;
}

8
frontend/sync-client/src/services/authentication-error.ts
View file

@ -1,6 +1,6 @@
export class AuthenticationError extends Error {
public constructor(message: string) {
super(message);
this.name = "AuthenticationError";
}
public constructor(message: string) {
super(message);
this.name = "AuthenticationError";
}
}

274
frontend/sync-client/src/services/fetch-controller.test.ts
View file

@ -7,171 +7,171 @@ import { SyncResetError } from "./sync-reset-error";
import { sleep } from "../utils/sleep";
describe("FetchController", () => {
const createMockFetch = (
shouldSleep: boolean
): Mock<() => Promise<Response>> =>
mock.fn(async () => {
if (shouldSleep) {
await sleep(30);
}
return Promise.resolve(new Response("OK", { status: 200 }));
});
const createMockFetch = (
shouldSleep: boolean
): Mock<() => Promise<Response>> =>
mock.fn(async () => {
if (shouldSleep) {
await sleep(30);
}
return Promise.resolve(new Response("OK", { status: 200 }));
});
beforeEach(() => {
mock.timers.enable({ apis: ["setTimeout"] });
});
beforeEach(() => {
mock.timers.enable({ apis: ["setTimeout"] });
});
afterEach(() => {
mock.timers.reset();
});
afterEach(() => {
mock.timers.reset();
});
it("should allow fetch when canFetch is true", async () => {
const logger = new Logger();
const controller = new FetchController(true, logger);
const mockFetch = createMockFetch(false);
const controlledFetch = controller.getControlledFetchImplementation(
logger,
mockFetch
);
it("should allow fetch when canFetch is true", async () => {
const logger = new Logger();
const controller = new FetchController(true, logger);
const mockFetch = createMockFetch(false);
const controlledFetch = controller.getControlledFetchImplementation(
logger,
mockFetch
);
const response = await controlledFetch("http://example.com");
const response = await controlledFetch("http://example.com");
assert.strictEqual(await response.text(), "OK");
assert.strictEqual(mockFetch.mock.calls.length, 1);
});
assert.strictEqual(await response.text(), "OK");
assert.strictEqual(mockFetch.mock.calls.length, 1);
});
it("should block fetch until canFetch becomes true", async () => {
const logger = new Logger();
const controller = new FetchController(false, logger);
const mockFetch = createMockFetch(true);
const controlledFetch = controller.getControlledFetchImplementation(
logger,
mockFetch
);
it("should block fetch until canFetch becomes true", async () => {
const logger = new Logger();
const controller = new FetchController(false, logger);
const mockFetch = createMockFetch(true);
const controlledFetch = controller.getControlledFetchImplementation(
logger,
mockFetch
);
const fetchPromise = controlledFetch("http://example.com");
assert.strictEqual(mockFetch.mock.calls.length, 0);
const fetchPromise = controlledFetch("http://example.com");
assert.strictEqual(mockFetch.mock.calls.length, 0);
controller.canFetch = true;
await Promise.resolve();
mock.timers.tick(30);
controller.canFetch = true;
await Promise.resolve();
mock.timers.tick(30);
const response = await fetchPromise;
assert.strictEqual(await response.text(), "OK");
assert.strictEqual(mockFetch.mock.calls.length, 1);
});
const response = await fetchPromise;
assert.strictEqual(await response.text(), "OK");
assert.strictEqual(mockFetch.mock.calls.length, 1);
});
it("should reject during reset", async () => {
const logger = new Logger();
const controller = new FetchController(true, logger);
const mockFetch = createMockFetch(true);
const controlledFetch = controller.getControlledFetchImplementation(
logger,
mockFetch
);
it("should reject during reset", async () => {
const logger = new Logger();
const controller = new FetchController(true, logger);
const mockFetch = createMockFetch(true);
const controlledFetch = controller.getControlledFetchImplementation(
logger,
mockFetch
);
const firstRequest = controlledFetch("http://example.com");
assert.strictEqual(mockFetch.mock.calls.length, 1);
const firstRequest = controlledFetch("http://example.com");
assert.strictEqual(mockFetch.mock.calls.length, 1);
controller.startReset();
controller.startReset();
const secondRequest = controlledFetch("http://example.com");
const secondRequest = controlledFetch("http://example.com");
await assert.rejects(
firstRequest,
(error: unknown) => error instanceof SyncResetError
);
await assert.rejects(
secondRequest,
(error: unknown) => error instanceof SyncResetError
);
assert.strictEqual(mockFetch.mock.calls.length, 1);
});
await assert.rejects(
firstRequest,
(error: unknown) => error instanceof SyncResetError
);
await assert.rejects(
secondRequest,
(error: unknown) => error instanceof SyncResetError
);
assert.strictEqual(mockFetch.mock.calls.length, 1);
});
it("should allow fetch after reset finishes", async () => {
const logger = new Logger();
const controller = new FetchController(true, logger);
const mockFetch = createMockFetch(false);
const controlledFetch = controller.getControlledFetchImplementation(
logger,
mockFetch
);
it("should allow fetch after reset finishes", async () => {
const logger = new Logger();
const controller = new FetchController(true, logger);
const mockFetch = createMockFetch(false);
const controlledFetch = controller.getControlledFetchImplementation(
logger,
mockFetch
);
controller.startReset();
controller.finishReset();
controller.startReset();
controller.finishReset();
const response = await controlledFetch("http://example.com");
assert.strictEqual(await response.text(), "OK");
});
const response = await controlledFetch("http://example.com");
assert.strictEqual(await response.text(), "OK");
});
it("should defer canFetch changes during reset", async () => {
const logger = new Logger();
const controller = new FetchController(false, logger);
const mockFetch = createMockFetch(true);
const controlledFetch = controller.getControlledFetchImplementation(
logger,
mockFetch
);
it("should defer canFetch changes during reset", async () => {
const logger = new Logger();
const controller = new FetchController(false, logger);
const mockFetch = createMockFetch(true);
const controlledFetch = controller.getControlledFetchImplementation(
logger,
mockFetch
);
controller.startReset();
controller.canFetch = true;
controller.startReset();
controller.canFetch = true;
await assert.rejects(
async () => controlledFetch("http://example.com"),
(error: unknown) => error instanceof SyncResetError
);
await assert.rejects(
async () => controlledFetch("http://example.com"),
(error: unknown) => error instanceof SyncResetError
);
controller.finishReset();
controller.finishReset();
const fetchPromise = controlledFetch("http://example.com");
mock.timers.tick(30);
const fetchPromise = controlledFetch("http://example.com");
mock.timers.tick(30);
const response = await fetchPromise;
assert.strictEqual(await response.text(), "OK");
});
const response = await fetchPromise;
assert.strictEqual(await response.text(), "OK");
});
it("should handle different input types", async () => {
const logger = new Logger();
const controller = new FetchController(true, logger);
const mockFetch = createMockFetch(false);
const controlledFetch = controller.getControlledFetchImplementation(
logger,
mockFetch
);
it("should handle different input types", async () => {
const logger = new Logger();
const controller = new FetchController(true, logger);
const mockFetch = createMockFetch(false);
const controlledFetch = controller.getControlledFetchImplementation(
logger,
mockFetch
);
await controlledFetch("http://example.com");
await controlledFetch(new URL("http://example.com"));
await controlledFetch(
new Request("http://example.com", { method: "POST" })
);
await controlledFetch("http://example.com");
await controlledFetch(new URL("http://example.com"));
await controlledFetch(
new Request("http://example.com", { method: "POST" })
);
assert.strictEqual(mockFetch.mock.calls.length, 3);
});
assert.strictEqual(mockFetch.mock.calls.length, 3);
});
it("should handle fetch errors", async () => {
const logger = new Logger();
const controller = new FetchController(true, logger);
const mockFetch = mock.fn(async () => {
throw new Error("Network error");
});
const controlledFetch = controller.getControlledFetchImplementation(
logger,
mockFetch
);
it("should handle fetch errors", async () => {
const logger = new Logger();
const controller = new FetchController(true, logger);
const mockFetch = mock.fn(async () => {
throw new Error("Network error");
});
const controlledFetch = controller.getControlledFetchImplementation(
logger,
mockFetch
);
await assert.rejects(
async () => controlledFetch("http://example.com"),
(error: unknown) =>
error instanceof Error && error.message === "Network error"
);
});
await assert.rejects(
async () => controlledFetch("http://example.com"),
(error: unknown) =>
error instanceof Error && error.message === "Network error"
);
});
it("should not create unhandled rejection on reset with no waiting fetches", async () => {
const logger = new Logger();
const controller = new FetchController(true, logger);
it("should not create unhandled rejection on reset with no waiting fetches", async () => {
const logger = new Logger();
const controller = new FetchController(true, logger);
controller.startReset();
mock.timers.tick(10);
controller.finishReset();
});
controller.startReset();
mock.timers.tick(10);
controller.finishReset();
});
});

244
frontend/sync-client/src/services/fetch-controller.ts
View file

@ -7,143 +7,143 @@ import { SyncResetError } from "./sync-reset-error";
* and aborts outstanding requests when a reset is started.
*/
export class FetchController {
private static readonly UNTIL_RESOLUTION = Symbol();
private static readonly UNTIL_RESOLUTION = Symbol();
private isResetting = false;
private isResetting = false;
// Promise resolves on the next state change: sync enabled/disabled or reset started/ended
private until: Promise<symbol>;
private resolveUntil: (result: symbol) => unknown;
private rejectUntil: (reason: unknown) => unknown;
// Promise resolves on the next state change: sync enabled/disabled or reset started/ended
private until: Promise<symbol>;
private resolveUntil: (result: symbol) => unknown;
private rejectUntil: (reason: unknown) => unknown;
public constructor(
private _canFetch: boolean,
private readonly logger: Logger
) {
[this.until, this.resolveUntil, this.rejectUntil] =
createPromise<symbol>();
}
public constructor(
private _canFetch: boolean,
private readonly logger: Logger
) {
[this.until, this.resolveUntil, this.rejectUntil] =
createPromise<symbol>();
}
/**
* Whether the fetch implementation can immediately send requests once outside of a reset.
*/
public get canFetch(): boolean {
return this._canFetch;
}
/**
* Whether the fetch implementation can immediately send requests once outside of a reset.
*/
public get canFetch(): boolean {
return this._canFetch;
}
/**
* Allow or disallow fetching. The changes only take effect if not resetting.
* When called during a reset, its effect is deferred until the reset is finished.
*
* @param canFetch Whether fetching is enabled
*/
public set canFetch(canFetch: boolean) {
this._canFetch = canFetch;
/**
* Allow or disallow fetching. The changes only take effect if not resetting.
* When called during a reset, its effect is deferred until the reset is finished.
*
* @param canFetch Whether fetching is enabled
*/
public set canFetch(canFetch: boolean) {
this._canFetch = canFetch;
if (!this.isResetting) {
const previousResolve = this.resolveUntil;
[this.until, this.resolveUntil, this.rejectUntil] =
createPromise<symbol>();
previousResolve(FetchController.UNTIL_RESOLUTION);
}
}
if (!this.isResetting) {
const previousResolve = this.resolveUntil;
[this.until, this.resolveUntil, this.rejectUntil] =
createPromise<symbol>();
previousResolve(FetchController.UNTIL_RESOLUTION);
}
}
private static getUrlFromInput(input: RequestInfo | URL): string {
if (input instanceof URL) {
return input.href;
}
if (typeof input === "string") {
return input;
}
return input.url;
}
private static getUrlFromInput(input: RequestInfo | URL): string {
if (input instanceof URL) {
return input.href;
}
if (typeof input === "string") {
return input;
}
return input.url;
}
/**
* Starts a reset, causing all ongoing and future fetches to be rejected
* with a SyncResetError until finishReset is called.
*/
public startReset(): void {
this.isResetting = true;
this.rejectUntil(new SyncResetError());
// Catch unhandled rejection if no fetches are waiting
this.until.catch(() => {
// Intentionally ignore - this rejection is handled by waiting fetches
});
}
/**
* Starts a reset, causing all ongoing and future fetches to be rejected
* with a SyncResetError until finishReset is called.
*/
public startReset(): void {
this.isResetting = true;
this.rejectUntil(new SyncResetError());
// Catch unhandled rejection if no fetches are waiting
this.until.catch(() => {
// Intentionally ignore - this rejection is handled by waiting fetches
});
}
/**
* Finishes a reset, allowing fetches to proceed or wait again depending on
* the current sync settings.
*/
public finishReset(): void {
if (!this.isResetting) {
return;
}
/**
* Finishes a reset, allowing fetches to proceed or wait again depending on
* the current sync settings.
*/
public finishReset(): void {
if (!this.isResetting) {
return;
}
this.isResetting = false;
[this.until, this.resolveUntil, this.rejectUntil] = createPromise();
}
this.isResetting = false;
[this.until, this.resolveUntil, this.rejectUntil] = createPromise();
}
/**
*
* |------------------|---------------|-----------------------------------------------------|
* | | Sync enabled | Sync disabled |
* |------------------|-------------- |-----------------------------------------------------|
* | During reset | Rejects with SyncResetError without sending request |
* |------------------|-------------- |-----------------------------------------------------|
* | Outside of reset | Same as fetch | Blocks until sync is enabled and then same as fetch |
* |------------------|---------------|-----------------------------------------------------|
*
* @param logger for errors
* @param fetch to wrap
* @returns a wrapped fetch implementation affected by the FetchController state
*/
public getControlledFetchImplementation(
logger: Logger,
fetch: typeof globalThis.fetch = globalThis.fetch
): typeof globalThis.fetch {
return async (
input: RequestInfo | URL,
init?: RequestInit
): Promise<Response> => {
while (!this.canFetch || this.isResetting) {
await this.until;
}
/**
*
* |------------------|---------------|-----------------------------------------------------|
* | | Sync enabled | Sync disabled |
* |------------------|-------------- |-----------------------------------------------------|
* | During reset | Rejects with SyncResetError without sending request |
* |------------------|-------------- |-----------------------------------------------------|
* | Outside of reset | Same as fetch | Blocks until sync is enabled and then same as fetch |
* |------------------|---------------|-----------------------------------------------------|
*
* @param logger for errors
* @param fetch to wrap
* @returns a wrapped fetch implementation affected by the FetchController state
*/
public getControlledFetchImplementation(
logger: Logger,
fetch: typeof globalThis.fetch = globalThis.fetch
): typeof globalThis.fetch {
return async (
input: RequestInfo | URL,
init?: RequestInit
): Promise<Response> => {
while (!this.canFetch || this.isResetting) {
await this.until;
}
try {
// https://github.com/jonbern/fetch-retry/blob/8684ef4e688375f623bd76f13add76dbc1d67cfb/index.js#L67C1-L70C21
const _input =
typeof Request !== "undefined" && input instanceof Request
? input.clone()
: input;
try {
// https://github.com/jonbern/fetch-retry/blob/8684ef4e688375f623bd76f13add76dbc1d67cfb/index.js#L67C1-L70C21
const _input =
typeof Request !== "undefined" && input instanceof Request
? input.clone()
: input;
const fetchPromise = fetch(_input, init);
const fetchPromise = fetch(_input, init);
// We only want to catch rejections from `this.until`
let result: symbol | Response | undefined = undefined;
do {
result = await Promise.race([this.until, fetchPromise]);
} while (result === FetchController.UNTIL_RESOLUTION);
// We only want to catch rejections from `this.until`
let result: symbol | Response | undefined = undefined;
do {
result = await Promise.race([this.until, fetchPromise]);
} while (result === FetchController.UNTIL_RESOLUTION);
const fetchResult: Response = result as Response; // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
const fetchResult: Response = result as Response; // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
if (!fetchResult.ok) {
this.logger.warn(
`Fetch for ${FetchController.getUrlFromInput(
input
)}, got status ${fetchResult.status}`
);
}
if (!fetchResult.ok) {
this.logger.warn(
`Fetch for ${FetchController.getUrlFromInput(
input
)}, got status ${fetchResult.status}`
);
}
return fetchResult;
} catch (error) {
logger.warn(
`Fetch for ${FetchController.getUrlFromInput(
input
)}, got error: ${error}`
);
throw error;
}
};
}
return fetchResult;
} catch (error) {
logger.warn(
`Fetch for ${FetchController.getUrlFromInput(
input
)}, got error: ${error}`
);
throw error;
}
};
}
}

130
frontend/sync-client/src/services/server-config.ts
View file

@ -5,83 +5,83 @@ import type { SyncService } from "./sync-service";
import type { PingResponse } from "./types/PingResponse";
export interface ServerConfigData {
mergeableFileExtensions: string[];
supportedApiVersion: number;
isAuthenticated: boolean;
mergeableFileExtensions: string[];
supportedApiVersion: number;
isAuthenticated: boolean;
}
export class ServerConfig {
private response: Promise<PingResponse> | undefined;
private config: ServerConfigData | undefined;
private response: Promise<PingResponse> | undefined;
private config: ServerConfigData | undefined;
public constructor(private readonly syncService: SyncService) {}
public constructor(private readonly syncService: SyncService) {}
public async initialize(): Promise<void> {
this.response = this.syncService.ping();
this.config = await this.response;
public async initialize(): Promise<void> {
this.response = this.syncService.ping();
this.config = await this.response;
if (this.config.supportedApiVersion !== SUPPORTED_API_VERSION) {
const shouldUpgradeClient =
this.config.supportedApiVersion > SUPPORTED_API_VERSION;
throw new ServerVersionMismatchError(
`Unsupported API version: ${this.config.supportedApiVersion}. Consider upgrading the ${
shouldUpgradeClient ? "client" : "sync-server"
} to ensure compatibility.`
);
}
if (this.config.supportedApiVersion !== SUPPORTED_API_VERSION) {
const shouldUpgradeClient =
this.config.supportedApiVersion > SUPPORTED_API_VERSION;
throw new ServerVersionMismatchError(
`Unsupported API version: ${this.config.supportedApiVersion}. Consider upgrading the ${
shouldUpgradeClient ? "client" : "sync-server"
} to ensure compatibility.`
);
}
if (!this.config.isAuthenticated) {
throw new AuthenticationError(
"Failed to authenticate with the sync-server."
);
}
}
if (!this.config.isAuthenticated) {
throw new AuthenticationError(
"Failed to authenticate with the sync-server."
);
}
}
public async checkConnection(forceUpdate = false): Promise<{
isSuccessful: boolean;
message: string;
}> {
try {
let { response } = this;
if (!response && !forceUpdate) {
throw new Error("ServerConfig not initialized");
} else if (forceUpdate) {
response = this.response = this.syncService.ping();
}
public async checkConnection(forceUpdate = false): Promise<{
isSuccessful: boolean;
message: string;
}> {
try {
let { response } = this;
if (!response && !forceUpdate) {
throw new Error("ServerConfig not initialized");
} else if (forceUpdate) {
response = this.response = this.syncService.ping();
}
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
const result: PingResponse = (await response)!; // it must be defined, otherwise we would have thrown above
this.config = result;
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
const result: PingResponse = (await response)!; // it must be defined, otherwise we would have thrown above
this.config = result;
if (result.isAuthenticated) {
return {
isSuccessful: true,
message: `Successfully connected to server (version: ${result.serverVersion}) and authenticated`
};
}
if (result.isAuthenticated) {
return {
isSuccessful: true,
message: `Successfully connected to server (version: ${result.serverVersion}) and authenticated`
};
}
return {
isSuccessful: false,
message: `Successfully connected to server (version: ${result.serverVersion}) but failed to authenticate`
};
} catch (e) {
return {
isSuccessful: false,
message: `Failed to connect to server: ${e}`
};
}
}
return {
isSuccessful: false,
message: `Successfully connected to server (version: ${result.serverVersion}) but failed to authenticate`
};
} catch (e) {
return {
isSuccessful: false,
message: `Failed to connect to server: ${e}`
};
}
}
public getConfig(): ServerConfigData {
if (!this.config) {
throw new Error("ServerConfig not initialized");
}
public getConfig(): ServerConfigData {
if (!this.config) {
throw new Error("ServerConfig not initialized");
}
return this.config;
}
return this.config;
}
public reset(): void {
this.response = undefined;
this.config = undefined;
}
public reset(): void {
this.response = undefined;
this.config = undefined;
}
}

8
frontend/sync-client/src/services/server-version-mismatch-error.ts
View file

@ -1,6 +1,6 @@
export class ServerVersionMismatchError extends Error {
public constructor(message: string) {
super(message);
this.name = "ServerVersionMismatchError";
}
public constructor(message: string) {
super(message);
this.name = "ServerVersionMismatchError";
}
}

8
frontend/sync-client/src/services/sync-reset-error.ts
View file

@ -1,6 +1,6 @@
export class SyncResetError extends Error {
public constructor() {
super("SyncClient has been reset, cleaning up");
this.name = "SyncResetError";
}
public constructor() {
super("SyncClient has been reset, cleaning up");
this.name = "SyncResetError";
}
}

712
frontend/sync-client/src/services/sync-service.ts
View file

@ -1,7 +1,7 @@
import type {
DocumentId,
RelativePath,
VaultUpdateId
DocumentId,
RelativePath,
VaultUpdateId
} from "../persistence/database";
import type { Logger } from "../tracing/logger";
@ -19,416 +19,416 @@ import type { DeleteDocumentVersion } from "./types/DeleteDocumentVersion";
import type { UpdateTextDocumentVersion } from "./types/UpdateTextDocumentVersion";
export class SyncService {
private readonly client: typeof globalThis.fetch;
private readonly pingClient: typeof globalThis.fetch;
private readonly client: typeof globalThis.fetch;
private readonly pingClient: typeof globalThis.fetch;
public constructor(
private readonly deviceId: string,
private readonly fetchController: FetchController,
private readonly settings: Settings,
private readonly logger: Logger,
fetchImplementation: typeof globalThis.fetch = globalThis.fetch
) {
// ensure that if it's called a method, `this` won't be bound to the instance
const unboundFetch: typeof globalThis.fetch = async (...args) =>
fetchImplementation(...args);
public constructor(
private readonly deviceId: string,
private readonly fetchController: FetchController,
private readonly settings: Settings,
private readonly logger: Logger,
fetchImplementation: typeof globalThis.fetch = globalThis.fetch
) {
// ensure that if it's called a method, `this` won't be bound to the instance
const unboundFetch: typeof globalThis.fetch = async (...args) =>
fetchImplementation(...args);
this.client = this.fetchController.getControlledFetchImplementation(
this.logger,
unboundFetch
);
this.pingClient = unboundFetch;
}
this.client = this.fetchController.getControlledFetchImplementation(
this.logger,
unboundFetch
);
this.pingClient = unboundFetch;
}
private static async errorFromResponse(
response: Response
): Promise<string> {
if (
response.headers
.get("Content-Type")
?.includes("application/json") == true
) {
const result: SerializedError =
(await response.json()) as SerializedError; // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
return SyncService.formatError(result);
}
return `HTTP ${response.status}: ${response.statusText}`;
}
private static async errorFromResponse(
response: Response
): Promise<string> {
if (
response.headers
.get("Content-Type")
?.includes("application/json") == true
) {
const result: SerializedError =
(await response.json()) as SerializedError; // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
return SyncService.formatError(result);
}
return `HTTP ${response.status}: ${response.statusText}`;
}
private static formatError(error: SerializedError): string {
let result = error.message;
if (error.causes.length > 0) {
const causes = error.causes.join(", ");
result += ` caused by: ${causes}`;
}
private static formatError(error: SerializedError): string {
let result = error.message;
if (error.causes.length > 0) {
const causes = error.causes.join(", ");
result += ` caused by: ${causes}`;
}
return result;
}
return result;
}
public async create({
documentId,
relativePath,
contentBytes
}: {
documentId?: DocumentId;
relativePath: RelativePath;
contentBytes: Uint8Array;
}): Promise<DocumentVersionWithoutContent> {
return this.retryForever(async () => {
const formData = new FormData();
if (documentId !== undefined) {
formData.append("document_id", documentId);
}
formData.append("relative_path", relativePath);
formData.append(
"content",
new Blob([new Uint8Array(contentBytes)])
);
public async create({
documentId,
relativePath,
contentBytes
}: {
documentId?: DocumentId;
relativePath: RelativePath;
contentBytes: Uint8Array;
}): Promise<DocumentVersionWithoutContent> {
return this.retryForever(async () => {
const formData = new FormData();
if (documentId !== undefined) {
formData.append("document_id", documentId);
}
formData.append("relative_path", relativePath);
formData.append(
"content",
new Blob([new Uint8Array(contentBytes)])
);
this.logger.debug(
`Creating document with id ${documentId} and relative path ${relativePath}`
);
this.logger.debug(
`Creating document with id ${documentId} and relative path ${relativePath}`
);
const response = await this.client(this.getUrl("/documents"), {
method: "POST",
body: formData,
headers: this.getDefaultHeaders()
});
const response = await this.client(this.getUrl("/documents"), {
method: "POST",
body: formData,
headers: this.getDefaultHeaders()
});
if (!response.ok) {
throw new Error(
`Failed to create document: ${await SyncService.errorFromResponse(
response
)}`
);
}
if (!response.ok) {
throw new Error(
`Failed to create document: ${await SyncService.errorFromResponse(
response
)}`
);
}
const result: DocumentVersionWithoutContent =
(await response.json()) as DocumentVersionWithoutContent; // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
const result: DocumentVersionWithoutContent =
(await response.json()) as DocumentVersionWithoutContent; // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
this.logger.debug(`Created document ${JSON.stringify(result)}`);
this.logger.debug(`Created document ${JSON.stringify(result)}`);
return result;
});
}
return result;
});
}
public async putText({
parentVersionId,
documentId,
relativePath,
content
}: {
parentVersionId: VaultUpdateId;
documentId: DocumentId;
relativePath: RelativePath;
content: (number | string)[];
}): Promise<DocumentUpdateResponse> {
return this.retryForever(async () => {
this.logger.debug(
`Updating text document ${documentId} with parent version ${parentVersionId} and relative path ${relativePath}, content [${content.join(", ")}]`
);
public async putText({
parentVersionId,
documentId,
relativePath,
content
}: {
parentVersionId: VaultUpdateId;
documentId: DocumentId;
relativePath: RelativePath;
content: (number | string)[];
}): Promise<DocumentUpdateResponse> {
return this.retryForever(async () => {
this.logger.debug(
`Updating text document ${documentId} with parent version ${parentVersionId} and relative path ${relativePath}, content [${content.join(", ")}]`
);
const request: UpdateTextDocumentVersion = {
parentVersionId,
relativePath,
content
};
const request: UpdateTextDocumentVersion = {
parentVersionId,
relativePath,
content
};
const response = await this.client(
this.getUrl(`/documents/${documentId}/text`),
{
method: "PUT",
body: JSON.stringify(request),
headers: this.getDefaultHeaders({ type: "json" })
}
);
const response = await this.client(
this.getUrl(`/documents/${documentId}/text`),
{
method: "PUT",
body: JSON.stringify(request),
headers: this.getDefaultHeaders({ type: "json" })
}
);
if (!response.ok) {
throw new Error(
`Failed to update document: ${await SyncService.errorFromResponse(
response
)}`
);
}
if (!response.ok) {
throw new Error(
`Failed to update document: ${await SyncService.errorFromResponse(
response
)}`
);
}
const result: DocumentUpdateResponse =
(await response.json()) as DocumentUpdateResponse; // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
const result: DocumentUpdateResponse =
(await response.json()) as DocumentUpdateResponse; // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
this.logger.debug(
`Updated document ${JSON.stringify(result)} with id ${
result.documentId
}}`
);
this.logger.debug(
`Updated document ${JSON.stringify(result)} with id ${
result.documentId
}}`
);
return result;
});
}
return result;
});
}
public async putBinary({
parentVersionId,
documentId,
relativePath,
contentBytes
}: {
parentVersionId: VaultUpdateId;
documentId: DocumentId;
relativePath: RelativePath;
contentBytes: Uint8Array;
}): Promise<DocumentUpdateResponse> {
return this.retryForever(async () => {
this.logger.debug(
`Updating binary document ${documentId} with parent version ${parentVersionId} and relative path ${relativePath}`
);
const formData = new FormData();
formData.append("parent_version_id", parentVersionId.toString());
formData.append("relative_path", relativePath);
formData.append(
"content",
new Blob([new Uint8Array(contentBytes)])
);
public async putBinary({
parentVersionId,
documentId,
relativePath,
contentBytes
}: {
parentVersionId: VaultUpdateId;
documentId: DocumentId;
relativePath: RelativePath;
contentBytes: Uint8Array;
}): Promise<DocumentUpdateResponse> {
return this.retryForever(async () => {
this.logger.debug(
`Updating binary document ${documentId} with parent version ${parentVersionId} and relative path ${relativePath}`
);
const formData = new FormData();
formData.append("parent_version_id", parentVersionId.toString());
formData.append("relative_path", relativePath);
formData.append(
"content",
new Blob([new Uint8Array(contentBytes)])
);
const response = await this.client(
this.getUrl(`/documents/${documentId}/binary`),
{
method: "PUT",
body: formData,
headers: this.getDefaultHeaders()
}
);
const response = await this.client(
this.getUrl(`/documents/${documentId}/binary`),
{
method: "PUT",
body: formData,
headers: this.getDefaultHeaders()
}
);
if (!response.ok) {
throw new Error(
`Failed to update document: ${await SyncService.errorFromResponse(
response
)}`
);
}
if (!response.ok) {
throw new Error(
`Failed to update document: ${await SyncService.errorFromResponse(
response
)}`
);
}
const result: DocumentUpdateResponse =
(await response.json()) as DocumentUpdateResponse; // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
const result: DocumentUpdateResponse =
(await response.json()) as DocumentUpdateResponse; // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
this.logger.debug(
`Updated document ${JSON.stringify(result)} with id ${
result.documentId
}}`
);
this.logger.debug(
`Updated document ${JSON.stringify(result)} with id ${
result.documentId
}}`
);
return result;
});
}
return result;
});
}
public async delete({
documentId,
relativePath
}: {
documentId: DocumentId;
relativePath: RelativePath;
}): Promise<DocumentVersionWithoutContent> {
return this.retryForever(async () => {
const request: DeleteDocumentVersion = {
relativePath
};
public async delete({
documentId,
relativePath
}: {
documentId: DocumentId;
relativePath: RelativePath;
}): Promise<DocumentVersionWithoutContent> {
return this.retryForever(async () => {
const request: DeleteDocumentVersion = {
relativePath
};
this.logger.debug(
`Delete document with id ${documentId} and relative path ${relativePath}`
);
this.logger.debug(
`Delete document with id ${documentId} and relative path ${relativePath}`
);
const response = await this.client(
this.getUrl(`/documents/${documentId}`),
{
method: "DELETE",
body: JSON.stringify(request),
headers: this.getDefaultHeaders({ type: "json" })
}
);
const response = await this.client(
this.getUrl(`/documents/${documentId}`),
{
method: "DELETE",
body: JSON.stringify(request),
headers: this.getDefaultHeaders({ type: "json" })
}
);
if (!response.ok) {
throw new Error(
`Failed to delete document: ${await SyncService.errorFromResponse(
response
)}`
);
}
if (!response.ok) {
throw new Error(
`Failed to delete document: ${await SyncService.errorFromResponse(
response
)}`
);
}
const result: DocumentVersionWithoutContent =
(await response.json()) as DocumentVersionWithoutContent; // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
const result: DocumentVersionWithoutContent =
(await response.json()) as DocumentVersionWithoutContent; // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
this.logger.debug(
`Deleted document ${relativePath} with id ${documentId}`
);
this.logger.debug(
`Deleted document ${relativePath} with id ${documentId}`
);
return result;
});
}
return result;
});
}
public async get({
documentId
}: {
documentId: DocumentId;
}): Promise<DocumentVersion> {
return this.retryForever(async () => {
this.logger.debug(`Getting document with id ${documentId}`);
public async get({
documentId
}: {
documentId: DocumentId;
}): Promise<DocumentVersion> {
return this.retryForever(async () => {
this.logger.debug(`Getting document with id ${documentId}`);
const response = await this.client(
this.getUrl(`/documents/${documentId}`),
{
headers: this.getDefaultHeaders()
}
);
const response = await this.client(
this.getUrl(`/documents/${documentId}`),
{
headers: this.getDefaultHeaders()
}
);
if (!response.ok) {
throw new Error(
`Failed to get document: ${await SyncService.errorFromResponse(
response
)}`
);
}
if (!response.ok) {
throw new Error(
`Failed to get document: ${await SyncService.errorFromResponse(
response
)}`
);
}
const result: DocumentVersion =
(await response.json()) as DocumentVersion; // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
const result: DocumentVersion =
(await response.json()) as DocumentVersion; // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
this.logger.debug(`Got document ${JSON.stringify(result)}`);
this.logger.debug(`Got document ${JSON.stringify(result)}`);
return result;
});
}
return result;
});
}
public async getDocumentVersionContent({
documentId,
vaultUpdateId
}: {
documentId: DocumentId;
vaultUpdateId: VaultUpdateId;
}): Promise<Uint8Array> {
return this.retryForever(async () => {
this.logger.debug(
`Getting document with id ${documentId} and version ${vaultUpdateId}`
);
public async getDocumentVersionContent({
documentId,
vaultUpdateId
}: {
documentId: DocumentId;
vaultUpdateId: VaultUpdateId;
}): Promise<Uint8Array> {
return this.retryForever(async () => {
this.logger.debug(
`Getting document with id ${documentId} and version ${vaultUpdateId}`
);
const response = await this.client(
this.getUrl(
`/documents/${documentId}/versions/${vaultUpdateId}/content`
),
{
headers: this.getDefaultHeaders()
}
);
const response = await this.client(
this.getUrl(
`/documents/${documentId}/versions/${vaultUpdateId}/content`
),
{
headers: this.getDefaultHeaders()
}
);
if (!response.ok) {
throw new Error(
`Failed to get document: ${await SyncService.errorFromResponse(
response
)}`
);
}
if (!response.ok) {
throw new Error(
`Failed to get document: ${await SyncService.errorFromResponse(
response
)}`
);
}
const result = await response.bytes();
this.logger.debug(
`Got document version content for document ${documentId} version ${vaultUpdateId}`
);
return result;
});
}
const result = await response.bytes();
this.logger.debug(
`Got document version content for document ${documentId} version ${vaultUpdateId}`
);
return result;
});
}
public async getAll(
since?: VaultUpdateId
): Promise<FetchLatestDocumentsResponse> {
return this.retryForever(async () => {
this.logger.debug(
"Getting all documents" +
(since != null ? ` since ${since}` : "")
);
public async getAll(
since?: VaultUpdateId
): Promise<FetchLatestDocumentsResponse> {
return this.retryForever(async () => {
this.logger.debug(
"Getting all documents" +
(since != null ? ` since ${since}` : "")
);
const url = new URL(this.getUrl("/documents"));
if (since !== undefined) {
url.searchParams.append("since", since.toString());
}
const response = await this.client(url.toString(), {
headers: this.getDefaultHeaders()
});
const url = new URL(this.getUrl("/documents"));
if (since !== undefined) {
url.searchParams.append("since", since.toString());
}
const response = await this.client(url.toString(), {
headers: this.getDefaultHeaders()
});
if (!response.ok) {
throw new Error(
`Failed to get documents: ${await SyncService.errorFromResponse(
response
)}`
);
}
if (!response.ok) {
throw new Error(
`Failed to get documents: ${await SyncService.errorFromResponse(
response
)}`
);
}
const result: FetchLatestDocumentsResponse =
(await response.json()) as FetchLatestDocumentsResponse; // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
const result: FetchLatestDocumentsResponse =
(await response.json()) as FetchLatestDocumentsResponse; // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
this.logger.debug(
`Got ${result.latestDocuments.length} document metadata`
);
this.logger.debug(
`Got ${result.latestDocuments.length} document metadata`
);
return result;
});
}
return result;
});
}
public async ping(): Promise<PingResponse> {
this.logger.debug("Pinging server");
const response = await this.pingClient(this.getUrl("/ping"), {
headers: this.getDefaultHeaders()
});
public async ping(): Promise<PingResponse> {
this.logger.debug("Pinging server");
const response = await this.pingClient(this.getUrl("/ping"), {
headers: this.getDefaultHeaders()
});
if (!response.ok) {
throw new Error(
`Failed to ping server: ${await SyncService.errorFromResponse(
response
)}`
);
}
if (!response.ok) {
throw new Error(
`Failed to ping server: ${await SyncService.errorFromResponse(
response
)}`
);
}
const result: PingResponse = (await response.json()) as PingResponse; // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
const result: PingResponse = (await response.json()) as PingResponse; // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
this.logger.debug(
`Pinged server, got response: ${JSON.stringify(result)}`
);
this.logger.debug(
`Pinged server, got response: ${JSON.stringify(result)}`
);
return result;
}
return result;
}
private getUrl(path: string): string {
const { vaultName, remoteUri } = this.settings.getSettings();
const remoteUriWithoutTrailingSlash = remoteUri.replace(/\/+$/, "");
const encodedVaultName = encodeURIComponent(vaultName.trim());
return `${remoteUriWithoutTrailingSlash}/vaults/${encodedVaultName}${path}`;
}
private getUrl(path: string): string {
const { vaultName, remoteUri } = this.settings.getSettings();
const remoteUriWithoutTrailingSlash = remoteUri.replace(/\/+$/, "");
const encodedVaultName = encodeURIComponent(vaultName.trim());
return `${remoteUriWithoutTrailingSlash}/vaults/${encodedVaultName}${path}`;
}
private getDefaultHeaders(
{ type }: { type?: "json" } = { type: undefined }
): Record<string, string> {
const headers: Record<string, string> = {
"device-id": this.deviceId,
authorization: `Bearer ${this.settings.getSettings().token}`
};
private getDefaultHeaders(
{ type }: { type?: "json" } = { type: undefined }
): Record<string, string> {
const headers: Record<string, string> = {
"device-id": this.deviceId,
authorization: `Bearer ${this.settings.getSettings().token}`
};
if (type === "json") {
headers["Content-Type"] = "application/json";
}
if (type === "json") {
headers["Content-Type"] = "application/json";
}
return headers;
}
return headers;
}
private async retryForever<T>(fn: () => Promise<T>): Promise<T> {
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
while (true) {
try {
return await fn();
} catch (e) {
// We must not retry errors coming from reset
if (e instanceof SyncResetError) {
throw e;
}
private async retryForever<T>(fn: () => Promise<T>): Promise<T> {
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
while (true) {
try {
return await fn();
} catch (e) {
// We must not retry errors coming from reset
if (e instanceof SyncResetError) {
throw e;
}
const retryInterval =
this.settings.getSettings().networkRetryIntervalMs;
this.logger.error(
`Failed network call (${e}), retrying in ${retryInterval}ms`
);
await sleep(retryInterval);
}
}
}
const retryInterval =
this.settings.getSettings().networkRetryIntervalMs;
this.logger.error(
`Failed network call (${e}), retrying in ${retryInterval}ms`
);
await sleep(retryInterval);
}
}
}
}

6
frontend/sync-client/src/services/types/ClientCursors.ts
View file

@ -2,7 +2,7 @@
import type { DocumentWithCursors } from "./DocumentWithCursors";
export interface ClientCursors {
userName: string;
deviceId: string;
documentsWithCursors: DocumentWithCursors[];
userName: string;
deviceId: string;
documentsWithCursors: DocumentWithCursors[];
}

18
frontend/sync-client/src/services/types/CreateDocumentVersion.ts
View file

@ -1,13 +1,13 @@
// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
export interface CreateDocumentVersion {
/**
* The client can decide the document id (if it wishes to) in order
* to help with syncing. If the client does not provide a document id,
* the server will generate one. If the client provides a document id
* it must not already exist in the database.
*/
document_id: string | null;
relative_path: string;
content: number[];
/**
* The client can decide the document id (if it wishes to) in order
* to help with syncing. If the client does not provide a document id,
* the server will generate one. If the client provides a document id
* it must not already exist in the database.
*/
document_id: string | null;
relative_path: string;
content: number[];
}

2
frontend/sync-client/src/services/types/CursorPositionFromClient.ts
View file

@ -2,5 +2,5 @@
import type { DocumentWithCursors } from "./DocumentWithCursors";
export interface CursorPositionFromClient {
documentsWithCursors: DocumentWithCursors[];
documentsWithCursors: DocumentWithCursors[];
}

2
frontend/sync-client/src/services/types/CursorPositionFromServer.ts
View file

@ -2,5 +2,5 @@
import type { ClientCursors } from "./ClientCursors";
export interface CursorPositionFromServer {
clients: ClientCursors[];
clients: ClientCursors[];
}

4
frontend/sync-client/src/services/types/CursorSpan.ts
View file

@ -1,6 +1,6 @@
// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
export interface CursorSpan {
start: number;
end: number;
start: number;
end: number;
}

2
frontend/sync-client/src/services/types/DeleteDocumentVersion.ts
View file

@ -1,5 +1,5 @@
// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
export interface DeleteDocumentVersion {
relativePath: string;
relativePath: string;
}

4
frontend/sync-client/src/services/types/DocumentUpdateResponse.ts
View file

@ -6,5 +6,5 @@ import type { DocumentVersionWithoutContent } from "./DocumentVersionWithoutCont
* Response to an update document request.
*/
export type DocumentUpdateResponse =
| ({ type: "FastForwardUpdate" } & DocumentVersionWithoutContent)
| ({ type: "MergingUpdate" } & DocumentVersion);
| ({ type: "FastForwardUpdate" } & DocumentVersionWithoutContent)
| ({ type: "MergingUpdate" } & DocumentVersion);

16
frontend/sync-client/src/services/types/DocumentVersion.ts
View file

@ -1,12 +1,12 @@
// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
export interface DocumentVersion {
vaultUpdateId: number;
documentId: string;
relativePath: string;
updatedDate: string;
contentBase64: string;
isDeleted: boolean;
userId: string;
deviceId: string;
vaultUpdateId: number;
documentId: string;
relativePath: string;
updatedDate: string;
contentBase64: string;
isDeleted: boolean;
userId: string;
deviceId: string;
}

16
frontend/sync-client/src/services/types/DocumentVersionWithoutContent.ts
View file

@ -1,12 +1,12 @@
// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
export interface DocumentVersionWithoutContent {
vaultUpdateId: number;
documentId: string;
relativePath: string;
updatedDate: string;
isDeleted: boolean;
userId: string;
deviceId: string;
contentSize: number;
vaultUpdateId: number;
documentId: string;
relativePath: string;
updatedDate: string;
isDeleted: boolean;
userId: string;
deviceId: string;
contentSize: number;
}

8
frontend/sync-client/src/services/types/DocumentWithCursors.ts
View file

@ -2,8 +2,8 @@
import type { CursorSpan } from "./CursorSpan";
export interface DocumentWithCursors {
vault_update_id: number | null;
document_id: string;
relative_path: string;
cursors: CursorSpan[];
vault_update_id: number | null;
document_id: string;
relative_path: string;
cursors: CursorSpan[];
}

10
frontend/sync-client/src/services/types/FetchLatestDocumentsResponse.ts
View file

@ -5,9 +5,9 @@ import type { DocumentVersionWithoutContent } from "./DocumentVersionWithoutCont
* Response to a fetch latest documents request.
*/
export interface FetchLatestDocumentsResponse {
latestDocuments: DocumentVersionWithoutContent[];
/**
* The update ID of the latest document in the response.
*/
lastUpdateId: bigint;
latestDocuments: DocumentVersionWithoutContent[];
/**
* The update ID of the latest document in the response.
*/
lastUpdateId: bigint;
}

36
frontend/sync-client/src/services/types/PingResponse.ts
View file

@ -4,22 +4,22 @@
* Response to a ping request.
*/
export interface PingResponse {
/**
* Semantic version of the server.
*/
serverVersion: string;
/**
* Whether the client is authenticated based on the sent Authorization
* header.
*/
isAuthenticated: boolean;
/**
* List of file extensions that are allowed to be merged.
*/
mergeableFileExtensions: string[];
/**
* API version ensuring backwards & forwards compatibility between the client
* and server.
*/
supportedApiVersion: number;
/**
* Semantic version of the server.
*/
serverVersion: string;
/**
* Whether the client is authenticated based on the sent Authorization
* header.
*/
isAuthenticated: boolean;
/**
* List of file extensions that are allowed to be merged.
*/
mergeableFileExtensions: string[];
/**
* API version ensuring backwards & forwards compatibility between the client
* and server.
*/
supportedApiVersion: number;
}

6
frontend/sync-client/src/services/types/SerializedError.ts
View file

@ -1,7 +1,7 @@
// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
export interface SerializedError {
errorType: string;
message: string;
causes: string[];
errorType: string;
message: string;
causes: string[];
}

6
frontend/sync-client/src/services/types/UpdateDocumentVersion.ts
View file

@ -1,7 +1,7 @@
// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
export interface UpdateDocumentVersion {
parent_version_id: bigint;
relative_path: string;
content: number[];
parent_version_id: bigint;
relative_path: string;
content: number[];
}

6
frontend/sync-client/src/services/types/UpdateTextDocumentVersion.ts
View file

@ -1,7 +1,7 @@
// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
export interface UpdateTextDocumentVersion {
parentVersionId: number;
relativePath: string;
content: (number | string)[];
parentVersionId: number;
relativePath: string;
content: (number | string)[];
}

4
frontend/sync-client/src/services/types/WebSocketClientMessage.ts
View file

@ -3,5 +3,5 @@ import type { CursorPositionFromClient } from "./CursorPositionFromClient";
import type { WebSocketHandshake } from "./WebSocketHandshake";
export type WebSocketClientMessage =
| ({ type: "handshake" } & WebSocketHandshake)
| ({ type: "cursorPositions" } & CursorPositionFromClient);
| ({ type: "handshake" } & WebSocketHandshake)
| ({ type: "cursorPositions" } & CursorPositionFromClient);

6
frontend/sync-client/src/services/types/WebSocketHandshake.ts
View file

@ -1,7 +1,7 @@
// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
export interface WebSocketHandshake {
token: string;
deviceId: string;
lastSeenVaultUpdateId: number | null;
token: string;
deviceId: string;
lastSeenVaultUpdateId: number | null;
}

4
frontend/sync-client/src/services/types/WebSocketServerMessage.ts
View file

@ -3,5 +3,5 @@ import type { CursorPositionFromServer } from "./CursorPositionFromServer";
import type { WebSocketVaultUpdate } from "./WebSocketVaultUpdate";
export type WebSocketServerMessage =
| ({ type: "vaultUpdate" } & WebSocketVaultUpdate)
| ({ type: "cursorPositions" } & CursorPositionFromServer);
| ({ type: "vaultUpdate" } & WebSocketVaultUpdate)
| ({ type: "cursorPositions" } & CursorPositionFromServer);

4
frontend/sync-client/src/services/types/WebSocketVaultUpdate.ts
View file

@ -2,6 +2,6 @@
import type { DocumentVersionWithoutContent } from "./DocumentVersionWithoutContent";
export interface WebSocketVaultUpdate {
documents: DocumentVersionWithoutContent[];
isInitialSync: boolean;
documents: DocumentVersionWithoutContent[];
isInitialSync: boolean;
}

448
frontend/sync-client/src/services/websocket-manager.test.ts
View file

@ -8,291 +8,291 @@ import type { Settings } from "../persistence/settings";
const WebSocket = require("ws") as typeof globalThis.WebSocket;
class MockCloseEvent extends Event {
public code: number;
public reason: string;
public code: number;
public reason: string;
public constructor(
type: string,
options: { code: number; reason: string }
) {
super(type);
this.code = options.code;
this.reason = options.reason;
}
public constructor(
type: string,
options: { code: number; reason: string }
) {
super(type);
this.code = options.code;
this.reason = options.reason;
}
}
class MockMessageEvent extends Event {
public data: string;
public data: string;
public constructor(type: string, options: { data: string }) {
super(type);
this.data = options.data;
}
public constructor(type: string, options: { data: string }) {
super(type);
this.data = options.data;
}
}
class MockWebSocket {
public readyState: number = WebSocket.CONNECTING;
public onopen: ((event: Event) => void) | null = null;
public onclose: ((event: MockCloseEvent) => void) | null = null;
public onmessage: ((event: MockMessageEvent) => void) | null = null;
public onerror: ((event: Event) => void) | null = null;
public readyState: number = WebSocket.CONNECTING;
public onopen: ((event: Event) => void) | null = null;
public onclose: ((event: MockCloseEvent) => void) | null = null;
public onmessage: ((event: MockMessageEvent) => void) | null = null;
public onerror: ((event: Event) => void) | null = null;
public sentMessages: string[] = [];
public sentMessages: string[] = [];
public constructor(public url: string) {
setTimeout(() => {
if (this.readyState === WebSocket.CONNECTING) {
this.readyState = WebSocket.OPEN;
this.onopen?.(new Event("open"));
}
}, 0);
}
public constructor(public url: string) {
setTimeout(() => {
if (this.readyState === WebSocket.CONNECTING) {
this.readyState = WebSocket.OPEN;
this.onopen?.(new Event("open"));
}
}, 0);
}
public send(data: string): void {
if (this.readyState !== WebSocket.OPEN) {
throw new Error("WebSocket is not open");
}
this.sentMessages.push(data);
}
public send(data: string): void {
if (this.readyState !== WebSocket.OPEN) {
throw new Error("WebSocket is not open");
}
this.sentMessages.push(data);
}
public close(code?: number, reason?: string): void {
this.readyState = WebSocket.CLOSED;
this.onclose?.(
new MockCloseEvent("close", {
code: code ?? 1000,
reason: reason ?? ""
})
);
}
public close(code?: number, reason?: string): void {
this.readyState = WebSocket.CLOSED;
this.onclose?.(
new MockCloseEvent("close", {
code: code ?? 1000,
reason: reason ?? ""
})
);
}
public simulateMessage(data: unknown): void {
this.onmessage?.(
new MockMessageEvent("message", { data: JSON.stringify(data) })
);
}
public simulateMessage(data: unknown): void {
this.onmessage?.(
new MockMessageEvent("message", { data: JSON.stringify(data) })
);
}
}
type MockFn<T extends (...args: unknown[]) => unknown> = T & {
calls: Parameters<T>[];
calls: Parameters<T>[];
};
function createMockFn<T extends (...args: unknown[]) => unknown>(
implementation?: T
implementation?: T
): MockFn<T> {
const calls: Parameters<T>[] = [];
const mockFn = ((...args: Parameters<T>) => {
calls.push(args);
return implementation?.(...args);
}) as unknown as MockFn<T>;
mockFn.calls = calls;
return mockFn;
const calls: Parameters<T>[] = [];
const mockFn = ((...args: Parameters<T>) => {
calls.push(args);
return implementation?.(...args);
}) as unknown as MockFn<T>;
mockFn.calls = calls;
return mockFn;
}
describe("WebSocketManager", () => {
let mockLogger: Logger = undefined as unknown as Logger;
let mockSettings: Settings = undefined as unknown as Settings;
let deviceId = "test-device-123";
let mockLogger: Logger = undefined as unknown as Logger;
let mockSettings: Settings = undefined as unknown as Settings;
let deviceId = "test-device-123";
beforeEach(() => {
deviceId = "test-device-123";
const noop = (): void => {
// Intentionally empty for mock
};
mockLogger = {
info: createMockFn(noop),
warn: createMockFn(noop),
error: createMockFn(noop),
debug: createMockFn(noop)
} as unknown as Logger;
beforeEach(() => {
deviceId = "test-device-123";
const noop = (): void => {
// Intentionally empty for mock
};
mockLogger = {
info: createMockFn(noop),
warn: createMockFn(noop),
error: createMockFn(noop),
debug: createMockFn(noop)
} as unknown as Logger;
mockSettings = {
getSettings: () => ({
remoteUri: "https://example.com",
vaultName: "test-vault",
webSocketRetryIntervalMs: 1000
})
} as unknown as Settings;
});
mockSettings = {
getSettings: () => ({
remoteUri: "https://example.com",
vaultName: "test-vault",
webSocketRetryIntervalMs: 1000
})
} as unknown as Settings;
});
it("cleans up promises after message handling", async () => {
const manager = new WebSocketManager(
deviceId,
mockLogger,
mockSettings,
MockWebSocket as unknown as typeof WebSocket
);
it("cleans up promises after message handling", async () => {
const manager = new WebSocketManager(
deviceId,
mockLogger,
mockSettings,
MockWebSocket as unknown as typeof WebSocket
);
manager.onRemoteVaultUpdateReceived.add(async () => {
await new Promise((resolve) => setTimeout(resolve, 10));
});
manager.start();
await new Promise((resolve) => setTimeout(resolve, 50));
manager.onRemoteVaultUpdateReceived.add(async () => {
await new Promise((resolve) => setTimeout(resolve, 10));
});
manager.start();
await new Promise((resolve) => setTimeout(resolve, 50));
const { outstandingPromises } = manager as unknown as {
outstandingPromises: Promise<unknown>[];
};
const mockWs = (manager as unknown as { webSocket: MockWebSocket })
.webSocket;
const { outstandingPromises } = manager as unknown as {
outstandingPromises: Promise<unknown>[];
};
const mockWs = (manager as unknown as { webSocket: MockWebSocket })
.webSocket;
mockWs.simulateMessage({ type: "vaultUpdate", updates: [] });
mockWs.simulateMessage({ type: "vaultUpdate", updates: [] });
mockWs.simulateMessage({ type: "vaultUpdate", updates: [] });
mockWs.simulateMessage({ type: "vaultUpdate", updates: [] });
mockWs.simulateMessage({ type: "vaultUpdate", updates: [] });
mockWs.simulateMessage({ type: "vaultUpdate", updates: [] });
await new Promise((resolve) => setTimeout(resolve, 100));
await new Promise((resolve) => setTimeout(resolve, 100));
assert.strictEqual(outstandingPromises.length, 0);
await manager.stop();
});
assert.strictEqual(outstandingPromises.length, 0);
await manager.stop();
});
it("cleans up cursor position promises", async () => {
const manager = new WebSocketManager(
deviceId,
mockLogger,
mockSettings,
MockWebSocket as unknown as typeof WebSocket
);
it("cleans up cursor position promises", async () => {
const manager = new WebSocketManager(
deviceId,
mockLogger,
mockSettings,
MockWebSocket as unknown as typeof WebSocket
);
manager.onRemoteCursorsUpdateReceived.add(async () => {
await new Promise((resolve) => setTimeout(resolve, 10));
});
manager.start();
await new Promise((resolve) => setTimeout(resolve, 50));
manager.onRemoteCursorsUpdateReceived.add(async () => {
await new Promise((resolve) => setTimeout(resolve, 10));
});
manager.start();
await new Promise((resolve) => setTimeout(resolve, 50));
const { outstandingPromises } = manager as unknown as {
outstandingPromises: Promise<unknown>[];
};
const mockWs = (manager as unknown as { webSocket: MockWebSocket })
.webSocket;
const { outstandingPromises } = manager as unknown as {
outstandingPromises: Promise<unknown>[];
};
const mockWs = (manager as unknown as { webSocket: MockWebSocket })
.webSocket;
mockWs.simulateMessage({
type: "cursorPositions",
clients: [{ deviceId: "other-device", cursors: [] }]
});
mockWs.simulateMessage({
type: "cursorPositions",
clients: [{ deviceId: "other-device", cursors: [] }]
});
await new Promise((resolve) => setTimeout(resolve, 100));
assert.strictEqual(outstandingPromises.length, 0);
await manager.stop();
});
await new Promise((resolve) => setTimeout(resolve, 100));
assert.strictEqual(outstandingPromises.length, 0);
await manager.stop();
});
it("logs handshake send errors", async () => {
const manager = new WebSocketManager(
deviceId,
mockLogger,
mockSettings,
MockWebSocket as unknown as typeof WebSocket
);
it("logs handshake send errors", async () => {
const manager = new WebSocketManager(
deviceId,
mockLogger,
mockSettings,
MockWebSocket as unknown as typeof WebSocket
);
manager.start();
await new Promise((resolve) => setTimeout(resolve, 50));
manager.start();
await new Promise((resolve) => setTimeout(resolve, 50));
const mockWs = (manager as unknown as { webSocket: MockWebSocket })
.webSocket;
mockWs.send = (): void => {
throw new Error("Buffer full");
};
const mockWs = (manager as unknown as { webSocket: MockWebSocket })
.webSocket;
mockWs.send = (): void => {
throw new Error("Buffer full");
};
assert.throws(() => {
manager.sendHandshakeMessage({
type: "handshake",
token: "test",
deviceId: "test",
lastSeenVaultUpdateId: null
});
});
assert.throws(() => {
manager.sendHandshakeMessage({
type: "handshake",
token: "test",
deviceId: "test",
lastSeenVaultUpdateId: null
});
});
await manager.stop();
});
await manager.stop();
});
it("completes stop with timeout protection", async () => {
const manager = new WebSocketManager(
deviceId,
mockLogger,
mockSettings,
MockWebSocket as unknown as typeof WebSocket
);
it("completes stop with timeout protection", async () => {
const manager = new WebSocketManager(
deviceId,
mockLogger,
mockSettings,
MockWebSocket as unknown as typeof WebSocket
);
manager.start();
await new Promise((resolve) => setTimeout(resolve, 50));
manager.start();
await new Promise((resolve) => setTimeout(resolve, 50));
await manager.stop();
assert.ok(true);
});
await manager.stop();
assert.ok(true);
});
it("clears old handlers on reconnection", async () => {
const manager = new WebSocketManager(
deviceId,
mockLogger,
mockSettings,
MockWebSocket as unknown as typeof WebSocket
);
it("clears old handlers on reconnection", async () => {
const manager = new WebSocketManager(
deviceId,
mockLogger,
mockSettings,
MockWebSocket as unknown as typeof WebSocket
);
let statusChangeCount = 0;
manager.onWebSocketStatusChanged.add(() => {
statusChangeCount++;
});
let statusChangeCount = 0;
manager.onWebSocketStatusChanged.add(() => {
statusChangeCount++;
});
manager.start();
await new Promise((resolve) => setTimeout(resolve, 50));
manager.start();
await new Promise((resolve) => setTimeout(resolve, 50));
const firstWs = (manager as unknown as { webSocket: MockWebSocket })
.webSocket;
const firstWs = (manager as unknown as { webSocket: MockWebSocket })
.webSocket;
statusChangeCount = 0;
statusChangeCount = 0;
(
manager as unknown as { initializeWebSocket: () => void }
).initializeWebSocket();
await new Promise((resolve) => setTimeout(resolve, 50));
(
manager as unknown as { initializeWebSocket: () => void }
).initializeWebSocket();
await new Promise((resolve) => setTimeout(resolve, 50));
statusChangeCount = 0;
statusChangeCount = 0;
// Old handler should be cleared
firstWs.onclose?.(
new MockCloseEvent("close", { code: 1000, reason: "test" })
);
// Old handler should be cleared
firstWs.onclose?.(
new MockCloseEvent("close", { code: 1000, reason: "test" })
);
assert.strictEqual(statusChangeCount, 0);
await manager.stop();
});
assert.strictEqual(statusChangeCount, 0);
await manager.stop();
});
it("tracks message handling promises", async () => {
const manager = new WebSocketManager(
deviceId,
mockLogger,
mockSettings,
MockWebSocket as unknown as typeof WebSocket
);
it("tracks message handling promises", async () => {
const manager = new WebSocketManager(
deviceId,
mockLogger,
mockSettings,
MockWebSocket as unknown as typeof WebSocket
);
// eslint-disable-next-line @typescript-eslint/init-declarations
let resolveListener: () => void;
const listenerPromise = new Promise<void>((resolve) => {
resolveListener = resolve;
});
// eslint-disable-next-line @typescript-eslint/init-declarations
let resolveListener: () => void;
const listenerPromise = new Promise<void>((resolve) => {
resolveListener = resolve;
});
manager.onRemoteVaultUpdateReceived.add(async () => {
await listenerPromise;
});
manager.onRemoteVaultUpdateReceived.add(async () => {
await listenerPromise;
});
manager.start();
await new Promise((resolve) => setTimeout(resolve, 50));
manager.start();
await new Promise((resolve) => setTimeout(resolve, 50));
const mockWs = (manager as unknown as { webSocket: MockWebSocket })
.webSocket;
mockWs.simulateMessage({ type: "vaultUpdate", updates: [] });
const mockWs = (manager as unknown as { webSocket: MockWebSocket })
.webSocket;
mockWs.simulateMessage({ type: "vaultUpdate", updates: [] });
await new Promise((resolve) => setTimeout(resolve, 10));
await new Promise((resolve) => setTimeout(resolve, 10));
const { outstandingPromises } = manager as unknown as {
outstandingPromises: Promise<unknown>[];
};
const { outstandingPromises } = manager as unknown as {
outstandingPromises: Promise<unknown>[];
};
assert.ok(outstandingPromises.length > 0);
assert.ok(outstandingPromises.length > 0);
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
resolveListener!();
await new Promise((resolve) => setTimeout(resolve, 50));
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
resolveListener!();
await new Promise((resolve) => setTimeout(resolve, 50));
assert.strictEqual(outstandingPromises.length, 0);
await manager.stop();
});
assert.strictEqual(outstandingPromises.length, 0);
await manager.stop();
});
});

22
frontend/sync-client/src/sync-client.ts
View file

@ -240,10 +240,10 @@ export class SyncClient {
}
/**
* Reload settings from disk overriding current in-memory settings.
* Missing values will be filled in from DEFAULT_SETTINGS rather than
* retaining current in-memory settings.
*/
* Reload settings from disk overriding current in-memory settings.
* Missing values will be filled in from DEFAULT_SETTINGS rather than
* retaining current in-memory settings.
*/
public async reloadSettings(): Promise<void> {
this.checkIfDestroyed("reloadSettings");
@ -275,10 +275,10 @@ export class SyncClient {
}
/**
* Wait for the in-flight operations to finish, reset all tracking,
* and the local database but retain the settings.
* The SyncClient can be used again after calling this method.
*/
* Wait for the in-flight operations to finish, reset all tracking,
* and the local database but retain the settings.
* The SyncClient can be used again after calling this method.
*/
public async reset(): Promise<void> {
this.checkIfDestroyed("reset");
@ -430,9 +430,9 @@ export class SyncClient {
}
/**
* Completely destroy the SyncClient, cancelling all in-progress operations.
* After calling this method, the SyncClient cannot be used again.
*/
* Completely destroy the SyncClient, cancelling all in-progress operations.
* After calling this method, the SyncClient cannot be used again.
*/
public async destroy(): Promise<void> {
this.checkIfDestroyed("destroy");

8
frontend/sync-client/src/sync-operations/syncer.ts
View file

@ -479,10 +479,10 @@ export class Syncer {
}
/**
* Create fake documents in the database for all files that are present locally
* and also exist remotely. This will stop the subequent syncs from duplicating
* the documents by creating the same documents from multiple clients.
*/
* Create fake documents in the database for all files that are present locally
* and also exist remotely. This will stop the subequent syncs from duplicating
* the documents by creating the same documents from multiple clients.
*/
private async createFakeDocumentsFromRemoteState(): Promise<void> {
if (this.database.getHasInitialSyncCompleted()) {
return;

10
frontend/sync-client/src/tracing/sync-history.ts
View file

@ -88,11 +88,11 @@ export class SyncHistory {
}
/**
* Insert the entry at the beginning of the history list. If the entry
* already in the list, it will get moved to the beginning and updated.
*
* If the entry list is too long, the oldest entry will be removed.
*/
* Insert the entry at the beginning of the history list. If the entry
* already in the list, it will get moved to the beginning and updated.
*
* If the entry list is too long, the oldest entry will be removed.
*/
public addHistoryEntry(entry: CommonHistoryEntry): void {
const historyEntry = {
...entry,

6
frontend/sync-client/src/types/document-sync-status.ts
View file

@ -1,5 +1,5 @@
export enum DocumentSyncStatus {
UP_TO_DATE = "UP_TO_DATE",
SYNCING = "SYNCING",
SYNCING_IS_DISABLED = "SYNCING_IS_DISABLED"
UP_TO_DATE = "UP_TO_DATE",
SYNCING = "SYNCING",
SYNCING_IS_DISABLED = "SYNCING_IS_DISABLED"
}

6
frontend/sync-client/src/types/document-up-to-dateness.ts
View file

@ -1,5 +1,5 @@
export enum DocumentUpToDateness {
UpToDate = "UpToDate", // easiest case, the client can just show the cursors as-is
Prior = "Prior", // The cursors are outdated, so the client has to guess the cursor positions based on local updates. This is only possible if this client's cursor has once been up-to-date in a given document.
Later = "Later" // The cursors are from a future version of a document, there's no way we can accuratly show them locally.
UpToDate = "UpToDate", // easiest case, the client can just show the cursors as-is
Prior = "Prior", // The cursors are outdated, so the client has to guess the cursor positions based on local updates. This is only possible if this client's cursor has once been up-to-date in a given document.
Later = "Later" // The cursors are from a future version of a document, there's no way we can accuratly show them locally.
}

2
frontend/sync-client/src/types/maybe-outdated-client-cursors.ts
View file

@ -1,5 +1,5 @@
import type { ClientCursors } from "../services/types/ClientCursors";
export interface MaybeOutdatedClientCursors extends ClientCursors {
isOutdated: boolean;
isOutdated: boolean;
}

6
frontend/sync-client/src/types/network-connection-status.ts
View file

@ -1,5 +1,5 @@
export interface NetworkConnectionStatus {
isSuccessful: boolean;
serverMessage: string;
isWebSocketConnected: boolean;
isSuccessful: boolean;
serverMessage: string;
isWebSocketConnected: boolean;
}

18
frontend/sync-client/src/utils/assert-set-contains-exactly.ts
View file

@ -1,13 +1,13 @@
import assert from "node:assert";
export function assertSetContainsExactly<T>(set: Set<T>, ...values: T[]): void {
assert.ok(
set.size === values.length &&
Array.from(set).every((value) => values.includes(value)),
`Expected set to contain only ${values.map((v) => '"' + v + '"').join(", ")}, but it contained ${Array.from(
set
)
.map((v) => '"' + v + '"')
.join(", ")}`
);
assert.ok(
set.size === values.length &&
Array.from(set).every((value) => values.includes(value)),
`Expected set to contain only ${values.map((v) => '"' + v + '"').join(", ")}, but it contained ${Array.from(
set
)
.map((v) => '"' + v + '"')
.join(", ")}`
);
}

68
frontend/sync-client/src/utils/await-all.test.ts
View file

@ -3,54 +3,54 @@ import assert from "node:assert";
import { awaitAll } from "./await-all";
void test("awaitAll resolves promises of the same type", async () => {
const promises = [
Promise.resolve(1),
Promise.resolve(2),
Promise.resolve(3)
];
const promises = [
Promise.resolve(1),
Promise.resolve(2),
Promise.resolve(3)
];
const results = await awaitAll(promises);
assert.deepStrictEqual(results, [1, 2, 3]);
const results = await awaitAll(promises);
assert.deepStrictEqual(results, [1, 2, 3]);
});
void test("awaitAll resolves promises of different types", async () => {
const promises = [
Promise.resolve("hello"),
Promise.resolve(42),
Promise.resolve(true)
] as const;
const promises = [
Promise.resolve("hello"),
Promise.resolve(42),
Promise.resolve(true)
] as const;
const results = await awaitAll(promises);
const results = await awaitAll(promises);
// Type assertions to verify type inference
const str: string = results[0];
const num: number = results[1];
const bool: boolean = results[2];
// Type assertions to verify type inference
const str: string = results[0];
const num: number = results[1];
const bool: boolean = results[2];
assert.strictEqual(str, "hello");
assert.strictEqual(num, 42);
assert.strictEqual(bool, true);
assert.strictEqual(str, "hello");
assert.strictEqual(num, 42);
assert.strictEqual(bool, true);
});
void test("awaitAll throws on first rejection", async () => {
const error = new Error("Test error");
const promises = [
Promise.resolve(1),
Promise.reject(error),
Promise.resolve(3)
];
const error = new Error("Test error");
const promises = [
Promise.resolve(1),
Promise.reject(error),
Promise.resolve(3)
];
await assert.rejects(async () => {
await awaitAll(promises);
}, error);
await assert.rejects(async () => {
await awaitAll(promises);
}, error);
});
void test("awaitAll works with async functions", async () => {
const asyncString = async (): Promise<string> => "async";
const asyncNumber = async (): Promise<number> => 123;
const asyncString = async (): Promise<string> => "async";
const asyncNumber = async (): Promise<number> => 123;
const results = await awaitAll([asyncString(), asyncNumber()]);
const results = await awaitAll([asyncString(), asyncNumber()]);
assert.strictEqual(results[0], "async");
assert.strictEqual(results[1], 123);
assert.strictEqual(results[0], "async");
assert.strictEqual(results[1], 123);
});

30
frontend/sync-client/src/utils/await-all.ts
View file

@ -1,25 +1,25 @@
type PromiseTuple<T extends readonly unknown[]> = readonly [
...{ [K in keyof T]: Promise<T[K]> }
...{ [K in keyof T]: Promise<T[K]> }
];
type ResolvedTuple<T extends readonly unknown[]> = {
[K in keyof T]: T[K];
[K in keyof T]: T[K];
};
export const awaitAll = async <T extends readonly unknown[]>(
promises: PromiseTuple<T>
promises: PromiseTuple<T>
): Promise<ResolvedTuple<T>> => {
// eslint-disable-next-line no-restricted-properties
const result = await Promise.allSettled(promises);
for (const res of result) {
if (res.status === "rejected") {
throw res.reason;
}
}
// eslint-disable-next-line no-restricted-properties
const result = await Promise.allSettled(promises);
for (const res of result) {
if (res.status === "rejected") {
throw res.reason;
}
}
// eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion
return result.map(
// eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion
(res) => (res as PromiseFulfilledResult<unknown>).value
) as ResolvedTuple<T>;
// eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion
return result.map(
// eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion
(res) => (res as PromiseFulfilledResult<unknown>).value
) as ResolvedTuple<T>;
};

18
frontend/sync-client/src/utils/create-client-id.ts
View file

@ -1,15 +1,15 @@
import { v4 as uuidv4 } from "uuid";
export function createClientId(): string {
// @ts-expect-error, injected by webpack
const packageVersion = __CURRENT_VERSION__; // eslint-disable-line
// @ts-expect-error, injected by webpack
const packageVersion = __CURRENT_VERSION__; // eslint-disable-line
const platform =
typeof navigator !== "undefined"
? navigator.platform // eslint-disable-line @typescript-eslint/no-deprecated
: typeof process !== "undefined"
? process.platform
: "unknown";
const platform =
typeof navigator !== "undefined"
? navigator.platform // eslint-disable-line @typescript-eslint/no-deprecated
: typeof process !== "undefined"
? process.platform
: "unknown";
return `vault-link/${packageVersion} (${uuidv4()}; ${platform})`;
return `vault-link/${packageVersion} (${uuidv4()}; ${platform})`;
}

28
frontend/sync-client/src/utils/create-promise.ts
View file

@ -1,25 +1,25 @@
type ResolveFunction<T> = undefined extends T
? (value?: T) => unknown
: (value: T) => unknown;
? (value?: T) => unknown
: (value: T) => unknown;
/**
* A type-safe utility function to create a Promise with resolve and reject functions.
* @returns A tuple containing a Promise, a resolve function, and a reject function.
*/
export function createPromise<T = unknown>(): [
Promise<T>,
ResolveFunction<T>,
(error: unknown) => unknown
Promise<T>,
ResolveFunction<T>,
(error: unknown) => unknown
] {
let resolve: undefined | ResolveFunction<T> = undefined;
let reject: undefined | ((error: unknown) => unknown) = undefined;
let resolve: undefined | ResolveFunction<T> = undefined;
let reject: undefined | ((error: unknown) => unknown) = undefined;
const creationPromise = new Promise<T>(
(resolve_, reject_) =>
// eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion
((resolve = resolve_ as ResolveFunction<T>), (reject = reject_))
);
const creationPromise = new Promise<T>(
(resolve_, reject_) =>
// eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion
((resolve = resolve_ as ResolveFunction<T>), (reject = reject_))
);
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
return [creationPromise, resolve!, reject!];
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
return [creationPromise, resolve!, reject!];
}

42
frontend/sync-client/src/utils/data-structures/event-listeners.ts
View file

@ -8,32 +8,32 @@ export class EventListeners<TListener extends (...args: any[]) => any> {
private readonly listeners: TListener[] = [];
/**
* Adds a new listener to the collection.
*
* @param listener The listener callback to add
* @returns An unsubscribe function that removes this listener when called
*/
* Adds a new listener to the collection.
*
* @param listener The listener callback to add
* @returns An unsubscribe function that removes this listener when called
*/
public add(listener: TListener): () => void {
this.listeners.push(listener);
return () => this.remove(listener);
}
/**
* Removes a listener from the collection.
*
* @param listener The listener callback to remove
* @returns true if the listener was found and removed, false otherwise
*/
* Removes a listener from the collection.
*
* @param listener The listener callback to remove
* @returns true if the listener was found and removed, false otherwise
*/
public remove(listener: TListener): boolean {
return removeFromArray(this.listeners, listener);
}
/**
* Triggers all listeners synchronously with the provided arguments.
* Any returned promises are ignored. Use triggerAsync() to await them.
*
* @param args The arguments to pass to each listener
*/
* Triggers all listeners synchronously with the provided arguments.
* Any returned promises are ignored. Use triggerAsync() to await them.
*
* @param args The arguments to pass to each listener
*/
public trigger(...args: Parameters<TListener>): void {
this.listeners.forEach((listener) => {
listener(...args);
@ -41,12 +41,12 @@ export class EventListeners<TListener extends (...args: any[]) => any> {
}
/**
* Triggers all listeners and awaits any promises they return.
* Synchronous listeners are called immediately, and any async listeners
* are awaited in parallel.
*
* @param args The arguments to pass to each listener
*/
* Triggers all listeners and awaits any promises they return.
* Synchronous listeners are called immediately, and any async listeners
* are awaited in parallel.
*
* @param args The arguments to pass to each listener
*/
public async triggerAsync(...args: Parameters<TListener>): Promise<void> {
await awaitAll(
this.listeners

434
frontend/sync-client/src/utils/data-structures/fix-sized-cache.test.ts
View file

@ -3,273 +3,273 @@ import assert from "node:assert";
import { FixedSizeDocumentCache } from "./fix-sized-cache";
describe("fixedSizeDocumentCache", () => {
it("happyPath", async () => {
const cache = new FixedSizeDocumentCache(4);
const doc1 = new Uint8Array([1, 2]);
const doc2 = new Uint8Array([3, 4]);
const doc3 = new Uint8Array([5, 6]);
it("happyPath", async () => {
const cache = new FixedSizeDocumentCache(4);
const doc1 = new Uint8Array([1, 2]);
const doc2 = new Uint8Array([3, 4]);
const doc3 = new Uint8Array([5, 6]);
cache.put(1, doc1);
assert.equal(cache.get(1), doc1);
cache.put(2, doc2);
assert.equal(cache.get(1), doc1);
assert.equal(cache.get(2), doc2);
cache.put(3, doc3);
assert.equal(cache.get(1), undefined);
assert.equal(cache.get(2), doc2);
assert.equal(cache.get(3), doc3);
});
cache.put(1, doc1);
assert.equal(cache.get(1), doc1);
cache.put(2, doc2);
assert.equal(cache.get(1), doc1);
assert.equal(cache.get(2), doc2);
cache.put(3, doc3);
assert.equal(cache.get(1), undefined);
assert.equal(cache.get(2), doc2);
assert.equal(cache.get(3), doc3);
});
it("updateExistingEntry", async () => {
const cache = new FixedSizeDocumentCache(4);
const doc1_v1 = new Uint8Array([1, 2]);
const doc1_v2 = new Uint8Array([3, 4]);
const doc2 = new Uint8Array([5, 6]);
it("updateExistingEntry", async () => {
const cache = new FixedSizeDocumentCache(4);
const doc1_v1 = new Uint8Array([1, 2]);
const doc1_v2 = new Uint8Array([3, 4]);
const doc2 = new Uint8Array([5, 6]);
cache.put(1, doc1_v1);
assert.equal(cache.get(1), doc1_v1);
cache.put(2, doc2);
assert.equal(cache.get(1), doc1_v1);
assert.equal(cache.get(2), doc2);
cache.put(1, doc1_v2); // Update doc1
assert.equal(cache.get(1), doc1_v2);
assert.equal(cache.get(2), doc2);
});
cache.put(1, doc1_v1);
assert.equal(cache.get(1), doc1_v1);
cache.put(2, doc2);
assert.equal(cache.get(1), doc1_v1);
assert.equal(cache.get(2), doc2);
cache.put(1, doc1_v2); // Update doc1
assert.equal(cache.get(1), doc1_v2);
assert.equal(cache.get(2), doc2);
});
it("evictOldestEntry", async () => {
const cache = new FixedSizeDocumentCache(4);
const doc1 = new Uint8Array([1, 2]);
const doc2 = new Uint8Array([3, 4]);
const doc3 = new Uint8Array([5, 6]);
it("evictOldestEntry", async () => {
const cache = new FixedSizeDocumentCache(4);
const doc1 = new Uint8Array([1, 2]);
const doc2 = new Uint8Array([3, 4]);
const doc3 = new Uint8Array([5, 6]);
cache.put(1, doc1);
cache.put(2, doc2);
assert.equal(cache.get(2), doc2);
assert.equal(cache.get(1), doc1);
cache.put(3, doc3);
assert.equal(cache.get(1), doc1);
assert.equal(cache.get(2), undefined);
assert.equal(cache.get(3), doc3);
});
cache.put(1, doc1);
cache.put(2, doc2);
assert.equal(cache.get(2), doc2);
assert.equal(cache.get(1), doc1);
cache.put(3, doc3);
assert.equal(cache.get(1), doc1);
assert.equal(cache.get(2), undefined);
assert.equal(cache.get(3), doc3);
});
it("tooLargeEntry", async () => {
const cache = new FixedSizeDocumentCache(2);
const doc1 = new Uint8Array([1, 2, 3]);
it("tooLargeEntry", async () => {
const cache = new FixedSizeDocumentCache(2);
const doc1 = new Uint8Array([1, 2, 3]);
cache.put(1, doc1);
assert.equal(cache.get(1), undefined);
});
cache.put(1, doc1);
assert.equal(cache.get(1), undefined);
});
it("multipleEvictionsInSinglePut", async () => {
const cache = new FixedSizeDocumentCache(10);
const doc1 = new Uint8Array([1, 2]);
const doc2 = new Uint8Array([3, 4]);
const doc3 = new Uint8Array([5, 6]);
const doc4 = new Uint8Array([7, 8, 9, 10, 11, 12, 13, 14]); // 8 bytes
it("multipleEvictionsInSinglePut", async () => {
const cache = new FixedSizeDocumentCache(10);
const doc1 = new Uint8Array([1, 2]);
const doc2 = new Uint8Array([3, 4]);
const doc3 = new Uint8Array([5, 6]);
const doc4 = new Uint8Array([7, 8, 9, 10, 11, 12, 13, 14]); // 8 bytes
cache.put(1, doc1);
cache.put(2, doc2);
cache.put(3, doc3);
// Cache now has 6 bytes total
cache.put(1, doc1);
cache.put(2, doc2);
cache.put(3, doc3);
// Cache now has 6 bytes total
cache.put(4, doc4); // Should evict doc1 and doc2 to make room (total: 2+8=10)
assert.equal(cache.get(1), undefined); // Evicted
assert.equal(cache.get(2), undefined); // Evicted
assert.equal(cache.get(3), doc3); // Still present
assert.equal(cache.get(4), doc4);
});
cache.put(4, doc4); // Should evict doc1 and doc2 to make room (total: 2+8=10)
assert.equal(cache.get(1), undefined); // Evicted
assert.equal(cache.get(2), undefined); // Evicted
assert.equal(cache.get(3), doc3); // Still present
assert.equal(cache.get(4), doc4);
});
it("clearCache", async () => {
const cache = new FixedSizeDocumentCache(10);
const doc1 = new Uint8Array([1, 2]);
const doc2 = new Uint8Array([3, 4]);
it("clearCache", async () => {
const cache = new FixedSizeDocumentCache(10);
const doc1 = new Uint8Array([1, 2]);
const doc2 = new Uint8Array([3, 4]);
cache.put(1, doc1);
cache.put(2, doc2);
assert.equal(cache.get(1), doc1);
assert.equal(cache.get(2), doc2);
cache.put(1, doc1);
cache.put(2, doc2);
assert.equal(cache.get(1), doc1);
assert.equal(cache.get(2), doc2);
cache.reset();
assert.equal(cache.get(1), undefined);
assert.equal(cache.get(2), undefined);
cache.reset();
assert.equal(cache.get(1), undefined);
assert.equal(cache.get(2), undefined);
// Should be able to add entries after clear
cache.put(3, doc1);
assert.equal(cache.get(3), doc1);
});
// Should be able to add entries after clear
cache.put(3, doc1);
assert.equal(cache.get(3), doc1);
});
it("getNonExistentKey", async () => {
const cache = new FixedSizeDocumentCache(10);
const doc1 = new Uint8Array([1, 2]);
cache.put(1, doc1);
assert.equal(cache.get(999), undefined);
});
it("getNonExistentKey", async () => {
const cache = new FixedSizeDocumentCache(10);
const doc1 = new Uint8Array([1, 2]);
cache.put(1, doc1);
assert.equal(cache.get(999), undefined);
});
it("updateEntryWithDifferentSizeTriggeringEviction", async () => {
const cache = new FixedSizeDocumentCache(6);
const doc1_v1 = new Uint8Array([1, 2]);
const doc1_v2 = new Uint8Array([1, 2, 3, 4]); // Larger version
const doc2 = new Uint8Array([5, 6]);
const doc3 = new Uint8Array([7, 8]);
it("updateEntryWithDifferentSizeTriggeringEviction", async () => {
const cache = new FixedSizeDocumentCache(6);
const doc1_v1 = new Uint8Array([1, 2]);
const doc1_v2 = new Uint8Array([1, 2, 3, 4]); // Larger version
const doc2 = new Uint8Array([5, 6]);
const doc3 = new Uint8Array([7, 8]);
cache.put(1, doc1_v1);
cache.put(2, doc2);
cache.put(3, doc3);
cache.put(1, doc1_v1);
cache.put(2, doc2);
cache.put(3, doc3);
// Update doc1 with larger version, should evict doc2
cache.put(1, doc1_v2);
// Update doc1 with larger version, should evict doc2
cache.put(1, doc1_v2);
assert.equal(cache.get(1), doc1_v2);
assert.equal(cache.get(2), undefined); // Evicted
assert.equal(cache.get(3), doc3);
});
assert.equal(cache.get(1), doc1_v2);
assert.equal(cache.get(2), undefined); // Evicted
assert.equal(cache.get(3), doc3);
});
it("singleItemCache", async () => {
const cache = new FixedSizeDocumentCache(2);
const doc1 = new Uint8Array([1, 2]);
const doc2 = new Uint8Array([3, 4]);
it("singleItemCache", async () => {
const cache = new FixedSizeDocumentCache(2);
const doc1 = new Uint8Array([1, 2]);
const doc2 = new Uint8Array([3, 4]);
cache.put(1, doc1);
assert.equal(cache.get(1), doc1);
cache.put(1, doc1);
assert.equal(cache.get(1), doc1);
cache.put(2, doc2);
assert.equal(cache.get(1), undefined); // Evicted
assert.equal(cache.get(2), doc2);
});
cache.put(2, doc2);
assert.equal(cache.get(1), undefined); // Evicted
assert.equal(cache.get(2), doc2);
});
it("multipleGetsOnSameEntry", async () => {
const cache = new FixedSizeDocumentCache(4);
const doc1 = new Uint8Array([1, 2]);
const doc2 = new Uint8Array([3, 4]);
const doc3 = new Uint8Array([5, 6]);
it("multipleGetsOnSameEntry", async () => {
const cache = new FixedSizeDocumentCache(4);
const doc1 = new Uint8Array([1, 2]);
const doc2 = new Uint8Array([3, 4]);
const doc3 = new Uint8Array([5, 6]);
cache.put(1, doc1);
cache.put(2, doc2);
cache.put(1, doc1);
cache.put(2, doc2);
// Multiple gets on doc1
cache.get(1);
cache.get(1);
cache.get(1);
// Multiple gets on doc1
cache.get(1);
cache.get(1);
cache.get(1);
// Order should be: 2 (LRU), 1 (MRU)
cache.put(3, doc3);
// Order should be: 2 (LRU), 1 (MRU)
cache.put(3, doc3);
assert.equal(cache.get(1), doc1);
assert.equal(cache.get(2), undefined); // Evicted
assert.equal(cache.get(3), doc3);
});
assert.equal(cache.get(1), doc1);
assert.equal(cache.get(2), undefined); // Evicted
assert.equal(cache.get(3), doc3);
});
it("exactlySizedEntry", async () => {
const cache = new FixedSizeDocumentCache(4);
const doc1 = new Uint8Array([1, 2, 3, 4]); // Exactly cache size
it("exactlySizedEntry", async () => {
const cache = new FixedSizeDocumentCache(4);
const doc1 = new Uint8Array([1, 2, 3, 4]); // Exactly cache size
cache.put(1, doc1);
assert.equal(cache.get(1), doc1);
cache.put(1, doc1);
assert.equal(cache.get(1), doc1);
const doc2 = new Uint8Array([5, 6]);
cache.put(2, doc2);
const doc2 = new Uint8Array([5, 6]);
cache.put(2, doc2);
// doc1 should be evicted to make room for doc2
assert.equal(cache.get(1), undefined);
assert.equal(cache.get(2), doc2);
});
// doc1 should be evicted to make room for doc2
assert.equal(cache.get(1), undefined);
assert.equal(cache.get(2), doc2);
});
it("updateEntryMakesItMostRecent", async () => {
const cache = new FixedSizeDocumentCache(6);
const doc1_v1 = new Uint8Array([1, 2]);
const doc1_v2 = new Uint8Array([3, 4]);
const doc2 = new Uint8Array([5, 6]);
const doc3 = new Uint8Array([7, 8]);
const doc4 = new Uint8Array([9, 10]);
it("updateEntryMakesItMostRecent", async () => {
const cache = new FixedSizeDocumentCache(6);
const doc1_v1 = new Uint8Array([1, 2]);
const doc1_v2 = new Uint8Array([3, 4]);
const doc2 = new Uint8Array([5, 6]);
const doc3 = new Uint8Array([7, 8]);
const doc4 = new Uint8Array([9, 10]);
cache.put(1, doc1_v1);
cache.put(2, doc2);
cache.put(3, doc3);
cache.put(1, doc1_v1);
cache.put(2, doc2);
cache.put(3, doc3);
// Update doc1 (should move it to most recent)
cache.put(1, doc1_v2);
// Update doc1 (should move it to most recent)
cache.put(1, doc1_v2);
// Order should be: 2 (LRU), 3, 1 (MRU)
// Adding doc4 should evict doc2
cache.put(4, doc4);
// Order should be: 2 (LRU), 3, 1 (MRU)
// Adding doc4 should evict doc2
cache.put(4, doc4);
assert.equal(cache.get(1), doc1_v2);
assert.equal(cache.get(2), undefined); // Evicted
assert.equal(cache.get(3), doc3);
assert.equal(cache.get(4), doc4);
});
assert.equal(cache.get(1), doc1_v2);
assert.equal(cache.get(2), undefined); // Evicted
assert.equal(cache.get(3), doc3);
assert.equal(cache.get(4), doc4);
});
it("alternatingAccessPattern", async () => {
const cache = new FixedSizeDocumentCache(4);
const doc1 = new Uint8Array([1, 2]);
const doc2 = new Uint8Array([3, 4]);
const doc3 = new Uint8Array([5, 6]);
it("alternatingAccessPattern", async () => {
const cache = new FixedSizeDocumentCache(4);
const doc1 = new Uint8Array([1, 2]);
const doc2 = new Uint8Array([3, 4]);
const doc3 = new Uint8Array([5, 6]);
cache.put(1, doc1);
cache.put(2, doc2);
cache.put(1, doc1);
cache.put(2, doc2);
// Alternate access between doc1 and doc2
cache.get(1);
cache.get(2);
cache.get(1);
cache.get(2);
// Alternate access between doc1 and doc2
cache.get(1);
cache.get(2);
cache.get(1);
cache.get(2);
// Order should be: 1, 2 (MRU)
cache.put(3, doc3);
// Order should be: 1, 2 (MRU)
cache.put(3, doc3);
assert.equal(cache.get(1), undefined); // Evicted
assert.equal(cache.get(2), doc2);
assert.equal(cache.get(3), doc3);
});
assert.equal(cache.get(1), undefined); // Evicted
assert.equal(cache.get(2), doc2);
assert.equal(cache.get(3), doc3);
});
it("zeroByteDocs", async () => {
const cache = new FixedSizeDocumentCache(2);
const doc1 = new Uint8Array([]);
const doc2 = new Uint8Array([]);
const doc3 = new Uint8Array([1, 2]);
it("zeroByteDocs", async () => {
const cache = new FixedSizeDocumentCache(2);
const doc1 = new Uint8Array([]);
const doc2 = new Uint8Array([]);
const doc3 = new Uint8Array([1, 2]);
cache.put(1, doc1);
cache.put(2, doc2);
cache.put(3, doc3);
cache.put(1, doc1);
cache.put(2, doc2);
cache.put(3, doc3);
assert.equal(cache.get(1), doc1);
assert.equal(cache.get(2), doc2);
assert.equal(cache.get(3), doc3);
});
assert.equal(cache.get(1), doc1);
assert.equal(cache.get(2), doc2);
assert.equal(cache.get(3), doc3);
});
it("resizeToLargerSizeNoEviction", async () => {
const cache = new FixedSizeDocumentCache(4);
const doc1 = new Uint8Array([1, 2]);
const doc2 = new Uint8Array([3, 4]);
it("resizeToLargerSizeNoEviction", async () => {
const cache = new FixedSizeDocumentCache(4);
const doc1 = new Uint8Array([1, 2]);
const doc2 = new Uint8Array([3, 4]);
cache.put(1, doc1);
cache.put(2, doc2);
cache.put(1, doc1);
cache.put(2, doc2);
cache.resize(10);
cache.resize(10);
assert.equal(cache.get(1), doc1);
assert.equal(cache.get(2), doc2);
});
assert.equal(cache.get(1), doc1);
assert.equal(cache.get(2), doc2);
});
it("resizeCausesMultipleEvictions", async () => {
const cache = new FixedSizeDocumentCache(10);
const doc1 = new Uint8Array([1, 2]);
const doc2 = new Uint8Array([3, 4]);
const doc3 = new Uint8Array([5, 6]);
const doc4 = new Uint8Array([7, 8]);
it("resizeCausesMultipleEvictions", async () => {
const cache = new FixedSizeDocumentCache(10);
const doc1 = new Uint8Array([1, 2]);
const doc2 = new Uint8Array([3, 4]);
const doc3 = new Uint8Array([5, 6]);
const doc4 = new Uint8Array([7, 8]);
cache.put(1, doc1);
cache.put(2, doc2);
cache.put(3, doc3);
cache.put(4, doc4);
// Cache has 8 bytes total
cache.put(1, doc1);
cache.put(2, doc2);
cache.put(3, doc3);
cache.put(4, doc4);
// Cache has 8 bytes total
cache.resize(2);
cache.resize(2);
// Should evict doc1, doc2, doc3 to get down to 2 bytes
assert.equal(cache.get(1), undefined);
assert.equal(cache.get(2), undefined);
assert.equal(cache.get(3), undefined);
assert.equal(cache.get(4), doc4);
});
// Should evict doc1, doc2, doc3 to get down to 2 bytes
assert.equal(cache.get(1), undefined);
assert.equal(cache.get(2), undefined);
assert.equal(cache.get(3), undefined);
assert.equal(cache.get(4), doc4);
});
});

182
frontend/sync-client/src/utils/data-structures/fix-sized-cache.ts
View file

@ -4,116 +4,116 @@ import type { VaultUpdateId } from "../../persistence/database";
// Doubly-linked list node for O(1) LRU operations
class LRUNode {
public constructor(
public key: VaultUpdateId,
public value: Uint8Array,
public prev: LRUNode | null = null,
public next: LRUNode | null = null
) {}
public constructor(
public key: VaultUpdateId,
public value: Uint8Array,
public prev: LRUNode | null = null,
public next: LRUNode | null = null
) {}
}
// evicting the least recently used documents when the size limit is exceeded.
export class FixedSizeDocumentCache {
private currentSizeInBytes: number;
private readonly cache: Map<VaultUpdateId, LRUNode>;
private head: LRUNode | null; // Least recently used
private tail: LRUNode | null; // Most recently used
private currentSizeInBytes: number;
private readonly cache: Map<VaultUpdateId, LRUNode>;
private head: LRUNode | null; // Least recently used
private tail: LRUNode | null; // Most recently used
public constructor(private maxSizeInBytes: number) {
this.currentSizeInBytes = 0;
this.cache = new Map();
this.head = null;
this.tail = null;
}
public constructor(private maxSizeInBytes: number) {
this.currentSizeInBytes = 0;
this.cache = new Map();
this.head = null;
this.tail = null;
}
public get(updateId: VaultUpdateId): Uint8Array | undefined {
const node = this.cache.get(updateId);
if (node) {
this.moveToTail(node);
return node.value;
}
public get(updateId: VaultUpdateId): Uint8Array | undefined {
const node = this.cache.get(updateId);
if (node) {
this.moveToTail(node);
return node.value;
}
return undefined;
}
return undefined;
}
public put(updateId: VaultUpdateId, content: Uint8Array): void {
if (content.byteLength > this.maxSizeInBytes) {
// Document is too large to fit in the cache
return;
}
public put(updateId: VaultUpdateId, content: Uint8Array): void {
if (content.byteLength > this.maxSizeInBytes) {
// Document is too large to fit in the cache
return;
}
// If the document is already in the cache, update it
const existingNode = this.cache.get(updateId);
if (existingNode != null) {
this.currentSizeInBytes -= existingNode.value.byteLength;
this.removeNode(existingNode);
this.cache.delete(updateId);
}
// If the document is already in the cache, update it
const existingNode = this.cache.get(updateId);
if (existingNode != null) {
this.currentSizeInBytes -= existingNode.value.byteLength;
this.removeNode(existingNode);
this.cache.delete(updateId);
}
const newNode = new LRUNode(updateId, content);
this.cache.set(updateId, newNode);
this.addToTail(newNode);
this.currentSizeInBytes += content.byteLength;
this.fitBelowMaxSize();
}
const newNode = new LRUNode(updateId, content);
this.cache.set(updateId, newNode);
this.addToTail(newNode);
this.currentSizeInBytes += content.byteLength;
this.fitBelowMaxSize();
}
public reset(): void {
this.cache.clear();
this.head = null;
this.tail = null;
this.currentSizeInBytes = 0;
}
public reset(): void {
this.cache.clear();
this.head = null;
this.tail = null;
this.currentSizeInBytes = 0;
}
public resize(newMaxSizeInBytes: number): void {
this.maxSizeInBytes = newMaxSizeInBytes;
this.fitBelowMaxSize();
}
public resize(newMaxSizeInBytes: number): void {
this.maxSizeInBytes = newMaxSizeInBytes;
this.fitBelowMaxSize();
}
private fitBelowMaxSize(): void {
// Evict least recently used documents if over size limit
while (this.currentSizeInBytes > this.maxSizeInBytes && this.head) {
const lruNode = this.head;
this.removeNode(lruNode);
this.cache.delete(lruNode.key);
this.currentSizeInBytes -= lruNode.value.byteLength;
}
}
private fitBelowMaxSize(): void {
// Evict least recently used documents if over size limit
while (this.currentSizeInBytes > this.maxSizeInBytes && this.head) {
const lruNode = this.head;
this.removeNode(lruNode);
this.cache.delete(lruNode.key);
this.currentSizeInBytes -= lruNode.value.byteLength;
}
}
private removeNode(node: LRUNode): void {
if (node.prev) {
node.prev.next = node.next;
} else {
this.head = node.next;
}
private removeNode(node: LRUNode): void {
if (node.prev) {
node.prev.next = node.next;
} else {
this.head = node.next;
}
if (node.next) {
node.next.prev = node.prev;
} else {
this.tail = node.prev;
}
if (node.next) {
node.next.prev = node.prev;
} else {
this.tail = node.prev;
}
node.prev = null;
node.next = null;
}
node.prev = null;
node.next = null;
}
private addToTail(node: LRUNode): void {
node.prev = this.tail;
node.next = null;
private addToTail(node: LRUNode): void {
node.prev = this.tail;
node.next = null;
if (this.tail) {
this.tail.next = node;
}
if (this.tail) {
this.tail.next = node;
}
this.tail = node;
this.tail = node;
this.head ??= node;
}
this.head ??= node;
}
private moveToTail(node: LRUNode): void {
if (node === this.tail) {
return;
}
this.removeNode(node);
this.addToTail(node);
}
private moveToTail(node: LRUNode): void {
if (node === this.tail) {
return;
}
this.removeNode(node);
this.addToTail(node);
}
}

366
frontend/sync-client/src/utils/data-structures/locks.test.ts
View file

@ -7,226 +7,226 @@ import { awaitAll } from "../await-all";
import { sleep } from "../sleep";
describe("withLock", () => {
const testPath: RelativePath = "test/document/path";
const testPath2: RelativePath = "test/document/path2";
const logger = new Logger();
const testPath: RelativePath = "test/document/path";
const testPath2: RelativePath = "test/document/path2";
const logger = new Logger();
// eslint-disable-next-line @typescript-eslint/init-declarations
let locks: Locks<RelativePath>;
// eslint-disable-next-line @typescript-eslint/init-declarations
let locks: Locks<RelativePath>;
beforeEach(() => {
locks = new Locks<RelativePath>(logger);
});
beforeEach(() => {
locks = new Locks<RelativePath>(logger);
});
it("should execute function with single key lock", async () => {
let executionCount = 0;
const result = await locks.withLock(testPath, () => {
executionCount++;
return "success";
});
it("should execute function with single key lock", async () => {
let executionCount = 0;
const result = await locks.withLock(testPath, () => {
executionCount++;
return "success";
});
assert.strictEqual(result, "success");
assert.strictEqual(executionCount, 1);
});
assert.strictEqual(result, "success");
assert.strictEqual(executionCount, 1);
});
it("should execute async function with single key lock", async () => {
let executionCount = 0;
const result = await locks.withLock(testPath, async () => {
executionCount++;
await sleep(10);
return "async-success";
});
it("should execute async function with single key lock", async () => {
let executionCount = 0;
const result = await locks.withLock(testPath, async () => {
executionCount++;
await sleep(10);
return "async-success";
});
assert.strictEqual(result, "async-success");
assert.strictEqual(executionCount, 1);
});
assert.strictEqual(result, "async-success");
assert.strictEqual(executionCount, 1);
});
it("should execute function with multiple key locks", async () => {
let executionCount = 0;
const result = await locks.withLock([testPath, testPath2], () => {
executionCount++;
return "multi-success";
});
it("should execute function with multiple key locks", async () => {
let executionCount = 0;
const result = await locks.withLock([testPath, testPath2], () => {
executionCount++;
return "multi-success";
});
assert.strictEqual(result, "multi-success");
assert.strictEqual(executionCount, 1);
});
assert.strictEqual(result, "multi-success");
assert.strictEqual(executionCount, 1);
});
it("should sort multiple keys to prevent deadlocks", async () => {
const executionOrder: string[] = [];
it("should sort multiple keys to prevent deadlocks", async () => {
const executionOrder: string[] = [];
// Start two concurrent operations with keys in different orders
const promise1 = locks.withLock([testPath2, testPath], async () => {
executionOrder.push("operation1-start");
await sleep(50);
executionOrder.push("operation1-end");
return "result1";
});
// Start two concurrent operations with keys in different orders
const promise1 = locks.withLock([testPath2, testPath], async () => {
executionOrder.push("operation1-start");
await sleep(50);
executionOrder.push("operation1-end");
return "result1";
});
const promise2 = locks.withLock([testPath, testPath2], async () => {
executionOrder.push("operation2-start");
await sleep(50);
executionOrder.push("operation2-end");
return "result2";
});
const promise2 = locks.withLock([testPath, testPath2], async () => {
executionOrder.push("operation2-start");
await sleep(50);
executionOrder.push("operation2-end");
return "result2";
});
const [result1, result2] = await awaitAll([promise1, promise2]);
const [result1, result2] = await awaitAll([promise1, promise2]);
assert.strictEqual(result1, "result1");
assert.strictEqual(result2, "result2");
// One operation should complete entirely before the other starts
assert.deepStrictEqual(executionOrder, [
"operation1-start",
"operation1-end",
"operation2-start",
"operation2-end"
]);
});
assert.strictEqual(result1, "result1");
assert.strictEqual(result2, "result2");
// One operation should complete entirely before the other starts
assert.deepStrictEqual(executionOrder, [
"operation1-start",
"operation1-end",
"operation2-start",
"operation2-end"
]);
});
it("should serialize access to same key", async () => {
const executionOrder: string[] = [];
it("should serialize access to same key", async () => {
const executionOrder: string[] = [];
const promise1 = locks.withLock(testPath, async () => {
executionOrder.push("operation1-start");
await sleep(50);
executionOrder.push("operation1-end");
return "result1";
});
const promise1 = locks.withLock(testPath, async () => {
executionOrder.push("operation1-start");
await sleep(50);
executionOrder.push("operation1-end");
return "result1";
});
const promise2 = locks.withLock(testPath, async () => {
executionOrder.push("operation2-start");
await sleep(30);
executionOrder.push("operation2-end");
return "result2";
});
const promise2 = locks.withLock(testPath, async () => {
executionOrder.push("operation2-start");
await sleep(30);
executionOrder.push("operation2-end");
return "result2";
});
const [result1, result2] = await awaitAll([promise1, promise2]);
const [result1, result2] = await awaitAll([promise1, promise2]);
assert.strictEqual(result1, "result1");
assert.strictEqual(result2, "result2");
assert.deepStrictEqual(executionOrder, [
"operation1-start",
"operation1-end",
"operation2-start",
"operation2-end"
]);
});
assert.strictEqual(result1, "result1");
assert.strictEqual(result2, "result2");
assert.deepStrictEqual(executionOrder, [
"operation1-start",
"operation1-end",
"operation2-start",
"operation2-end"
]);
});
it("should allow concurrent access to different keys", async () => {
const executionOrder: string[] = [];
it("should allow concurrent access to different keys", async () => {
const executionOrder: string[] = [];
const promise1 = locks.withLock(testPath, async () => {
executionOrder.push("operation1-start");
await sleep(50);
const promise1 = locks.withLock(testPath, async () => {
executionOrder.push("operation1-start");
await sleep(50);
executionOrder.push("operation1-end");
return "result1";
});
executionOrder.push("operation1-end");
return "result1";
});
const promise2 = locks.withLock(testPath2, async () => {
executionOrder.push("operation2-start");
await sleep(30);
executionOrder.push("operation2-end");
return "result2";
});
const promise2 = locks.withLock(testPath2, async () => {
executionOrder.push("operation2-start");
await sleep(30);
executionOrder.push("operation2-end");
return "result2";
});
const [result1, result2] = await awaitAll([promise1, promise2]);
const [result1, result2] = await awaitAll([promise1, promise2]);
assert.strictEqual(result1, "result1");
assert.strictEqual(result2, "result2");
// Both operations should run concurrently
assert.strictEqual(executionOrder[0], "operation1-start");
assert.strictEqual(executionOrder[1], "operation2-start");
});
assert.strictEqual(result1, "result1");
assert.strictEqual(result2, "result2");
// Both operations should run concurrently
assert.strictEqual(executionOrder[0], "operation1-start");
assert.strictEqual(executionOrder[1], "operation2-start");
});
it("should release locks even if function throws", async () => {
const error = new Error("test error");
it("should release locks even if function throws", async () => {
const error = new Error("test error");
await assert.rejects(
locks.withLock(testPath, () => {
throw error;
}),
{ message: "test error" }
);
await assert.rejects(
locks.withLock(testPath, () => {
throw error;
}),
{ message: "test error" }
);
// Lock should be released, allowing another operation
const result = await locks.withLock(
testPath,
() => "success-after-error"
);
assert.strictEqual(result, "success-after-error");
});
// Lock should be released, allowing another operation
const result = await locks.withLock(
testPath,
() => "success-after-error"
);
assert.strictEqual(result, "success-after-error");
});
it("should release locks even if async function throws", async () => {
const error = new Error("async test error");
it("should release locks even if async function throws", async () => {
const error = new Error("async test error");
await assert.rejects(
locks.withLock(testPath, async () => {
await sleep(10);
await assert.rejects(
locks.withLock(testPath, async () => {
await sleep(10);
throw error;
}),
{ message: "async test error" }
);
throw error;
}),
{ message: "async test error" }
);
// Lock should be released, allowing another operation
const result = await locks.withLock(
testPath,
() => "success-after-async-error"
);
assert.strictEqual(result, "success-after-async-error");
});
// Lock should be released, allowing another operation
const result = await locks.withLock(
testPath,
() => "success-after-async-error"
);
assert.strictEqual(result, "success-after-async-error");
});
it("should handle empty array of keys", async () => {
const result = await locks.withLock([], () => "empty-keys");
assert.strictEqual(result, "empty-keys");
});
it("should handle empty array of keys", async () => {
const result = await locks.withLock([], () => "empty-keys");
assert.strictEqual(result, "empty-keys");
});
it("should maintain FIFO order for multiple waiters", async () => {
const executionOrder: string[] = [];
it("should maintain FIFO order for multiple waiters", async () => {
const executionOrder: string[] = [];
// Start first operation that holds the lock
const firstPromise = locks.withLock(testPath, async () => {
executionOrder.push("first-start");
await sleep(100);
executionOrder.push("first-end");
return "first";
});
// Start first operation that holds the lock
const firstPromise = locks.withLock(testPath, async () => {
executionOrder.push("first-start");
await sleep(100);
executionOrder.push("first-end");
return "first";
});
// Small delay to ensure first operation starts
await sleep(10);
// Small delay to ensure first operation starts
await sleep(10);
// Queue second and third operations
const secondPromise = locks.withLock(testPath, async () => {
executionOrder.push("second-start");
await sleep(50);
executionOrder.push("second-end");
return "second";
});
// Queue second and third operations
const secondPromise = locks.withLock(testPath, async () => {
executionOrder.push("second-start");
await sleep(50);
executionOrder.push("second-end");
return "second";
});
const thirdPromise = locks.withLock(testPath, async () => {
executionOrder.push("third-start");
await sleep(20);
executionOrder.push("third-end");
return "third";
});
const thirdPromise = locks.withLock(testPath, async () => {
executionOrder.push("third-start");
await sleep(20);
executionOrder.push("third-end");
return "third";
});
const [first, second, third] = await awaitAll([
firstPromise,
secondPromise,
thirdPromise
]);
const [first, second, third] = await awaitAll([
firstPromise,
secondPromise,
thirdPromise
]);
assert.strictEqual(first, "first");
assert.strictEqual(second, "second");
assert.strictEqual(third, "third");
assert.deepStrictEqual(executionOrder, [
"first-start",
"first-end",
"second-start",
"second-end",
"third-start",
"third-end"
]);
});
assert.strictEqual(first, "first");
assert.strictEqual(second, "second");
assert.strictEqual(third, "third");
assert.deepStrictEqual(executionOrder, [
"first-start",
"first-end",
"second-start",
"second-end",
"third-start",
"third-end"
]);
});
});

242
frontend/sync-client/src/utils/data-structures/locks.ts
View file

@ -8,148 +8,148 @@ import { awaitAll } from "../await-all";
* @template T The type of the key used for locking
*/
export class Locks<T> {
/** Currently locked keys */
private readonly locked = new Set<T>();
/** Currently locked keys */
private readonly locked = new Set<T>();
/** Queue of resolve functions waiting for each key */
private readonly waiters = new Map<T, (() => unknown)[]>();
/** Queue of resolve functions waiting for each key */
private readonly waiters = new Map<T, (() => unknown)[]>();
public constructor(private readonly logger?: Logger) {}
public constructor(private readonly logger?: Logger) {}
/**
* Executes a function while holding exclusive locks on one or more keys.
*
* This method ensures that the provided function runs with exclusive access to the
* specified key(s). Multiple keys are sorted to prevent deadlocks when different
* operations request the same keys in different orders.
*
* @template R The return type of the function to execute
* @param keyOrKeys A single key or array of keys to lock during function execution
* @param fn The function to execute while holding the lock(s). Can be sync or async.
* @returns A Promise that resolves to the return value of the executed function
*
* @example
* ```typescript
* // Lock a single key
* const result = await locks.withLock('file1', () => {
* // Critical section - only one operation can access 'file1' at a time
* return processFile('file1');
* });
*
* // Lock multiple keys (prevents deadlocks through consistent ordering)
* await locks.withLock(['file1', 'file2'], async () => {
* // Critical section - exclusive access to both files
* await moveFile('file1', 'file2');
* });
* ```
*
* @throws Any error thrown by the provided function will be propagated after locks are released
*/
public async withLock<R>(
keyOrKeys: T | T[],
fn: () => R | Promise<R>
): Promise<R> {
const keys = Array.isArray(keyOrKeys) ? keyOrKeys : [keyOrKeys];
/**
* Executes a function while holding exclusive locks on one or more keys.
*
* This method ensures that the provided function runs with exclusive access to the
* specified key(s). Multiple keys are sorted to prevent deadlocks when different
* operations request the same keys in different orders.
*
* @template R The return type of the function to execute
* @param keyOrKeys A single key or array of keys to lock during function execution
* @param fn The function to execute while holding the lock(s). Can be sync or async.
* @returns A Promise that resolves to the return value of the executed function
*
* @example
* ```typescript
* // Lock a single key
* const result = await locks.withLock('file1', () => {
* // Critical section - only one operation can access 'file1' at a time
* return processFile('file1');
* });
*
* // Lock multiple keys (prevents deadlocks through consistent ordering)
* await locks.withLock(['file1', 'file2'], async () => {
* // Critical section - exclusive access to both files
* await moveFile('file1', 'file2');
* });
* ```
*
* @throws Any error thrown by the provided function will be propagated after locks are released
*/
public async withLock<R>(
keyOrKeys: T | T[],
fn: () => R | Promise<R>
): Promise<R> {
const keys = Array.isArray(keyOrKeys) ? keyOrKeys : [keyOrKeys];
// Deduplicate keys to prevent deadlock from acquiring same lock twice
const uniqueKeys = Array.from(new Set(keys));
uniqueKeys.sort((a, b) => String(a).localeCompare(String(b))); // Ensure consistent order to prevent deadlocks
// Deduplicate keys to prevent deadlock from acquiring same lock twice
const uniqueKeys = Array.from(new Set(keys));
uniqueKeys.sort((a, b) => String(a).localeCompare(String(b))); // Ensure consistent order to prevent deadlocks
await awaitAll(uniqueKeys.map(async (key) => this.waitForLock(key)));
await awaitAll(uniqueKeys.map(async (key) => this.waitForLock(key)));
try {
return await fn();
} finally {
uniqueKeys.forEach((key) => {
this.unlock(key);
});
}
}
try {
return await fn();
} finally {
uniqueKeys.forEach((key) => {
this.unlock(key);
});
}
}
public reset(): void {
this.locked.clear();
this.waiters.clear();
}
public reset(): void {
this.locked.clear();
this.waiters.clear();
}
/**
* Attempts to acquire a lock immediately without waiting.
* Must call `unlock()` if successful.
*
* @param key The key to lock
* @returns `true` if lock acquired, `false` if already locked
*/
public tryLock(key: T): boolean {
if (this.locked.has(key)) {
return false;
}
/**
* Attempts to acquire a lock immediately without waiting.
* Must call `unlock()` if successful.
*
* @param key The key to lock
* @returns `true` if lock acquired, `false` if already locked
*/
public tryLock(key: T): boolean {
if (this.locked.has(key)) {
return false;
}
this.locked.add(key);
this.locked.add(key);
return true;
}
return true;
}
/**
* Waits to acquire a lock, blocking until available.
* Operations are queued in FIFO order. Must call `unlock()` when done.
*
* @param key The key to wait for and lock
* @returns Promise that resolves when lock is acquired
*/
public async waitForLock(key: T): Promise<void> {
if (this.tryLock(key)) {
return Promise.resolve();
}
/**
* Waits to acquire a lock, blocking until available.
* Operations are queued in FIFO order. Must call `unlock()` when done.
*
* @param key The key to wait for and lock
* @returns Promise that resolves when lock is acquired
*/
public async waitForLock(key: T): Promise<void> {
if (this.tryLock(key)) {
return Promise.resolve();
}
this.logger?.debug(`Waiting for lock on ${key}`);
this.logger?.debug(`Waiting for lock on ${key}`);
return new Promise((resolve) => {
// DefaultDict behavior
let waiting = this.waiters.get(key);
if (!waiting) {
waiting = [];
this.waiters.set(key, waiting);
}
return new Promise((resolve) => {
// DefaultDict behavior
let waiting = this.waiters.get(key);
if (!waiting) {
waiting = [];
this.waiters.set(key, waiting);
}
waiting.push(resolve);
});
}
waiting.push(resolve);
});
}
/**
* Releases a lock and grants access to the next waiting operation in FIFO order.
* Removes the key from locked set if no waiters.
*
* @param key The key to unlock
* @throws {Error} If key is not currently locked
*/
public unlock(key: T): void {
if (!this.locked.has(key)) {
return;
}
/**
* Releases a lock and grants access to the next waiting operation in FIFO order.
* Removes the key from locked set if no waiters.
*
* @param key The key to unlock
* @throws {Error} If key is not currently locked
*/
public unlock(key: T): void {
if (!this.locked.has(key)) {
return;
}
// Remove first waiter to ensure FIFO order
const nextWaiting = this.waiters.get(key)?.shift();
// Remove first waiter to ensure FIFO order
const nextWaiting = this.waiters.get(key)?.shift();
if (nextWaiting) {
this.logger?.debug(`Granted lock on ${key}`);
nextWaiting();
} else {
this.locked.delete(key);
}
}
if (nextWaiting) {
this.logger?.debug(`Granted lock on ${key}`);
nextWaiting();
} else {
this.locked.delete(key);
}
}
}
export class Lock {
private readonly locks: Locks<boolean>;
private readonly locks: Locks<boolean>;
public constructor(logger?: Logger) {
this.locks = new Locks(logger);
}
public constructor(logger?: Logger) {
this.locks = new Locks(logger);
}
public async withLock<R>(fn: () => R | Promise<R>): Promise<R> {
return this.locks.withLock(true, fn);
}
public async withLock<R>(fn: () => R | Promise<R>): Promise<R> {
return this.locks.withLock(true, fn);
}
public reset(): void {
this.locks.reset();
}
public reset(): void {
this.locks.reset();
}
}

128
frontend/sync-client/src/utils/data-structures/min-covered.test.ts
View file

@ -3,74 +3,74 @@ import assert from "node:assert";
import { CoveredValues } from "./min-covered";
describe("CoveredValues", () => {
it("should initialize with the given min value", () => {
const covered = new CoveredValues(5);
assert.strictEqual(covered.min, 5);
});
it("should initialize with the given min value", () => {
const covered = new CoveredValues(5);
assert.strictEqual(covered.min, 5);
});
it("should add values greater than min", () => {
const covered = new CoveredValues(0);
covered.add(3);
assert.strictEqual(covered.min, 0);
covered.add(1);
assert.strictEqual(covered.min, 1);
covered.add(4);
assert.strictEqual(covered.min, 1);
covered.add(2);
assert.strictEqual(covered.min, 4);
});
it("should add values greater than min", () => {
const covered = new CoveredValues(0);
covered.add(3);
assert.strictEqual(covered.min, 0);
covered.add(1);
assert.strictEqual(covered.min, 1);
covered.add(4);
assert.strictEqual(covered.min, 1);
covered.add(2);
assert.strictEqual(covered.min, 4);
});
it("should ignore duplicate values", () => {
const covered = new CoveredValues(0);
covered.add(3);
covered.add(3);
covered.add(3);
assert.strictEqual(covered.min, 0);
covered.add(1);
covered.add(2);
assert.strictEqual(covered.min, 3);
});
it("should ignore duplicate values", () => {
const covered = new CoveredValues(0);
covered.add(3);
covered.add(3);
covered.add(3);
assert.strictEqual(covered.min, 0);
covered.add(1);
covered.add(2);
assert.strictEqual(covered.min, 3);
});
it("should handle multiple consecutive values", () => {
const covered = new CoveredValues(132);
for (let i = 250; i > 132; i--) {
assert.strictEqual(covered.min, 132);
covered.add(i);
}
assert.strictEqual(covered.min, 250);
});
it("should handle multiple consecutive values", () => {
const covered = new CoveredValues(132);
for (let i = 250; i > 132; i--) {
assert.strictEqual(covered.min, 132);
covered.add(i);
}
assert.strictEqual(covered.min, 250);
});
it("should handle adding values lower than current min", () => {
const covered = new CoveredValues(5);
covered.add(3);
assert.strictEqual(covered.min, 5);
covered.add(6);
assert.strictEqual(covered.min, 6);
});
it("should handle adding values lower than current min", () => {
const covered = new CoveredValues(5);
covered.add(3);
assert.strictEqual(covered.min, 5);
covered.add(6);
assert.strictEqual(covered.min, 6);
});
it("should auto-advance when setting min value", () => {
const covered = new CoveredValues(5);
covered.add(7);
covered.add(8);
covered.add(9);
assert.strictEqual(covered.min, 5);
// Setting min to 6 should auto-advance through 7, 8, 9
covered.min = 6;
assert.strictEqual(covered.min, 9);
covered.add(10);
assert.strictEqual(covered.min, 10);
});
it("should auto-advance when setting min value", () => {
const covered = new CoveredValues(5);
covered.add(7);
covered.add(8);
covered.add(9);
assert.strictEqual(covered.min, 5);
// Setting min to 6 should auto-advance through 7, 8, 9
covered.min = 6;
assert.strictEqual(covered.min, 9);
covered.add(10);
assert.strictEqual(covered.min, 10);
});
it("should handle setting min value with no consecutive values", () => {
const covered = new CoveredValues(5);
covered.add(10);
covered.add(15);
assert.strictEqual(covered.min, 5);
// Setting min to 8 should not auto-advance (no consecutive values)
covered.min = 8;
assert.strictEqual(covered.min, 8);
// Add 9 to trigger auto-advance to 10
covered.add(9);
assert.strictEqual(covered.min, 10);
});
it("should handle setting min value with no consecutive values", () => {
const covered = new CoveredValues(5);
covered.add(10);
covered.add(15);
assert.strictEqual(covered.min, 5);
// Setting min to 8 should not auto-advance (no consecutive values)
covered.min = 8;
assert.strictEqual(covered.min, 8);
// Add 9 to trigger auto-advance to 10
covered.add(9);
assert.strictEqual(covered.min, 10);
});
});

72
frontend/sync-client/src/utils/data-structures/min-covered.ts
View file

@ -14,48 +14,48 @@
* ```
*/
export class CoveredValues {
private seenValues: number[] = [];
private seenValues: number[] = [];
public constructor(private minValue: number) {}
public constructor(private minValue: number) {}
public get min(): number {
return this.minValue;
}
public get min(): number {
return this.minValue;
}
public set min(value: number) {
this.minValue = Math.max(value, this.minValue);
this.seenValues = this.seenValues.filter((v) => v > this.minValue);
this.advanceMinWhilePossible();
}
public set min(value: number) {
this.minValue = Math.max(value, this.minValue);
this.seenValues = this.seenValues.filter((v) => v > this.minValue);
this.advanceMinWhilePossible();
}
public add(value: number | undefined): void {
if (value === undefined || value < this.minValue) {
return;
}
public add(value: number | undefined): void {
if (value === undefined || value < this.minValue) {
return;
}
let i = 0;
while (i < this.seenValues.length && this.seenValues[i] < value) {
i++;
}
let i = 0;
while (i < this.seenValues.length && this.seenValues[i] < value) {
i++;
}
if (i === this.seenValues.length) {
this.seenValues.push(value);
} else if (this.seenValues[i] === value) {
return;
} else {
this.seenValues.splice(i, 0, value);
}
if (i === this.seenValues.length) {
this.seenValues.push(value);
} else if (this.seenValues[i] === value) {
return;
} else {
this.seenValues.splice(i, 0, value);
}
this.advanceMinWhilePossible();
}
this.advanceMinWhilePossible();
}
private advanceMinWhilePossible(): void {
while (
this.seenValues.length > 0 &&
this.seenValues[0] === this.minValue + 1
) {
this.seenValues.shift();
this.minValue++;
}
}
private advanceMinWhilePossible(): void {
while (
this.seenValues.length > 0 &&
this.seenValues[0] === this.minValue + 1
) {
this.seenValues.shift();
this.minValue++;
}
}
}

34
frontend/sync-client/src/utils/debugging/log-to-console.ts
View file

@ -3,22 +3,22 @@ import type { LogLine } from "../../tracing/logger";
import { LogLevel } from "../../tracing/logger";
export function logToConsole(client: SyncClient): void {
client.logger.onLogEmitted.add((logLine: LogLine) => {
const formatted = `${logLine.timestamp.toISOString()} ${logLine.level} ${logLine.message}`;
client.logger.onLogEmitted.add((logLine: LogLine) => {
const formatted = `${logLine.timestamp.toISOString()} ${logLine.level} ${logLine.message}`;
switch (logLine.level) {
case LogLevel.ERROR:
console.error(formatted);
break;
case LogLevel.WARNING:
console.warn(formatted);
break;
case LogLevel.INFO:
console.info(formatted);
break;
case LogLevel.DEBUG:
console.debug(formatted);
break;
}
});
switch (logLine.level) {
case LogLevel.ERROR:
console.error(formatted);
break;
case LogLevel.WARNING:
console.warn(formatted);
break;
case LogLevel.INFO:
console.info(formatted);
break;
case LogLevel.DEBUG:
console.debug(formatted);
break;
}
});
}

28
frontend/sync-client/src/utils/debugging/slow-fetch-factory.ts
View file

@ -1,20 +1,20 @@
import { sleep } from "../sleep";
export const slowFetchFactory =
(jitterScaleInSeconds: number) =>
async (
input: string | URL | globalThis.Request,
init?: RequestInit
): Promise<Response> => {
if (jitterScaleInSeconds > 0) {
await sleep(((Math.random() * jitterScaleInSeconds) / 2) * 1000);
}
(jitterScaleInSeconds: number) =>
async (
input: string | URL | globalThis.Request,
init?: RequestInit
): Promise<Response> => {
if (jitterScaleInSeconds > 0) {
await sleep(((Math.random() * jitterScaleInSeconds) / 2) * 1000);
}
const response = await fetch(input, init);
const response = await fetch(input, init);
if (jitterScaleInSeconds > 0) {
await sleep(((Math.random() * jitterScaleInSeconds) / 2) * 1000);
}
if (jitterScaleInSeconds > 0) {
await sleep(((Math.random() * jitterScaleInSeconds) / 2) * 1000);
}
return response;
};
return response;
};

130
frontend/sync-client/src/utils/debugging/slow-web-socket-factory.ts
View file

@ -3,79 +3,79 @@ import { Locks } from "../data-structures/locks";
import type { Logger } from "../../tracing/logger";
export function slowWebSocketFactory(
jitterScaleInSeconds: number,
logger: Logger
jitterScaleInSeconds: number,
logger: Logger
): typeof WebSocket {
// eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion
return class FlakyWebSocket extends WebSocket {
private static readonly RECEIVE_KEY = "websocket-receive";
private static readonly SEND_KEY = "websocket-send";
// eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion
return class FlakyWebSocket extends WebSocket {
private static readonly RECEIVE_KEY = "websocket-receive";
private static readonly SEND_KEY = "websocket-send";
private readonly locks = new Locks(logger);
private readonly locks = new Locks(logger);
public set onopen(callback: ((event: Event) => void) | null) {
super.onopen = async (event: Event): Promise<void> => {
if (jitterScaleInSeconds > 0) {
await sleep(Math.random() * jitterScaleInSeconds * 1000);
}
public set onopen(callback: ((event: Event) => void) | null) {
super.onopen = async (event: Event): Promise<void> => {
if (jitterScaleInSeconds > 0) {
await sleep(Math.random() * jitterScaleInSeconds * 1000);
}
callback?.(event);
};
}
callback?.(event);
};
}
public set onmessage(callback: ((event: MessageEvent) => void) | null) {
super.onmessage = async (event: MessageEvent): Promise<void> => {
await this.locks.withLock(
FlakyWebSocket.RECEIVE_KEY,
async () => {
if (jitterScaleInSeconds > 0) {
await sleep(
Math.random() * jitterScaleInSeconds * 1000
);
}
public set onmessage(callback: ((event: MessageEvent) => void) | null) {
super.onmessage = async (event: MessageEvent): Promise<void> => {
await this.locks.withLock(
FlakyWebSocket.RECEIVE_KEY,
async () => {
if (jitterScaleInSeconds > 0) {
await sleep(
Math.random() * jitterScaleInSeconds * 1000
);
}
callback?.(event);
}
);
};
}
callback?.(event);
}
);
};
}
public set onclose(callback: ((event: CloseEvent) => void) | null) {
super.onclose = async (event: CloseEvent): Promise<void> => {
if (jitterScaleInSeconds > 0) {
await sleep(Math.random() * jitterScaleInSeconds * 1000);
}
callback?.(event);
};
}
public set onclose(callback: ((event: CloseEvent) => void) | null) {
super.onclose = async (event: CloseEvent): Promise<void> => {
if (jitterScaleInSeconds > 0) {
await sleep(Math.random() * jitterScaleInSeconds * 1000);
}
callback?.(event);
};
}
public set onerror(callback: ((event: Event) => void) | null) {
super.onerror = async (event: Event): Promise<void> => {
if (jitterScaleInSeconds > 0) {
await sleep(Math.random() * jitterScaleInSeconds * 1000);
}
callback?.(event);
};
}
public set onerror(callback: ((event: Event) => void) | null) {
super.onerror = async (event: Event): Promise<void> => {
if (jitterScaleInSeconds > 0) {
await sleep(Math.random() * jitterScaleInSeconds * 1000);
}
callback?.(event);
};
}
public send(
data: string | ArrayBufferLike | Blob | ArrayBufferView
): void {
this.waitingSend(data).catch((error: unknown) => {
logger.error(`Error sending WebSocket message: ${error}`);
});
}
public send(
data: string | ArrayBufferLike | Blob | ArrayBufferView
): void {
this.waitingSend(data).catch((error: unknown) => {
logger.error(`Error sending WebSocket message: ${error}`);
});
}
private async waitingSend(
data: string | ArrayBufferLike | Blob | ArrayBufferView
): Promise<void> {
// maintain message order
await this.locks.withLock(FlakyWebSocket.SEND_KEY, async () => {
if (jitterScaleInSeconds > 0) {
await sleep(Math.random() * jitterScaleInSeconds * 1000);
}
super.send(data);
});
}
} as unknown as typeof WebSocket;
private async waitingSend(
data: string | ArrayBufferLike | Blob | ArrayBufferView
): Promise<void> {
// maintain message order
await this.locks.withLock(FlakyWebSocket.SEND_KEY, async () => {
if (jitterScaleInSeconds > 0) {
await sleep(Math.random() * jitterScaleInSeconds * 1000);
}
super.send(data);
});
}
} as unknown as typeof WebSocket;
}

12
frontend/sync-client/src/utils/find-matching-file.ts
View file

@ -3,12 +3,12 @@ import { EMPTY_HASH } from "./hash";
// TODO: make this smarter so that offline files can be renamed & edited at the same time
export function findMatchingFile(
contentHash: string,
candidates: DocumentRecord[]
contentHash: string,
candidates: DocumentRecord[]
): DocumentRecord | undefined {
if (contentHash === EMPTY_HASH) {
return undefined;
}
if (contentHash === EMPTY_HASH) {
return undefined;
}
return candidates.find(({ metadata }) => metadata?.hash === contentHash);
return candidates.find(({ metadata }) => metadata?.hash === contentHash);
}

14
frontend/sync-client/src/utils/get-random-color.ts
View file

@ -1,9 +1,9 @@
export function getRandomColor(name: string): string {
let hash = 0;
for (let i = 0; i < name.length; i++) {
hash = (hash << 5) - hash + name.charCodeAt(i);
hash |= 0; // Convert to 32bit integer
}
const normalised = hash / 0x7fffffff;
return `oklch(0.58 0.15 ${Math.round(Math.abs(normalised * 360))})`;
let hash = 0;
for (let i = 0; i < name.length; i++) {
hash = (hash << 5) - hash + name.charCodeAt(i);
hash |= 0; // Convert to 32bit integer
}
const normalised = hash / 0x7fffffff;
return `oklch(0.58 0.15 ${Math.round(Math.abs(normalised * 360))})`;
}

10
frontend/sync-client/src/utils/globs-to-regexes.test.ts
View file

@ -4,10 +4,10 @@ import { Logger } from "../tracing/logger";
import { globsToRegexes } from "./globs-to-regexes";
describe("globsToRegexes", () => {
it("basicExample", async () => {
const [regex] = globsToRegexes([".git/**"], new Logger());
it("basicExample", async () => {
const [regex] = globsToRegexes([".git/**"], new Logger());
assert.ok(regex.test(".git/objects/object"));
assert.ok(regex.test(".git/objects/.object"));
});
assert.ok(regex.test(".git/objects/object"));
assert.ok(regex.test(".git/objects/.object"));
});
});

32
frontend/sync-client/src/utils/globs-to-regexes.ts
View file

@ -2,20 +2,20 @@ import { makeRe } from "minimatch";
import type { Logger } from "../tracing/logger";
export function globsToRegexes(globs: string[], logger: Logger): RegExp[] {
return (
globs
.map((pattern) => {
const result = makeRe(pattern, {
dot: true
});
if (result === false) {
logger.warn(
`Failed to parse ${pattern}' as a glob pattern, skipping it`
);
}
return result;
})
// eslint-disable-next-line no-restricted-syntax -- Filtering out false values, not removing a specific item
.filter((pattern) => pattern !== false)
);
return (
globs
.map((pattern) => {
const result = makeRe(pattern, {
dot: true
});
if (result === false) {
logger.warn(
`Failed to parse ${pattern}' as a glob pattern, skipping it`
);
}
return result;
})
// eslint-disable-next-line no-restricted-syntax -- Filtering out false values, not removing a specific item
.filter((pattern) => pattern !== false)
);
}

14
frontend/sync-client/src/utils/hash.ts
View file

@ -1,12 +1,12 @@
// https://stackoverflow.com/questions/7616461/generate-a-hash-from-string-in-javascript
export function hash(content: Uint8Array): string {
let result = 0;
// eslint-disable-next-line @typescript-eslint/prefer-for-of
for (let i = 0; i < content.length; i++) {
result = (result << 5) - result + content[i];
result |= 0; // Convert to 32bit integer
}
return Math.abs(result).toString(16).padStart(8, "0");
let result = 0;
// eslint-disable-next-line @typescript-eslint/prefer-for-of
for (let i = 0; i < content.length; i++) {
result = (result << 5) - result + content[i];
result |= 0; // Convert to 32bit integer
}
return Math.abs(result).toString(16).padStart(8, "0");
}
export const EMPTY_HASH = hash(new Uint8Array(0));

22
frontend/sync-client/src/utils/is-binary.ts
View file

@ -1,16 +1,16 @@
// Text is unlikely to contain null bytes, so we can use that to distinguish binary files.
export function isBinary(content: Uint8Array): boolean {
for (const byte of content) {
if (byte === 0) {
return true;
}
}
for (const byte of content) {
if (byte === 0) {
return true;
}
}
try {
new TextDecoder("utf-8", { fatal: true }).decode(content);
} catch {
return true;
}
try {
new TextDecoder("utf-8", { fatal: true }).decode(content);
} catch {
return true;
}
return false;
return false;
}

126
frontend/sync-client/src/utils/is-file-type-mergable.test.ts
View file

@ -4,70 +4,70 @@ import { isFileTypeMergable } from "./is-file-type-mergable";
const mergableExtensions = ["md", "txt"];
describe("isFileTypeMergable", () => {
it("should return true for .md files", () => {
assert.strictEqual(isFileTypeMergable(".md", mergableExtensions), true);
assert.strictEqual(
isFileTypeMergable("hi.md", mergableExtensions),
true
);
assert.strictEqual(
isFileTypeMergable("my/path/to/my/document.md", mergableExtensions),
true
);
});
it("should return true for .md files", () => {
assert.strictEqual(isFileTypeMergable(".md", mergableExtensions), true);
assert.strictEqual(
isFileTypeMergable("hi.md", mergableExtensions),
true
);
assert.strictEqual(
isFileTypeMergable("my/path/to/my/document.md", mergableExtensions),
true
);
});
it("should return true for .txt files", () => {
assert.strictEqual(
isFileTypeMergable(".txt", mergableExtensions),
true
);
assert.strictEqual(
isFileTypeMergable("hi.txt", mergableExtensions),
true
);
assert.strictEqual(
isFileTypeMergable(
"my/path/to/my/document.txt",
mergableExtensions
),
true
);
});
it("should return true for .txt files", () => {
assert.strictEqual(
isFileTypeMergable(".txt", mergableExtensions),
true
);
assert.strictEqual(
isFileTypeMergable("hi.txt", mergableExtensions),
true
);
assert.strictEqual(
isFileTypeMergable(
"my/path/to/my/document.txt",
mergableExtensions
),
true
);
});
it("should be case insensitive", () => {
assert.strictEqual(
isFileTypeMergable("hi.MD", mergableExtensions),
true
);
assert.strictEqual(
isFileTypeMergable("my/path/to/my/DOCUMENT.MD", mergableExtensions),
true
);
assert.strictEqual(
isFileTypeMergable("hi.TXT", mergableExtensions),
true
);
assert.strictEqual(
isFileTypeMergable(
"my/path/to/my/DOCUMENT.TXT",
mergableExtensions
),
true
);
});
it("should be case insensitive", () => {
assert.strictEqual(
isFileTypeMergable("hi.MD", mergableExtensions),
true
);
assert.strictEqual(
isFileTypeMergable("my/path/to/my/DOCUMENT.MD", mergableExtensions),
true
);
assert.strictEqual(
isFileTypeMergable("hi.TXT", mergableExtensions),
true
);
assert.strictEqual(
isFileTypeMergable(
"my/path/to/my/DOCUMENT.TXT",
mergableExtensions
),
true
);
});
it("should return false for non-mergable file types", () => {
assert.strictEqual(
isFileTypeMergable(".json", mergableExtensions),
false
);
assert.strictEqual(
isFileTypeMergable("HELLO.JSON", mergableExtensions),
false
);
assert.strictEqual(
isFileTypeMergable("my/config.yml", mergableExtensions),
false
);
});
it("should return false for non-mergable file types", () => {
assert.strictEqual(
isFileTypeMergable(".json", mergableExtensions),
false
);
assert.strictEqual(
isFileTypeMergable("HELLO.JSON", mergableExtensions),
false
);
assert.strictEqual(
isFileTypeMergable("my/config.yml", mergableExtensions),
false
);
});
});

10
frontend/sync-client/src/utils/is-file-type-mergable.ts
View file

@ -1,9 +1,9 @@
export function isFileTypeMergable(
pathOrFileName: string,
mergeableExtensions: string[]
pathOrFileName: string,
mergeableExtensions: string[]
): boolean {
const parts = pathOrFileName.split(".");
const fileExtension = parts.at(-1) ?? "";
const parts = pathOrFileName.split(".");
const fileExtension = parts.at(-1) ?? "";
return mergeableExtensions.includes(fileExtension.toLowerCase());
return mergeableExtensions.includes(fileExtension.toLowerCase());
}

64
frontend/sync-client/src/utils/line-and-column-to-position.test.ts
View file

@ -3,42 +3,42 @@ import assert from "node:assert";
import { lineAndColumnToPosition } from "./line-and-column-to-position";
describe("lineAndColumnToPosition", () => {
it("should return the correct position for the first line", () => {
const text = "Hello\nWorld";
const position = lineAndColumnToPosition(text, 0, 3);
assert.strictEqual(position, 3);
});
it("should return the correct position for the first line", () => {
const text = "Hello\nWorld";
const position = lineAndColumnToPosition(text, 0, 3);
assert.strictEqual(position, 3);
});
it("should return the correct position for the second line", () => {
const text = "Hello\nWorld";
const position = lineAndColumnToPosition(text, 1, 2);
assert.strictEqual(position, 8);
});
it("should return the correct position for the second line", () => {
const text = "Hello\nWorld";
const position = lineAndColumnToPosition(text, 1, 2);
assert.strictEqual(position, 8);
});
it("should return the correct position for an empty string", () => {
const text = "";
const position = lineAndColumnToPosition(text, 0, 0);
assert.strictEqual(position, 0);
});
it("should return the correct position for an empty string", () => {
const text = "";
const position = lineAndColumnToPosition(text, 0, 0);
assert.strictEqual(position, 0);
});
it("with carrige return", () => {
assert.strictEqual(lineAndColumnToPosition("a\nb", 1, 1), 3);
assert.strictEqual(lineAndColumnToPosition("a\r\nb", 1, 1), 3);
});
it("with carrige return", () => {
assert.strictEqual(lineAndColumnToPosition("a\nb", 1, 1), 3);
assert.strictEqual(lineAndColumnToPosition("a\r\nb", 1, 1), 3);
});
it("should handle multi-line strings with varying lengths", () => {
const text = "Line1\nLongerLine2\nShort3";
const position = lineAndColumnToPosition(text, 2, 4);
assert.strictEqual(position, 22);
});
it("should handle multi-line strings with varying lengths", () => {
const text = "Line1\nLongerLine2\nShort3";
const position = lineAndColumnToPosition(text, 2, 4);
assert.strictEqual(position, 22);
});
it("should throw an error if the line number is out of range", () => {
const text = "Line1\nLine2";
assert.throws(() => lineAndColumnToPosition(text, 3, 0));
});
it("should throw an error if the line number is out of range", () => {
const text = "Line1\nLine2";
assert.throws(() => lineAndColumnToPosition(text, 3, 0));
});
it("should throw an error if the column number is out of range", () => {
const text = "Line1\nLine2";
assert.throws(() => lineAndColumnToPosition(text, 1, 10));
});
it("should throw an error if the column number is out of range", () => {
const text = "Line1\nLine2";
assert.throws(() => lineAndColumnToPosition(text, 1, 10));
});
});

32
frontend/sync-client/src/utils/line-and-column-to-position.ts
View file

@ -9,26 +9,26 @@
* @throws Error if column number is out of range
*/
export function lineAndColumnToPosition(
text: string,
line: number,
column: number
text: string,
line: number,
column: number
): number {
const lines = text.replaceAll("\r", "").split("\n");
const lines = text.replaceAll("\r", "").split("\n");
if (line >= lines.length) {
throw new Error(`Line number ${line} is out of range.`);
}
if (line >= lines.length) {
throw new Error(`Line number ${line} is out of range.`);
}
if (column > lines[line].length) {
throw new Error(`Column number ${column} is out of range.`);
}
if (column > lines[line].length) {
throw new Error(`Column number ${column} is out of range.`);
}
let position = 0;
for (let i = 0; i < line; i++) {
position += lines[i].length + 1;
}
let position = 0;
for (let i = 0; i < line; i++) {
position += lines[i].length + 1;
}
position += column;
position += column;
return position;
return position;
}

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