vault-link/frontend/obsidian-plugin/src/obsidian-file-system.ts

139 lines
3.5 KiB
TypeScript

import type { Stat, Vault, Workspace } from "obsidian";
import { MarkdownView, normalizePath } from "obsidian";
import type {
FileSystemOperations,
RelativePath,
TextWithCursors
} from "sync-client";
import { lineAndColumnToPosition } from "./utils/line-and-column-to-position";
import { positionToLineAndColumn } from "./utils/position-to-line-and-column";
export class ObsidianFileSystemOperations implements FileSystemOperations {
public constructor(
private readonly vault: Vault,
private readonly workspace: Workspace
) {}
public async listAllFiles(): Promise<RelativePath[]> {
return this.vault.getFiles().map((file) => file.path);
}
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));
}
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;
}
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);
const view = this.workspace.getActiveViewOfType(MarkdownView);
if (view?.file?.path === path) {
const cursor = view.editor.getCursor();
const text = view.editor.getValue();
const result = updater({
text,
cursors: [
{
id: 0,
characterPosition: lineAndColumnToPosition(
text,
cursor.line,
cursor.ch
)
}
]
});
if (result.text === text) {
return text;
}
view.editor.setValue(result.text);
result.cursors.forEach((movedCursor) => {
const { line, column } = positionToLineAndColumn(
result.text,
movedCursor.characterPosition
);
view.editor.setCursor(line, column);
});
return result.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 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 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 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));
if (!file) {
throw new Error(`File not found: ${path}`);
}
return file;
}
}