vault-link/frontend/local-client-cli/src/logger-formatter.ts

71 lines
2 KiB
TypeScript

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