Files
gitops/ts/logging.ts

121 lines
2.9 KiB
TypeScript

/**
* Logging utilities for GitOps
*/
import type { ISyncLogEntry } from '../ts_interfaces/data/sync.ts';
type LogLevel = 'info' | 'success' | 'warn' | 'error' | 'debug';
const SYNC_LOG_MAX = 500;
class Logger {
private debugMode = false;
private syncLogBuffer: ISyncLogEntry[] = [];
private broadcastFn?: (entry: ISyncLogEntry) => void;
constructor() {
this.debugMode = Deno.args.includes('--debug') || Deno.env.get('DEBUG') === 'true';
}
/**
* Set the broadcast function used to push sync log entries to connected clients.
*/
setBroadcastFn(fn: (entry: ISyncLogEntry) => void): void {
this.broadcastFn = fn;
}
/**
* Log a sync-related message to both the console and the ring buffer.
* Also broadcasts to connected frontends via TypedSocket if available.
*/
syncLog(level: ISyncLogEntry['level'], message: string, source?: string): void {
// Also log to console
this.log(level, message);
const entry: ISyncLogEntry = {
timestamp: Date.now(),
level,
message,
source,
};
this.syncLogBuffer.push(entry);
if (this.syncLogBuffer.length > SYNC_LOG_MAX) {
this.syncLogBuffer.splice(0, this.syncLogBuffer.length - SYNC_LOG_MAX);
}
if (this.broadcastFn) {
this.broadcastFn(entry);
}
}
/**
* Get recent sync log entries.
*/
getSyncLogs(limit = 100): ISyncLogEntry[] {
return this.syncLogBuffer.slice(-limit);
}
log(level: LogLevel, message: string, ...args: unknown[]): void {
const prefix = this.getPrefix(level);
const formattedMessage = `${prefix} ${message}`;
switch (level) {
case 'error':
console.error(formattedMessage, ...args);
break;
case 'warn':
console.warn(formattedMessage, ...args);
break;
case 'debug':
if (this.debugMode) {
console.log(formattedMessage, ...args);
}
break;
default:
console.log(formattedMessage, ...args);
}
}
info(message: string, ...args: unknown[]): void {
this.log('info', message, ...args);
}
success(message: string, ...args: unknown[]): void {
this.log('success', message, ...args);
}
warn(message: string, ...args: unknown[]): void {
this.log('warn', message, ...args);
}
error(message: string, ...args: unknown[]): void {
this.log('error', message, ...args);
}
debug(message: string, ...args: unknown[]): void {
this.log('debug', message, ...args);
}
private getPrefix(level: LogLevel): string {
const colors: Record<LogLevel, string> = {
info: '\x1b[36m',
success: '\x1b[32m',
warn: '\x1b[33m',
error: '\x1b[31m',
debug: '\x1b[90m',
};
const reset = '\x1b[0m';
const icons: Record<LogLevel, string> = {
info: 'i',
success: '+',
warn: '!',
error: 'x',
debug: '*',
};
return `${colors[level]}[${icons[level]}]${reset}`;
}
}
export const logger = new Logger();