tycho-solver/dist/utils/logger.js

Evolutionary computation and optimization library

export class Logger {
    levelOrder = { debug: 10, info: 20, warn: 30, error: 40, silent: 100 };
    level;
    sink;
    constructor(level = 'info', sink) {
        this.level = level;
        this.sink = sink || ((l, m, ...a) => console.log(`[${l.toUpperCase()}] ${m}`, ...a));
    }
    setLevel(l) {
        this.level = l;
    }
    shouldLog(l) {
        return this.levelOrder[l] >= this.levelOrder[this.level];
    }
    debug(msg, ...args) { if (this.shouldLog('debug'))
        this.sink('debug', msg, ...args); }
    info(msg, ...args) { if (this.shouldLog('info'))
        this.sink('info', msg, ...args); }
    warn(msg, ...args) { if (this.shouldLog('warn'))
        this.sink('warn', msg, ...args); }
    error(msg, ...args) { if (this.shouldLog('error'))
        this.sink('error', msg, ...args); }
}
// default shared logger
export const logger = new Logger('info');
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