console-logger.ts

/**
 * Copyright (c) 2018 mol* contributors, licensed under MIT, See LICENSE file for more info.
 *
 * @author David Sehnal <david.sehnal@gmail.com>
 */

export namespace ConsoleLogger {
    export function formatTime(t: number) {
        if (isNaN(t)) return 'n/a';

        let h = Math.floor(t / (60 * 60 * 1000)),
            m = Math.floor(t / (60 * 1000) % 60),
            s = Math.floor(t / 1000 % 60),
            ms = Math.floor(t % 1000).toString();

        while (ms.length < 3) ms = '0' + ms;

        if (h > 0) return `${h}h${m}m${s}.${ms}s`;
        if (m > 0) return `${m}m${s}.${ms}s`;
        if (s > 0) return `${s}.${ms}s`;
        return `${t.toFixed(0)}ms`;
    }

    export function log(tag: string, msg: string) {
        console.log(`[${tag}] ${msg}`);
    }

    export function logId(guid: string, tag: string, msg: string) {
        console.log(`[${guid}][${tag}] ${msg}`);
    }

    export function error(ctx: string, e: any) {
        console.error(`[Error] (${ctx}) ${e}`);
        if (e.stack) console.error(e.stack);
    }

    export function warn(ctx: string, e: any) {
        console.error(`[Warn] (${ctx}) ${e}`);
    }

    export function errorId(guid: string, e: any) {
        console.error(`[${guid}][Error] ${e}`);
        if (e.stack) console.error(e.stack);
    }
}