163 lines
4.3 KiB
JavaScript
Executable file
163 lines
4.3 KiB
JavaScript
Executable file
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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"use strict";
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const LogType = Object.freeze({
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error: /** @type {"error"} */ ("error"), // message, c style arguments
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warn: /** @type {"warn"} */ ("warn"), // message, c style arguments
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info: /** @type {"info"} */ ("info"), // message, c style arguments
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log: /** @type {"log"} */ ("log"), // message, c style arguments
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debug: /** @type {"debug"} */ ("debug"), // message, c style arguments
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trace: /** @type {"trace"} */ ("trace"), // no arguments
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group: /** @type {"group"} */ ("group"), // [label]
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groupCollapsed: /** @type {"groupCollapsed"} */ ("groupCollapsed"), // [label]
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groupEnd: /** @type {"groupEnd"} */ ("groupEnd"), // [label]
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profile: /** @type {"profile"} */ ("profile"), // [profileName]
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profileEnd: /** @type {"profileEnd"} */ ("profileEnd"), // [profileName]
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time: /** @type {"time"} */ ("time"), // name, time as [seconds, nanoseconds]
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clear: /** @type {"clear"} */ ("clear"), // no arguments
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status: /** @type {"status"} */ ("status") // message, arguments
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});
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exports.LogType = LogType;
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/** @typedef {typeof LogType[keyof typeof LogType]} LogTypeEnum */
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const LOG_SYMBOL = Symbol("webpack logger raw log method");
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const TIMERS_SYMBOL = Symbol("webpack logger times");
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const TIMERS_AGGREGATES_SYMBOL = Symbol("webpack logger aggregated times");
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class WebpackLogger {
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/**
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* @param {function(LogTypeEnum, any[]=): void} log log function
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* @param {function(string | function(): string): WebpackLogger} getChildLogger function to create child logger
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*/
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constructor(log, getChildLogger) {
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this[LOG_SYMBOL] = log;
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this.getChildLogger = getChildLogger;
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}
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error(...args) {
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this[LOG_SYMBOL](LogType.error, args);
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}
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warn(...args) {
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this[LOG_SYMBOL](LogType.warn, args);
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}
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info(...args) {
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this[LOG_SYMBOL](LogType.info, args);
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}
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log(...args) {
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this[LOG_SYMBOL](LogType.log, args);
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}
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debug(...args) {
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this[LOG_SYMBOL](LogType.debug, args);
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}
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assert(assertion, ...args) {
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if (!assertion) {
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this[LOG_SYMBOL](LogType.error, args);
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}
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}
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trace() {
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this[LOG_SYMBOL](LogType.trace, ["Trace"]);
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}
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clear() {
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this[LOG_SYMBOL](LogType.clear);
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}
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status(...args) {
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this[LOG_SYMBOL](LogType.status, args);
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}
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group(...args) {
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this[LOG_SYMBOL](LogType.group, args);
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}
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groupCollapsed(...args) {
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this[LOG_SYMBOL](LogType.groupCollapsed, args);
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}
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groupEnd(...args) {
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this[LOG_SYMBOL](LogType.groupEnd, args);
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}
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profile(label) {
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this[LOG_SYMBOL](LogType.profile, [label]);
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}
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profileEnd(label) {
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this[LOG_SYMBOL](LogType.profileEnd, [label]);
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}
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time(label) {
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this[TIMERS_SYMBOL] = this[TIMERS_SYMBOL] || new Map();
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this[TIMERS_SYMBOL].set(label, process.hrtime());
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}
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timeLog(label) {
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const prev = this[TIMERS_SYMBOL] && this[TIMERS_SYMBOL].get(label);
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if (!prev) {
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throw new Error(`No such label '${label}' for WebpackLogger.timeLog()`);
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}
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const time = process.hrtime(prev);
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this[LOG_SYMBOL](LogType.time, [label, ...time]);
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}
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timeEnd(label) {
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const prev = this[TIMERS_SYMBOL] && this[TIMERS_SYMBOL].get(label);
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if (!prev) {
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throw new Error(`No such label '${label}' for WebpackLogger.timeEnd()`);
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}
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const time = process.hrtime(prev);
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this[TIMERS_SYMBOL].delete(label);
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this[LOG_SYMBOL](LogType.time, [label, ...time]);
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}
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timeAggregate(label) {
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const prev = this[TIMERS_SYMBOL] && this[TIMERS_SYMBOL].get(label);
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if (!prev) {
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throw new Error(
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`No such label '${label}' for WebpackLogger.timeAggregate()`
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);
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}
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const time = process.hrtime(prev);
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this[TIMERS_SYMBOL].delete(label);
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this[TIMERS_AGGREGATES_SYMBOL] =
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this[TIMERS_AGGREGATES_SYMBOL] || new Map();
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const current = this[TIMERS_AGGREGATES_SYMBOL].get(label);
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if (current !== undefined) {
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if (time[1] + current[1] > 1e9) {
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time[0] += current[0] + 1;
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time[1] = time[1] - 1e9 + current[1];
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} else {
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time[0] += current[0];
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time[1] += current[1];
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}
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}
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this[TIMERS_AGGREGATES_SYMBOL].set(label, time);
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}
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timeAggregateEnd(label) {
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if (this[TIMERS_AGGREGATES_SYMBOL] === undefined) return;
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const time = this[TIMERS_AGGREGATES_SYMBOL].get(label);
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if (time === undefined) return;
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this[TIMERS_AGGREGATES_SYMBOL].delete(label);
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this[LOG_SYMBOL](LogType.time, [label, ...time]);
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}
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}
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exports.Logger = WebpackLogger;
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