mirror of https://github.com/webpack/webpack.git
132 lines
2.7 KiB
JavaScript
132 lines
2.7 KiB
JavaScript
/*
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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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/**
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* @enum {string}
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*/
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const LogType = Object.freeze({
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error: "error", // message, c style arguments
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warn: "warn", // message, c style arguments
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info: "info", // message, c style arguments
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log: "log", // message, c style arguments
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debug: "debug", // message, c style arguments
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trace: "trace", // no arguments
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group: "group", // [label]
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groupCollapsed: "groupCollapsed", // [label]
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groupEnd: "groupEnd", // [label]
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profile: "profile", // [profileName]
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profileEnd: "profileEnd", // [profileName]
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time: "time", // name, time as [seconds, nanoseconds]
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clear: "clear", // no arguments
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status: "status" // message, arguments
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});
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exports.LogType = LogType;
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/** @typedef {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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class WebpackLogger {
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/**
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* @param {function(LogTypeEnum, any[]=): void} log log function
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*/
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constructor(log) {
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this[LOG_SYMBOL] = log;
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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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}
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exports.Logger = WebpackLogger;
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