77 lines
1.8 KiB
JavaScript
77 lines
1.8 KiB
JavaScript
'use strict';
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const chalk = require('chalk');
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const loglevel = require('loglevelnext'); //eslint-disable-line
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const logSymbols = require('log-symbols');
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const uuid = require('uuid/v4');
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const symbols = {
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trace: chalk.grey('₸'),
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debug: chalk.cyan('➤'),
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info: logSymbols.info,
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warn: logSymbols.warning,
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error: logSymbols.error
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};
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const defaults = {
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name: '<unknown>',
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level: 'info',
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unique: true
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};
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const prefix = {
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level: opts => symbols[opts.level],
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template: `{{level}} ${chalk.gray('｢{{name}}｣')}: `
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};
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module.exports = function webpackLog(options) {
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const opts = Object.assign({}, defaults, options);
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const { id } = options;
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opts.prefix = Object.assign({}, prefix, options.prefix);
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delete opts.id;
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Object.defineProperty(opts, 'id', {
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get() {
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if (!id) {
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return this.name + (opts.unique ? `-${uuid()}` : '');
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}
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return id;
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}
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});
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if (opts.timestamp) {
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opts.prefix.template = `[{{time}}] ${opts.prefix.template}`;
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}
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const log = loglevel.getLogger(opts);
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if (!Object.prototype.hasOwnProperty.call(log, 'id')) {
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Object.defineProperty(log, 'id', {
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get() {
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return opts.id;
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}
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});
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}
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return log;
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};
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// NOTE: this is exported so that consumers of webpack-log can use the same
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// version of chalk to decorate log messages without incurring additional
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// dependency overhead. This is an atypical practice, but chalk version
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// segmentation is a common issue.
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module.exports.chalk = chalk;
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/**
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* @NOTE: This is an undocumented function solely for the purpose of tests.
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* Do not use this method in production code. Using in production code
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* may result in strange behavior.
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*/
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module.exports.delLogger = function delLogger(name) {
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delete loglevel.loggers[name];
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};
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module.exports.factories = loglevel.factories;
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