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