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authorruki <waruqi@gmail.com>2018-11-08 00:38:48 +0800
committerruki <waruqi@gmail.com>2018-11-07 21:53:09 +0800
commit26105034da4fcce7ac883c899d781f016559310d (patch)
treec459a5dc4e3aa0972d9919033ece511ce76dd129 /node_modules/loglevelnext/lib/LogLevel.js
parent2c77f00f1a7ecb6c8192f9c16d3b2001b254a107 (diff)
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Diffstat (limited to 'node_modules/loglevelnext/lib/LogLevel.js')
-rw-r--r--node_modules/loglevelnext/lib/LogLevel.js78
1 files changed, 78 insertions, 0 deletions
diff --git a/node_modules/loglevelnext/lib/LogLevel.js b/node_modules/loglevelnext/lib/LogLevel.js
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+++ b/node_modules/loglevelnext/lib/LogLevel.js
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+'use strict';
+
+/* global window: true */
+const PrefixFactory = require('../factory/PrefixFactory');
+const MethodFactory = require('./MethodFactory');
+
+const defaults = {
+ factory: null,
+ level: 'warn',
+ name: +new Date(),
+ prefix: null
+};
+
+module.exports = class LogLevel {
+ constructor(options) {
+ // implement for some _very_ loose type checking. avoids getting into a
+ // circular require between MethodFactory and LogLevel
+ this.type = 'LogLevel';
+ this.options = Object.assign({}, defaults, options);
+ this.methodFactory = options.factory;
+
+ if (!this.methodFactory) {
+ const factory = options.prefix ? new PrefixFactory(this, options.prefix) : new MethodFactory(this);
+ this.methodFactory = factory;
+ }
+
+ if (!this.methodFactory.logger) {
+ this.methodFactory.logger = this;
+ }
+
+ this.name = options.name || '<unknown>';
+
+ // this.level is a setter, do this after setting up the factory
+ this.level = this.options.level;
+ }
+
+ get factory() {
+ return this.methodFactory;
+ }
+
+ set factory(factory) {
+ factory.logger = this;
+ this.methodFactory = factory;
+ this.methodFactory.replaceMethods(this.level);
+ }
+
+ disable() {
+ this.level = this.levels.SILENT;
+ }
+
+ enable() {
+ this.level = this.levels.TRACE;
+ }
+
+ get level() {
+ return this.currentLevel;
+ }
+
+ set level(logLevel) {
+ const level = this.methodFactory.distillLevel(logLevel);
+
+ if (level == null) {
+ throw new Error(`loglevelnext: setLevel() called with invalid level: ${logLevel}`);
+ }
+
+ this.currentLevel = level;
+ this.methodFactory.replaceMethods(level);
+
+ if (typeof console === 'undefined' && level < this.levels.SILENT) {
+ // eslint-disable-next-line no-console
+ console.warn('loglevelnext: console is undefined. The log will produce no output.');
+ }
+ }
+
+ get levels() { // eslint-disable-line class-methods-use-this
+ return this.methodFactory.levels;
+ }
+};