mirror of
https://github.com/shaka-project/shaka-player.git
synced 2026-06-14 15:56:38 +03:00
Joey Parrish
122 lines
2.9 KiB
JavaScript
122 lines
2.9 KiB
JavaScript
/**
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* Copyright 2014 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* @fileoverview Implements log functions which can be compiled out.
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*/
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goog.provide('shaka.log');
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/**
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* @namespace shaka.log
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* @summary A console logging framework which is compiled out for deployment.
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*/
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/**
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* Log levels.
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* @enum {number}
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*/
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shaka.log.Level = {
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NONE: 0,
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ERROR: 1,
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WARNING: 2,
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INFO: 3,
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DEBUG: 4,
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V1: 5,
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V2: 6
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};
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/**
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* @define {number} the maximum log level.
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*/
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goog.define('shaka.log.MAX_LOG_LEVEL', 3);
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/** @type {function(*, ...[*])} */
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shaka.log.error = function() {};
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/** @type {function(*, ...[*])} */
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shaka.log.warning = function() {};
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/** @type {function(*, ...[*])} */
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shaka.log.info = function() {};
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/** @type {function(*, ...[*])} */
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shaka.log.debug = function() {};
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/** @type {function(*, ...[*])} */
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shaka.log.v1 = function() {};
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/** @type {function(*, ...[*])} */
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shaka.log.v2 = function() {};
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if (!COMPILED) {
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/**
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* Change the log level. Useful for debugging in uncompiled mode.
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*
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* @param {number} level
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*/
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shaka.log.setLevel = function(level) {
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var nop = function() {};
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var log = shaka.log;
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var Level = shaka.log.Level;
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log.error = (level >= Level.ERROR) ? console.error.bind(console) : nop;
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log.warning = (level >= Level.WARNING) ? console.warn.bind(console) : nop;
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log.info = (level >= Level.INFO) ? console.info.bind(console) : nop;
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log.debug = (level >= Level.DEBUG) ? console.log.bind(console) : nop;
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log.v1 = (level >= Level.V1) ? console.debug.bind(console) : nop;
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log.v2 = (level >= Level.V2) ? console.debug.bind(console) : nop;
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};
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}
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// Although these bindings are redundant with setLevel() above, refactoring to
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// call a method here makes it so that the log messages themselves cannot be
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// compiled out.
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if (shaka.log.MAX_LOG_LEVEL >= shaka.log.Level.ERROR) {
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shaka.log.error = console.error.bind(console);
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}
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if (shaka.log.MAX_LOG_LEVEL >= shaka.log.Level.WARNING) {
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shaka.log.warning = console.warn.bind(console);
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}
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if (shaka.log.MAX_LOG_LEVEL >= shaka.log.Level.INFO) {
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shaka.log.info = console.info.bind(console);
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}
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if (shaka.log.MAX_LOG_LEVEL >= shaka.log.Level.DEBUG) {
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shaka.log.debug = console.log.bind(console);
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}
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if (shaka.log.MAX_LOG_LEVEL >= shaka.log.Level.V1) {
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shaka.log.v1 = console.debug.bind(console);
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}
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if (shaka.log.MAX_LOG_LEVEL >= shaka.log.Level.V2) {
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shaka.log.v2 = console.debug.bind(console);
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}
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