mirror of
https://github.com/musix-org/musix-oss
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165 lines
5.2 KiB
JavaScript
165 lines
5.2 KiB
JavaScript
/**
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* @license
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* Copyright 2017 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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/**
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* A container for all of the Logger instances
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*/
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const instances = [];
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/**
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* The JS SDK supports 5 log levels and also allows a user the ability to
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* silence the logs altogether.
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*
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* The order is a follows:
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* DEBUG < VERBOSE < INFO < WARN < ERROR
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*
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* All of the log types above the current log level will be captured (i.e. if
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* you set the log level to `INFO`, errors will still be logged, but `DEBUG` and
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* `VERBOSE` logs will not)
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*/
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var LogLevel;
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(function (LogLevel) {
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LogLevel[LogLevel["DEBUG"] = 0] = "DEBUG";
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LogLevel[LogLevel["VERBOSE"] = 1] = "VERBOSE";
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LogLevel[LogLevel["INFO"] = 2] = "INFO";
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LogLevel[LogLevel["WARN"] = 3] = "WARN";
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LogLevel[LogLevel["ERROR"] = 4] = "ERROR";
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LogLevel[LogLevel["SILENT"] = 5] = "SILENT";
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})(LogLevel || (LogLevel = {}));
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/**
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* The default log level
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*/
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const defaultLogLevel = LogLevel.INFO;
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/**
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* The default log handler will forward DEBUG, VERBOSE, INFO, WARN, and ERROR
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* messages on to their corresponding console counterparts (if the log method
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* is supported by the current log level)
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*/
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const defaultLogHandler = (instance, logType, ...args) => {
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if (logType < instance.logLevel) {
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return;
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}
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const now = new Date().toISOString();
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switch (logType) {
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/**
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* By default, `console.debug` is not displayed in the developer console (in
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* chrome). To avoid forcing users to have to opt-in to these logs twice
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* (i.e. once for firebase, and once in the console), we are sending `DEBUG`
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* logs to the `console.log` function.
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*/
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case LogLevel.DEBUG:
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console.log(`[${now}] ${instance.name}:`, ...args);
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break;
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case LogLevel.VERBOSE:
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console.log(`[${now}] ${instance.name}:`, ...args);
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break;
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case LogLevel.INFO:
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console.info(`[${now}] ${instance.name}:`, ...args);
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break;
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case LogLevel.WARN:
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console.warn(`[${now}] ${instance.name}:`, ...args);
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break;
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case LogLevel.ERROR:
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console.error(`[${now}] ${instance.name}:`, ...args);
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break;
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default:
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throw new Error(`Attempted to log a message with an invalid logType (value: ${logType})`);
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}
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};
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class Logger {
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/**
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* Gives you an instance of a Logger to capture messages according to
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* Firebase's logging scheme.
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*
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* @param name The name that the logs will be associated with
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*/
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constructor(name) {
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this.name = name;
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/**
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* The log level of the given Logger instance.
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*/
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this._logLevel = defaultLogLevel;
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/**
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* The log handler for the Logger instance.
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*/
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this._logHandler = defaultLogHandler;
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/**
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* Capture the current instance for later use
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*/
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instances.push(this);
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}
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get logLevel() {
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return this._logLevel;
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}
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set logLevel(val) {
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if (!(val in LogLevel)) {
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throw new TypeError('Invalid value assigned to `logLevel`');
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}
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this._logLevel = val;
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}
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get logHandler() {
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return this._logHandler;
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}
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set logHandler(val) {
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if (typeof val !== 'function') {
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throw new TypeError('Value assigned to `logHandler` must be a function');
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}
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this._logHandler = val;
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}
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/**
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* The functions below are all based on the `console` interface
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*/
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debug(...args) {
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this._logHandler(this, LogLevel.DEBUG, ...args);
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}
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log(...args) {
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this._logHandler(this, LogLevel.VERBOSE, ...args);
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}
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info(...args) {
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this._logHandler(this, LogLevel.INFO, ...args);
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}
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warn(...args) {
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this._logHandler(this, LogLevel.WARN, ...args);
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}
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error(...args) {
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this._logHandler(this, LogLevel.ERROR, ...args);
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}
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}
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/**
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* @license
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* Copyright 2017 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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function setLogLevel(level) {
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instances.forEach(inst => {
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inst.logLevel = level;
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});
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}
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export { LogLevel, Logger, setLogLevel };
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//# sourceMappingURL=index.esm2017.js.map
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