@twilio/voice-sdk
Version:
Twilio's JavaScript Voice SDK
88 lines • 4.72 kB
JavaScript
/**
* @packageDocumentation
* @module Voice
* @internalapi
*/
import * as LogLevelModule from 'loglevel';
import { PACKAGE_NAME } from './constants';
/**
* {@link Log} provides logging features throughout the sdk using loglevel module
* See https://github.com/pimterry/loglevel for documentation
* @private
*/
class Log {
/**
* @constructor
* @param [tag] - tag name for the logs
* @param [options] - Optional settings
*/
constructor(tag, options) {
this._log = Log.getLogLevelInstance(options);
this._prefix = `[TwilioVoice][${tag}]`;
}
/**
* Return the `loglevel` instance maintained internally.
* @param [options] - Optional settings
* @returns The `loglevel` instance.
*/
static getLogLevelInstance(options) {
if (!Log.loglevelInstance) {
try {
Log.loglevelInstance = (options && options.LogLevelModule ? options.LogLevelModule : LogLevelModule).getLogger(PACKAGE_NAME);
}
catch (_a) {
// tslint:disable-next-line
console.warn('Cannot create custom logger');
Log.loglevelInstance = console;
}
}
return Log.loglevelInstance;
}
/**
* Log a debug message
* @param args - Any number of arguments to be passed to loglevel.debug
*/
debug(...args) {
this._log.debug(this._prefix, ...args);
}
/**
* Log an error message
* @param args - Any number of arguments to be passed to loglevel.error
*/
error(...args) {
this._log.error(this._prefix, ...args);
}
/**
* Log an info message
* @param args - Any number of arguments to be passed to loglevel.info
*/
info(...args) {
this._log.info(this._prefix, ...args);
}
/**
* Set a default log level to disable all logging below the given level
*/
setDefaultLevel(level) {
if (this._log.setDefaultLevel) {
this._log.setDefaultLevel(level);
}
else {
// tslint:disable-next-line
console.warn('Logger cannot setDefaultLevel');
}
}
/**
* Log a warning message
* @param args - Any number of arguments to be passed to loglevel.warn
*/
warn(...args) {
this._log.warn(this._prefix, ...args);
}
}
/**
* Log levels
*/
Log.levels = LogLevelModule.levels;
export const Logger = Log.getLogLevelInstance();
export default Log;
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