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- /**
- * @license
- * Copyright 2017 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- /**
- * A container for all of the Logger instances
- */
- const instances = [];
- /**
- * The JS SDK supports 5 log levels and also allows a user the ability to
- * silence the logs altogether.
- *
- * The order is a follows:
- * DEBUG < VERBOSE < INFO < WARN < ERROR
- *
- * All of the log types above the current log level will be captured (i.e. if
- * you set the log level to `INFO`, errors will still be logged, but `DEBUG` and
- * `VERBOSE` logs will not)
- */
- var LogLevel;
- (function (LogLevel) {
- LogLevel[LogLevel["DEBUG"] = 0] = "DEBUG";
- LogLevel[LogLevel["VERBOSE"] = 1] = "VERBOSE";
- LogLevel[LogLevel["INFO"] = 2] = "INFO";
- LogLevel[LogLevel["WARN"] = 3] = "WARN";
- LogLevel[LogLevel["ERROR"] = 4] = "ERROR";
- LogLevel[LogLevel["SILENT"] = 5] = "SILENT";
- })(LogLevel || (LogLevel = {}));
- const levelStringToEnum = {
- 'debug': LogLevel.DEBUG,
- 'verbose': LogLevel.VERBOSE,
- 'info': LogLevel.INFO,
- 'warn': LogLevel.WARN,
- 'error': LogLevel.ERROR,
- 'silent': LogLevel.SILENT
- };
- /**
- * The default log level
- */
- const defaultLogLevel = LogLevel.INFO;
- /**
- * By default, `console.debug` is not displayed in the developer console (in
- * chrome). To avoid forcing users to have to opt-in to these logs twice
- * (i.e. once for firebase, and once in the console), we are sending `DEBUG`
- * logs to the `console.log` function.
- */
- const ConsoleMethod = {
- [LogLevel.DEBUG]: 'log',
- [LogLevel.VERBOSE]: 'log',
- [LogLevel.INFO]: 'info',
- [LogLevel.WARN]: 'warn',
- [LogLevel.ERROR]: 'error'
- };
- /**
- * The default log handler will forward DEBUG, VERBOSE, INFO, WARN, and ERROR
- * messages on to their corresponding console counterparts (if the log method
- * is supported by the current log level)
- */
- const defaultLogHandler = (instance, logType, ...args) => {
- if (logType < instance.logLevel) {
- return;
- }
- const now = new Date().toISOString();
- const method = ConsoleMethod[logType];
- if (method) {
- console[method](`[${now}] ${instance.name}:`, ...args);
- }
- else {
- throw new Error(`Attempted to log a message with an invalid logType (value: ${logType})`);
- }
- };
- class Logger {
- /**
- * Gives you an instance of a Logger to capture messages according to
- * Firebase's logging scheme.
- *
- * @param name The name that the logs will be associated with
- */
- constructor(name) {
- this.name = name;
- /**
- * The log level of the given Logger instance.
- */
- this._logLevel = defaultLogLevel;
- /**
- * The main (internal) log handler for the Logger instance.
- * Can be set to a new function in internal package code but not by user.
- */
- this._logHandler = defaultLogHandler;
- /**
- * The optional, additional, user-defined log handler for the Logger instance.
- */
- this._userLogHandler = null;
- /**
- * Capture the current instance for later use
- */
- instances.push(this);
- }
- get logLevel() {
- return this._logLevel;
- }
- set logLevel(val) {
- if (!(val in LogLevel)) {
- throw new TypeError(`Invalid value "${val}" assigned to \`logLevel\``);
- }
- this._logLevel = val;
- }
- // Workaround for setter/getter having to be the same type.
- setLogLevel(val) {
- this._logLevel = typeof val === 'string' ? levelStringToEnum[val] : val;
- }
- get logHandler() {
- return this._logHandler;
- }
- set logHandler(val) {
- if (typeof val !== 'function') {
- throw new TypeError('Value assigned to `logHandler` must be a function');
- }
- this._logHandler = val;
- }
- get userLogHandler() {
- return this._userLogHandler;
- }
- set userLogHandler(val) {
- this._userLogHandler = val;
- }
- /**
- * The functions below are all based on the `console` interface
- */
- debug(...args) {
- this._userLogHandler && this._userLogHandler(this, LogLevel.DEBUG, ...args);
- this._logHandler(this, LogLevel.DEBUG, ...args);
- }
- log(...args) {
- this._userLogHandler &&
- this._userLogHandler(this, LogLevel.VERBOSE, ...args);
- this._logHandler(this, LogLevel.VERBOSE, ...args);
- }
- info(...args) {
- this._userLogHandler && this._userLogHandler(this, LogLevel.INFO, ...args);
- this._logHandler(this, LogLevel.INFO, ...args);
- }
- warn(...args) {
- this._userLogHandler && this._userLogHandler(this, LogLevel.WARN, ...args);
- this._logHandler(this, LogLevel.WARN, ...args);
- }
- error(...args) {
- this._userLogHandler && this._userLogHandler(this, LogLevel.ERROR, ...args);
- this._logHandler(this, LogLevel.ERROR, ...args);
- }
- }
- function setLogLevel(level) {
- instances.forEach(inst => {
- inst.setLogLevel(level);
- });
- }
- function setUserLogHandler(logCallback, options) {
- for (const instance of instances) {
- let customLogLevel = null;
- if (options && options.level) {
- customLogLevel = levelStringToEnum[options.level];
- }
- if (logCallback === null) {
- instance.userLogHandler = null;
- }
- else {
- instance.userLogHandler = (instance, level, ...args) => {
- const message = args
- .map(arg => {
- if (arg == null) {
- return null;
- }
- else if (typeof arg === 'string') {
- return arg;
- }
- else if (typeof arg === 'number' || typeof arg === 'boolean') {
- return arg.toString();
- }
- else if (arg instanceof Error) {
- return arg.message;
- }
- else {
- try {
- return JSON.stringify(arg);
- }
- catch (ignored) {
- return null;
- }
- }
- })
- .filter(arg => arg)
- .join(' ');
- if (level >= (customLogLevel !== null && customLogLevel !== void 0 ? customLogLevel : instance.logLevel)) {
- logCallback({
- level: LogLevel[level].toLowerCase(),
- message,
- args,
- type: instance.name
- });
- }
- };
- }
- }
- }
-
- export { LogLevel, Logger, setLogLevel, setUserLogHandler };
- //# sourceMappingURL=index.esm2017.js.map
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