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| System.register([], function (_export) {
/**
* This library is part of the Aurelia platform and contains a minimal but effective logging mechanism
* with support for log levels and pluggable log appenders.
*
* @module logging
*/
/**
* Creates an instance of Error that aggregates and preserves an innerError.
*
* @class AggregateError
* @constructor
*/
'use strict';
var logLevel, loggers, currentLevel, appenders, slice, loggerConstructionKey, Logger;
_export('AggregateError', AggregateError);
_export('getLogger', getLogger);
_export('addAppender', addAppender);
_export('setLevel', setLevel);
function _classCallCheck(instance, Constructor) { Iif (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
function AggregateError(msg, inner, skipIfAlreadyAggregate) {
if (inner) {
if (inner.innerError && skipIfAlreadyAggregate) {
return inner;
}
if (inner.stack) {
msg += '\n------------------------------------------------\ninner error: ' + inner.stack;
}
}
var err = new Error(msg);
if (inner) {
err.innerError = inner;
}
return err;
}
function log(logger, level, args) {
var i = appenders.length,
current;
args = slice.call(args);
args.unshift(logger);
while (i--) {
current = appenders[i];
current[level].apply(current, args);
}
}
function debug() {
if (currentLevel < 4) {
return;
}
log(this, 'debug', arguments);
}
function info() {
if (currentLevel < 3) {
return;
}
log(this, 'info', arguments);
}
function warn() {
if (currentLevel < 2) {
return;
}
log(this, 'warn', arguments);
}
function error() {
if (currentLevel < 1) {
return;
}
log(this, 'error', arguments);
}
function connectLogger(logger) {
logger.debug = debug;
logger.info = info;
logger.warn = warn;
logger.error = error;
}
function createLogger(id) {
var logger = new Logger(id, loggerConstructionKey);
Iif (appenders.length) {
connectLogger(logger);
}
return logger;
}
/**
* Gets an instance of a logger by the Id used when creating.
*
* @method getLogger
* @param {string} id The id of the logger you wish to get an instance of.
* @return {Logger} The instance of the logger, or creates a new logger if none exists for that Id.
* @for export
*/
function getLogger(id) {
return loggers[id] || (loggers[id] = createLogger(id));
}
/**
* Adds an appender capable of processing logs and channeling them to an output.
*
* @method addAppender
* @param {Object} appender An appender instance to begin processing logs with.
* @for export
*/
function addAppender(appender) {
appenders.push(appender);
if (appenders.length === 1) {
for (var key in loggers) {
connectLogger(loggers[key]);
}
}
}
/**
* Sets the level of the logging for the application loggers
*
* @method setLevel
* @param {Number} level Matches an enum specifying the level of logging.
* @for export
*/
function setLevel(level) {
currentLevel = level;
}
return {
setters: [],
execute: function () {
/**
* Enum specifying the levels of the logger
*
* @property logLevel
* @type Enum
* @for export
*/
logLevel = {
none: 0,
error: 1,
warn: 2,
info: 3,
debug: 4
};
_export('logLevel', logLevel);
loggers = {};
currentLevel = logLevel.none;
appenders = [];
slice = Array.prototype.slice;
loggerConstructionKey = {};
/**
* The logger is essentially responsible for having log statements that appear during debugging but are squelched
* when using the build tools, depending on the log level that is set. The available levels are -
* 1. none
* 2. error
* 3. warn
* 4. info
* 5. debug
*
* You cannot instantiate the logger directly - you must use the getLogger method instead.
*
* @class Logger
* @constructor
*/
Logger = (function () {
function Logger(id, key) {
_classCallCheck(this, Logger);
Iif (key !== loggerConstructionKey) {
throw new Error('You cannot instantiate "Logger". Use the "getLogger" API instead.');
}
this.id = id;
}
/**
* Logs a debug message.
*
* @method debug
* @param {string} message The message to log
*/
Logger.prototype.debug = function debug() {};
/**
* Logs info.
*
* @method info
* @param {string} message The message to log
*/
Logger.prototype.info = function info() {};
/**
* Logs a warning.
*
* @method warn
* @param {string} message The message to log
*/
Logger.prototype.warn = function warn() {};
/**
* Logs an error.
*
* @method error
* @param {string} message The message to log
*/
Logger.prototype.error = function error() {};
return Logger;
})();
_export('Logger', Logger);
}
};
});
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Durandal Project/aurelia/logging/src/index.js","sourcesContent":["/**\n * This library is part of the Aurelia platform and contains a minimal but effective logging mechanism\n * with support for log levels and pluggable log appenders.\n *\n * @module logging\n */\n\n /**\n * Creates an instance of Error that aggregates and preserves an innerError.\n *\n * @class AggregateError\n * @constructor\n */\n export function AggregateError(msg, inner, skipIfAlreadyAggregate) {\n  if(inner){\n    if(inner.innerError && skipIfAlreadyAggregate){\n      return inner;\n    }\n\n    if(inner.stack) {\n      msg += `\\n------------------------------------------------\\ninner error: ${inner.stack}`;\n    }\n  }\n\n  var err = new Error(msg);\n  if (inner) {\n    err.innerError = inner;\n  }\n\n  return err;\n}\n\n /**\n * Enum specifying the levels of the logger\n *\n * @property logLevel\n * @type Enum\n * @for export\n */\nexport var logLevel = {\n  none: 0,\n  error:1,\n  warn:2,\n  info:3,\n  debug:4\n};\n\nvar loggers = {},\n    currentLevel = logLevel.none,\n    appenders = [],\n    slice = Array.prototype.slice,\n    loggerConstructionKey = {};\n\nfunction log(logger, level, args){\n  var i = appenders.length,\n          current;\n\n  args = slice.call(args);\n  args.unshift(logger);\n\n  while(i--) {\n    current = appenders[i];\n    current[level].apply(current, args);\n  }\n}\n\nfunction debug(){\n  if(currentLevel < 4){\n    return;\n  }\n\n  log(this, 'debug', arguments);\n}\n\nfunction info(){\n  if(currentLevel < 3){\n    return;\n  }\n\n  log(this, 'info', arguments);\n}\n\nfunction warn(){\n  if(currentLevel < 2){\n    return;\n  }\n\n  log(this, 'warn', arguments);\n}\n\nfunction error(){\n  if(currentLevel < 1){\n    return;\n  }\n\n  log(this, 'error', arguments);\n}\n\nfunction connectLogger(logger){\n  logger.debug = debug;\n  logger.info = info;\n  logger.warn = warn;\n  logger.error = error;\n}\n\nfunction createLogger(id){\n  var logger = new Logger(id, loggerConstructionKey);\n\n  if(appenders.length) {\n    connectLogger(logger);\n  }\n\n  return logger;\n}\n\n﻿/**\n * Gets an instance of a logger by the Id used when creating.\n *\n * @method getLogger\n * @param {string} id The id of the logger you wish to get an instance of.\n * @return {Logger} The instance of the logger, or creates a new logger if none exists for that Id.\n * @for export\n */\nexport function getLogger(id){\n  return loggers[id] || (loggers[id] = createLogger(id));\n}\n\n/**\n * Adds an appender capable of processing logs and channeling them to an output.\n *\n * @method addAppender\n * @param {Object} appender An appender instance to begin processing logs with.\n * @for export\n */\nexport function addAppender(appender){\n  appenders.push(appender);\n\n  if(appenders.length === 1){\n    for(var key in loggers){\n      connectLogger(loggers[key]);\n    }\n  }\n}\n\n﻿/**\n * Sets the level of the logging for the application loggers\n *\n * @method setLevel\n * @param {Number} level Matches an enum specifying the level of logging.\n * @for export\n */\nexport function setLevel(level){\n  currentLevel = level;\n}\n\n/**\n* The logger is essentially responsible for having log statements that appear during debugging but are squelched\n* when using the build tools, depending on the log level that is set.  The available levels are -\n* 1. none\n* 2. error\n* 3. warn\n* 4. info\n* 5. debug\n*\n* You cannot instantiate the logger directly - you must use the getLogger method instead.\n*\n* @class Logger\n* @constructor\n*/\nexport class Logger {\n  constructor(id, key){\n    if(key !== loggerConstructionKey){\n      throw new Error('You cannot instantiate \"Logger\". Use the \"getLogger\" API instead.');\n    }\n\n    this.id = id;\n  }\n\n  /**\n   * Logs a debug message.\n   *\n   * @method debug\n   * @param {string} message The message to log\n   */\n  debug(){}\n\n  /**\n   * Logs info.\n   *\n   * @method info\n   * @param {string} message The message to log\n   */\n  info(){}\n\n  /**\n   * Logs a warning.\n   *\n   * @method warn\n   * @param {string} message The message to log\n   */\n  warn(){}\n\n  /**\n   * Logs an error.\n   *\n   * @method error\n   * @param {string} message The message to log\n   */\n  error(){}\n}\n"]} |