325 lines
27 KiB
JavaScript
325 lines
27 KiB
JavaScript
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// //
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// This is a generated file. You can view the original //
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// source in your browser if your browser supports source maps. //
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// //
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// If you are using Chrome, open the Developer Tools and click the gear //
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// icon in its lower right corner. In the General Settings panel, turn //
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// on 'Enable source maps'. //
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// //
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// If you are using Firefox 23, go to `about:config` and set the //
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// `devtools.debugger.source-maps-enabled` preference to true. //
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// (The preference should be on by default in Firefox 24; versions //
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// older than 23 do not support source maps.) //
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// //
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//////////////////////////////////////////////////////////////////////////
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(function () {
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/* Imports */
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var Meteor = Package.meteor.Meteor;
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var _ = Package.underscore._;
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var EJSON = Package.ejson.EJSON;
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/* Package-scope variables */
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var Log;
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(function () {
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/////////////////////////////////////////////////////////////////////////////////////////
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// //
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// packages/logging/logging.js //
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// //
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/////////////////////////////////////////////////////////////////////////////////////////
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//
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Log = function () { // 1
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return Log.info.apply(this, arguments); // 2
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}; // 3
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// 4
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/// FOR TESTING // 5
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var intercept = 0; // 6
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var interceptedLines = []; // 7
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var suppress = 0; // 8
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// 9
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// Intercept the next 'count' calls to a Log function. The actual // 10
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// lines printed to the console can be cleared and read by calling // 11
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// Log._intercepted(). // 12
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Log._intercept = function (count) { // 13
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intercept += count; // 14
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}; // 15
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// 16
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// Suppress the next 'count' calls to a Log function. Use this to stop // 17
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// tests from spamming the console, especially with red errors that // 18
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// might look like a failing test. // 19
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Log._suppress = function (count) { // 20
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suppress += count; // 21
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}; // 22
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// 23
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// Returns intercepted lines and resets the intercept counter. // 24
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Log._intercepted = function () { // 25
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var lines = interceptedLines; // 26
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interceptedLines = []; // 27
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intercept = 0; // 28
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return lines; // 29
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}; // 30
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// 31
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// Either 'json' or 'colored-text'. // 32
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// // 33
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// When this is set to 'json', print JSON documents that are parsed by another // 34
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// process ('satellite' or 'meteor run'). This other process should call // 35
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// 'Log.format' for nice output. // 36
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// // 37
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// When this is set to 'colored-text', call 'Log.format' before printing. // 38
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// This should be used for logging from within satellite, since there is no // 39
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// other process that will be reading its standard output. // 40
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Log.outputFormat = 'json'; // 41
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// 42
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var LEVEL_COLORS = { // 43
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debug: 'green', // 44
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// leave info as the default color // 45
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warn: 'magenta', // 46
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error: 'red' // 47
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}; // 48
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// 49
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var META_COLOR = 'blue'; // 50
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// 51
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// XXX package // 52
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var RESTRICTED_KEYS = ['time', 'timeInexact', 'level', 'file', 'line', // 53
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'program', 'originApp', 'satellite', 'stderr']; // 54
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// 55
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var FORMATTED_KEYS = RESTRICTED_KEYS.concat(['app', 'message']); // 56
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// 57
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var logInBrowser = function (obj) { // 58
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var str = Log.format(obj); // 59
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// 60
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// XXX Some levels should be probably be sent to the server // 61
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var level = obj.level; // 62
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// 63
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if ((typeof console !== 'undefined') && console[level]) { // 64
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console[level](str); // 65
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} else { // 66
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// XXX Uses of Meteor._debug should probably be replaced by Log.debug or // 67
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// Log.info, and we should have another name for "do your best to // 68
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// call call console.log". // 69
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Meteor._debug(str); // 70
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} // 71
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}; // 72
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// 73
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// @returns {Object: { line: Number, file: String }} // 74
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Log._getCallerDetails = function () { // 75
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var getStack = function () { // 76
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// We do NOT use Error.prepareStackTrace here (a V8 extension that gets us a // 77
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// pre-parsed stack) since it's impossible to compose it with the use of // 78
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// Error.prepareStackTrace used on the server for source maps. // 79
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var err = new Error; // 80
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var stack = err.stack; // 81
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return stack; // 82
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}; // 83
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// 84
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var stack = getStack(); // 85
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// 86
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if (!stack) return {}; // 87
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// 88
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var lines = stack.split('\n'); // 89
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// 90
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// looking for the first line outside the logging package (or an // 91
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// eval if we find that first) // 92
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var line; // 93
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for (var i = 1; i < lines.length; ++i) { // 94
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line = lines[i]; // 95
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if (line.match(/^\s*at eval \(eval/)) { // 96
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return {file: "eval"}; // 97
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} // 98
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// 99
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if (!line.match(/packages\/(?:local-test:)?logging(?:\/|\.js)/)) // 100
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break; // 101
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} // 102
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// 103
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var details = {}; // 104
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// 105
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// The format for FF is 'functionName@filePath:lineNumber' // 106
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// The format for V8 is 'functionName (packages/logging/logging.js:81)' or // 107
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// 'packages/logging/logging.js:81' // 108
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var match = /(?:[@(]| at )([^(]+?):([0-9:]+)(?:\)|$)/.exec(line); // 109
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if (!match) // 110
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return details; // 111
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// in case the matched block here is line:column // 112
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details.line = match[2].split(':')[0]; // 113
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// 114
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// Possible format: https://foo.bar.com/scripts/file.js?random=foobar // 115
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// XXX: if you can write the following in better way, please do it // 116
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// XXX: what about evals? // 117
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details.file = match[1].split('/').slice(-1)[0].split('?')[0]; // 118
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// 119
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return details; // 120
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}; // 121
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// 122
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_.each(['debug', 'info', 'warn', 'error'], function (level) { // 123
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// @param arg {String|Object} // 124
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Log[level] = function (arg) { // 125
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if (suppress) { // 126
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suppress--; // 127
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return; // 128
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} // 129
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// 130
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var intercepted = false; // 131
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if (intercept) { // 132
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intercept--; // 133
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intercepted = true; // 134
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} // 135
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// 136
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var obj = (_.isObject(arg) && !_.isRegExp(arg) && !_.isDate(arg) ) ? // 137
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arg : {message: new String(arg).toString() }; // 138
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// 139
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_.each(RESTRICTED_KEYS, function (key) { // 140
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if (obj[key]) // 141
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throw new Error("Can't set '" + key + "' in log message"); // 142
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}); // 143
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// 144
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if (_.has(obj, 'message') && !_.isString(obj.message)) // 145
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throw new Error("The 'message' field in log objects must be a string"); // 146
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if (!obj.omitCallerDetails) // 147
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obj = _.extend(Log._getCallerDetails(), obj); // 148
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obj.time = new Date(); // 149
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obj.level = level; // 150
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// 151
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// XXX allow you to enable 'debug', probably per-package // 152
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if (level === 'debug') // 153
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return; // 154
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// 155
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if (intercepted) { // 156
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interceptedLines.push(EJSON.stringify(obj)); // 157
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} else if (Meteor.isServer) { // 158
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if (Log.outputFormat === 'colored-text') { // 159
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console.log(Log.format(obj, {color: true})); // 160
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} else if (Log.outputFormat === 'json') { // 161
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console.log(EJSON.stringify(obj)); // 162
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} else { // 163
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throw new Error("Unknown logging output format: " + Log.outputFormat); // 164
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} // 165
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} else { // 166
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logInBrowser(obj); // 167
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} // 168
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}; // 169
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}); // 170
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// 171
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// tries to parse line as EJSON. returns object if parse is successful, or null if not // 172
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Log.parse = function (line) { // 173
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var obj = null; // 174
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if (line && line.charAt(0) === '{') { // might be json generated from calling 'Log' // 175
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try { obj = EJSON.parse(line); } catch (e) {} // 176
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} // 177
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// 178
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// XXX should probably check fields other than 'time' // 179
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if (obj && obj.time && (obj.time instanceof Date)) // 180
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return obj; // 181
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else // 182
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return null; // 183
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}; // 184
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// 185
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// formats a log object into colored human and machine-readable text // 186
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Log.format = function (obj, options) { // 187
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obj = EJSON.clone(obj); // don't mutate the argument // 188
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options = options || {}; // 189
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// 190
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var time = obj.time; // 191
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if (!(time instanceof Date)) // 192
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throw new Error("'time' must be a Date object"); // 193
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var timeInexact = obj.timeInexact; // 194
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// 195
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// store fields that are in FORMATTED_KEYS since we strip them // 196
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var level = obj.level || 'info'; // 197
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var file = obj.file; // 198
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var lineNumber = obj.line; // 199
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var appName = obj.app || ''; // 200
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var originApp = obj.originApp; // 201
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var message = obj.message || ''; // 202
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var program = obj.program || ''; // 203
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var satellite = obj.satellite; // 204
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var stderr = obj.stderr || ''; // 205
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// 206
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_.each(FORMATTED_KEYS, function(key) { // 207
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delete obj[key]; // 208
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}); // 209
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// 210
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if (!_.isEmpty(obj)) { // 211
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if (message) message += " "; // 212
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message += EJSON.stringify(obj); // 213
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} // 214
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// 215
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var pad2 = function(n) { return n < 10 ? '0' + n : n.toString(); }; // 216
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var pad3 = function(n) { return n < 100 ? '0' + pad2(n) : n.toString(); }; // 217
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// 218
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var dateStamp = time.getFullYear().toString() + // 219
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pad2(time.getMonth() + 1 /*0-based*/) + // 220
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pad2(time.getDate()); // 221
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var timeStamp = pad2(time.getHours()) + // 222
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':' + // 223
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pad2(time.getMinutes()) + // 224
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':' + // 225
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pad2(time.getSeconds()) + // 226
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'.' + // 227
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pad3(time.getMilliseconds()); // 228
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// 229
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// eg in San Francisco in June this will be '(-7)' // 230
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var utcOffsetStr = '(' + (-(new Date().getTimezoneOffset() / 60)) + ')'; // 231
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// 232
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var appInfo = ''; // 233
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if (appName) appInfo += appName; // 234
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if (originApp && originApp !== appName) appInfo += ' via ' + originApp; // 235
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if (appInfo) appInfo = '[' + appInfo + '] '; // 236
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// 237
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var sourceInfoParts = []; // 238
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if (program) sourceInfoParts.push(program); // 239
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if (file) sourceInfoParts.push(file); // 240
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if (lineNumber) sourceInfoParts.push(lineNumber); // 241
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var sourceInfo = _.isEmpty(sourceInfoParts) ? // 242
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'' : '(' + sourceInfoParts.join(':') + ') '; // 243
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// 244
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if (satellite) // 245
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sourceInfo += ['[', satellite, ']'].join(''); // 246
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// 247
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var stderrIndicator = stderr ? '(STDERR) ' : ''; // 248
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// 249
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var metaPrefix = [ // 250
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level.charAt(0).toUpperCase(), // 251
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dateStamp, // 252
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'-', // 253
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timeStamp, // 254
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utcOffsetStr, // 255
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timeInexact ? '? ' : ' ', // 256
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appInfo, // 257
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sourceInfo, // 258
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stderrIndicator].join(''); // 259
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// 260
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var prettify = function (line, color) { // 261
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return (options.color && Meteor.isServer && color) ? // 262
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Npm.require('cli-color')[color](line) : line; // 263
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}; // 264
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// 265
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return prettify(metaPrefix, options.metaColor || META_COLOR) + // 266
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prettify(message, LEVEL_COLORS[level]); // 267
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}; // 268
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// 269
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// Turn a line of text into a loggable object. // 270
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// @param line {String} // 271
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// @param override {Object} // 272
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Log.objFromText = function (line, override) { // 273
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var obj = {message: line, level: "info", time: new Date(), timeInexact: true}; // 274
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return _.extend(obj, override); // 275
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}; // 276
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// 277
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/////////////////////////////////////////////////////////////////////////////////////////
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}).call(this);
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/* Exports */
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if (typeof Package === 'undefined') Package = {};
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Package.logging = {
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Log: Log
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};
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})();
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