mirror of
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143 lines
3.7 KiB
JavaScript
143 lines
3.7 KiB
JavaScript
/*
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* winston.js: Top-level include defining Winston.
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*
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* (C) 2010 Charlie Robbins
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* MIT LICENCE
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*
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*/
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var winston = exports;
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//
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// Expose version using `pkginfo`
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//
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require('pkginfo')(module, 'version');
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//
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// Include transports defined by default by winston
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//
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winston.transports = require('./winston/transports');
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//
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// Expose utility methods
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//
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var common = require('./winston/common');
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winston.hash = common.hash;
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winston.clone = common.clone;
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winston.longestElement = common.longestElement;
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winston.exception = require('./winston/exception');
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winston.config = require('./winston/config');
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winston.addColors = winston.config.addColors;
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//
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// Expose core Logging-related prototypes.
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//
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winston.Container = require('./winston/container').Container;
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winston.Logger = require('./winston/logger').Logger;
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winston.Transport = require('./winston/transports/transport').Transport;
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//
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// We create and expose a default `Container` to `winston.loggers` so that the
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// programmer may manage multiple `winston.Logger` instances without any additional overhead.
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//
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// ### some-file1.js
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//
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// var logger = require('winston').loggers.get('something');
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//
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// ### some-file2.js
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//
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// var logger = require('winston').loggers.get('something');
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//
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winston.loggers = new winston.Container();
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//
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// We create and expose a 'defaultLogger' so that the programmer may do the
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// following without the need to create an instance of winston.Logger directly:
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//
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// var winston = require('winston');
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// winston.log('info', 'some message');
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// winston.error('some error');
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//
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var defaultLogger = new winston.Logger({
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transports: [new winston.transports.Console()]
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});
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//
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// Pass through the target methods onto `winston.
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//
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var methods = [
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'log',
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'add',
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'remove',
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'profile',
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'startTimer',
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'extend',
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'cli',
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'handleExceptions',
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'unhandleExceptions'
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];
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common.setLevels(winston, null, defaultLogger.levels);
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methods.forEach(function (method) {
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winston[method] = function () {
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return defaultLogger[method].apply(defaultLogger, arguments);
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};
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});
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//
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// ### function cli ()
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// Configures the default winston logger to have the
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// settings for command-line interfaces: no timestamp,
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// colors enabled, padded output, and additional levels.
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//
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winston.cli = function () {
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winston.padLevels = true;
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common.setLevels(winston, defaultLogger.levels, winston.config.cli.levels);
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defaultLogger.setLevels(winston.config.cli.levels);
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winston.config.addColors(winston.config.cli.colors);
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if (defaultLogger.transports.console) {
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defaultLogger.transports.console.colorize = true;
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defaultLogger.transports.console.timestamp = false;
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}
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return winston;
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};
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//
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// ### function setLevels (target)
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// #### @target {Object} Target levels to use
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// Sets the `target` levels specified on the default winston logger.
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//
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winston.setLevels = function (target) {
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common.setLevels(winston, defaultLogger.levels, target);
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defaultLogger.setLevels(target);
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};
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//
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// Define getters / setters for appropriate properties of the
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// default logger which need to be exposed by winston.
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//
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['emitErrs', 'exitOnError', 'padLevels', 'level', 'levelLength', 'stripColors'].forEach(function (prop) {
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Object.defineProperty(winston, prop, {
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get: function () {
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return defaultLogger[prop];
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},
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set: function (val) {
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defaultLogger[prop] = val;
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}
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});
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});
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//
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// @default {Object}
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// The default transports and exceptionHandlers for
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// the default winston logger.
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//
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Object.defineProperty(winston, 'default', {
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get: function () {
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return {
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transports: defaultLogger.transports,
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exceptionHandlers: defaultLogger.exceptionHandlers
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};
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}
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});
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