8000 Merge pull request #364 from demmer/add-stderr-appender · mKoder/log4js-node@0007623 · GitHub
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Merge pull request log4js-node#364 from demmer/add-stderr-appender
add a stderr appender
2 parents 451f79a + 929c206 commit 0007623

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‎README.md

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@@ -7,7 +7,7 @@ framework to work with [node](http://nodejs.org). I've mainly stripped out the b
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Out of the box it supports the following features:
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* coloured console logging
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* coloured console logging to stdout or stderr
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* replacement of node's console.log functions (optional)
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* file appender, with log rolling based on file size
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* SMTP appender

‎lib/appenders/stderr.js

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"use strict";
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var layouts = require('../layouts')
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function stderrAppender(layout, timezoneOffset) {
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layout = layout || layouts.colouredLayout;
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return function(loggingEvent) {
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process.stderr.write(layout(loggingEvent, timezoneOffset) + '\n');
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};
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}
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function configure(config) {
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var layout;
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if (config.layout) {
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layout = layouts.layout(config.layout.type, config.layout);
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}
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return stderrAppender(layout, config.timezoneOffset);
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}
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exports.appender = stderrAppender;
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exports.configure = configure;

‎test/stderrAppender-test.js

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"use strict";
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var assert = require('assert')
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, vows = require('vows')
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, layouts = require('../lib/layouts')
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, sandbox = require('sandboxed-module');
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vows.describe('../lib/appenders/stderr').addBatch({
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'appender': {
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topic: function() {
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var messages = []
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, fakeProcess = {
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stderr: {
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write: function(msg) { messages.push(msg); }
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}
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}
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, appenderModule = sandbox.require(
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'../lib/appenders/stderr',
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{
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globals: {
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'process': fakeProcess
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}
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}
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)
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, appender = appenderModule.appender(layouts.messagePassThroughLayout);
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appender({ data: ["blah"] });
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return messages;
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},
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'should output to stderr': function(messages) {
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assert.equal(messages[0], 'blah\n');
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}
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}
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}).exportTo(module);

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