removing Minify.js.rej
This commit is contained in:
Matthias Bartelmeß
parent
89ab73c868
commit
9691f02765
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@ -1,513 +0,0 @@
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/**
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* This Module manages all /minified/* requests. It controls the
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* minification && compression of Javascript and CSS.
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*/
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/*
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* 2011 Peter 'Pita' Martischka (Primary Technology Ltd)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS-IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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var ERR = require("async-stacktrace");
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var settings = require('./Settings');
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var async = require('async');
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var fs = require('fs');
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var cleanCSS = require('clean-css');
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var jsp = require("uglify-js").parser;
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var pro = require("uglify-js").uglify;
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var path = require('path');
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var RequireKernel = require('require-kernel');
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var server = require('../server');
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<<<<<<< HEAD
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var ROOT_DIR = path.normalize(__dirname + "/../" );
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var JS_DIR = ROOT_DIR + '../static/js/';
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var CSS_DIR = ROOT_DIR + '../static/css/';
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var CACHE_DIR = path.join(settings.root, 'var');
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=======
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var ROOT_DIR = path.normalize(__dirname + "/../../static/");
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>>>>>>> pita
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var TAR_PATH = path.join(__dirname, 'tar.json');
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var tar = JSON.parse(fs.readFileSync(TAR_PATH, 'utf8'));
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// Rewrite tar to include modules with no extensions and proper rooted paths.
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exports.tar = {};
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for (var key in tar) {
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exports.tar['/' + key] =
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tar[key].map(function (p) {return '/' + p}).concat(
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tar[key].map(function (p) {return '/' + p.replace(/\.js$/, '')})
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);
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}
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/**
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* creates the minifed javascript for the given minified name
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* @param req the Express request
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* @param res the Express response
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*/
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exports.minify = function(req, res, next)
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{
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<<<<<<< HEAD
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var jsFilename = req.params[0];
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//choose the js files we need
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var jsFiles = undefined;
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if (Object.prototype.hasOwnProperty.call(tar, jsFilename)) {
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jsFiles = tar[jsFilename];
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} else {
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/* Not in tar list, but try anyways, if it fails, pass to `next`.
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Actually try, not check in filesystem here because
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we don't want to duplicate the require.resolve() handling
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*/
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jsFiles = [jsFilename];
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}
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_handle(req, res, jsFilename, jsFiles, function (err) {
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console.log("Unable to load minified file " + jsFilename + ": " + err.toString());
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/* Throw away error and generate a 404, not 500 */
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next();
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});
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}
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function _handle(req, res, jsFilename, jsFiles, next) {
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res.header("Content-Type","text/javascript");
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var cacheName = CACHE_DIR + "/minified_" + jsFilename.replace(/\//g, "_");
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//minifying is enabled
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if(settings.minify)
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{
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var result = undefined;
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var latestModification = 0;
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async.series([
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//find out the highest modification date
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function(callback)
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{
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var folders2check = [CSS_DIR, JS_DIR];
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//go trough this two folders
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async.forEach(folders2check, function(path, callback)
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{
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//read the files in the folder
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fs.readdir(path, function(err, files)
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{
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if(ERR(err, callback)) return;
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//we wanna check the directory itself for changes too
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files.push(".");
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//go trough all files in this folder
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async.forEach(files, function(filename, callback)
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{
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//get the stat data of this file
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fs.stat(path + "/" + filename, function(err, stats)
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{
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if(ERR(err, callback)) return;
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//get the modification time
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var modificationTime = stats.mtime.getTime();
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//compare the modification time to the highest found
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if(modificationTime > latestModification)
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{
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latestModification = modificationTime;
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}
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callback();
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});
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}, callback);
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});
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}, callback);
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},
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function(callback)
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{
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//check the modification time of the minified js
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fs.stat(cacheName, function(err, stats)
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{
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if(err && err.code != "ENOENT")
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{
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ERR(err, callback);
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return;
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}
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//there is no minfied file or there new changes since this file was generated, so continue generating this file
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if((err && err.code == "ENOENT") || stats.mtime.getTime() < latestModification)
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{
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callback();
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}
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//the minified file is still up to date, stop minifying
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else
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{
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callback("stop");
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}
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});
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},
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//load all js files
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function (callback)
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{
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var values = [];
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tarCode(
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jsFiles
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, function (content) {values.push(content)}
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, function (err) {
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if(ERR(err, next)) return;
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result = values.join('');
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callback();
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});
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},
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//put all together and write it into a file
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function(callback)
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{
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async.parallel([
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//write the results plain in a file
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function(callback)
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{
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fs.writeFile(cacheName, result, "utf8", callback);
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},
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//write the results compressed in a file
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function(callback)
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{
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zlib.gzip(result, function(err, compressedResult){
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//weird gzip bug that returns 0 instead of null if everything is ok
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err = err === 0 ? null : err;
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if(ERR(err, callback)) return;
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fs.writeFile(cacheName + ".gz", compressedResult, callback);
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});
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}
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],callback);
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}
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], function(err)
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{
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if(err && err != "stop")
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{
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if(ERR(err)) return;
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}
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//check if gzip is supported by this browser
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var gzipSupport = req.header('Accept-Encoding', '').indexOf('gzip') != -1;
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var pathStr;
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if(gzipSupport && os.type().indexOf("Windows") == -1)
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{
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pathStr = path.normalize(cacheName + ".gz");
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res.header('Content-Encoding', 'gzip');
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}
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else
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{
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pathStr = path.normalize(cacheName);
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}
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res.sendfile(pathStr, { maxAge: server.maxAge });
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})
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}
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//minifying is disabled, so put the files together in one file
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else
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{
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tarCode(
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jsFiles
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, function (content) {res.write(content)}
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, function (err) {
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if(ERR(err, next)) return;
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=======
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var filename = req.params['filename'];
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// No relative paths, especially if they may go up the file hierarchy.
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filename = path.normalize(path.join(ROOT_DIR, filename));
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if (filename.indexOf(ROOT_DIR) == 0) {
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filename = filename.slice(ROOT_DIR.length);
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filename = filename.replace(/\\/g, '/'); // Windows (safe generally?)
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} else {
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res.writeHead(404, {});
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res.end();
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return;
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}
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// What content type should this be?
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// TODO: This should use a MIME module.
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var contentType;
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if (filename.match(/\.js$/)) {
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contentType = "text/javascript";
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} else if (filename.match(/\.css$/)) {
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contentType = "text/css";
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} else if (filename.match(/\.html$/)) {
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contentType = "text/html";
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} else if (filename.match(/\.txt$/)) {
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contentType = "text/plain";
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} else if (filename.match(/\.png$/)) {
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contentType = "image/png";
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} else if (filename.match(/\.gif$/)) {
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contentType = "image/gif";
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} else if (filename.match(/\.ico$/)) {
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contentType = "image/x-icon";
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} else {
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contentType = "application/octet-stream";
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}
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statFile(filename, function (error, date, exists) {
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if (date) {
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date = new Date(date);
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res.setHeader('last-modified', date.toUTCString());
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res.setHeader('date', (new Date()).toUTCString());
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if (server.maxAge) {
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var expiresDate = new Date((new Date()).getTime()+server.maxAge*1000);
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res.setHeader('expires', expiresDate.toUTCString());
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res.setHeader('cache-control', 'max-age=' + server.maxAge);
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}
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}
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if (error) {
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res.writeHead(500, {});
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>>>>>>> pita
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res.end();
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} else if (!exists) {
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res.writeHead(404, {});
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res.end();
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} else if (new Date(req.headers['if-modified-since']) >= date) {
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res.writeHead(304, {});
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res.end();
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} else {
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if (req.method == 'HEAD') {
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res.header("Content-Type", contentType);
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res.writeHead(200, {});
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res.end();
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} else if (req.method == 'GET') {
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getFileCompressed(filename, contentType, function (error, content) {
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if(ERR(error)) return;
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res.header("Content-Type", contentType);
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res.writeHead(200, {});
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res.write(content);
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res.end();
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});
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} else {
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res.writeHead(405, {'allow': 'HEAD, GET'});
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res.end();
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}
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}
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});
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}
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// find all includes in ace.js and embed them.
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function getAceFile(callback) {
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fs.readFile(ROOT_DIR + 'js/ace.js', "utf8", function(err, data) {
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if(ERR(err, callback)) return;
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// Find all includes in ace.js and embed them
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var founds = data.match(/\$\$INCLUDE_[a-zA-Z_]+\("[^"]*"\)/gi);
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if (!settings.minify) {
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founds = [];
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}
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// Always include the require kernel.
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founds.push('$$INCLUDE_JS("../static/js/require-kernel.js")');
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data += ';\n';
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data += 'Ace2Editor.EMBEDED = Ace2Editor.EMBEDED || {};\n';
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// Request the contents of the included file on the server-side and write
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// them into the file.
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async.forEach(founds, function (item, callback) {
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var filename = item.match(/"([^"]*)"/)[1];
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var request = require('request');
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var baseURI = 'http://localhost:' + settings.port
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request(baseURI + path.normalize(path.join('/static/', filename)), function (error, response, body) {
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if (!error && response.statusCode == 200) {
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data += 'Ace2Editor.EMBEDED[' + JSON.stringify(filename) + '] = '
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+ JSON.stringify(body || '') + ';\n';
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} else {
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// Silence?
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}
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callback();
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});
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}, function(error) {
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callback(error, data);
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});
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});
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}
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// Check for the existance of the file and get the last modification date.
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function statFile(filename, callback) {
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if (filename == 'js/ace.js') {
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// Sometimes static assets are inlined into this file, so we have to stat
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// everything.
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lastModifiedDateOfEverything(function (error, date) {
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callback(error, date, !error);
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});
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} else if (filename == 'js/require-kernel.js') {
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callback(null, requireLastModified(), true);
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} else {
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fs.stat(ROOT_DIR + filename, function (error, stats) {
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if (error) {
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if (error.code == "ENOENT") {
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// Stat the directory instead.
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fs.stat(path.dirname(ROOT_DIR + filename), function (error, stats) {
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if (error) {
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if (error.code == "ENOENT") {
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callback(null, null, false);
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} else {
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callback(error);
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}
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} else {
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callback(null, stats.mtime.getTime(), false);
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}
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});
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} else {
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callback(error);
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}
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} else {
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callback(null, stats.mtime.getTime(), true);
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}
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});
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}
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}
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function lastModifiedDateOfEverything(callback) {
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var folders2check = [ROOT_DIR + 'js/', ROOT_DIR + 'css/'];
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var latestModification = 0;
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//go trough this two folders
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async.forEach(folders2check, function(path, callback)
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{
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//read the files in the folder
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fs.readdir(path, function(err, files)
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{
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if(ERR(err, callback)) return;
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//we wanna check the directory itself for changes too
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files.push(".");
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//go trough all files in this folder
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async.forEach(files, function(filename, callback)
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{
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//get the stat data of this file
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fs.stat(path + "/" + filename, function(err, stats)
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{
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if(ERR(err, callback)) return;
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//get the modification time
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var modificationTime = stats.mtime.getTime();
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//compare the modification time to the highest found
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if(modificationTime > latestModification)
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{
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latestModification = modificationTime;
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}
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callback();
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});
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}, callback);
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});
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}, function () {
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callback(null, latestModification);
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});
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}
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// This should be provided by the module, but until then, just use startup
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// time.
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var _requireLastModified = new Date();
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function requireLastModified() {
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return _requireLastModified.toUTCString();
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}
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function requireDefinition() {
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return 'var require = ' + RequireKernel.kernelSource + ';\n';
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}
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<<<<<<< HEAD
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function tarCode(jsFiles, write, callback) {
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write('require.define({');
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var initialEntry = true;
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async.forEach(jsFiles, function (filename, callback){
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var path;
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var srcPath;
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if (filename.indexOf('plugins/') == 0) {
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srcPath = filename.substring('plugins/'.length);
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path = require.resolve(srcPath);
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} else {
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srcPath = '/' + filename;
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path = JS_DIR + filename;
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}
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srcPath = JSON.stringify(srcPath);
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var srcPathAbbv = JSON.stringify(srcPath.replace(/\.js$/, ''));
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if (filename == 'ace.js') {
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getAceFile(handleFile);
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} else {
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fs.readFile(path, "utf8", handleFile);
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}
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function handleFile(err, data) {
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if(ERR(err, callback)) return;
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if (!initialEntry) {
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write('\n,');
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} else {
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initialEntry = false;
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}
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write(srcPath + ': ')
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data = '(function (require, exports, module) {' + data + '})';
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=======
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function getFileCompressed(filename, contentType, callback) {
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getFile(filename, function (error, content) {
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if (error || !content) {
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callback(error, content);
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} else {
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>>>>>>> pita
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if (settings.minify) {
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if (contentType == 'text/javascript') {
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try {
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content = compressJS([content]);
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} catch (error) {
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// silence
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}
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} else if (contentType == 'text/css') {
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content = compressCSS([content]);
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}
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}
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callback(null, content);
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}
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<<<<<<< HEAD
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}, function (err) {
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if(ERR(err, callback)) return;
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write('});\n');
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callback();
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=======
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>>>>>>> pita
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});
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}
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function getFile(filename, callback) {
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if (filename == 'js/ace.js') {
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getAceFile(callback);
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} else if (filename == 'js/require-kernel.js') {
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callback(undefined, requireDefinition());
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} else {
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fs.readFile(ROOT_DIR + filename, callback);
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}
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}
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function compressJS(values)
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{
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var complete = values.join("\n");
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var ast = jsp.parse(complete); // parse code and get the initial AST
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ast = pro.ast_mangle(ast); // get a new AST with mangled names
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ast = pro.ast_squeeze(ast); // get an AST with compression optimizations
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return pro.gen_code(ast); // compressed code here
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}
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function compressCSS(values)
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{
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var complete = values.join("\n");
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return cleanCSS.process(complete);
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}
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