2013-08-15 18:15:49 +00:00
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/**
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* Special concat/build task to handle various jQuery build requirements
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2014-07-17 17:25:59 +00:00
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* Concats AMD modules, removes their definitions,
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* and includes/excludes specified modules
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2013-08-15 18:15:49 +00:00
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*/
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module.exports = function( grunt ) {
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2013-08-16 13:48:00 +00:00
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"use strict";
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var fs = require( "fs" ),
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2013-10-15 14:44:50 +00:00
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requirejs = require( "requirejs" ),
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2013-08-16 14:13:09 +00:00
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srcFolder = __dirname + "/../../src/",
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2015-06-16 15:24:21 +00:00
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rdefineEnd = /\}\s*?\);[^}\w]*$/,
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2013-08-15 18:15:49 +00:00
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config = {
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baseUrl: "src",
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name: "jquery",
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out: "dist/jquery.js",
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2015-09-02 23:52:01 +00:00
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2013-08-15 18:15:49 +00:00
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// We have multiple minify steps
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optimize: "none",
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2015-09-02 23:52:01 +00:00
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2013-09-09 15:26:21 +00:00
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// Include dependencies loaded with require
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findNestedDependencies: true,
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2015-09-02 23:52:01 +00:00
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2014-05-01 10:21:34 +00:00
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// Avoid inserting define() placeholder
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skipModuleInsertion: true,
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2015-09-02 23:52:01 +00:00
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2013-09-09 15:26:21 +00:00
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// Avoid breaking semicolons inserted by r.js
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2013-08-15 18:15:49 +00:00
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skipSemiColonInsertion: true,
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wrap: {
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startFile: "src/intro.js",
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2014-12-09 20:39:24 +00:00
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endFile: [ "src/exports/global.js", "src/outro.js" ]
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2013-08-15 18:15:49 +00:00
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},
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2013-09-10 23:47:36 +00:00
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paths: {
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2014-06-10 19:32:25 +00:00
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sizzle: "../external/sizzle/dist/sizzle"
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2013-09-10 23:47:36 +00:00
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},
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2013-09-09 02:26:05 +00:00
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rawText: {},
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2013-08-15 18:15:49 +00:00
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onBuildWrite: convert
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};
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/**
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* Strip all definitions generated by requirejs
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* Convert "var" modules to var declarations
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2014-07-17 17:25:59 +00:00
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* "var module" means the module only contains a return
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* statement that should be converted to a var declaration
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2013-08-15 18:15:49 +00:00
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* This is indicated by including the file in any "var" folder
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* @param {String} name
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* @param {String} path
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* @param {String} contents The contents to be written (including their AMD wrappers)
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*/
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function convert( name, path, contents ) {
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2013-12-19 20:31:36 +00:00
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var amdName;
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2015-09-02 23:52:01 +00:00
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2013-08-15 18:15:49 +00:00
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// Convert var modules
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2013-08-15 19:58:44 +00:00
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if ( /.\/var\//.test( path ) ) {
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2013-08-15 18:15:49 +00:00
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contents = contents
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2015-09-02 23:52:01 +00:00
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.replace( /define\([\w\W]*?return/, "var " + ( /var\/([\w-]+)/.exec( name )[ 1 ] ) + " =" )
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2013-08-15 18:15:49 +00:00
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.replace( rdefineEnd, "" );
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// Sizzle treatment
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2013-09-10 23:47:36 +00:00
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} else if ( /^sizzle$/.test( name ) ) {
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2013-08-15 18:15:49 +00:00
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contents = "var Sizzle =\n" + contents
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2015-09-02 23:52:01 +00:00
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2013-08-15 18:15:49 +00:00
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// Remove EXPOSE lines from Sizzle
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.replace( /\/\/\s*EXPOSE[\w\W]*\/\/\s*EXPOSE/, "return Sizzle;" );
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} else {
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2014-12-09 20:39:24 +00:00
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contents = contents
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2015-06-16 15:24:21 +00:00
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.replace( /\s*return\s+[^\}]+(\}\s*?\);[^\w\}]*)$/, "$1" )
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2015-09-02 23:52:01 +00:00
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2014-12-09 20:39:24 +00:00
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// Multiple exports
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.replace( /\s*exports\.\w+\s*=\s*\w+;/g, "" );
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2013-08-15 18:15:49 +00:00
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// Remove define wrappers, closure ends, and empty declarations
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contents = contents
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.replace( /define\([^{]*?{/, "" )
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2013-08-16 16:54:43 +00:00
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.replace( rdefineEnd, "" );
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2013-10-15 14:40:48 +00:00
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// Remove anything wrapped with
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// /* ExcludeStart */ /* ExcludeEnd */
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// or a single line directly after a // BuildExclude comment
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2013-09-09 13:50:12 +00:00
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contents = contents
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2013-10-15 14:40:48 +00:00
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.replace( /\/\*\s*ExcludeStart\s*\*\/[\w\W]*?\/\*\s*ExcludeEnd\s*\*\//ig, "" )
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.replace( /\/\/\s*BuildExclude\n\r?[\w\W]*?\n\r?/ig, "" );
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2013-09-09 13:50:12 +00:00
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2013-08-16 16:54:43 +00:00
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// Remove empty definitions
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contents = contents
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2014-05-01 10:21:34 +00:00
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.replace( /define\(\[[^\]]*\]\)[\W\n]+$/, "" );
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2013-08-15 18:15:49 +00:00
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}
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2015-09-02 23:52:01 +00:00
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2014-03-07 14:55:26 +00:00
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// AMD Name
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2015-09-02 23:52:01 +00:00
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if ( ( amdName = grunt.option( "amd" ) ) != null && /^exports\/amd$/.test( name ) ) {
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if ( amdName ) {
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2014-03-07 14:55:26 +00:00
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grunt.log.writeln( "Naming jQuery with AMD name: " + amdName );
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} else {
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grunt.log.writeln( "AMD name now anonymous" );
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}
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2015-09-02 23:52:01 +00:00
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2014-03-07 14:55:26 +00:00
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// Remove the comma for anonymous defines
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contents = contents
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.replace( /(\s*)"jquery"(\,\s*)/, amdName ? "$1\"" + amdName + "\"$2" : "" );
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}
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2013-08-15 18:15:49 +00:00
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return contents;
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}
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grunt.registerMultiTask(
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"build",
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2014-07-17 17:25:59 +00:00
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"Concatenate source, remove sub AMD definitions, " +
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"(include/exclude modules with +/- flags), embed date/version",
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2013-08-15 18:15:49 +00:00
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function() {
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2013-12-19 20:00:06 +00:00
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var flag, index,
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2013-08-15 18:15:49 +00:00
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done = this.async(),
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flags = this.flags,
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2013-09-09 02:26:05 +00:00
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optIn = flags[ "*" ],
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2013-08-15 18:15:49 +00:00
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name = this.data.dest,
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minimum = this.data.minimum,
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removeWith = this.data.removeWith,
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excluded = [],
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included = [],
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version = grunt.config( "pkg.version" ),
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/**
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* Recursively calls the excluder to remove on all modules in the list
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* @param {Array} list
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2014-07-17 17:25:59 +00:00
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* @param {String} [prepend] Prepend this to the module name.
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* Indicates we're walking a directory
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2013-08-15 18:15:49 +00:00
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*/
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excludeList = function( list, prepend ) {
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if ( list ) {
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prepend = prepend ? prepend + "/" : "";
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2015-09-02 23:52:01 +00:00
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list.forEach( function( module ) {
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2013-08-15 18:15:49 +00:00
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// Exclude var modules as well
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if ( module === "var" ) {
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2014-07-17 17:25:59 +00:00
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excludeList(
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fs.readdirSync( srcFolder + prepend + module ), prepend + module
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);
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2013-08-15 18:15:49 +00:00
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return;
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}
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if ( prepend ) {
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2015-09-02 23:52:01 +00:00
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2013-08-15 18:15:49 +00:00
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// Skip if this is not a js file and we're walking files in a dir
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2015-09-02 23:52:01 +00:00
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if ( !( module = /([\w-\/]+)\.js$/.exec( module ) ) ) {
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2013-08-15 18:15:49 +00:00
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return;
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}
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2015-09-02 23:52:01 +00:00
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2013-08-15 18:15:49 +00:00
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// Prepend folder name if passed
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// Remove .js extension
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2015-09-02 23:52:01 +00:00
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module = prepend + module[ 1 ];
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2013-08-15 18:15:49 +00:00
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}
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// Avoid infinite recursion
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if ( excluded.indexOf( module ) === -1 ) {
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excluder( "-" + module );
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}
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2015-09-02 23:52:01 +00:00
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} );
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2013-08-15 18:15:49 +00:00
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}
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},
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/**
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* Adds the specified module to the excluded or included list, depending on the flag
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2014-07-17 17:25:59 +00:00
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* @param {String} flag A module path relative to
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* the src directory starting with + or - to indicate
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* whether it should included or excluded
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2013-08-15 18:15:49 +00:00
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*/
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excluder = function( flag ) {
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var m = /^(\+|\-|)([\w\/-]+)$/.exec( flag ),
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2013-08-16 13:48:00 +00:00
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exclude = m[ 1 ] === "-",
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module = m[ 2 ];
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2013-08-15 18:15:49 +00:00
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if ( exclude ) {
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2015-09-02 23:52:01 +00:00
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2014-07-18 00:47:39 +00:00
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// Can't exclude sizzle on this branch
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if ( module === "sizzle" ) {
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2015-03-30 20:46:29 +00:00
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grunt.log.error( "Sizzle cannot be excluded on the compat branch." );
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2014-07-18 00:47:39 +00:00
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2013-08-15 18:15:49 +00:00
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// Can't exclude certain modules
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2014-07-18 00:47:39 +00:00
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} else if ( minimum.indexOf( module ) === -1 ) {
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2015-09-02 23:52:01 +00:00
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2013-08-15 18:15:49 +00:00
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// Add to excluded
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if ( excluded.indexOf( module ) === -1 ) {
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grunt.log.writeln( flag );
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excluded.push( module );
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2015-09-02 23:52:01 +00:00
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2013-08-15 18:15:49 +00:00
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// Exclude all files in the folder of the same name
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// These are the removable dependencies
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// It's fine if the directory is not there
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try {
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excludeList( fs.readdirSync( srcFolder + module ), module );
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2014-07-17 17:25:59 +00:00
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} catch ( e ) {
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2013-08-15 18:15:49 +00:00
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grunt.verbose.writeln( e );
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}
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}
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2015-09-02 23:52:01 +00:00
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2013-08-15 18:15:49 +00:00
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// Check removeWith list
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excludeList( removeWith[ module ] );
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} else {
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2015-09-02 23:52:01 +00:00
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grunt.log.error( "Module \"" + module + "\" is a minimum requirement." );
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2013-08-15 18:15:49 +00:00
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}
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} else {
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grunt.log.writeln( flag );
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included.push( module );
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}
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};
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// append commit id to version
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if ( process.env.COMMIT ) {
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version += " " + process.env.COMMIT;
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}
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// figure out which files to exclude based on these rules in this order:
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// dependency explicit exclude
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// > explicit exclude
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// > explicit include
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// > dependency implicit exclude
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// > implicit exclude
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// examples:
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// * none (implicit exclude)
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// *:* all (implicit include)
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// *:*:-css all except css and dependents (explicit > implicit)
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2014-07-17 17:25:59 +00:00
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// *:*:-css:+effects same (excludes effects because explicit include is
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// trumped by explicit exclude of dependency)
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// *:+effects none except effects and its dependencies
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// (explicit include trumps implicit exclude of dependency)
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2013-09-09 02:26:05 +00:00
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delete flags[ "*" ];
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2013-08-15 18:15:49 +00:00
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for ( flag in flags ) {
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2013-09-09 02:26:05 +00:00
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excluder( flag );
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2013-08-15 18:15:49 +00:00
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}
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2013-12-19 20:00:06 +00:00
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// Replace exports/global with a noop noConflict
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2015-09-02 23:52:01 +00:00
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if ( ( index = excluded.indexOf( "exports/global" ) ) > -1 ) {
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2013-12-19 20:00:06 +00:00
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config.rawText[ "exports/global" ] = "define(['../core']," +
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"function( jQuery ) {\njQuery.noConflict = function() {};\n});";
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excluded.splice( index, 1 );
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}
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2013-08-15 18:15:49 +00:00
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grunt.verbose.writeflags( excluded, "Excluded" );
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grunt.verbose.writeflags( included, "Included" );
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// append excluded modules to version
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if ( excluded.length ) {
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version += " -" + excluded.join( ",-" );
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2015-09-02 23:52:01 +00:00
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2013-08-15 18:15:49 +00:00
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// set pkg.version to version with excludes, so minified file picks it up
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grunt.config.set( "pkg.version", version );
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grunt.verbose.writeln( "Version changed to " + version );
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2015-09-02 23:52:01 +00:00
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2013-08-15 18:15:49 +00:00
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// Have to use shallow or core will get excluded since it is a dependency
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config.excludeShallow = excluded;
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}
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config.include = included;
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/**
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* Handle Final output from the optimizer
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* @param {String} compiled
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*/
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config.out = function( compiled ) {
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compiled = compiled
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2015-09-02 23:52:01 +00:00
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2013-08-15 18:15:49 +00:00
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// Embed Version
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.replace( /@VERSION/g, version )
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2015-09-02 23:52:01 +00:00
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2013-08-15 18:15:49 +00:00
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// Embed Date
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// yyyy-mm-ddThh:mmZ
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.replace( /@DATE/g, ( new Date() ).toISOString().replace( /:\d+\.\d+Z$/, "Z" ) );
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// Write concatenated source to file
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grunt.file.write( name, compiled );
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};
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2013-09-09 02:26:05 +00:00
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// Turn off opt-in if necessary
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if ( !optIn ) {
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2015-09-02 23:52:01 +00:00
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2013-09-09 02:26:05 +00:00
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// Overwrite the default inclusions with the explicit ones provided
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2014-07-17 17:25:59 +00:00
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config.rawText.jquery = "define([" +
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2015-09-02 23:52:01 +00:00
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( included.length ? included.join( "," ) : "" ) +
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2014-07-17 17:25:59 +00:00
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"]);";
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2013-09-09 02:26:05 +00:00
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}
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2013-08-15 18:15:49 +00:00
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// Trace dependencies and concatenate files
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requirejs.optimize( config, function( response ) {
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grunt.verbose.writeln( response );
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grunt.log.ok( "File '" + name + "' created." );
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done();
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}, function( err ) {
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done( err );
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2015-09-02 23:52:01 +00:00
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} );
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} );
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2013-08-15 18:15:49 +00:00
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// Special "alias" task to make custom build creation less grawlix-y
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// Translation example
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//
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// grunt custom:+ajax,-dimensions,-effects,-offset
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//
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// Becomes:
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//
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// grunt build:*:*:+ajax:-dimensions:-effects:-offset
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grunt.registerTask( "custom", function() {
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2013-12-19 20:31:36 +00:00
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var args = this.args,
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2013-08-16 13:48:00 +00:00
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modules = args.length ? args[ 0 ].replace( /,/g, ":" ) : "";
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2013-08-15 18:15:49 +00:00
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grunt.log.writeln( "Creating custom build...\n" );
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2015-09-02 23:52:01 +00:00
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grunt.task.run( [ "build:*:*" + ( modules ? ":" + modules : "" ), "uglify", "dist" ] );
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} );
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2013-08-15 18:15:49 +00:00
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};
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