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+/**
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+ * @license Copyright (c) 2003-2015, CKSource - Frederico Knabben. All rights reserved.
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+ * For licensing, see LICENSE.md.
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+ */
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+
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+/* jshint node: true */
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+
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+'use strict';
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+
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+module.exports = Builder;
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+
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+/**
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+ * A CKEditor 5 release builder.
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+ *
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+ * @class Builder
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+ */
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+function Builder( target ) {
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+ /**
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+ * The target directory where to create the build.
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+ *
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+ * **Warning**: if existing, this directory will be deleted before processing.
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+ *
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+ * @property {String}
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+ */
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+ this.target = target || 'build';
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+
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+ /**
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+ * The temporary directory to use for build processing.
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+ *
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+ * **Warning**: if existing, this directory will be deleted before processing.
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+ *
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+ * @property {String}
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+ */
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+ this.tmp = 'build-tmp';
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+
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+ /**
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+ * The list of tasks to be executed by the `build()` method. Each entry is an Array containing the name of the
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+ * method inside `tasks` to execute and the message to show to the end user when executing it.
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+ *
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+ * @property {Array}
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+ */
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+ this.taskList = [
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+ [ 'cleanUp', 'Cleaning the "' + this.target + '" directory...' ],
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+ [ 'copyToTmp', 'Copying source files for manipulation...' ],
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+ [ 'removeAmdNamespace', 'AMD cleanup...' ],
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+ [ 'optimize', 'Creating the optimized code...' ],
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+ [ 'cleanUpTmp', 'Removing the "' + this.tmp + '" directory...' ]
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+ ];
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+}
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+
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+Builder.prototype = {
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+ /**
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+ * Builds a CKEditor release based on the current development code.
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+ *
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+ * @param {Function} [callback] Function to be called when build finishes. It receives `false` on error.
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+ */
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+ build: function( callback ) {
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+ var that = this;
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+ var stepCounter = 0;
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+
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+ // Before starting, run the initial checkups.
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+ if ( !this.checkUp() ) {
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+ console.error( 'Build operation aborted.' );
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+ callback( false );
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+
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+ return;
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+ }
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+
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+ console.log( 'Building CKEditor into the "' + this.target + '" directory:')
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+
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+ runNext();
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+
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+ function runNext() {
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+ var next = that.taskList.shift();
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+
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+ if ( next ) {
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+ stepCounter++;
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+ console.log( stepCounter + '. ' + next[ 1 ] );
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+ that.tasks[ next[ 0 ] ].call( that, runNext );
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+ } else {
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+ if ( callback ) {
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+ callback();
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+ }
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+ }
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+ }
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+ },
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+
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+ checkUp: function() {
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+ var fs = require( 'fs' );
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+
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+ // Stop if the tmp folder already exists.
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+ if ( fs.existsSync( this.tmp ) ) {
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+ console.error( 'The "' + this.tmp + '" directory already exists. Delete it and try again.' );
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+
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+ return false;
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+ }
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+
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+ return true;
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+ },
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+
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+ /**
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+ * Holds individual methods for each task executed by the builder.
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+ *
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+ * All methods here MUST be called in the builder context by using
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+ * `builder.tasks.someMethod.call( builder, callback )`.
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+ */
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+ tasks: {
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+ /**
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+ * Deletes the `target` and `tmp` directories.
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+ *
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+ * @param {Function} callback Function to be called when the task is done.
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+ * @returns {Object} The callback returned value.
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+ */
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+ cleanUp: function( callback ) {
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+ var del = require( 'del' );
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+ del.sync( this.target );
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+ del.sync( this.tmp );
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+
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+ return callback();
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+ },
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+
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+ /**
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+ * Copy the local source code of CKEditor and its dependencies to the `tmp` directory for processing.
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+ *
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+ * @param {Function} callback Function to be called when the task is done.
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+ * @returns {Object} The callback returned value.
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+ */
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+ copyToTmp: function( callback ) {
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+ var ncp = require( 'ncp' ).ncp;
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+ var path = require( 'path' );
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+ var fs = require( 'fs' );
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+ var tmp = this.tmp;
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+
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+ var deps = require( '../../../package.json' ).dependencies;
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+
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+ var toCopy = Object.keys( deps ).filter( function( name ) {
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+ return name.indexOf( 'ckeditor5-' ) === 0;
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+ } );
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+
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+ fs.mkdirSync( tmp );
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+
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+ function copy() {
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+ var module = toCopy.shift();
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+
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+ if ( !module ) {
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+ return callback();
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+ }
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+
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+ var dest = path.join( tmp + '/', module );
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+
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+ if ( !fs.existsSync( dest ) ) {
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+ fs.mkdirSync( dest );
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+ }
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+
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+ // Copy the "src" directory only.
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+ ncp( path.join( 'node_modules', module, 'src' ), path.join( dest, 'src' ), {
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+ dereference: true
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+ }, function( err ) {
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+ if ( err ) {
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+ throw err;
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+ }
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+
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+ copy();
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+ } );
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+ }
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+
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+ copy();
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+ },
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+
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+ /**
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+ * Removes the `CKEDITOR` namespace from AMD calls in the `tmp` copy of the source code.
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+ *
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+ * @param {Function} callback Function to be called when the task is done.
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+ * @returns {Object} The callback returned value.
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+ */
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+ removeAmdNamespace: function( callback ) {
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+ var replace = require( 'replace' );
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+
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+ replace( {
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+ regex: /^\s*CKEDITOR\.(define|require)/mg,
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+ replacement: '$1',
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+ paths: [ this.tmp ],
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+ recursive: true,
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+ silent: true
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+ } );
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+
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+ callback();
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+ },
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+
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+ /**
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+ * Creates the optimized release version of `ckeditor.js` in the `target` directory out of the `tmp` copy of the
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+ * source code.
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+ *
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+ * @param {Function} callback Function to be called when the task is done.
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+ * @returns {Object} The callback returned value.
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+ */
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+ optimize: function( callback ) {
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+ var requirejs = require( 'requirejs' );
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+
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+ var config = {
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+ out: this.target + '/ckeditor.js',
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+
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+ baseUrl: this.tmp + '/ckeditor5-core/src/',
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+ paths: {
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+ 'ckeditor': '../../../ckeditor',
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+ 'ckeditor-dev': '../../../src/ckeditor-dev',
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+ 'ckeditor-core': 'ckeditor'
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+ },
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+
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+ include: [ 'ckeditor' ],
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+ stubModules: [ 'ckeditor-dev' ],
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+
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+ // optimize: 'none',
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+ optimize: 'uglify2',
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+ preserveLicenseComments: false,
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+ wrap: {
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+ startFile: [ 'src/build/start.frag', require.resolve( 'almond' ) ],
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+ endFile: 'src/build/end.frag'
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+ }
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+ };
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+
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+ requirejs.optimize( config, callback );
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+ },
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+
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+ /**
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+ * Deletes `tmp` directory.
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+ *
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+ * @param {Function} callback Function to be called when the task is done.
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+ * @returns {Object} The callback returned value.
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+ */
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+ cleanUpTmp: function( callback ) {
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+ var del = require( 'del' );
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+ del.sync( this.tmp );
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+
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+ return callback();
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+ }
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+ }
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+};
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