mirror of
https://github.com/jquery/jquery.git
synced 2024-11-23 02:54:22 +00:00
4c1171f2ed
Re-introduce the `selector-native` similar to the one on the `3.x-stable`
branch. One difference is since the `main` branch inlined Sizzle, some
selector utils can be shared between the main `selector` module and
`selector-native`.
The main `selector` module can be disabled in favor of `selector-native`
via:
grunt custom:-selector
Other changes:
* Tests: Fix Safari detection - Chrome Headless has a different user
agent than Safari and a browser check in selector tests didn't take
that into account.
* Tests: Run selector-native tests in `npm test`
* Selector: Fix querying on document fragments
Ref gh-4395
Closes gh-5085
385 lines
11 KiB
JavaScript
385 lines
11 KiB
JavaScript
/**
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* Special build task to handle various jQuery build requirements.
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* Compiles JS modules into one bundle, sets the custom AMD name,
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* and includes/excludes specified modules
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*/
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"use strict";
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module.exports = function( grunt ) {
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const fs = require( "fs" );
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const path = require( "path" );
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const rollup = require( "rollup" );
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const slimBuildFlags = require( "./lib/slim-build-flags" );
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const rollupFileOverrides = require( "./lib/rollup-plugin-file-overrides" );
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const Insight = require( "insight" );
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const pkg = require( "../../package.json" );
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const srcFolder = path.resolve( `${ __dirname }/../../src` );
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const read = function( fileName ) {
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return grunt.file.read( `${ srcFolder }/${ fileName }` );
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};
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// Catch `// @CODE` and subsequent comment lines event if they don't start
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// in the first column.
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const wrapper = read( "wrapper.js" )
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.split( /[\x20\t]*\/\/ @CODE\n(?:[\x20\t]*\/\/[^\n]+\n)*/ );
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const inputFileName = "jquery.js";
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const inputRollupOptions = {
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input: `${ srcFolder }/${ inputFileName }`
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};
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const outputRollupOptions = {
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// The ESM format is not actually used as we strip it during
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// the build; it's just that it doesn't generate any extra
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// wrappers so there's nothing for us to remove.
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format: "esm",
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intro: wrapper[ 0 ]
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.replace( /\n*$/, "" ),
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outro: wrapper[ 1 ]
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.replace( /^\n*/, "" )
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};
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const fileOverrides = new Map();
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function getOverride( filePath ) {
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return fileOverrides.get( path.resolve( filePath ) );
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}
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function setOverride( filePath, source ) {
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// We want normalized paths in overrides as they will be matched
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// against normalized paths in the file overrides Rollup plugin.
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fileOverrides.set( path.resolve( filePath ), source );
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}
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grunt.registerMultiTask(
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"build",
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"Build jQuery ECMAScript modules, " +
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"(include/exclude modules with +/- flags), embed date/version",
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async function() {
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const done = this.async();
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try {
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const flags = this.flags;
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const optIn = flags[ "*" ];
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let name = grunt.option( "filename" );
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const minimum = this.data.minimum;
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const removeWith = this.data.removeWith;
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const excluded = [];
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const included = [];
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let version = grunt.config( "pkg.version" );
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// We'll skip printing the whole big exclusions for a bare `build:*:*:slim` which
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// usually comes from `custom:slim`.
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const isPureSlim = !!( flags.slim && flags[ "*" ] &&
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Object.keys( flags ).length === 2 );
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delete flags[ "*" ];
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if ( flags.slim ) {
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delete flags.slim;
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for ( const flag of slimBuildFlags ) {
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flags[ flag ] = true;
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}
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}
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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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* @param {String} [prepend] Prepend this to the module name.
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* Indicates we're walking a directory
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*/
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const excludeList = ( list, prepend ) => {
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if ( list ) {
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prepend = prepend ? `${ prepend }/` : "";
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list.forEach( function( module ) {
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// Exclude var modules as well
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if ( module === "var" ) {
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excludeList(
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fs.readdirSync( `${ srcFolder }/${ prepend }${ module }` ),
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prepend + module
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);
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return;
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}
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if ( prepend ) {
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// Skip if this is not a js file and we're walking files in a dir
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if ( !( module = /([\w-\/]+)\.js$/.exec( module ) ) ) {
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return;
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}
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// Prepend folder name if passed
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// Remove .js extension
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module = prepend + module[ 1 ];
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}
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// Avoid infinite recursion
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if ( excluded.indexOf( module ) === -1 ) {
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excluder( "-" + module );
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}
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} );
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}
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};
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/**
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* Adds the specified module to the excluded or included list, depending on the flag
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* @param {String} flag A module path relative to
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* the src directory starting with + or - to indicate
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* whether it should be included or excluded
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*/
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const excluder = flag => {
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let additional;
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const m = /^(\+|-|)([\w\/-]+)$/.exec( flag );
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const exclude = m[ 1 ] === "-";
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const module = m[ 2 ];
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if ( exclude ) {
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// Can't exclude certain modules
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if ( minimum.indexOf( module ) === -1 ) {
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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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// 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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// `selector` is a special case as we don't just remove
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// the module, but we replace it with `selector-native`
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// which re-uses parts of the `src/selector` folder.
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if ( module !== "selector" ) {
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excludeList(
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fs.readdirSync( `${ srcFolder }/${ module }` ),
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module
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);
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}
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} catch ( e ) {
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grunt.verbose.writeln( e );
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}
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}
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additional = removeWith[ module ];
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// Check removeWith list
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if ( additional ) {
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excludeList( additional.remove || additional );
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if ( additional.include ) {
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included.push( ...additional.include );
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grunt.log.writeln( "+" + additional.include );
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}
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}
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} else {
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grunt.log.error( "Module \"" + module + "\" is a minimum requirement." );
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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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// Filename can be passed to the command line using
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// command line options
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// e.g. grunt build --filename=jquery-custom.js
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name = name ? `dist/${ name }` : this.data.dest;
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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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// *:*:-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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for ( const flag in flags ) {
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excluder( flag );
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}
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// Remove the jQuery export from the entry file, we'll use our own
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// custom wrapper.
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setOverride( inputRollupOptions.input,
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read( inputFileName ).replace( /\n*export default jQuery;\n*/, "\n" ) );
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// Replace exports/global with a noop noConflict
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if ( excluded.includes( "exports/global" ) ) {
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const index = excluded.indexOf( "exports/global" );
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setOverride( `${ srcFolder }/exports/global.js`,
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"import jQuery from \"../core.js\";\n\n" +
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"jQuery.noConflict = function() {};" );
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excluded.splice( index, 1 );
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}
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// Set a desired AMD name.
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let amdName = grunt.option( "amd" );
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if ( amdName != null ) {
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if ( amdName ) {
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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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// Remove the comma for anonymous defines
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setOverride( `${ srcFolder }/exports/amd.js`,
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read( "exports/amd.js" )
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.replace( /(\s*)"jquery"(,\s*)/,
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amdName ? "$1\"" + amdName + "\"$2" : "" ) );
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}
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grunt.verbose.writeflags( excluded, "Excluded" );
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grunt.verbose.writeflags( included, "Included" );
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// Indicate a Slim build without listing all the exclusions
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// to save space.
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if ( isPureSlim ) {
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version += " slim";
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// Append excluded modules to version.
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} else if ( excluded.length ) {
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version += " -" + excluded.join( ",-" );
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}
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if ( excluded.length ) {
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// Set pkg.version to version with excludes or with the "slim" marker,
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// so minified file picks it up but skip the commit hash the same way
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// it's done for the full build.
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const commitlessVersion = version.replace( " " + process.env.COMMIT, "" );
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grunt.config.set( "pkg.version", commitlessVersion );
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grunt.verbose.writeln( "Version changed to " + commitlessVersion );
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// Replace excluded modules with empty sources.
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for ( const module of excluded ) {
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setOverride(
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`${ srcFolder }/${ module }.js`,
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// The `selector` module is not removed, but replaced
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// with `selector-native`.
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module === "selector" ? read( "selector-native.js" ) : ""
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);
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}
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}
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// Turn off opt-in if necessary
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if ( !optIn ) {
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// Remove the default inclusions, they will be overwritten with the explicitly
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// included ones.
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setOverride( inputRollupOptions.input, "" );
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}
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// Import the explicitly included modules.
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if ( included.length ) {
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setOverride( inputRollupOptions.input,
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getOverride( inputRollupOptions.input ) + included
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.map( module => `import "./${module}.js";` )
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.join( "\n" ) );
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}
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const bundle = await rollup.rollup( {
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...inputRollupOptions,
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plugins: [ rollupFileOverrides( fileOverrides ) ]
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} );
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const { output: [ { code } ] } = await bundle.generate( outputRollupOptions );
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const compiledContents = code
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// Embed Version
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.replace( /@VERSION/g, version )
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// Embed Date
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// yyyy-mm-ddThh:mmZ
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.replace(
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/@DATE/g,
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( new Date() ).toISOString()
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.replace( /:\d+\.\d+Z$/, "Z" )
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);
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grunt.file.write( name, compiledContents );
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grunt.log.ok( `File '${ name }' created.` );
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done();
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} catch ( err ) {
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done( err );
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}
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} );
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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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//
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// There's also a special "slim" alias that resolves to the jQuery Slim build
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// configuration:
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//
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// grunt custom:slim
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grunt.registerTask( "custom", function() {
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const args = this.args;
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const modules = args.length ?
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args[ 0 ].split( "," ).join( ":" ) :
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"";
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const done = this.async();
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const insight = new Insight( {
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trackingCode: "UA-1076265-4",
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pkg: pkg
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} );
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function exec( trackingAllowed ) {
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let tracks = args.length ? args[ 0 ].split( "," ) : [];
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const defaultPath = [ "build", "custom" ];
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tracks = tracks.map( function( track ) {
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return track.replace( /\//g, "+" );
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} );
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if ( trackingAllowed ) {
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// Track individuals
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tracks.forEach( function( module ) {
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const path = defaultPath.concat( [ "individual" ], module );
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insight.track.apply( insight, path );
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} );
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// Track full command
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insight.track.apply( insight, defaultPath.concat( [ "full" ], tracks ) );
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}
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grunt.task.run( [ "build:*:*" + ( modules ? ":" + modules : "" ), "uglify", "dist" ] );
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done();
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}
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grunt.log.writeln( "Creating custom build...\n" );
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// Ask for permission the first time
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if ( insight.optOut === undefined ) {
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insight.askPermission( null, function( _error, result ) {
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exec( result );
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} );
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} else {
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exec( !insight.optOut );
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}
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} );
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};
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