grunt.js

   1 /**
   2  * Resources
   3  *
   4  * https://gist.github.com/2489540
   5  *
   6  */
   7
   8 /*jshint node: true */
   9 /*global config:true, task:true, process:true*/
  10 module.exports = function( grunt ) {
  11
  12         // readOptionalJSON
  13         // by Ben Alman
  14         // https://gist.github.com/2876125
  15         function readOptionalJSON( filepath ) {
  16                 var data = {};
  17                 try {
  18                         data = grunt.file.readJSON( filepath );
  19                         grunt.verbose.write( "Reading " + filepath + "..." ).ok();
  20                 } catch(e) {}
  21                 return data;
  22         }
  23
  24         var task = grunt.task;
  25         var file = grunt.file;
  26         var utils = grunt.utils;
  27         var log = grunt.log;
  28         var verbose = grunt.verbose;
  29         var fail = grunt.fail;
  30         var option = grunt.option;
  31         var config = grunt.config;
  32         var template = grunt.template;
  33         var distpaths = [
  34                 "dist/jquery.js",
  35                 "dist/jquery.min.js"
  36         ];
  37
  38         grunt.initConfig({
  39                 pkg: "<json:package.json>",
  40                 dst: readOptionalJSON("dist/.destination.json"),
  41                 meta: {
  42                         banner: "/*! jQuery v@<%= pkg.version %> jquery.com | jquery.org/license */"
  43                 },
  44                 compare_size: {
  45                         files: distpaths
  46                 },
  47                 selector: {
  48                         "src/selector.js": [
  49                                 "src/sizzle-jquery.js",
  50                                 "src/sizzle/sizzle.js"
  51                         ]
  52                 },
  53                 build: {
  54                         "dist/jquery.js": [
  55                                 "src/intro.js",
  56                                 "src/core.js",
  57                                 "src/callbacks.js",
  58                                 "src/deferred.js",
  59                                 "src/support.js",
  60                                 "src/data.js",
  61                                 "src/queue.js",
  62                                 "src/attributes.js",
  63                                 "src/event.js",
  64                                 "src/selector.js",
  65                                 "src/traversing.js",
  66                                 "src/manipulation.js",
  67
  68                                 { flag: "deprecated", src: "src/deprecated.js" },
  69                                 { flag: "css", src: "src/css.js" },
  70                                 "src/serialize.js",
  71                                 { flag: "ajax", src: "src/ajax.js" },
  72                                 { flag: "ajax/jsonp", src: "src/ajax/jsonp.js", needs: [ "ajax", "ajax/script" ]  },
  73                                 { flag: "ajax/script", src: "src/ajax/script.js", needs: ["ajax"]  },
  74                                 { flag: "ajax/xhr", src: "src/ajax/xhr.js", needs: ["ajax"]  },
  75                                 { flag: "effects", src: "src/effects.js", needs: ["css"] },
  76                                 { flag: "offset", src: "src/offset.js", needs: ["css"] },
  77                                 { flag: "dimensions", src: "src/dimensions.js", needs: ["css"] },
  78
  79                                 "src/exports.js",
  80                                 "src/outro.js"
  81                         ]
  82                 },
  83                 min: {
  84                         "dist/jquery.min.js": [ "<banner>", "dist/jquery.js" ]
  85                 },
  86
  87                 lint: {
  88                         dist: "dist/jquery.js",
  89                         grunt: "grunt.js",
  90                         tests: "test/unit/**/*.js"
  91                 },
  92
  93                 jshint: (function() {
  94                         function jshintrc( path ) {
  95                                 return readOptionalJSON( (path || "") + ".jshintrc" ) || {};
  96                         }
  97
  98                         return {
  99                                 options: jshintrc(),
 100                                 dist: jshintrc( "src/" ),
 101                                 tests: jshintrc( "test/" )
 102                         };
 103                 })(),
 104
 105                 qunit: {
 106                         files: "test/index.html"
 107                 },
 108                 watch: {
 109                         files: [
 110                                 "<config:lint.dist>", "<config:lint.grunt>", "<config:lint.tests>",
 111                                 "src/**/*.js"
 112                         ],
 113                         tasks: "dev"
 114                 },
 115                 uglify: {}
 116         });
 117
 118         // Default grunt.
 119         grunt.registerTask( "default", "submodules selector build:*:* lint min dist:* compare_size" );
 120
 121         // Short list as a high frequency watch task
 122         grunt.registerTask( "dev", "selector build:*:* lint" );
 123
 124         // Load the "compare_size" task from NPM packages
 125         grunt.loadNpmTasks( "grunt-compare-size" );
 126
 127         grunt.registerTask( "testswarm", function( commit, configFile ) {
 128                 var testswarm = require( "testswarm" ),
 129                         testUrls = [],
 130                         config = grunt.file.readJSON( configFile ).jquery,
 131                         tests = "ajax attributes callbacks core css data deferred dimensions effects event manipulation offset queue serialize support traversing Sizzle".split(" ");
 132
 133                 tests.forEach(function( test ) {
 134                         testUrls.push( config.testUrl + commit + "/test/index.html?module=" + test );
 135                 });
 136
 137                 testswarm({
 138                         url: config.swarmUrl,
 139                         pollInterval: 10000,
 140                         timeout: 1000 * 60 * 30,
 141                         done: this.async()
 142                 }, {
 143                         authUsername: config.authUsername,
 144                         authToken: config.authToken,
 145                         jobName: 'jQuery commit #<a href="https://github.com/jquery/jquery/commit/' + commit + '">' + commit.substr( 0, 10 ) + '</a>',
 146                         runMax: config.runMax,
 147                         "runNames[]": tests,
 148                         "runUrls[]": testUrls,
 149                         "browserSets[]": ["popular"]
 150                 });
 151         });
 152
 153         // Build src/selector.js
 154         grunt.registerMultiTask( "selector", "Build src/selector.js", function() {
 155
 156                 var name = this.file.dest,
 157                                 files = this.file.src,
 158                                 sizzle = {
 159                                         api: file.read( files[0] ),
 160                                         src: file.read( files[1] )
 161                                 },
 162                                 compiled, parts;
 163
 164                 /**
 165
 166                         sizzle-jquery.js -> sizzle between "EXPOSE" blocks,
 167                         replace define & window.Sizzle assignment
 168
 169
 170                         // EXPOSE
 171                         if ( typeof define === "function" && define.amd ) {
 172                                 define(function() { return Sizzle; });
 173                         } else {
 174                                 window.Sizzle = Sizzle;
 175                         }
 176                         // EXPOSE
 177
 178                         Becomes...
 179
 180                         Sizzle.attr = jQuery.attr;
 181                         jQuery.find = Sizzle;
 182                         jQuery.expr = Sizzle.selectors;
 183                         jQuery.expr[":"] = jQuery.expr.pseudos;
 184                         jQuery.unique = Sizzle.uniqueSort;
 185                         jQuery.text = Sizzle.getText;
 186                         jQuery.isXMLDoc = Sizzle.isXML;
 187                         jQuery.contains = Sizzle.contains;
 188
 189                  */
 190
 191                 // Break into 3 pieces
 192                 parts = sizzle.src.split("// EXPOSE");
 193                 // Replace the if/else block with api
 194                 parts[1] = sizzle.api;
 195                 // Rejoin the pieces
 196                 compiled = parts.join("");
 197
 198
 199                 verbose.write("Injected sizzle-jquery.js into sizzle.js");
 200
 201                 // Write concatenated source to file
 202                 file.write( name, compiled );
 203
 204                 // Fail task if errors were logged.
 205                 if ( this.errorCount ) {
 206                         return false;
 207                 }
 208
 209                 // Otherwise, print a success message.
 210                 log.writeln( "File '" + name + "' created." );
 211         });
 212
 213
 214         // Special "alias" task to make custom build creation less grawlix-y
 215         grunt.registerTask( "custom", function() {
 216                 var done = this.async(),
 217                                 args = [].slice.call(arguments),
 218                                 modules = args.length ? args[0].replace(/,/g, ":") : "";
 219
 220
 221                 // Translation example
 222                 //
 223                 //   grunt custom:+ajax,-dimensions,-effects,-offset
 224                 //
 225                 // Becomes:
 226                 //
 227                 //   grunt build:*:*:-ajax:-dimensions:-effects:-offset
 228
 229                 grunt.log.writeln( "Creating custom build...\n" );
 230
 231                 grunt.utils.spawn({
 232                         cmd: "grunt",
 233                         args: [ "build:*:*:" + modules, "min" ]
 234                 }, function( err, result ) {
 235                         if ( err ) {
 236                                 grunt.verbose.error();
 237                                 done( err );
 238                                 return;
 239                         }
 240
 241                         grunt.log.writeln( result.replace("Done, without errors.", "") );
 242
 243                         done();
 244                 });
 245         });
 246
 247         // Special concat/build task to handle various jQuery build requirements
 248         //
 249         grunt.registerMultiTask(
 250                 "build",
 251                 "Concatenate source (include/exclude modules with +/- flags), embed date/version",
 252                 function() {
 253                         // Concat specified files.
 254                         var i,
 255                                 compiled = "",
 256                                 modules = this.flags,
 257                                 explicit = Object.keys(modules).length > 1,
 258                                 optIn = !modules["*"],
 259                                 name = this.file.dest,
 260                                 excluded = {},
 261                                 version = config( "pkg.version" ),
 262                                 excluder = function( flag, needsFlag ) {
 263                                         // explicit > implicit, so set this first and let it be overridden by explicit
 264                                         if ( optIn && !modules[ flag ] && !modules[ "+" + flag ] ) {
 265                                                 excluded[ flag ] = false;
 266                                         }
 267
 268                                         if ( excluded[ needsFlag ] || modules[ "-" + flag ] ) {
 269                                                 // explicit exclusion from flag or dependency
 270                                                 excluded[ flag ] = true;
 271                                         } else if ( modules[ "+" + flag ] && ( excluded[ needsFlag ] === false ) ) {
 272                                                 // explicit inclusion from flag or dependency overriding a weak inclusion
 273                                                 delete excluded[ needsFlag ];
 274                                         }
 275                                 };
 276
 277                         // append commit id to version
 278                         if ( process.env.COMMIT ) {
 279                                 version += " " + process.env.COMMIT;
 280                         }
 281
 282                         // figure out which files to exclude based on these rules in this order:
 283                         //  explicit > implicit (explicit also means a dependency/dependent that was explicit)
 284                         //  exclude > include
 285                         // examples:
 286                         //  *:                 none (implicit exclude)
 287                         //  *:*                all (implicit include)
 288                         //  *:*:-effects       all except effects (explicit > implicit)
 289                         //  *:*:-css           all except css and its deps (explicit)
 290                         //  *:*:-css:+effects  all except css and its deps (explicit exclude from dep. trumps explicit include)
 291                         //  *:+effects         none except effects and its deps (explicit include from dep. trumps implicit exclude)
 292                         this.file.src.forEach(function( filepath ) {
 293                                 var flag = filepath.flag;
 294
 295                                 if ( flag ) {
 296
 297                                         excluder(flag);
 298
 299                                         // check for dependencies
 300                                         if ( filepath.needs ) {
 301                                                 filepath.needs.forEach(function( needsFlag ) {
 302                                                         excluder( flag, needsFlag );
 303                                                 });
 304                                         }
 305                                 }
 306                         });
 307
 308                         // append excluded modules to version
 309                         if ( Object.keys( excluded ).length ) {
 310                                 version += " -" + Object.keys( excluded ).join( ",-" );
 311                                 // set pkg.version to version with excludes, so minified file picks it up
 312                                 grunt.config.set( "pkg.version", version );
 313                         }
 314
 315
 316                         // conditionally concatenate source
 317                         this.file.src.forEach(function( filepath ) {
 318                                 var flag = filepath.flag,
 319                                                 specified = false,
 320                                                 omit = false,
 321                                                 message = "";
 322
 323                                 if ( flag ) {
 324                                         if ( excluded[ flag ] !== undefined ) {
 325                                                 message = ( "Excluding " + flag ).red;
 326                                                 specified = true;
 327                                                 omit = true;
 328                                         } else {
 329                                                 message = ( "Including " + flag ).green;
 330
 331                                                 // If this module was actually specified by the
 332                                                 // builder, then st the flag to include it in the
 333                                                 // output list
 334                                                 if ( modules[ "+" + flag ] ) {
 335                                                         specified = true;
 336                                                 }
 337                                         }
 338
 339                                         // Only display the inclusion/exclusion list when handling
 340                                         // an explicit list.
 341                                         //
 342                                         // Additionally, only display modules that have been specified
 343                                         // by the user
 344                                         if ( explicit && specified ) {
 345                                                 grunt.log.writetableln([ 27, 30 ], [
 346                                                         message,
 347                                                         ( "(" + filepath.src + ")").grey
 348                                                 ]);
 349                                         }
 350
 351                                         filepath = filepath.src;
 352                                 }
 353
 354                                 if ( !omit ) {
 355                                         compiled += file.read( filepath );
 356                                 }
 357                         });
 358
 359                         // Embed Date
 360                         // Embed Version
 361                         compiled = compiled.replace( "@DATE", new Date() )
 362                                 .replace( /@VERSION/g, version );
 363
 364                         // Write concatenated source to file
 365                         file.write( name, compiled );
 366
 367                         // Fail task if errors were logged.
 368                         if ( this.errorCount ) {
 369                                 return false;
 370                         }
 371
 372                         // Otherwise, print a success message.
 373                         log.writeln( "File '" + name + "' created." );
 374                 });
 375
 376         grunt.registerTask( "submodules", function() {
 377                 var done = this.async();
 378
 379                 grunt.verbose.write( "Updating submodules..." );
 380
 381                 // TODO: migrate remaining `make` to grunt tasks
 382                 //
 383                 grunt.utils.spawn({
 384                         cmd: "make"
 385                 }, function( err, result ) {
 386                         if ( err ) {
 387                                 grunt.verbose.error();
 388                                 done( err );
 389                                 return;
 390                         }
 391
 392                         grunt.log.writeln( result );
 393
 394                         done();
 395                 });
 396         });
 397
 398         // Allow custom dist file locations
 399         grunt.registerTask( "dist", function() {
 400                 var flags, paths, stored;
 401
 402                 // Check for stored destination paths
 403                 // ( set in dist/.destination.json )
 404                 stored = Object.keys( config("dst") );
 405
 406                 // Allow command line input as well
 407                 flags = Object.keys( this.flags );
 408
 409                 // Combine all output target paths
 410                 paths = [].concat( stored, flags ).filter(function( path ) {
 411                         return path !== "*";
 412                 });
 413
 414
 415                 // Proceed only if there are actual
 416                 // paths to write to
 417                 if ( paths.length ) {
 418
 419                         // 'distpaths' is declared at the top of the
 420                         // module.exports function scope. It is an array
 421                         // of default files that jQuery creates
 422                         distpaths.forEach(function( filename ) {
 423                                 paths.forEach(function( path ) {
 424                                         var created;
 425
 426                                         if ( !/\/$/.test( path ) ) {
 427                                                 path += "/";
 428                                         }
 429
 430                                         created = path + filename.replace( "dist/", "" );
 431
 432                                         if ( !/^\//.test( path ) ) {
 433                                                 log.error( "File '" + created + "' was NOT created." );
 434                                                 return;
 435                                         }
 436
 437                                         file.write( created, file.read(filename) );
 438
 439                                         log.writeln( "File '" + created + "' created." );
 440                                 });
 441                         });
 442                 }
 443         });
 444 };