js/source/legacy/jquerymigrate.js

   1 /*!
   2  * jQuery Migrate - v1.2.1 - 2013-05-08
   3  * https://github.com/jquery/jquery-migrate
   4  * Copyright 2005, 2013 jQuery Foundation, Inc. and other contributors; Licensed MIT
   5  */
   6 (function( jQuery, window, undefined ) {
   7 // See http://bugs.jquery.com/ticket/13335
   8 // "use strict";
   9
  10
  11 var warnedAbout = {};
  12
  13 // List of warnings already given; public read only
  14 jQuery.migrateWarnings = [];
  15
  16 // Set to true to prevent console output; migrateWarnings still maintained
  17 // jQuery.migrateMute = false;
  18
  19 // Show a message on the console so devs know we're active
  20 if ( !jQuery.migrateMute && window.console && window.console.log ) {
  21         window.console.log("JQMIGRATE: Logging is active");
  22 }
  23
  24 // Set to false to disable traces that appear with warnings
  25 if ( jQuery.migrateTrace === undefined ) {
  26         jQuery.migrateTrace = true;
  27 }
  28
  29 // Forget any warnings we've already given; public
  30 jQuery.migrateReset = function() {
  31         warnedAbout = {};
  32         jQuery.migrateWarnings.length = 0;
  33 };
  34
  35 function migrateWarn( msg) {
  36         var console = window.console;
  37         if ( !warnedAbout[ msg ] ) {
  38                 warnedAbout[ msg ] = true;
  39                 jQuery.migrateWarnings.push( msg );
  40                 if ( console && console.warn && !jQuery.migrateMute ) {
  41                         console.warn( "JQMIGRATE: " + msg );
  42                         if ( jQuery.migrateTrace && console.trace ) {
  43                                 console.trace();
  44                         }
  45                 }
  46         }
  47 }
  48
  49 function migrateWarnProp( obj, prop, value, msg ) {
  50         if ( Object.defineProperty ) {
  51                 // On ES5 browsers (non-oldIE), warn if the code tries to get prop;
  52                 // allow property to be overwritten in case some other plugin wants it
  53                 try {
  54                         Object.defineProperty( obj, prop, {
  55                                 configurable: true,
  56                                 enumerable: true,
  57                                 get: function() {
  58                                         migrateWarn( msg );
  59                                         return value;
  60                                 },
  61                                 set: function( newValue ) {
  62                                         migrateWarn( msg );
  63                                         value = newValue;
  64                                 }
  65                         });
  66                         return;
  67                 } catch( err ) {
  68                         // IE8 is a dope about Object.defineProperty, can't warn there
  69                 }
  70         }
  71
  72         // Non-ES5 (or broken) browser; just set the property
  73         jQuery._definePropertyBroken = true;
  74         obj[ prop ] = value;
  75 }
  76
  77 if ( document.compatMode === "BackCompat" ) {
  78         // jQuery has never supported or tested Quirks Mode
  79         migrateWarn( "jQuery is not compatible with Quirks Mode" );
  80 }
  81
  82
  83 var attrFn = jQuery( "<input/>", { size: 1 } ).attr("size") && jQuery.attrFn,
  84         oldAttr = jQuery.attr,
  85         valueAttrGet = jQuery.attrHooks.value && jQuery.attrHooks.value.get ||
  86                 function() { return null; },
  87         valueAttrSet = jQuery.attrHooks.value && jQuery.attrHooks.value.set ||
  88                 function() { return undefined; },
  89         rnoType = /^(?:input|button)$/i,
  90         rnoAttrNodeType = /^[238]$/,
  91         rboolean = /^(?:autofocus|autoplay|async|checked|controls|defer|disabled|hidden|loop|multiple|open|readonly|required|scoped|selected)$/i,
  92         ruseDefault = /^(?:checked|selected)$/i;
  93
  94 // jQuery.attrFn
  95 migrateWarnProp( jQuery, "attrFn", attrFn || {}, "jQuery.attrFn is deprecated" );
  96
  97 jQuery.attr = function( elem, name, value, pass ) {
  98         var lowerName = name.toLowerCase(),
  99                 nType = elem && elem.nodeType;
 100
 101         if ( pass ) {
 102                 // Since pass is used internally, we only warn for new jQuery
 103                 // versions where there isn't a pass arg in the formal params
 104                 if ( oldAttr.length < 4 ) {
 105                         migrateWarn("jQuery.fn.attr( props, pass ) is deprecated");
 106                 }
 107                 if ( elem && !rnoAttrNodeType.test( nType ) &&
 108                         (attrFn ? name in attrFn : jQuery.isFunction(jQuery.fn[name])) ) {
 109                         return jQuery( elem )[ name ]( value );
 110                 }
 111         }
 112
 113         // Warn if user tries to set `type`, since it breaks on IE 6/7/8; by checking
 114         // for disconnected elements we don't warn on $( "<button>", { type: "button" } ).
 115         if ( name === "type" && value !== undefined && rnoType.test( elem.nodeName ) && elem.parentNode ) {
 116                 migrateWarn("Can't change the 'type' of an input or button in IE 6/7/8");
 117         }
 118
 119         // Restore boolHook for boolean property/attribute synchronization
 120         if ( !jQuery.attrHooks[ lowerName ] && rboolean.test( lowerName ) ) {
 121                 jQuery.attrHooks[ lowerName ] = {
 122                         get: function( elem, name ) {
 123                                 // Align boolean attributes with corresponding properties
 124                                 // Fall back to attribute presence where some booleans are not supported
 125                                 var attrNode,
 126                                         property = jQuery.prop( elem, name );
 127                                 return property === true || typeof property !== "boolean" &&
 128                                         ( attrNode = elem.getAttributeNode(name) ) && attrNode.nodeValue !== false ?
 129
 130                                         name.toLowerCase() :
 131                                         undefined;
 132                         },
 133                         set: function( elem, value, name ) {
 134                                 var propName;
 135                                 if ( value === false ) {
 136                                         // Remove boolean attributes when set to false
 137                                         jQuery.removeAttr( elem, name );
 138                                 } else {
 139                                         // value is true since we know at this point it's type boolean and not false
 140                                         // Set boolean attributes to the same name and set the DOM property
 141                                         propName = jQuery.propFix[ name ] || name;
 142                                         if ( propName in elem ) {
 143                                                 // Only set the IDL specifically if it already exists on the element
 144                                                 elem[ propName ] = true;
 145                                         }
 146
 147                                         elem.setAttribute( name, name.toLowerCase() );
 148                                 }
 149                                 return name;
 150                         }
 151                 };
 152
 153                 // Warn only for attributes that can remain distinct from their properties post-1.9
 154                 if ( ruseDefault.test( lowerName ) ) {
 155                         migrateWarn( "jQuery.fn.attr('" + lowerName + "') may use property instead of attribute" );
 156                 }
 157         }
 158
 159         return oldAttr.call( jQuery, elem, name, value );
 160 };
 161
 162 // attrHooks: value
 163 jQuery.attrHooks.value = {
 164         get: function( elem, name ) {
 165                 var nodeName = ( elem.nodeName || "" ).toLowerCase();
 166                 if ( nodeName === "button" ) {
 167                         return valueAttrGet.apply( this, arguments );
 168                 }
 169                 if ( nodeName !== "input" && nodeName !== "option" ) {
 170                         migrateWarn("jQuery.fn.attr('value') no longer gets properties");
 171                 }
 172                 return name in elem ?
 173                         elem.value :
 174                         null;
 175         },
 176         set: function( elem, value ) {
 177                 var nodeName = ( elem.nodeName || "" ).toLowerCase();
 178                 if ( nodeName === "button" ) {
 179                         return valueAttrSet.apply( this, arguments );
 180                 }
 181                 if ( nodeName !== "input" && nodeName !== "option" ) {
 182                         migrateWarn("jQuery.fn.attr('value', val) no longer sets properties");
 183                 }
 184                 // Does not return so that setAttribute is also used
 185                 elem.value = value;
 186         }
 187 };
 188
 189
 190 var matched, browser,
 191         oldInit = jQuery.fn.init,
 192         oldParseJSON = jQuery.parseJSON,
 193         // Note: XSS check is done below after string is trimmed
 194         rquickExpr = /^([^<]*)(<[\w\W]+>)([^>]*)$/;
 195
 196 // $(html) "looks like html" rule change
 197 jQuery.fn.init = function( selector, context, rootjQuery ) {
 198         var match;
 199
 200         if ( selector && typeof selector === "string" && !jQuery.isPlainObject( context ) &&
 201                         (match = rquickExpr.exec( jQuery.trim( selector ) )) && match[ 0 ] ) {
 202                 // This is an HTML string according to the "old" rules; is it still?
 203                 if ( selector.charAt( 0 ) !== "<" ) {
 204                         migrateWarn("$(html) HTML strings must start with '<' character");
 205                 }
 206                 if ( match[ 3 ] ) {
 207                         migrateWarn("$(html) HTML text after last tag is ignored");
 208                 }
 209                 // Consistently reject any HTML-like string starting with a hash (#9521)
 210                 // Note that this may break jQuery 1.6.x code that otherwise would work.
 211                 if ( match[ 0 ].charAt( 0 ) === "#" ) {
 212                         migrateWarn("HTML string cannot start with a '#' character");
 213                         jQuery.error("JQMIGRATE: Invalid selector string (XSS)");
 214                 }
 215                 // Now process using loose rules; let pre-1.8 play too
 216                 if ( context && context.context ) {
 217                         // jQuery object as context; parseHTML expects a DOM object
 218                         context = context.context;
 219                 }
 220                 if ( jQuery.parseHTML ) {
 221                         return oldInit.call( this, jQuery.parseHTML( match[ 2 ], context, true ),
 222                                         context, rootjQuery );
 223                 }
 224         }
 225         return oldInit.apply( this, arguments );
 226 };
 227 jQuery.fn.init.prototype = jQuery.fn;
 228
 229 // Let $.parseJSON(falsy_value) return null
 230 jQuery.parseJSON = function( json ) {
 231         if ( !json && json !== null ) {
 232                 migrateWarn("jQuery.parseJSON requires a valid JSON string");
 233                 return null;
 234         }
 235         return oldParseJSON.apply( this, arguments );
 236 };
 237
 238 jQuery.uaMatch = function( ua ) {
 239         ua = ua.toLowerCase();
 240
 241         var match = /(chrome)[ \/]([\w.]+)/.exec( ua ) ||
 242                 /(webkit)[ \/]([\w.]+)/.exec( ua ) ||
 243                 /(opera)(?:.*version|)[ \/]([\w.]+)/.exec( ua ) ||
 244                 /(msie) ([\w.]+)/.exec( ua ) ||
 245                 ua.indexOf("compatible") < 0 && /(mozilla)(?:.*? rv:([\w.]+)|)/.exec( ua ) ||
 246                 [];
 247
 248         return {
 249                 browser: match[ 1 ] || "",
 250                 version: match[ 2 ] || "0"
 251         };
 252 };
 253
 254 // Don't clobber any existing jQuery.browser in case it's different
 255 if ( !jQuery.browser ) {
 256         matched = jQuery.uaMatch( navigator.userAgent );
 257         browser = {};
 258
 259         if ( matched.browser ) {
 260                 browser[ matched.browser ] = true;
 261                 browser.version = matched.version;
 262         }
 263
 264         // Chrome is Webkit, but Webkit is also Safari.
 265         if ( browser.chrome ) {
 266                 browser.webkit = true;
 267         } else if ( browser.webkit ) {
 268                 browser.safari = true;
 269         }
 270
 271         jQuery.browser = browser;
 272 }
 273
 274 // Warn if the code tries to get jQuery.browser
 275 migrateWarnProp( jQuery, "browser", jQuery.browser, "jQuery.browser is deprecated" );
 276
 277 jQuery.sub = function() {
 278         function jQuerySub( selector, context ) {
 279                 return new jQuerySub.fn.init( selector, context );
 280         }
 281         jQuery.extend( true, jQuerySub, this );
 282         jQuerySub.superclass = this;
 283         jQuerySub.fn = jQuerySub.prototype = this();
 284         jQuerySub.fn.constructor = jQuerySub;
 285         jQuerySub.sub = this.sub;
 286         jQuerySub.fn.init = function init( selector, context ) {
 287                 if ( context && context instanceof jQuery && !(context instanceof jQuerySub) ) {
 288                         context = jQuerySub( context );
 289                 }
 290
 291                 return jQuery.fn.init.call( this, selector, context, rootjQuerySub );
 292         };
 293         jQuerySub.fn.init.prototype = jQuerySub.fn;
 294         var rootjQuerySub = jQuerySub(document);
 295         migrateWarn( "jQuery.sub() is deprecated" );
 296         return jQuerySub;
 297 };
 298
 299
 300 // Ensure that $.ajax gets the new parseJSON defined in core.js
 301 jQuery.ajaxSetup({
 302         converters: {
 303                 "text json": jQuery.parseJSON
 304         }
 305 });
 306
 307
 308 var oldFnData = jQuery.fn.data;
 309
 310 jQuery.fn.data = function( name ) {
 311         var ret, evt,
 312                 elem = this[0];
 313
 314         // Handles 1.7 which has this behavior and 1.8 which doesn't
 315         if ( elem && name === "events" && arguments.length === 1 ) {
 316                 ret = jQuery.data( elem, name );
 317                 evt = jQuery._data( elem, name );
 318                 if ( ( ret === undefined || ret === evt ) && evt !== undefined ) {
 319                         migrateWarn("Use of jQuery.fn.data('events') is deprecated");
 320                         return evt;
 321                 }
 322         }
 323         return oldFnData.apply( this, arguments );
 324 };
 325
 326
 327 var rscriptType = /\/(java|ecma)script/i,
 328         oldSelf = jQuery.fn.andSelf || jQuery.fn.addBack;
 329
 330 jQuery.fn.andSelf = function() {
 331         migrateWarn("jQuery.fn.andSelf() replaced by jQuery.fn.addBack()");
 332         return oldSelf.apply( this, arguments );
 333 };
 334
 335 // Since jQuery.clean is used internally on older versions, we only shim if it's missing
 336 if ( !jQuery.clean ) {
 337         jQuery.clean = function( elems, context, fragment, scripts ) {
 338                 // Set context per 1.8 logic
 339                 context = context || document;
 340                 context = !context.nodeType && context[0] || context;
 341                 context = context.ownerDocument || context;
 342
 343                 migrateWarn("jQuery.clean() is deprecated");
 344
 345                 var i, elem, handleScript, jsTags,
 346                         ret = [];
 347
 348                 jQuery.merge( ret, jQuery.buildFragment( elems, context ).childNodes );
 349
 350                 // Complex logic lifted directly from jQuery 1.8
 351                 if ( fragment ) {
 352                         // Special handling of each script element
 353                         handleScript = function( elem ) {
 354                                 // Check if we consider it executable
 355                                 if ( !elem.type || rscriptType.test( elem.type ) ) {
 356                                         // Detach the script and store it in the scripts array (if provided) or the fragment
 357                                         // Return truthy to indicate that it has been handled
 358                                         return scripts ?
 359                                                 scripts.push( elem.parentNode ? elem.parentNode.removeChild( elem ) : elem ) :
 360                                                 fragment.appendChild( elem );
 361                                 }
 362                         };
 363
 364                         for ( i = 0; (elem = ret[i]) != null; i++ ) {
 365                                 // Check if we're done after handling an executable script
 366                                 if ( !( jQuery.nodeName( elem, "script" ) && handleScript( elem ) ) ) {
 367                                         // Append to fragment and handle embedded scripts
 368                                         fragment.appendChild( elem );
 369                                         if ( typeof elem.getElementsByTagName !== "undefined" ) {
 370                                                 // handleScript alters the DOM, so use jQuery.merge to ensure snapshot iteration
 371                                                 jsTags = jQuery.grep( jQuery.merge( [], elem.getElementsByTagName("script") ), handleScript );
 372
 373                                                 // Splice the scripts into ret after their former ancestor and advance our index beyond them
 374                                                 ret.splice.apply( ret, [i + 1, 0].concat( jsTags ) );
 375                                                 i += jsTags.length;
 376                                         }
 377                                 }
 378                         }
 379                 }
 380
 381                 return ret;
 382         };
 383 }
 384
 385 var eventAdd = jQuery.event.add,
 386         eventRemove = jQuery.event.remove,
 387         eventTrigger = jQuery.event.trigger,
 388         oldToggle = jQuery.fn.toggle,
 389         oldLive = jQuery.fn.live,
 390         oldDie = jQuery.fn.die,
 391         ajaxEvents = "ajaxStart|ajaxStop|ajaxSend|ajaxComplete|ajaxError|ajaxSuccess",
 392         rajaxEvent = new RegExp( "\\b(?:" + ajaxEvents + ")\\b" ),
 393         rhoverHack = /(?:^|\s)hover(\.\S+|)\b/,
 394         hoverHack = function( events ) {
 395                 if ( typeof( events ) !== "string" || jQuery.event.special.hover ) {
 396                         return events;
 397                 }
 398                 if ( rhoverHack.test( events ) ) {
 399                         migrateWarn("'hover' pseudo-event is deprecated, use 'mouseenter mouseleave'");
 400                 }
 401                 return events && events.replace( rhoverHack, "mouseenter$1 mouseleave$1" );
 402         };
 403
 404 // Event props removed in 1.9, put them back if needed; no practical way to warn them
 405 if ( jQuery.event.props && jQuery.event.props[ 0 ] !== "attrChange" ) {
 406         jQuery.event.props.unshift( "attrChange", "attrName", "relatedNode", "srcElement" );
 407 }
 408
 409 // Undocumented jQuery.event.handle was "deprecated" in jQuery 1.7
 410 if ( jQuery.event.dispatch ) {
 411         migrateWarnProp( jQuery.event, "handle", jQuery.event.dispatch, "jQuery.event.handle is undocumented and deprecated" );
 412 }
 413
 414 // Support for 'hover' pseudo-event and ajax event warnings
 415 jQuery.event.add = function( elem, types, handler, data, selector ){
 416         if ( elem !== document && rajaxEvent.test( types ) ) {
 417                 migrateWarn( "AJAX events should be attached to document: " + types );
 418         }
 419         eventAdd.call( this, elem, hoverHack( types || "" ), handler, data, selector );
 420 };
 421 jQuery.event.remove = function( elem, types, handler, selector, mappedTypes ){
 422         eventRemove.call( this, elem, hoverHack( types ) || "", handler, selector, mappedTypes );
 423 };
 424
 425 jQuery.fn.error = function() {
 426         var args = Array.prototype.slice.call( arguments, 0);
 427         migrateWarn("jQuery.fn.error() is deprecated");
 428         args.splice( 0, 0, "error" );
 429         if ( arguments.length ) {
 430                 return this.bind.apply( this, args );
 431         }
 432         // error event should not bubble to window, although it does pre-1.7
 433         this.triggerHandler.apply( this, args );
 434         return this;
 435 };
 436
 437 jQuery.fn.toggle = function( fn, fn2 ) {
 438
 439         // Don't mess with animation or css toggles
 440         if ( !jQuery.isFunction( fn ) || !jQuery.isFunction( fn2 ) ) {
 441                 return oldToggle.apply( this, arguments );
 442         }
 443         migrateWarn("jQuery.fn.toggle(handler, handler...) is deprecated");
 444
 445         // Save reference to arguments for access in closure
 446         var args = arguments,
 447                 guid = fn.guid || jQuery.guid++,
 448                 i = 0,
 449                 toggler = function( event ) {
 450                         // Figure out which function to execute
 451                         var lastToggle = ( jQuery._data( this, "lastToggle" + fn.guid ) || 0 ) % i;
 452                         jQuery._data( this, "lastToggle" + fn.guid, lastToggle + 1 );
 453
 454                         // Make sure that clicks stop
 455                         event.preventDefault();
 456
 457                         // and execute the function
 458                         return args[ lastToggle ].apply( this, arguments ) || false;
 459                 };
 460
 461         // link all the functions, so any of them can unbind this click handler
 462         toggler.guid = guid;
 463         while ( i < args.length ) {
 464                 args[ i++ ].guid = guid;
 465         }
 466
 467         return this.click( toggler );
 468 };
 469
 470 jQuery.fn.live = function( types, data, fn ) {
 471         migrateWarn("jQuery.fn.live() is deprecated");
 472         if ( oldLive ) {
 473                 return oldLive.apply( this, arguments );
 474         }
 475         jQuery( this.context ).on( types, this.selector, data, fn );
 476         return this;
 477 };
 478
 479 jQuery.fn.die = function( types, fn ) {
 480         migrateWarn("jQuery.fn.die() is deprecated");
 481         if ( oldDie ) {
 482                 return oldDie.apply( this, arguments );
 483         }
 484         jQuery( this.context ).off( types, this.selector || "**", fn );
 485         return this;
 486 };
 487
 488 // Turn global events into document-triggered events
 489 jQuery.event.trigger = function( event, data, elem, onlyHandlers  ){
 490         if ( !elem && !rajaxEvent.test( event ) ) {
 491                 migrateWarn( "Global events are undocumented and deprecated" );
 492         }
 493         return eventTrigger.call( this,  event, data, elem || document, onlyHandlers  );
 494 };
 495 jQuery.each( ajaxEvents.split("|"),
 496         function( _, name ) {
 497                 jQuery.event.special[ name ] = {
 498                         setup: function() {
 499                                 var elem = this;
 500
 501                                 // The document needs no shimming; must be !== for oldIE
 502                                 if ( elem !== document ) {
 503                                         jQuery.event.add( document, name + "." + jQuery.guid, function() {
 504                                                 jQuery.event.trigger( name, null, elem, true );
 505                                         });
 506                                         jQuery._data( this, name, jQuery.guid++ );
 507                                 }
 508                                 return false;
 509                         },
 510                         teardown: function() {
 511                                 if ( this !== document ) {
 512                                         jQuery.event.remove( document, name + "." + jQuery._data( this, name ) );
 513                                 }
 514                                 return false;
 515                         }
 516                 };
 517         }
 518 );
 519
 520
 521 })( jQuery, window );