+++ /dev/null
-define( [
- "../core",
- "../var/rnotwhite",
- "./var/acceptData"
-], function( jQuery, rnotwhite, acceptData ) {
-
-function Data() {
- this.expando = jQuery.expando + Data.uid++;
-}
-
-Data.uid = 1;
-
-Data.prototype = {
-
- register: function( owner, initial ) {
- var value = initial || {};
-
- // If it is a node unlikely to be stringify-ed or looped over
- // use plain assignment
- if ( owner.nodeType ) {
- owner[ this.expando ] = value;
-
- // Otherwise secure it in a non-enumerable, non-writable property
- // configurability must be true to allow the property to be
- // deleted with the delete operator
- } else {
- Object.defineProperty( owner, this.expando, {
- value: value,
- writable: true,
- configurable: true
- } );
- }
- return owner[ this.expando ];
- },
- cache: function( owner ) {
-
- // We can accept data for non-element nodes in modern browsers,
- // but we should not, see #8335.
- // Always return an empty object.
- if ( !acceptData( owner ) ) {
- return {};
- }
-
- // Check if the owner object already has a cache
- var value = owner[ this.expando ];
-
- // If not, create one
- if ( !value ) {
- value = {};
-
- // We can accept data for non-element nodes in modern browsers,
- // but we should not, see #8335.
- // Always return an empty object.
- if ( acceptData( owner ) ) {
-
- // If it is a node unlikely to be stringify-ed or looped over
- // use plain assignment
- if ( owner.nodeType ) {
- owner[ this.expando ] = value;
-
- // Otherwise secure it in a non-enumerable property
- // configurable must be true to allow the property to be
- // deleted when data is removed
- } else {
- Object.defineProperty( owner, this.expando, {
- value: value,
- configurable: true
- } );
- }
- }
- }
-
- return value;
- },
- set: function( owner, data, value ) {
- var prop,
- cache = this.cache( owner );
-
- // Handle: [ owner, key, value ] args
- if ( typeof data === "string" ) {
- cache[ data ] = value;
-
- // Handle: [ owner, { properties } ] args
- } else {
-
- // Copy the properties one-by-one to the cache object
- for ( prop in data ) {
- cache[ prop ] = data[ prop ];
- }
- }
- return cache;
- },
- get: function( owner, key ) {
- return key === undefined ?
- this.cache( owner ) :
- owner[ this.expando ] && owner[ this.expando ][ key ];
- },
- access: function( owner, key, value ) {
- var stored;
-
- // In cases where either:
- //
- // 1. No key was specified
- // 2. A string key was specified, but no value provided
- //
- // Take the "read" path and allow the get method to determine
- // which value to return, respectively either:
- //
- // 1. The entire cache object
- // 2. The data stored at the key
- //
- if ( key === undefined ||
- ( ( key && typeof key === "string" ) && value === undefined ) ) {
-
- stored = this.get( owner, key );
-
- return stored !== undefined ?
- stored : this.get( owner, jQuery.camelCase( key ) );
- }
-
- // When the key is not a string, or both a key and value
- // are specified, set or extend (existing objects) with either:
- //
- // 1. An object of properties
- // 2. A key and value
- //
- this.set( owner, key, value );
-
- // Since the "set" path can have two possible entry points
- // return the expected data based on which path was taken[*]
- return value !== undefined ? value : key;
- },
- remove: function( owner, key ) {
- var i, name, camel,
- cache = owner[ this.expando ];
-
- if ( cache === undefined ) {
- return;
- }
-
- if ( key === undefined ) {
- this.register( owner );
-
- } else {
-
- // Support array or space separated string of keys
- if ( jQuery.isArray( key ) ) {
-
- // If "name" is an array of keys...
- // When data is initially created, via ("key", "val") signature,
- // keys will be converted to camelCase.
- // Since there is no way to tell _how_ a key was added, remove
- // both plain key and camelCase key. #12786
- // This will only penalize the array argument path.
- name = key.concat( key.map( jQuery.camelCase ) );
- } else {
- camel = jQuery.camelCase( key );
-
- // Try the string as a key before any manipulation
- if ( key in cache ) {
- name = [ key, camel ];
- } else {
-
- // If a key with the spaces exists, use it.
- // Otherwise, create an array by matching non-whitespace
- name = camel;
- name = name in cache ?
- [ name ] : ( name.match( rnotwhite ) || [] );
- }
- }
-
- i = name.length;
-
- while ( i-- ) {
- delete cache[ name[ i ] ];
- }
- }
-
- // Remove the expando if there's no more data
- if ( key === undefined || jQuery.isEmptyObject( cache ) ) {
-
- // Support: Chrome <= 35-45+
- // Webkit & Blink performance suffers when deleting properties
- // from DOM nodes, so set to undefined instead
- // https://code.google.com/p/chromium/issues/detail?id=378607
- if ( owner.nodeType ) {
- owner[ this.expando ] = undefined;
- } else {
- delete owner[ this.expando ];
- }
- }
- },
- hasData: function( owner ) {
- var cache = owner[ this.expando ];
- return cache !== undefined && !jQuery.isEmptyObject( cache );
- }
-};
-
-return Data;
-} );
Code Review / portal.git / blobdiff