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node_modules/jquery/src/attributes/classes.js
| 186 lines
| 4.3 KiB
| application/javascript
| JavascriptLexer
|
| r789 | define( [ | |||
| "../core", | ||||
| "../core/stripAndCollapse", | ||||
| "../var/isFunction", | ||||
| "../var/rnothtmlwhite", | ||||
| "../data/var/dataPriv", | ||||
| "../core/init" | ||||
| ], function( jQuery, stripAndCollapse, isFunction, rnothtmlwhite, dataPriv ) { | ||||
| "use strict"; | ||||
| function getClass( elem ) { | ||||
| return elem.getAttribute && elem.getAttribute( "class" ) || ""; | ||||
| } | ||||
| function classesToArray( value ) { | ||||
| if ( Array.isArray( value ) ) { | ||||
| return value; | ||||
| } | ||||
| if ( typeof value === "string" ) { | ||||
| return value.match( rnothtmlwhite ) || []; | ||||
| } | ||||
| return []; | ||||
| } | ||||
| jQuery.fn.extend( { | ||||
| addClass: function( value ) { | ||||
| var classes, elem, cur, curValue, clazz, j, finalValue, | ||||
| i = 0; | ||||
| if ( isFunction( value ) ) { | ||||
| return this.each( function( j ) { | ||||
| jQuery( this ).addClass( value.call( this, j, getClass( this ) ) ); | ||||
| } ); | ||||
| } | ||||
| classes = classesToArray( value ); | ||||
| if ( classes.length ) { | ||||
| while ( ( elem = this[ i++ ] ) ) { | ||||
| curValue = getClass( elem ); | ||||
| cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " ); | ||||
| if ( cur ) { | ||||
| j = 0; | ||||
| while ( ( clazz = classes[ j++ ] ) ) { | ||||
| if ( cur.indexOf( " " + clazz + " " ) < 0 ) { | ||||
| cur += clazz + " "; | ||||
| } | ||||
| } | ||||
| // Only assign if different to avoid unneeded rendering. | ||||
| finalValue = stripAndCollapse( cur ); | ||||
| if ( curValue !== finalValue ) { | ||||
| elem.setAttribute( "class", finalValue ); | ||||
| } | ||||
| } | ||||
| } | ||||
| } | ||||
| return this; | ||||
| }, | ||||
| removeClass: function( value ) { | ||||
| var classes, elem, cur, curValue, clazz, j, finalValue, | ||||
| i = 0; | ||||
| if ( isFunction( value ) ) { | ||||
| return this.each( function( j ) { | ||||
| jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) ); | ||||
| } ); | ||||
| } | ||||
| if ( !arguments.length ) { | ||||
| return this.attr( "class", "" ); | ||||
| } | ||||
| classes = classesToArray( value ); | ||||
| if ( classes.length ) { | ||||
| while ( ( elem = this[ i++ ] ) ) { | ||||
| curValue = getClass( elem ); | ||||
| // This expression is here for better compressibility (see addClass) | ||||
| cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " ); | ||||
| if ( cur ) { | ||||
| j = 0; | ||||
| while ( ( clazz = classes[ j++ ] ) ) { | ||||
| // Remove *all* instances | ||||
| while ( cur.indexOf( " " + clazz + " " ) > -1 ) { | ||||
| cur = cur.replace( " " + clazz + " ", " " ); | ||||
| } | ||||
| } | ||||
| // Only assign if different to avoid unneeded rendering. | ||||
| finalValue = stripAndCollapse( cur ); | ||||
| if ( curValue !== finalValue ) { | ||||
| elem.setAttribute( "class", finalValue ); | ||||
| } | ||||
| } | ||||
| } | ||||
| } | ||||
| return this; | ||||
| }, | ||||
| toggleClass: function( value, stateVal ) { | ||||
| var type = typeof value, | ||||
| isValidValue = type === "string" || Array.isArray( value ); | ||||
| if ( typeof stateVal === "boolean" && isValidValue ) { | ||||
| return stateVal ? this.addClass( value ) : this.removeClass( value ); | ||||
| } | ||||
| if ( isFunction( value ) ) { | ||||
| return this.each( function( i ) { | ||||
| jQuery( this ).toggleClass( | ||||
| value.call( this, i, getClass( this ), stateVal ), | ||||
| stateVal | ||||
| ); | ||||
| } ); | ||||
| } | ||||
| return this.each( function() { | ||||
| var className, i, self, classNames; | ||||
| if ( isValidValue ) { | ||||
| // Toggle individual class names | ||||
| i = 0; | ||||
| self = jQuery( this ); | ||||
| classNames = classesToArray( value ); | ||||
| while ( ( className = classNames[ i++ ] ) ) { | ||||
| // Check each className given, space separated list | ||||
| if ( self.hasClass( className ) ) { | ||||
| self.removeClass( className ); | ||||
| } else { | ||||
| self.addClass( className ); | ||||
| } | ||||
| } | ||||
| // Toggle whole class name | ||||
| } else if ( value === undefined || type === "boolean" ) { | ||||
| className = getClass( this ); | ||||
| if ( className ) { | ||||
| // Store className if set | ||||
| dataPriv.set( this, "__className__", className ); | ||||
| } | ||||
| // If the element has a class name or if we're passed `false`, | ||||
| // then remove the whole classname (if there was one, the above saved it). | ||||
| // Otherwise bring back whatever was previously saved (if anything), | ||||
| // falling back to the empty string if nothing was stored. | ||||
| if ( this.setAttribute ) { | ||||
| this.setAttribute( "class", | ||||
| className || value === false ? | ||||
| "" : | ||||
| dataPriv.get( this, "__className__" ) || "" | ||||
| ); | ||||
| } | ||||
| } | ||||
| } ); | ||||
| }, | ||||
| hasClass: function( selector ) { | ||||
| var className, elem, | ||||
| i = 0; | ||||
| className = " " + selector + " "; | ||||
| while ( ( elem = this[ i++ ] ) ) { | ||||
| if ( elem.nodeType === 1 && | ||||
| ( " " + stripAndCollapse( getClass( elem ) ) + " " ).indexOf( className ) > -1 ) { | ||||
| return true; | ||||
| } | ||||
| } | ||||
| return false; | ||||
| } | ||||
| } ); | ||||
| } ); | ||||