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Finally squared away the latest pushStack revisions and $()[] code. jQuery is now an array! and it's non-destructive, if you want it to be!

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This commit is contained in:
John Resig 2006-07-06 19:59:16 +00:00
parent 7f1c69041d
commit 586e36867b
1 changed files with 67 additions and 40 deletions
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107
jquery/jquery.js vendored
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@ -51,12 +51,16 @@ function jQuery(a,c) {
return new jQuery(a,c);
// Watch for when an array is passed in
if ( a.constructor == Array )
this.pushStack( a.constructor == Array ?
// Assume that it's an array of DOM Elements
this.cur = a;
else
a :
// Find the matching elements and save them for later
this.cur = jQuery.Select( a, c );
jQuery.Select( a, c ) );
var fn = arguments[ arguments.length - 1 ];
if ( fn && fn.constructor == Function )
this.each(fn);
}
// Map over the $ in case of overwrite
@ -81,7 +85,7 @@ jQuery.fn = jQuery.prototype = {
* @type Number
*/
size: function() {
return this.get().length;
return this.length;
},
/**
@ -92,12 +96,22 @@ jQuery.fn = jQuery.prototype = {
* @type Array,DOMElement
*/
get: function(num) {
return num == undefined ? this.cur : this.cur[num];
if ( num && num.constructor == Array ) {
this.length = 0;
[].push.apply( this, num );
} else
return num == undefined ?
// Return a 'clean' array
$.map( this, function(a){ return a } ) :
// Return just the object
this[num];
},
each: function(f) {
for ( var i = 0; i < this.size(); i++ )
f.apply( this.get(i), [i] );
f.apply( this[i], [i] );
return this;
},
set: function(a,b) {
@ -111,14 +125,14 @@ jQuery.fn = jQuery.prototype = {
},
html: function(h) {
return h == undefined && this.size() ?
this.get(0).innerHTML : this.set( "innerHTML", h );
this[0].innerHTML : this.set( "innerHTML", h );
},
val: function(h) {
return h == undefined && this.size() ?
this.get(0).value : this.set( "value", h );
this[0].value : this.set( "value", h );
},
text: function(e) {
e = e || this.get();
e = e || this;
var t = "";
for ( var j = 0; j < e.length; j++ ) {
var r = e[j].childNodes;
@ -137,7 +151,7 @@ jQuery.fn = jQuery.prototype = {
jQuery.attr(this.style,j,a[j]);
else
jQuery.attr(this.style,a,b);
}) : jQuery.css( this.get(0), a );
}) : jQuery.css( this[0], a );
},
toggle: function() {
return this.each(function(){
@ -260,65 +274,73 @@ jQuery.fn = jQuery.prototype = {
return this.each(function(){jQuery.event.trigger(this,t);});
},
pushStack: function(a) {
if ( !this.stack ) this.stack = [];
this.stack.unshift( this.cur );
if ( a ) this.cur = a;
pushStack: function(a,args) {
var fn = args ? (args.constructor == Function ? args : args[args.length-1]) : function(){};
if ( !fn ) {
if ( !this.stack ) this.stack = [];
this.stack.push( this.get() );
this.get( a );
} else {
var old = this.get();
this.get( a );
if ( fn.constructor == Function )
return this.each( fn );
this.get( old );
}
return this;
},
end: function() {
this.get( this.stack.pop() );
return this;
},
find: function(t) {
var ret = [];
this.each(function(){
ret = jQuery.merge( ret, jQuery.Select(t,this) );
});
this.pushStack( ret );
return this;
},
end: function() {
this.cur = this.stack.shift();
return this;
return this.pushStack( $.map( this, function(a){
return jQuery.Select(t,a);
}), arguments );
},
parent: function(a) {
var ret = jQuery.map(this.cur,"a.parentNode");
var ret = jQuery.map(this,"a.parentNode");
if ( a ) ret = jQuery.filter(a,ret).r;
return this.pushStack(ret);
return this.pushStack( ret, arguments );
},
parents: function(a) {
var ret = jQuery.map(this.cur,jQuery.parents);
var ret = jQuery.map(this,jQuery.parents);
if ( a ) ret = jQuery.filter(a,ret).r;
return this.pushStack(ret);
return this.pushStack( ret, arguments );
},
siblings: function(a) {
// Incorrect, need to exclude current element
var ret = jQuery.map(this.cur,jQuery.sibling);
var ret = jQuery.map(this,jQuery.sibling);
if ( a ) ret = jQuery.filter(a,ret).r;
return this.pushStack(ret);
return this.pushStack( ret, arguments );
},
filter: function(t) {
if ( /,/.test(t) ) {
var p = t.split(/\s*,\s*/);
return this.pushStack( $.map(this.cur,function(a){
return this.pushStack( $.map(this,function(a){
for ( var i = 0; i < p.length; i++ )
if ( jQuery.filter(p[i],[a]).r.length )
return a;
}) );
}), arguments );
} else
return this.pushStack( jQuery.filter(t,this.cur).r );
return this.pushStack( jQuery.filter(t,this).r, arguments );
},
not: function(t) {
return this.pushStack( t.constructor == String ?
jQuery.filter(t,this.cur,false).r :
jQuery.grep(this.cur,function(a){ return a != t; }) );
jQuery.filter(t,this,false).r :
jQuery.grep(this,function(a){ return a != t; }), arguments );
},
add: function(t) {
return this.pushStack( jQuery.merge( this.cur, t.constructor == String ?
jQuery.Select(t) : t.constructor == Array ? t : [t] ) );
return this.pushStack( jQuery.merge( this, t.constructor == String ?
jQuery.Select(t) : t.constructor == Array ? t : [t] ), arguments );
},
/**
@ -331,7 +353,7 @@ jQuery.fn = jQuery.prototype = {
* @type Boolean
*/
is: function(expr) {
return jQuery.filter(expr,this.cur).r.length > 0;
return jQuery.filter(expr,this).r.length > 0;
},
/**
@ -550,6 +572,11 @@ jQuery.token = [
];
jQuery.Select = function( t, context ) {
// Make sure that the context is a DOM Element
if ( context && context.getElementsByTagName == undefined )
context = null;
// Set the correct context (if none is provided)
context = context || jQuery.context || document;
if ( t.constructor != String ) return [t];