access.js
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define( [
"../core",
"../core/toType",
"../var/isFunction"
], function( jQuery, toType, isFunction ) {
"use strict";
// Multifunctional method to get and set values of a collection
// The value/s can optionally be executed if it's a function
var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
var i = 0,
len = elems.length,
bulk = key == null;
// Sets many values
if ( toType( key ) === "object" ) {
chainable = true;
for ( i in key ) {
access( elems, fn, i, key[ i ], true, emptyGet, raw );
}
// Sets one value
} else if ( value !== undefined ) {
chainable = true;
if ( !isFunction( value ) ) {
raw = true;
}
if ( bulk ) {
// Bulk operations run against the entire set
if ( raw ) {
fn.call( elems, value );
fn = null;
// ...except when executing function values
} else {
bulk = fn;
fn = function( elem, _key, value ) {
return bulk.call( jQuery( elem ), value );
};
}
}
if ( fn ) {
for ( ; i < len; i++ ) {
fn(
elems[ i ], key, raw ?
value :
value.call( elems[ i ], i, fn( elems[ i ], key ) )
);
}
}
}
if ( chainable ) {
return elems;
}
// Gets
if ( bulk ) {
return fn.call( elems );
}
return len ? fn( elems[ 0 ], key ) : emptyGet;
};
return access;
} );