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if(!dojo._hasResource["dojo._base.array"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojo._base.array"] = true;
dojo.require("dojo._base.lang");
dojo.provide("dojo._base.array");
(function(){
var _getParts = function(arr, obj, cb){
return [
dojo.isString(arr) ? arr.split("") : arr,
obj || dojo.global,
// FIXME: cache the anonymous functions we create here?
dojo.isString(cb) ? new Function("item", "index", "array", cb) : cb
];
};
dojo.mixin(dojo, {
indexOf: function( /*Array*/ array,
/*Object*/ value,
/*Integer?*/ fromIndex,
/*Boolean?*/ findLast){
// summary:
// locates the first index of the provided value in the
// passed array. If the value is not found, -1 is returned.
// description:
// For details on this method, see:
// <http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Reference:Global_Objects:Array:indexOf>
var step = 1, end = array.length || 0, i = 0;
if(findLast){
i = end - 1;
step = end = -1;
}
if(fromIndex != undefined){ i = fromIndex; }
if((findLast && i > end) || i < end){
for(; i != end; i += step){
if(array[i] == value){ return i; }
}
}
return -1; // Number
},
lastIndexOf: function(/*Array*/array, /*Object*/value, /*Integer?*/fromIndex){
// summary:
// locates the last index of the provided value in the passed array.
// If the value is not found, -1 is returned.
// description:
// For details on this method, see:
// <http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Reference:Global_Objects:Array:lastIndexOf>
return dojo.indexOf(array, value, fromIndex, true); // Number
},
forEach: function(/*Array|String*/arr, /*Function|String*/callback, /*Object?*/thisObject){
// summary:
// for every item in arr, callback is invoked. Return values are ignored.
// arr: the array to iterate on. If a string, operates on individual characters.
// callback: a function is invoked with three arguments: item, index, and array
// thisObject: may be used to scope the call to callback
// description:
// This function corresponds to the JavaScript 1.6 Array.forEach() method.
// In environments that support JavaScript 1.6, this function is a passthrough to the built-in method.
// For more details, see:
// <http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Reference:Global_Objects:Array:forEach>
// match the behavior of the built-in forEach WRT empty arrs
if(!arr || !arr.length){ return; }
// FIXME: there are several ways of handilng thisObject. Is
// dojo.global always the default context?
var _p = _getParts(arr, thisObject, callback); arr = _p[0];
for(var i=0,l=_p[0].length; i<l; i++){
_p[2].call(_p[1], arr[i], i, arr);
}
},
_everyOrSome: function(/*Boolean*/every, /*Array|String*/arr, /*Function|String*/callback, /*Object?*/thisObject){
var _p = _getParts(arr, thisObject, callback); arr = _p[0];
for(var i = 0, l = arr.length; i < l; i++){
var result = !!_p[2].call(_p[1], arr[i], i, arr);
if(every ^ result){
return result; // Boolean
}
}
return every; // Boolean
},
every: function(/*Array|String*/arr, /*Function|String*/callback, /*Object?*/thisObject){
// summary:
// Determines whether or not every item in arr satisfies the
// condition implemented by callback.
// arr: the array to iterate on. If a string, operates on individual characters.
// callback: a function is invoked with three arguments: item, index, and array and returns true
// if the condition is met.
// thisObject: may be used to scope the call to callback
// description:
// This function corresponds to the JavaScript 1.6 Array.every() method.
// In environments that support JavaScript 1.6, this function is a passthrough to the built-in method.
// For more details, see:
// <http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Reference:Global_Objects:Array:every>
// example:
// | dojo.every([1, 2, 3, 4], function(item){ return item>1; });
// returns false
// example:
// | dojo.every([1, 2, 3, 4], function(item){ return item>0; });
// returns true
return this._everyOrSome(true, arr, callback, thisObject); // Boolean
},
some: function(/*Array|String*/arr, /*Function|String*/callback, /*Object?*/thisObject){
// summary:
// Determines whether or not any item in arr satisfies the
// condition implemented by callback.
// arr: the array to iterate on. If a string, operates on individual characters.
// callback: a function is invoked with three arguments: item, index, and array and returns true
// if the condition is met.
// thisObject: may be used to scope the call to callback
// description:
// This function corresponds to the JavaScript 1.6 Array.some() method.
// In environments that support JavaScript 1.6, this function is a passthrough to the built-in method.
// For more details, see:
// <http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Reference:Global_Objects:Array:some>
// example:
// | dojo.some([1, 2, 3, 4], function(item){ return item>1; });
// returns true
// example:
// | dojo.some([1, 2, 3, 4], function(item){ return item<1; });
// returns false
return this._everyOrSome(false, arr, callback, thisObject); // Boolean
},
map: function(/*Array|String*/arr, /*Function|String*/callback, /*Function?*/thisObject){
// summary:
// applies callback to each element of arr and returns
// an Array with the results
// arr: the array to iterate on. If a string, operates on individual characters.
// callback: a function is invoked with three arguments: item, index, and array and returns a value
// thisObject: may be used to scope the call to callback
// description:
// This function corresponds to the JavaScript 1.6 Array.map() method.
// In environments that support JavaScript 1.6, this function is a passthrough to the built-in method.
// For more details, see:
// <http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Reference:Global_Objects:Array:map>
// example:
// | dojo.map([1, 2, 3, 4], function(item){ return item+1 });
// returns [2, 3, 4, 5]
var _p = _getParts(arr, thisObject, callback); arr = _p[0];
var outArr = (arguments[3] ? (new arguments[3]()) : []);
for(var i=0;i<arr.length;++i){
outArr.push(_p[2].call(_p[1], arr[i], i, arr));
}
return outArr; // Array
},
filter: function(/*Array*/arr, /*Function|String*/callback, /*Object?*/thisObject){
// summary:
// Returns a new Array with those items from arr that match the
// condition implemented by callback.
// arr: the array to iterate on. If a string, operates on individual characters.
// callback: a function is invoked with three arguments: item, index, and array and returns true
// if the condition is met.
// thisObject: may be used to scope the call to callback
// description:
// This function corresponds to the JavaScript 1.6 Array.filter() method.
// In environments that support JavaScript 1.6, this function is a passthrough to the built-in method.
// For more details, see:
// <http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Reference:Global_Objects:Array:filter>
// example:
// | dojo.filter([1, 2, 3, 4], function(item){ return item>1; });
// returns [2, 3, 4]
var _p = _getParts(arr, thisObject, callback); arr = _p[0];
var outArr = [];
for(var i = 0; i < arr.length; i++){
if(_p[2].call(_p[1], arr[i], i, arr)){
outArr.push(arr[i]);
}
}
return outArr; // Array
}
});
})();
}
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