--- /dev/null
+define("dojo/_base/array", ["./kernel", "../has", "./lang"], function(dojo, has, lang){
+ // module:
+ // dojo/_base/array
+ // summary:
+ // This module defines the Javascript v1.6 array extensions.
+
+ /*=====
+ dojo.indexOf = function(arr, value, fromIndex, findLast){
+ // summary:
+ // locates the first index of the provided value in the
+ // passed array. If the value is not found, -1 is returned.
+ // description:
+ // This method corresponds to the JavaScript 1.6 Array.indexOf method, with one difference: when
+ // run over sparse arrays, the Dojo function invokes the callback for every index whereas JavaScript
+ // 1.6's indexOf skips the holes in the sparse array.
+ // For details on this method, see:
+ // https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/indexOf
+ // arr: Array
+ // value: Object
+ // fromIndex: Integer?
+ // findLast: Boolean?
+ // returns: Number
+ };
+ dojo.lastIndexOf = function(arr, value, fromIndex){
+ // summary:
+ // locates the last index of the provided value in the passed
+ // array. If the value is not found, -1 is returned.
+ // description:
+ // This method corresponds to the JavaScript 1.6 Array.lastIndexOf method, with one difference: when
+ // run over sparse arrays, the Dojo function invokes the callback for every index whereas JavaScript
+ // 1.6's lastIndexOf skips the holes in the sparse array.
+ // For details on this method, see:
+ // https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/lastIndexOf
+ // arr: Array,
+ // value: Object,
+ // fromIndex: Integer?
+ // returns: Number
+ };
+ dojo.forEach = function(arr, callback, thisObject){
+ // summary:
+ // for every item in arr, callback is invoked. Return values are ignored.
+ // If you want to break out of the loop, consider using dojo.every() or dojo.some().
+ // forEach does not allow breaking out of the loop over the items in arr.
+ // arr:
+ // the array to iterate over. 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, with one difference: when
+ // run over sparse arrays, this implementation passes the "holes" in the sparse array to
+ // the callback function with a value of undefined. JavaScript 1.6's forEach skips the holes in the sparse array.
+ // For more details, see:
+ // https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/forEach
+ // example:
+ // | // log out all members of the array:
+ // | dojo.forEach(
+ // | [ "thinger", "blah", "howdy", 10 ],
+ // | function(item){
+ // | console.log(item);
+ // | }
+ // | );
+ // example:
+ // | // log out the members and their indexes
+ // | dojo.forEach(
+ // | [ "thinger", "blah", "howdy", 10 ],
+ // | function(item, idx, arr){
+ // | console.log(item, "at index:", idx);
+ // | }
+ // | );
+ // example:
+ // | // use a scoped object member as the callback
+ // |
+ // | var obj = {
+ // | prefix: "logged via obj.callback:",
+ // | callback: function(item){
+ // | console.log(this.prefix, item);
+ // | }
+ // | };
+ // |
+ // | // specifying the scope function executes the callback in that scope
+ // | dojo.forEach(
+ // | [ "thinger", "blah", "howdy", 10 ],
+ // | obj.callback,
+ // | obj
+ // | );
+ // |
+ // | // alternately, we can accomplish the same thing with dojo.hitch()
+ // | dojo.forEach(
+ // | [ "thinger", "blah", "howdy", 10 ],
+ // | dojo.hitch(obj, "callback")
+ // | );
+ // arr: Array|String
+ // callback: Function|String
+ // thisObject: Object?
+ };
+ dojo.every = function(arr, callback, thisObject){
+ // summary:
+ // Determines whether or not every item in arr satisfies the
+ // condition implemented by callback.
+ // arr: Array|String
+ // the array to iterate on. If a string, operates on individual characters.
+ // callback: Function|String
+ // a function is invoked with three arguments: item, index,
+ // and array and returns true if the condition is met.
+ // thisObject: Object?
+ // may be used to scope the call to callback
+ // returns: Boolean
+ // description:
+ // This function corresponds to the JavaScript 1.6 Array.every() method, with one difference: when
+ // run over sparse arrays, this implementation passes the "holes" in the sparse array to
+ // the callback function with a value of undefined. JavaScript 1.6's every skips the holes in the sparse array.
+ // For more details, see:
+ // https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/every
+ // example:
+ // | // returns false
+ // | dojo.every([1, 2, 3, 4], function(item){ return item>1; });
+ // example:
+ // | // returns true
+ // | dojo.every([1, 2, 3, 4], function(item){ return item>0; });
+ };
+ dojo.some = function(arr, callback, thisObject){
+ // summary:
+ // Determines whether or not any item in arr satisfies the
+ // condition implemented by callback.
+ // arr: Array|String
+ // the array to iterate over. If a string, operates on individual characters.
+ // callback: Function|String
+ // a function is invoked with three arguments: item, index,
+ // and array and returns true if the condition is met.
+ // thisObject: Object?
+ // may be used to scope the call to callback
+ // returns: Boolean
+ // description:
+ // This function corresponds to the JavaScript 1.6 Array.some() method, with one difference: when
+ // run over sparse arrays, this implementation passes the "holes" in the sparse array to
+ // the callback function with a value of undefined. JavaScript 1.6's some skips the holes in the sparse array.
+ // For more details, see:
+ // https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/some
+ // example:
+ // | // is true
+ // | dojo.some([1, 2, 3, 4], function(item){ return item>1; });
+ // example:
+ // | // is false
+ // | dojo.some([1, 2, 3, 4], function(item){ return item<1; });
+ };
+ dojo.map = function(arr, callback, thisObject){
+ // summary:
+ // applies callback to each element of arr and returns
+ // an Array with the results
+ // arr: Array|String
+ // the array to iterate on. If a string, operates on
+ // individual characters.
+ // callback: Function|String
+ // a function is invoked with three arguments, (item, index,
+ // array), and returns a value
+ // thisObject: Object?
+ // may be used to scope the call to callback
+ // returns: Array
+ // description:
+ // This function corresponds to the JavaScript 1.6 Array.map() method, with one difference: when
+ // run over sparse arrays, this implementation passes the "holes" in the sparse array to
+ // the callback function with a value of undefined. JavaScript 1.6's map skips the holes in the sparse array.
+ // For more details, see:
+ // https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/map
+ // example:
+ // | // returns [2, 3, 4, 5]
+ // | dojo.map([1, 2, 3, 4], function(item){ return item+1 });
+ };
+ dojo.filter = function(arr, callback, thisObject){
+ // summary:
+ // Returns a new Array with those items from arr that match the
+ // condition implemented by callback.
+ // arr: Array
+ // the array to iterate over.
+ // callback: Function|String
+ // a function that is invoked with three arguments (item,
+ // index, array). The return of this function is expected to
+ // be a boolean which determines whether the passed-in item
+ // will be included in the returned array.
+ // thisObject: Object?
+ // may be used to scope the call to callback
+ // returns: Array
+ // description:
+ // This function corresponds to the JavaScript 1.6 Array.filter() method, with one difference: when
+ // run over sparse arrays, this implementation passes the "holes" in the sparse array to
+ // the callback function with a value of undefined. JavaScript 1.6's filter skips the holes in the sparse array.
+ // For more details, see:
+ // https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/filter
+ // example:
+ // | // returns [2, 3, 4]
+ // | dojo.filter([1, 2, 3, 4], function(item){ return item>1; });
+ };
+ =====*/
+
+ // our old simple function builder stuff
+ var cache = {}, u, array; // the export object
+
+ function clearCache(){
+ cache = {};
+ }
+
+ function buildFn(fn){
+ return cache[fn] = new Function("item", "index", "array", fn); // Function
+ }
+ // magic snippet: if(typeof fn == "string") fn = cache[fn] || buildFn(fn);
+
+ // every & some
+
+ function everyOrSome(some){
+ var every = !some;
+ return function(a, fn, o){
+ var i = 0, l = a && a.length || 0, result;
+ if(l && typeof a == "string") a = a.split("");
+ if(typeof fn == "string") fn = cache[fn] || buildFn(fn);
+ if(o){
+ for(; i < l; ++i){
+ result = !fn.call(o, a[i], i, a);
+ if(some ^ result){
+ return !result;
+ }
+ }
+ }else{
+ for(; i < l; ++i){
+ result = !fn(a[i], i, a);
+ if(some ^ result){
+ return !result;
+ }
+ }
+ }
+ return every; // Boolean
+ }
+ }
+ // var every = everyOrSome(false), some = everyOrSome(true);
+
+ // indexOf, lastIndexOf
+
+ function index(up){
+ var delta = 1, lOver = 0, uOver = 0;
+ if(!up){
+ delta = lOver = uOver = -1;
+ }
+ return function(a, x, from, last){
+ if(last && delta > 0){
+ // TODO: why do we use a non-standard signature? why do we need "last"?
+ return array.lastIndexOf(a, x, from);
+ }
+ var l = a && a.length || 0, end = up ? l + uOver : lOver, i;
+ if(from === u){
+ i = up ? lOver : l + uOver;
+ }else{
+ if(from < 0){
+ i = l + from;
+ if(i < 0){
+ i = lOver;
+ }
+ }else{
+ i = from >= l ? l + uOver : from;
+ }
+ }
+ if(l && typeof a == "string") a = a.split("");
+ for(; i != end; i += delta){
+ if(a[i] == x){
+ return i; // Number
+ }
+ }
+ return -1; // Number
+ }
+ }
+ // var indexOf = index(true), lastIndexOf = index(false);
+
+ function forEach(a, fn, o){
+ var i = 0, l = a && a.length || 0;
+ if(l && typeof a == "string") a = a.split("");
+ if(typeof fn == "string") fn = cache[fn] || buildFn(fn);
+ if(o){
+ for(; i < l; ++i){
+ fn.call(o, a[i], i, a);
+ }
+ }else{
+ for(; i < l; ++i){
+ fn(a[i], i, a);
+ }
+ }
+ }
+
+ function map(a, fn, o, Ctr){
+ // TODO: why do we have a non-standard signature here? do we need "Ctr"?
+ var i = 0, l = a && a.length || 0, out = new (Ctr || Array)(l);
+ if(l && typeof a == "string") a = a.split("");
+ if(typeof fn == "string") fn = cache[fn] || buildFn(fn);
+ if(o){
+ for(; i < l; ++i){
+ out[i] = fn.call(o, a[i], i, a);
+ }
+ }else{
+ for(; i < l; ++i){
+ out[i] = fn(a[i], i, a);
+ }
+ }
+ return out; // Array
+ }
+
+ function filter(a, fn, o){
+ // TODO: do we need "Ctr" here like in map()?
+ var i = 0, l = a && a.length || 0, out = [], value;
+ if(l && typeof a == "string") a = a.split("");
+ if(typeof fn == "string") fn = cache[fn] || buildFn(fn);
+ if(o){
+ for(; i < l; ++i){
+ value = a[i];
+ if(fn.call(o, value, i, a)){
+ out.push(value);
+ }
+ }
+ }else{
+ for(; i < l; ++i){
+ value = a[i];
+ if(fn(value, i, a)){
+ out.push(value);
+ }
+ }
+ }
+ return out; // Array
+ }
+
+ array = {
+ every: everyOrSome(false),
+ some: everyOrSome(true),
+ indexOf: index(true),
+ lastIndexOf: index(false),
+ forEach: forEach,
+ map: map,
+ filter: filter,
+ clearCache: clearCache
+ };
+
+ 1 && lang.mixin(dojo, array);
+
+ /*===== return dojo.array; =====*/
+ return array;
+});
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