@dojo/shim - npm Package Compare versions

Comparing version 0.2.0 to 0.2.1

iterator.d.ts

@@ -43,1 +43,25 @@ import './Symbol';
 export declare function isArrayLike(value: any): value is ArrayLike<any>;
+/**
+ * Returns the iterator for an object
+ *
+ * @param iterable The iterable object to return the iterator for
+ */
+export declare function get<T>(iterable: Iterable<T> | ArrayLike<T>): Iterator<T> | undefined;
+export interface ForOfCallback<T> {
+    /**
+     * A callback function for a forOf() iteration
+     *
+     * @param value The current value
+     * @param object The object being iterated over
+     * @param doBreak A function, if called, will stop the iteration
+     */
+    (value: T, object: Iterable<T> | ArrayLike<T> | string, doBreak: () => void): void;
+}
+/**
+ * Shims the functionality of `for ... of` blocks
+ *
+ * @param iterable The object the provides an interator interface
+ * @param callback The callback which will be called for each item of the iterable
+ * @param thisArg Optional scope to pass the callback
+ */
+export declare function forOf<T>(iterable: Iterable<T> | ArrayLike<T> | string, callback: ForOfCallback<T>, thisArg?: any): void;

iterator.js

@@ -7,3 +7,3 @@ (function (factory) {
     else if (typeof define === "function" && define.amd) {
-        define(["require", "exports", "./Symbol"], factory);
+        define(["require", "exports", "./Symbol", "./string"], factory);
     }
@@ -14,2 +14,3 @@ })(function (require, exports) {
     require("./Symbol");
+    var string_1 = require("./string");
     var staticDone = { done: true, value: undefined };
@@ -73,3 +74,62 @@ /**
     exports.isArrayLike = isArrayLike;
+    /**
+     * Returns the iterator for an object
+     *
+     * @param iterable The iterable object to return the iterator for
+     */
+    function get(iterable) {
+        if (isIterable(iterable)) {
+            return iterable[Symbol.iterator]();
+        }
+        else if (isArrayLike(iterable)) {
+            return new ShimIterator(iterable);
+        }
+    }
+    exports.get = get;
+    ;
+    /**
+     * Shims the functionality of `for ... of` blocks
+     *
+     * @param iterable The object the provides an interator interface
+     * @param callback The callback which will be called for each item of the iterable
+     * @param thisArg Optional scope to pass the callback
+     */
+    function forOf(iterable, callback, thisArg) {
+        var broken = false;
+        function doBreak() {
+            broken = true;
+        }
+        /* We need to handle iteration of double byte strings properly */
+        if (isArrayLike(iterable) && typeof iterable === 'string') {
+            var l = iterable.length;
+            for (var i = 0; i < l; ++i) {
+                var char = iterable[i];
+                if ((i + 1) < l) {
+                    var code = char.charCodeAt(0);
+                    if ((code >= string_1.HIGH_SURROGATE_MIN) && (code <= string_1.HIGH_SURROGATE_MAX)) {
+                        char += iterable[++i];
+                    }
+                }
+                callback.call(thisArg, char, iterable, doBreak);
+                if (broken) {
+                    return;
+                }
+            }
+        }
+        else {
+            var iterator = get(iterable);
+            if (iterator) {
+                var result = iterator.next();
+                while (!result.done) {
+                    callback.call(thisArg, result.value, iterable, doBreak);
+                    if (broken) {
+                        return;
+                    }
+                    result = iterator.next();
+                }
+            }
+        }
+    }
+    exports.forOf = forOf;
 });
 //# sourceMappingURL=iterator.js.map

package.json

 {
   "name": "@dojo/shim",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "description": "Modules that provide modular fills of ES6+ functionality",
@@ -5,0 +5,0 @@ "homepage": "https://dojo.io",

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Improved metrics

Total package byte prevSize

333223

increased by2.07%

Lines of code

3731

increased by2.3%

No dependency changes