Merge pull request #7911 from newclear/traverse

add type define for traverse

traverse/traverse-tests.ts

@@ -0,0 +1,40 @@
+/// <reference path="traverse.d.ts" />
+
+import traverse = require('traverse');
+
+function testForEach(){
+    var obj = [ 5, 6, -3, [ 7, 8, -2, 1 ], { f : 10, g : -13 } ];
+
+    traverse(obj).forEach(function (x) {
+        if (x < 0) this.update(x + 128);
+    });
+
+    console.dir(obj);
+}
+
+function testReduce(){
+    var obj = {
+        a : [1,2,3],
+        b : 4,
+        c : [5,6],
+        d : { e : [7,8], f : 9 },
+    };
+
+    var leaves = traverse(obj).reduce(function (acc, x) {
+        if (this.isLeaf) acc.push(x);
+        return acc;
+    }, []);
+
+    console.dir(leaves);
+}
+
+function testMap(){
+    var c: any[] = [3, 4];
+    var obj = { a : 1, b : 2, c : c };
+    obj.c.push(obj);
+
+    var scrubbed = traverse(obj).map(function (x) {
+        if (this.circular) this.remove()
+    });
+    console.dir(scrubbed);
+}

traverse/traverse.d.ts

@@ -0,0 +1,22 @@
+// Type definitions for traverse 0.6.6
+// Project: https://github.com/substack/js-traverse
+// Definitions by: newclear <https://github.com/newclear>
+// Definitions: https://github.com/newclear/DefinitelyTyped
+
+declare module "traverse" {
+    interface Traverse {
+        get(paths: string[]): any;
+        has(paths: string[]): boolean;
+        set(paths: string[], value: any): any;
+        map(cb: (v: any) => void): any;
+        forEach(cb: (v: any) => void): any;
+        reduce(cb: (acc: any, v: any) => void, init?: any): any;
+        paths(): string[];
+        nodes(): any[];
+        clone(): any;
+    }
+
+    function traverse(obj: any): Traverse;
+
+    export = traverse;
+}