Bindings for Proxy.new()

Signed-off-by: Stephan Renatus <srenatus@chef.io>

src/js.rs

@@ -1030,6 +1030,20 @@ extern "C" {
     pub fn values(object: &Object) -> Array;
 }
 
+// Proxy
+#[wasm_bindgen]
+extern {
+    pub type Proxy;
+
+    /// The Proxy object is used to define custom behavior for fundamental
+    /// operations (e.g. property lookup, assignment, enumeration, function
+    /// invocation, etc).
+    ///
+    /// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy
+    #[wasm_bindgen(constructor)]
+    pub fn new(target: &JsValue, handler: &Object) -> Proxy;
+}
+
 // Set
 #[wasm_bindgen]
 extern {

tests/all/js_globals/Proxy.rs

@@ -0,0 +1,37 @@
+#![allow(non_snake_case)]
+
+use project;
+
+#[test]
+fn new() {
+    project()
+        .file("src/lib.rs", r#"
+            #![feature(proc_macro, wasm_custom_section)]
+
+            extern crate wasm_bindgen;
+            use wasm_bindgen::prelude::*;
+            use wasm_bindgen::js;
+
+            #[wasm_bindgen]
+            pub fn new_proxy(target: JsValue, handler: js::Object) -> js::Proxy {
+                js::Proxy::new(&target, &handler)
+            }
+        "#)
+        .file("test.ts", r#"
+            import * as assert from "assert";
+            import * as wasm from "./out";
+
+            export function test() {
+                const target = { a: 100 };
+                const handler = {
+                     get: function(obj: any, prop: any) {
+                         return prop in obj ? obj[prop] : 37;
+                     }
+                };
+                const proxy = wasm.new_proxy(target, handler);
+                assert.equal(proxy.a, 100);
+                assert.equal(proxy.b, 37);
+            }
+        "#)
+        .test()
+}

tests/all/js_globals/mod.rs

@@ -16,6 +16,7 @@ mod MapIterator;
 mod Math;
 mod Number;
 mod Object;
+mod Proxy;
 mod Set;
 mod SetIterator;
 mod TypedArray;