feat: add Reflect.set

src/js.rs

@@ -1066,6 +1066,15 @@ extern "C" {
     /// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/preventExtensions
     #[wasm_bindgen(static_method_of = Reflect, js_name = preventExtensions, catch)]
     pub fn prevent_extensions(target: &Object) -> Result<JsValue, JsValue>;
+
+    /// The static Reflect.set() method works like setting a 
+    /// property on an object.
+    /// 
+    /// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/set
+    #[wasm_bindgen(static_method_of = Reflect, catch)]
+    pub fn set(target: &JsValue, property_key: &JsValue, value: &JsValue) -> Result<JsValue, JsValue>;
+    #[wasm_bindgen(static_method_of = Reflect, js_name = set, catch)]
+    pub fn set_with_receiver(target: &JsValue, property_key: &JsValue, value: &JsValue, receiver: &JsValue) -> Result<JsValue, JsValue>;
 }
 
 // Set

tests/all/js_globals/Reflect.rs

@@ -560,7 +560,7 @@ fn prevent_extensions() {
             import * as wasm from "./out";
 
             export function test() {
-                var object1 = {};
+                const object1 = {};
 
                 wasm.prevent_extensions(object1);
 
@@ -569,4 +569,92 @@ fn prevent_extensions() {
         "#,
         )
         .test()
+}
+
+#[test]
+fn set() {
+    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 set(target: &JsValue, property_key: &JsValue, value: &JsValue) -> JsValue {
+                let result = js::Reflect::set(target, property_key, value);
+                let result = match result {
+                    Ok(val) => val,
+                    Err(_err) => "TypeError".into()
+                };
+                result
+            }
+        "#,
+        )
+        .file(
+            "test.ts",
+            r#"
+            import * as assert from "assert";
+            import * as wasm from "./out";
+
+            export function test() {
+                const object = {};
+                const array: number[] = [1, 2, 3, 4];
+                assert.equal(wasm.set(object, "key", "value"), true);
+                assert.equal(wasm.set(array, 0, 100), true);
+
+                assert.equal(Reflect.get(object, "key"), "value");
+                assert.equal(array[0], 100);
+                assert.equal(wasm.set("", "key", "value"), "TypeError");
+            }
+        "#,
+        )
+        .test()
+}
+
+#[test]
+fn set_with_receiver() {
+    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 set_with_receiver(target: &JsValue, property_key: &JsValue, value: &JsValue, receiver: &JsValue) -> JsValue {
+                let result = js::Reflect::set_with_receiver(target, property_key, value, receiver);
+                let result = match result {
+                    Ok(val) => val,
+                    Err(_err) => "TypeError".into()
+                };
+                result
+            }
+        "#,
+        )
+        .file(
+            "test.ts",
+            r#"
+            import * as assert from "assert";
+            import * as wasm from "./out";
+
+            export function test() {
+                const object = {};
+                const array: number[] = [1, 2, 3, 4];
+                assert.equal(wasm.set_with_receiver({}, "key", "value", object), true);
+                assert.equal(wasm.set_with_receiver([], 0, 100, array), true);
+
+                assert.equal(Reflect.get(object, "key"), "value");
+                assert.equal(array[0], 100);
+                assert.equal(wasm.set_with_receiver("", "key", "value", ""), "TypeError");
+            }
+        "#,
+        )
+        .test()
 }