Add watching of rust wasm with cargo watch - rustwasm/wasm-pack#457

package.json

@@ -6,13 +6,14 @@
   "license": "MIT",
   "type": "module",
   "scripts": {
-    "dev": "vite",
+    "dev": "yarn wasmwatch & vite",
     "build": "tsc && vite build",
     "preview": "vite preview",
     "parceldev": "parcel index.html",
     "parceldemo": "parcel input.html",
     "test": "jest",
-    "wasmpack": "wasm-pack build"
+    "wasmpack": "wasm-pack build",
+    "wasmwatch": "cargo watch -w src/*.rs -s \"wasm-pack build\""
   },
   "devDependencies": {
     "@types/jest": "^29.1.2",

src/lib.rs

@@ -8,4 +8,14 @@ pub fn add(a: i32, b: i32) -> i32 {
 #[wasm_bindgen]
 pub fn subtract(a: i32, b: i32) -> i32 {
   return a - b;
+}
+
+#[wasm_bindgen]
+pub fn multiply(a: i32, b: i32) -> i32 {
+  return a * b;
+}
+
+#[wasm_bindgen]
+pub fn divide(a: i32, b: i32) -> i32 {
+  return a / b;
 }

src/pong.ts

@@ -5,9 +5,9 @@ import { MarshalInput } from './MarshalInput';
 import { GamepadSnapshot } from './GamepadSnapshot';
 import {clamp} from './lib';
 import { Pog } from './types';
-import {add, subtract } from '../pkg/hellowasm_bg.wasm'
+import {add, subtract, multiply, divide} from '../pkg/hellowasm_bg.wasm'
 
-console.log('nice', add(1,1), subtract(400, 100));
+console.log('nice', add(1,1), subtract(400, 100), multiply(100,100), divide(20,10));
 
 type GameState = {
 	leftPaddle: BoundingBox,