wasm

Author: Platane

.gitignore

@@ -6,3 +6,4 @@ build
 .env
 .wrangler
 .dev.vars
+target

package.json

@@ -18,5 +18,8 @@
     "dev:demo": "( cd packages/demo ; npm run dev )",
     "build:demo": "( cd packages/demo ; npm run build )",
     "build:action": "( cd packages/action ; npm run build )"
-  }
+  },
+  "trustedDependencies": [
+    "wasm-pack"
+  ]
 }

packages/demo/demo.json

@@ -5,5 +5,6 @@
   "outside",
   "getPathToPose",
   "getPathTo",
-  "svg"
+  "svg",
+  "rust"
 ]

packages/demo/demo.rust.ts

@@ -0,0 +1,6 @@
+import "./menu";
+
+(async () => {
+  const api = await import("@snk/solver-r");
+  console.log(api);
+})();

packages/demo/webpack.config.ts

@@ -42,6 +42,9 @@ const webpackConfiguration: WebpackConfiguration = {
     path: path.join(__dirname, "dist"),
     filename: "[contenthash].js",
   },
+  experiments: {
+    asyncWebAssembly: true,
+  },
   module: {
     rules: [
       {

packages/solver-r/.gitignore

@@ -0,0 +1,2 @@
+target
+pkg

packages/solver-r/Cargo.toml

@@ -0,0 +1,23 @@
+[package]
+name = "snk-solver-rust"
+version = "1.0.0"
+authors = ["platane"]
+edition = "2018"
+
+[lib]
+crate-type = ["cdylib", "rlib"]
+
+[features]
+default = ["console_error_panic_hook"]
+
+[dependencies]
+wasm-bindgen = "0.2.100"
+
+# The `console_error_panic_hook` crate provides better debugging of panics by
+# logging them with `console.error`. This is great for development, but requires
+# all the `std::fmt` and `std::panicking` infrastructure, so isn't great for
+# code size when deploying.
+console_error_panic_hook = { version = "0.1.7", optional = true }
+
+[dev-dependencies]
+wasm-bindgen-test = "0.3.34"

packages/solver-r/package.json

@@ -0,0 +1,11 @@
+{
+  "name": "@snk/solver-r",
+  "version": "1.0.0",
+  "devDependencies": {
+    "wasm-pack": "0.13.1"
+  },
+  "main": "./pkg/snk_solver_rust.js",
+  "scripts": {
+    "build": "wasm-pack build"
+  }
+}

packages/solver-r/src/lib.rs

@@ -0,0 +1,69 @@
+use wasm_bindgen::prelude::*;
+
+#[wasm_bindgen]
+extern "C" {
+    fn alert(s: &str);
+}
+
+#[wasm_bindgen]
+pub fn greet() {
+    alert("Hello, wasm-game-of-life!");
+}
+
+#[derive(Copy, Clone)]
+pub struct Point {
+    x: i8,
+    y: i8,
+}
+
+#[wasm_bindgen]
+#[derive(Copy, Clone)]
+pub enum Cell {
+    Empty,
+    Color1,
+    Color2,
+    Color3,
+    Color4,
+    Color5,
+}
+
+#[wasm_bindgen]
+pub struct Grid {
+    width: i8,
+    height: i8,
+    cells: Vec<Cell>,
+}
+
+#[wasm_bindgen]
+impl Grid {
+    pub fn create(width: i8, height: i8) -> Grid {
+        let cells = (0..width * height).map(|_| Cell::Empty).collect();
+
+        Grid {
+            width,
+            height,
+            cells,
+        }
+    }
+}
+
+type Snake = [Point; 5];
+
+pub fn get_index(grid: &Grid, x: i8, y: i8) -> usize {
+    return (x * grid.height + y) as usize;
+}
+
+// pub fn setCell(grid:&Grid,x:i8,y:i8,c:Cell) {
+//     // grid.data[getIndex(grid,x,y)]=c;
+// }
+
+pub fn get_cell(grid: &Grid, p: &Point) -> Cell {
+    let i = get_index(grid, p.x, p.y);
+
+    return grid.cells[i];
+}
+
+#[test]
+fn it_works() {
+    assert_eq!(2 + 2, 4);
+}