init
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commit
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/target
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/bin
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/pkg
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**/*.rs.bk
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Cargo.lock
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wasm-pack.log
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[package]
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name = "rust-wasm-template"
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version = "0.1.0"
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authors = ["thetek <git@thetek.de>"]
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edition = "2021"
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[lib]
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crate-type = ["cdylib", "rlib"]
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[features]
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default = ["console_error_panic_hook"]
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[dependencies]
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wasm-bindgen = "0.2.84"
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console_error_panic_hook = { version = "0.1.7", optional = true } # better debugging for errors, not great for code size
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wee_alloc = { version = "0.4.5", optional = true } # smaller, but slower allocator
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#js-sys = "0.3.61"
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#[dependencies.web-sys]
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#version = "0.3.61"
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#features = ["Document", "Element", "HtmlCanvasElement", "WebGlBuffer", "WebGlProgram", "WebGlRenderingContext", "WebGlShader", "Window"]
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[profile.release]
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opt-level = "s" # optimize for small code size
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Copyright (c) 2023 thetek <git@thetek.de>
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Permission is hereby granted, free of charge, to any
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person obtaining a copy of this software and associated
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documentation files (the "Software"), to deal in the
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Software without restriction, including without
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limitation the rights to use, copy, modify, merge,
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publish, distribute, sublicense, and/or sell copies of
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the Software, and to permit persons to whom the Software
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is furnished to do so, subject to the following
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conditions:
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The above copyright notice and this permission notice
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shall be included in all copies or substantial portions
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of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
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ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
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TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
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SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
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IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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# Rust & WebAssembly Template
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Based on the [Rust and WebAssembly book](https://rustwasm.github.io/docs/book/game-of-life/hello-world.html#clone-the-project-template).
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## Usage
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Intitial setup:
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```bash
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wasm-pack build
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cd www
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npm install
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```
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Compile `.wasm` file:
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```bash
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wasm-pack build
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```
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Run development server:
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```bash
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cd www
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npm run start
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```
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use wasm_bindgen::prelude::*;
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mod utils;
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// use wee_alloc as the global allocator if the feature is enabled
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#[cfg(feature = "wee_alloc")]
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#[global_allocator]
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static ALLOC: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;
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#[wasm_bindgen]
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pub fn wasm_main() {
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// set panic hook when console_error_panic_hook feature is enabled
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#[cfg(feature = "console_error_panic_hook")]
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utils::set_panic_hook();
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utils::alert("Hello, WebAssembly!");
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}
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use wasm_bindgen::prelude::*;
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#[wasm_bindgen]
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extern "C" {
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pub fn alert(s: &str);
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}
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pub fn set_panic_hook() {
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#[cfg(feature = "console_error_panic_hook")]
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console_error_panic_hook::set_once();
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}
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node_modules
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dist
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// a dependency graph that contains any wasm must all be imported
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// asynchronously. this `bootstrap.js` file does the single async import, so
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// that no one else needs to worry about it again.
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import('./index.js')
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.catch(e => console.error('error importing `index.js`:', e))
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>Rust WebAssembly Template</title>
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</head>
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<body>
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<noscript>This page contains webassembly and javascript content, please enable javascript in your browser.</noscript>
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<script src="./bootstrap.js"></script>
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</body>
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</html>
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import * as wasm from 'rust-wasm-template'
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wasm.wasm_main()
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File diff suppressed because it is too large
Load Diff
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@ -0,0 +1,22 @@
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{
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"name": "rust-wasm-template",
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"version": "0.1.0",
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"description": "template for webassembly and rust",
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"main": "index.js",
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"scripts": {
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"build": "webpack --config webpack.config.js",
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"start": "webpack serve"
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},
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"keywords": ["webassembly", "wasm", "rust", "webpack"],
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"author": "thetek <git@thetek.de>",
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"license": "MIT",
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"dependencies": {
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"rust-wasm-template": "file:../pkg"
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},
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"devDependencies": {
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"copy-webpack-plugin": "^11.0.0",
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"webpack": "^5.76.2",
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"webpack-cli": "^5.0.1",
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"webpack-dev-server": "^4.13.1"
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}
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}
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@ -0,0 +1,27 @@
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const CopyWebpackPlugin = require('copy-webpack-plugin')
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const path = require('path')
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module.exports = {
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entry: './bootstrap.js',
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output: {
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path: path.resolve(__dirname, 'dist'),
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filename: 'bootstrap.js',
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},
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mode: 'development',
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plugins: [
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new CopyWebpackPlugin({
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patterns: [{ from: 'index.html' }],
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})
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],
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experiments: {
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asyncWebAssembly: true,
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syncWebAssembly: true,
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},
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devServer: {
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static: {
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directory: path.join(__dirname, "dist"),
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},
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compress: true,
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port: 3000,
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},
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}
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