Rust编写的JavaScript引擎,该项目是一个试验性质的项目。
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// Note that a dynamic `import` statement here is required due to
// webpack/webpack#6615, but in theory `import { greet } from './pkg/hello_world';`
// will work here one day as well!
const rust = import("./pkg");
import * as monaco from "monaco-editor";
// const image = import("./assets/01_rust_loves_js.png");
const initialCode = `\
function greet(targetName) {
return 'Hello, ' + targetName + '!';
}
greet('World')
`;
const editor = monaco.editor.create(
document.getElementsByClassName("textbox")[0],
{
value: initialCode,
language: "javascript",
theme: "vs",
minimap: {
enabled: false
}
}
);
// Fix size of Monaco Editor when window resize
window.addEventListener('resize', () => {
editor.layout();
});
rust.then(m => {
window.evaluate = m.evaluate;
editor.getModel().onDidChangeContent(inputHandler);
});
function inputHandler(evt) {
const text = editor.getValue();
let p = document.querySelector("p.output");
let t0 = performance.now();
let result = window.evaluate(text);
let t1 = performance.now();
p.textContent = `> ${result}`;
console.log(result);
}