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Sidharth Kulkarni 2026-05-09 08:56:00 -07:00
parent 9d67af9901
commit 9ac87f93e9
Signed by: skulk
SSH key fingerprint: SHA256:Jby+S9d1WmwqnXIrngHgccYNHz+cYquxN1zm3ym3Kbg
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<!DOCTYPE HTML>
<html lang="en">
<head>
<title>WASM test</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body>
<script src="./index.js" type="module"></script>
</body>
</html>

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import { WASI, OpenFile, File, ConsoleStdout } from "https://cdn.jsdelivr.net/npm/@bjorn3/browser_wasi_shim@0.3.0/dist/index.js";
import ghc_wasm_jsffi from "./ghc_wasm_jsffi.js"
const args = [];
const env = ["GHCRTS=-H64m"];
const fds = [
new OpenFile(new File([])), // stdin
ConsoleStdout.lineBuffered((msg) => console.log(`[WASI stdout] ''${msg}`)),
ConsoleStdout.lineBuffered((msg) => console.warn(`[WASI stderr] ''${msg}`)),
];
const options = { debug: false };
const wasi = new WASI(args, env, fds, options);
let __exports = {};
const { instance } = await WebAssembly.instantiateStreaming(
fetch("numbersquare.wasm"),
{
ghc_wasm_jsffi: ghc_wasm_jsffi(__exports),
wasi_snapshot_preview1: wasi.wasiImport,
}
);
Object.assign(__exports, instance.exports);
wasi.initialize(instance);
console.log(instance)
await instance.exports.hs_start(globalThis.example);