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chore (loader): wasm loader with cache

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MickaelK 2025-02-03 22:34:01 +11:00
parent c1b090e210
commit 3fffac0f01
1 changed files with 20 additions and 11 deletions
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31
public/assets/helpers/loader_wasm.js
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@ -1,20 +1,29 @@
const DEBUG = false;
const log = (msg) => DEBUG && console.log(msg);
const wasmCache = new Map();
export default async function(baseURL, path, opts = {}) {
const wasi = new Wasi();
const wasm = await WebAssembly.instantiateStreaming(
fetch(new URL(path, baseURL)), {
wasi_snapshot_preview1: {
...wasi,
const url = new URL(path, baseURL);
let wasm;
if (wasmCache.has(url.pathname)) wasm = wasmCache.get(url.pathname);
else {
wasm = await WebAssembly.instantiateStreaming(
fetch(url), {
wasi_snapshot_preview1: {
...wasi,
},
env: {
...wasi,
...syscalls,
...javascripts,
},
},
env: {
...wasi,
...syscalls,
...javascripts,
},
},
);
);
wasmCache.set(url.pathname, wasm);
}
wasi.instance = wasm.instance;
return wasm;
}