37 lines
829 B
JavaScript
37 lines
829 B
JavaScript
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import { instantiateNapiModuleSync, MessageHandler } from '@emnapi/core'
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import { WASI } from '@tybys/wasm-util'
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import { Volume, createFsFromVolume } from 'memfs-browser'
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const fs = createFsFromVolume(
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Volume.fromJSON({
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'/': null,
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}),
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)
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const handler = new MessageHandler({
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onLoad({ wasmModule, wasmMemory }) {
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const wasi = new WASI({
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fs,
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print: function () {
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console.log.apply(console, arguments)
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},
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})
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return instantiateNapiModuleSync(wasmModule, {
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childThread: true,
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wasi,
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overwriteImports(importObject) {
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importObject.env = {
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...importObject.env,
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...importObject.napi,
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...importObject.emnapi,
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memory: wasmMemory,
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}
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},
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})
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},
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})
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globalThis.onmessage = function (e) {
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handler.handle(e)
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}
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