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https://github.com/aljazceru/turso.git
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98bec9868b
With napi v3 we can compile our javascript binding to wasm, which can reduce a lot of maintenance overhead and complexity
61 lines
1.5 KiB
JavaScript
61 lines
1.5 KiB
JavaScript
import {
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createOnMessage as __wasmCreateOnMessageForFsProxy,
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getDefaultContext as __emnapiGetDefaultContext,
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instantiateNapiModuleSync as __emnapiInstantiateNapiModuleSync,
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WASI as __WASI,
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} from '@napi-rs/wasm-runtime'
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const __wasi = new __WASI({
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version: 'preview1',
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})
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const __wasmUrl = new URL('./turso.wasm32-wasi.wasm', import.meta.url).href
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const __emnapiContext = __emnapiGetDefaultContext()
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const __sharedMemory = new WebAssembly.Memory({
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initial: 4000,
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maximum: 65536,
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shared: true,
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})
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const __wasmFile = await fetch(__wasmUrl).then((res) => res.arrayBuffer())
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const {
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instance: __napiInstance,
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module: __wasiModule,
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napiModule: __napiModule,
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} = __emnapiInstantiateNapiModuleSync(__wasmFile, {
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context: __emnapiContext,
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asyncWorkPoolSize: 4,
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wasi: __wasi,
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onCreateWorker() {
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const worker = new Worker(new URL('./wasi-worker-browser.mjs', import.meta.url), {
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type: 'module',
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})
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return worker
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},
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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: __sharedMemory,
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}
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return importObject
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},
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beforeInit({ instance }) {
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for (const name of Object.keys(instance.exports)) {
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if (name.startsWith('__napi_register__')) {
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instance.exports[name]()
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}
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}
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},
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})
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export default __napiModule.exports
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export const Database = __napiModule.exports.Database
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export const Statement = __napiModule.exports.Statement
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