Files
turso/bindings/javascript/turso.wasi.cjs
2025-08-08 13:22:10 +03:00

113 lines
3.4 KiB
JavaScript

/* eslint-disable */
/* prettier-ignore */
/* auto-generated by NAPI-RS */
const __nodeFs = require('node:fs')
const __nodePath = require('node:path')
const { WASI: __nodeWASI } = require('node:wasi')
const { Worker } = require('node:worker_threads')
const {
createOnMessage: __wasmCreateOnMessageForFsProxy,
getDefaultContext: __emnapiGetDefaultContext,
instantiateNapiModuleSync: __emnapiInstantiateNapiModuleSync,
} = require('@napi-rs/wasm-runtime')
const __rootDir = __nodePath.parse(process.cwd()).root
const __wasi = new __nodeWASI({
version: 'preview1',
env: process.env,
preopens: {
[__rootDir]: __rootDir,
}
})
const __emnapiContext = __emnapiGetDefaultContext()
const __sharedMemory = new WebAssembly.Memory({
initial: 4000,
maximum: 65536,
shared: true,
})
let __wasmFilePath = __nodePath.join(__dirname, 'turso.wasm32-wasi.wasm')
const __wasmDebugFilePath = __nodePath.join(__dirname, 'turso.wasm32-wasi.debug.wasm')
if (__nodeFs.existsSync(__wasmDebugFilePath)) {
__wasmFilePath = __wasmDebugFilePath
} else if (!__nodeFs.existsSync(__wasmFilePath)) {
try {
__wasmFilePath = __nodePath.resolve('@tursodatabase/database-wasm32-wasi')
} catch {
throw new Error('Cannot find turso.wasm32-wasi.wasm file, and @tursodatabase/database-wasm32-wasi package is not installed.')
}
}
const { instance: __napiInstance, module: __wasiModule, napiModule: __napiModule } = __emnapiInstantiateNapiModuleSync(__nodeFs.readFileSync(__wasmFilePath), {
context: __emnapiContext,
asyncWorkPoolSize: (function() {
const threadsSizeFromEnv = Number(process.env.NAPI_RS_ASYNC_WORK_POOL_SIZE ?? process.env.UV_THREADPOOL_SIZE)
// NaN > 0 is false
if (threadsSizeFromEnv > 0) {
return threadsSizeFromEnv
} else {
return 4
}
})(),
reuseWorker: true,
wasi: __wasi,
onCreateWorker() {
const worker = new Worker(__nodePath.join(__dirname, 'wasi-worker.mjs'), {
env: process.env,
})
worker.onmessage = ({ data }) => {
__wasmCreateOnMessageForFsProxy(__nodeFs)(data)
}
// The main thread of Node.js waits for all the active handles before exiting.
// But Rust threads are never waited without `thread::join`.
// So here we hack the code of Node.js to prevent the workers from being referenced (active).
// According to https://github.com/nodejs/node/blob/19e0d472728c79d418b74bddff588bea70a403d0/lib/internal/worker.js#L415,
// a worker is consist of two handles: kPublicPort and kHandle.
{
const kPublicPort = Object.getOwnPropertySymbols(worker).find(s =>
s.toString().includes("kPublicPort")
);
if (kPublicPort) {
worker[kPublicPort].ref = () => {};
}
const kHandle = Object.getOwnPropertySymbols(worker).find(s =>
s.toString().includes("kHandle")
);
if (kHandle) {
worker[kHandle].ref = () => {};
}
worker.unref();
}
return worker
},
overwriteImports(importObject) {
importObject.env = {
...importObject.env,
...importObject.napi,
...importObject.emnapi,
memory: __sharedMemory,
}
return importObject
},
beforeInit({ instance }) {
for (const name of Object.keys(instance.exports)) {
if (name.startsWith('__napi_register__')) {
instance.exports[name]()
}
}
},
})
module.exports = __napiModule.exports
module.exports.Database = __napiModule.exports.Database
module.exports.Statement = __napiModule.exports.Statement