@napi-rs/cli

# Snapshot report for `src/api/__tests__/templates.spec.ts` The actual snapshot is saved in `templates.spec.ts.snap`. Generated by [AVA](https://avajs.dev). ## createWasiBrowserBinding default > Snapshot 1 `import {␊ emnapiAsyncWorkPlugin as __emnapiAsyncWorkPlugin,␊ emnapiTSFNPlugin as __emnapiTSFNPlugin,␊ createOnMessage as __wasmCreateOnMessageForFsProxy,␊ instantiateNapiModuleSync as __emnapiInstantiateNapiModuleSync,␊ WASI as __WASI,␊ } from '@napi-rs/wasm-runtime'␊ import { createContext as __emnapiCreateContext } from '@emnapi/runtime'␊ ␊ ␊ ␊ const __wasi = new __WASI({␊ version: 'preview1',␊ })␊ ␊ const __wasmUrl = new URL('./test-wasi.wasm', import.meta.url).href␊ const __wasmResponse = await globalThis.fetch(__wasmUrl)␊ if (!__wasmResponse.ok) {␊ throw new Error(␊ 'Failed to fetch WASI module ' +␊ __wasmUrl +␊ ': ' +␊ __wasmResponse.status +␊ ' ' +␊ (__wasmResponse.statusText || 'Unknown Status'),␊ )␊ }␊ const __wasmFile = await __wasmResponse.arrayBuffer()␊ ␊ const __sharedMemory = new WebAssembly.Memory({␊ initial: 4000,␊ maximum: 65536,␊ shared: true,␊ })␊ ␊ let __emnapiContext␊ ␊ const __wasiDisposeSymbol = Symbol.for('napi.rs.wasi.dispose')␊ const __wasiWorkers = new Set()␊ let __napiInstance␊ let __emnapiContextDestroyed = false␊ let __emnapiContextDestroyPromise␊ let __emnapiWasmEnvCleanupPrepared = false␊ let __wasiDisposed = false␊ let __wasiDisposePromise␊ let __completeWasiDisposal = function() {}␊ ␊ function __isThenable(value) {␊ return (␊ value !== null &&␊ (typeof value === 'object' || typeof value === 'function') &&␊ typeof value.then === 'function'␊ )␊ }␊ ␊ function __createCleanupError(errors, message) {␊ if (errors.length === 1) {␊ return errors[0]␊ }␊ const __AggregateError = globalThis.AggregateError␊ if (typeof __AggregateError === 'function') {␊ return new __AggregateError(errors, message)␊ }␊ const error = new Error(message)␊ error.errors = errors␊ return error␊ }␊ ␊ function __attachCleanupErrors(error, cleanupErrors) {␊ if (cleanupErrors.length === 0) {␊ return error␊ }␊ const cleanupError = __createCleanupError(␊ cleanupErrors,␊ 'WASI binding cleanup failed',␊ )␊ try {␊ if (␊ error &&␊ (typeof error === 'object' || typeof error === 'function')␊ ) {␊ if (error.cause === undefined) {␊ error.cause = cleanupError␊ if (error.cause === cleanupError) {␊ return error␊ }␊ }␊ if (Array.isArray(error.cleanupErrors)) {␊ error.cleanupErrors.push(cleanupError)␊ return error␊ } else {␊ const attachedCleanupErrors = [cleanupError]␊ error.cleanupErrors = attachedCleanupErrors␊ if (error.cleanupErrors === attachedCleanupErrors) {␊ return error␊ }␊ }␊ }␊ } catch {}␊ const aggregate = __createCleanupError(␊ [error, cleanupError],␊ 'WASI binding initialization and cleanup failed',␊ )␊ try {␊ aggregate.cause = error␊ } catch {}␊ return aggregate␊ }␊ ␊ function __prepareWasmEnvCleanup() {␊ if (__emnapiWasmEnvCleanupPrepared) {␊ return␊ }␊ const prepare = __napiInstance?.exports?.napi_prepare_wasm_env_cleanup␊ if (typeof prepare === 'function') {␊ prepare()␊ }␊ __emnapiWasmEnvCleanupPrepared = true␊ }␊ ␊ function __destroyEmnapiContext() {␊ if (__emnapiContextDestroyed || __emnapiContext === undefined) {␊ __emnapiContextDestroyed = true␊ return␊ }␊ if (__emnapiContextDestroyPromise) {␊ return __emnapiContextDestroyPromise␊ }␊ ␊ __prepareWasmEnvCleanup()␊ const result = __emnapiContext.destroy()␊ if (!__isThenable(result)) {␊ __emnapiContextDestroyed = true␊ return␊ }␊ ␊ const destroyPromise = Promise.resolve(result).then(␊ (value) => {␊ __emnapiContextDestroyed = true␊ return value␊ },␊ (error) => {␊ __emnapiContextDestroyPromise = undefined␊ throw error␊ },␊ )␊ __emnapiContextDestroyPromise = destroyPromise␊ return destroyPromise␊ }␊ ␊ function __terminateWasiWorkers() {␊ const cleanupErrors = []␊ const pending = []␊ ␊ for (const worker of __wasiWorkers) {␊ let result␊ try {␊ result = worker.terminate()␊ } catch (error) {␊ cleanupErrors.push(error)␊ continue␊ }␊ if (__isThenable(result)) {␊ pending.push(␊ Promise.resolve(result).then(␊ () => {␊ __wasiWorkers.delete(worker)␊ },␊ (error) => {␊ cleanupErrors.push(error)␊ },␊ ),␊ )␊ } else {␊ __wasiWorkers.delete(worker)␊ }␊ }␊ ␊ const finish = () => {␊ if (cleanupErrors.length > 0) {␊ throw __createCleanupError(␊ cleanupErrors,␊ 'Failed to terminate WASI workers',␊ )␊ }␊ }␊ return pending.length > 0 ? Promise.all(pending).then(finish) : finish()␊ }␊ ␊ function __finishWasiDisposal() {␊ const workerResult = __terminateWasiWorkers()␊ if (__isThenable(workerResult)) {␊ return Promise.resolve(workerResult).then(__completeWasiDisposal)␊ }␊ return __completeWasiDisposal()␊ }␊ ␊ function __startWasiDisposal() {␊ const destroyResult = __destroyEmnapiContext()␊ if (__isThenable(destroyResult)) {␊ return Promise.resolve(destroyResult).then(__finishWasiDisposal)␊ }␊ return __finishWasiDisposal()␊ }␊ ␊ /**␊ * Disposes this generated WASI binding.␊ *␊ * Access this function with:␊ * binding[Symbol.for('napi.rs.wasi.dispose')]()␊ */␊ function __disposeWasiBinding() {␊ if (__wasiDisposePromise) {␊ return __wasiDisposePromise␊ }␊ if (__wasiDisposed) {␊ return Promise.resolve()␊ }␊ ␊ let resolveDispose␊ let rejectDispose␊ const disposePromise = new Promise((resolve, reject) => {␊ resolveDispose = resolve␊ rejectDispose = reject␊ })␊ __wasiDisposePromise = disposePromise␊ ␊ let result␊ try {␊ result = __startWasiDisposal()␊ } catch (error) {␊ __wasiDisposePromise = undefined␊ rejectDispose(error)␊ return disposePromise␊ }␊ ␊ Promise.resolve(result).then(␊ (value) => {␊ __wasiDisposed = true␊ resolveDispose(value)␊ },␊ (error) => {␊ __wasiDisposePromise = undefined␊ rejectDispose(error)␊ },␊ )␊ return disposePromise␊ }␊ ␊ function __publishWasiDispose(exports) {␊ Object.defineProperty(exports, __wasiDisposeSymbol, {␊ configurable: false,␊ enumerable: false,␊ value: __disposeWasiBinding,␊ writable: false,␊ })␊ }␊ ␊ function __finishWasiInitializationRollback(cleanupErrors) {␊ let workerResult␊ try {␊ workerResult = __terminateWasiWorkers()␊ } catch (cleanupError) {␊ cleanupErrors.push(cleanupError)␊ return cleanupErrors␊ }␊ if (__isThenable(workerResult)) {␊ return Promise.resolve(workerResult)␊ .catch((cleanupError) => {␊ cleanupErrors.push(cleanupError)␊ })␊ .then(() => cleanupErrors)␊ }␊ return cleanupErrors␊ }␊ ␊ function __rollbackWasiInitialization() {␊ const cleanupErrors = []␊ let destroyResult␊ try {␊ destroyResult = __destroyEmnapiContext()␊ } catch (cleanupError) {␊ cleanupErrors.push(cleanupError)␊ return __finishWasiInitializationRollback(cleanupErrors)␊ }␊ if (__isThenable(destroyResult)) {␊ return Promise.resolve(destroyResult)␊ .catch((cleanupError) => {␊ cleanupErrors.push(cleanupError)␊ })␊ .then(() => __finishWasiInitializationRollback(cleanupErrors))␊ }␊ return __finishWasiInitializationRollback(cleanupErrors)␊ }␊ ␊ let __wasiModule␊ let __napiModule␊ ␊ try {␊ __emnapiContext = __emnapiCreateContext({ autoDestroy: false })␊ __emnapiContext.suppressDestroy()␊ ␊ ;({␊ instance: __napiInstance,␊ module: __wasiModule,␊ napiModule: __napiModule,␊ } = __emnapiInstantiateNapiModuleSync(__wasmFile, {␊ context: __emnapiContext,␊ asyncWorkPoolSize: 4,␊ plugins: [__emnapiAsyncWorkPlugin, __emnapiTSFNPlugin],␊ wasi: __wasi,␊ onCreateWorker() {␊ const worker = new Worker(new URL('./wasi-worker-browser.mjs', import.meta.url), {␊ type: 'module',␊ })␊ __wasiWorkers.add(worker)␊ ␊ ␊ return worker␊ },␊ overwriteImports(importObject) {␊ importObject.env = {␊ ...importObject.env,␊ ...importObject.napi,␊ ...importObject.emnapi,␊ memory: __sharedMemory,␊ }␊ return importObject␊ },␊ beforeInit({ instance }) {␊ __napiInstance = instance␊ for (const name of Object.keys(instance.exports)) {␊ if (name.startsWith('__napi_register__')) {␊ instance.exports[name]()␊ }␊ }␊ },␊ }))␊ __publishWasiDispose(__napiModule.exports)␊ } catch (error) {␊ const cleanupErrors = await __rollbackWasiInitialization()␊ throw __attachCleanupErrors(error, cleanupErrors)␊ }␊ ` ## createWasiBrowserBinding with errorEvent > Snapshot 1 `import {␊ emnapiAsyncWorkPlugin as __emnapiAsyncWorkPlugin,␊ emnapiTSFNPlugin as __emnapiTSFNPlugin,␊ createOnMessage as __wasmCreateOnMessageForFsProxy,␊ instantiateNapiModuleSync as __emnapiInstantiateNapiModuleSync,␊ WASI as __WASI,␊ } from '@napi-rs/wasm-runtime'␊ import { createContext as __emnapiCreateContext } from '@emnapi/runtime'␊ ␊ ␊ ␊ const __wasi = new __WASI({␊ version: 'preview1',␊ })␊ ␊ const __wasmUrl = new URL('./test-wasi.wasm', import.meta.url).href␊ const __wasmResponse = await globalThis.fetch(__wasmUrl)␊ if (!__wasmResponse.ok) {␊ throw new Error(␊ 'Failed to fetch WASI module ' +␊ __wasmUrl +␊ ': ' +␊ __wasmResponse.status +␊ ' ' +␊ (__wasmResponse.statusText || 'Unknown Status'),␊ )␊ }␊ const __wasmFile = await __wasmResponse.arrayBuffer()␊ ␊ const __sharedMemory = new WebAssembly.Memory({␊ initial: 4000,␊ maximum: 65536,␊ shared: true,␊ })␊ ␊ let __emnapiContext␊ ␊ const __wasiDisposeSymbol = Symbol.for('napi.rs.wasi.dispose')␊ const __wasiWorkers = new Set()␊ let __napiInstance␊ let __emnapiContextDestroyed = false␊ let __emnapiContextDestroyPromise␊ let __emnapiWasmEnvCleanupPrepared = false␊ let __wasiDisposed = false␊ let __wasiDisposePromise␊ let __completeWasiDisposal = function() {}␊ ␊ function __isThenable(value) {␊ return (␊ value !== null &&␊ (typeof value === 'object' || typeof value === 'function') &&␊ typeof value.then === 'function'␊ )␊ }␊ ␊ function __createCleanupError(errors, message) {␊ if (errors.length === 1) {␊ return errors[0]␊ }␊ const __AggregateError = globalThis.AggregateError␊ if (typeof __AggregateError === 'function') {␊ return new __AggregateError(errors, message)␊ }␊ const error = new Error(message)␊ error.errors = errors␊ return error␊ }␊ ␊ function __attachCleanupErrors(error, cleanupErrors) {␊ if (cleanupErrors.length === 0) {␊ return error␊ }␊ const cleanupError = __createCleanupError(␊ cleanupErrors,␊ 'WASI binding cleanup failed',␊ )␊ try {␊ if (␊ error &&␊ (typeof error === 'object' || typeof error === 'function')␊ ) {␊ if (error.cause === undefined) {␊ error.cause = cleanupError␊ if (error.cause === cleanupError) {␊ return error␊ }␊ }␊ if (Array.isArray(error.cleanupErrors)) {␊ error.cleanupErrors.push(cleanupError)␊ return error␊ } else {␊ const attachedCleanupErrors = [cleanupError]␊ error.cleanupErrors = attachedCleanupErrors␊ if (error.cleanupErrors === attachedCleanupErrors) {␊ return error␊ }␊ }␊ }␊ } catch {}␊ const aggregate = __createCleanupError(␊ [error, cleanupError],␊ 'WASI binding initialization and cleanup failed',␊ )␊ try {␊ aggregate.cause = error␊ } catch {}␊ return aggregate␊ }␊ ␊ function __prepareWasmEnvCleanup() {␊ if (__emnapiWasmEnvCleanupPrepared) {␊ return␊ }␊ const prepare = __napiInstance?.exports?.napi_prepare_wasm_env_cleanup␊ if (typeof prepare === 'function') {␊ prepare()␊ }␊ __emnapiWasmEnvCleanupPrepared = true␊ }␊ ␊ function __destroyEmnapiContext() {␊ if (__emnapiContextDestroyed || __emnapiContext === undefined) {␊ __emnapiContextDestroyed = true␊ return␊ }␊ if (__emnapiContextDestroyPromise) {␊ return __emnapiContextDestroyPromise␊ }␊ ␊ __prepareWasmEnvCleanup()␊ const result = __emnapiContext.destroy()␊ if (!__isThenable(result)) {␊ __emnapiContextDestroyed = true␊ return␊ }␊ ␊ const destroyPromise = Promise.resolve(result).then(␊ (value) => {␊ __emnapiContextDestroyed = true␊ return value␊ },␊ (error) => {␊ __emnapiContextDestroyPromise = undefined␊ throw error␊ },␊ )␊ __emnapiContextDestroyPromise = destroyPromise␊ return destroyPromise␊ }␊ ␊ function __terminateWasiWorkers() {␊ const cleanupErrors = []␊ const pending = []␊ ␊ for (const worker of __wasiWorkers) {␊ let result␊ try {␊ result = worker.terminate()␊ } catch (error) {␊ cleanupErrors.push(error)␊ continue␊ }␊ if (__isThenable(result)) {␊ pending.push(␊ Promise.resolve(result).then(␊ () => {␊ __wasiWorkers.delete(worker)␊ },␊ (error) => {␊ cleanupErrors.push(error)␊ },␊ ),␊ )␊ } else {␊ __wasiWorkers.delete(worker)␊ }␊ }␊ ␊ const finish = () => {␊ if (cleanupErrors.length > 0) {␊ throw __createCleanupError(␊ cleanupErrors,␊ 'Failed to terminate WASI workers',␊ )␊ }␊ }␊ return pending.length > 0 ? Promise.all(pending).then(finish) : finish()␊ }␊ ␊ function __finishWasiDisposal() {␊ const workerResult = __terminateWasiWorkers()␊ if (__isThenable(workerResult)) {␊ return Promise.resolve(workerResult).then(__completeWasiDisposal)␊ }␊ return __completeWasiDisposal()␊ }␊ ␊ function __startWasiDisposal() {␊ const destroyResult = __destroyEmnapiContext()␊ if (__isThenable(destroyResult)) {␊ return Promise.resolve(destroyResult).then(__finishWasiDisposal)␊ }␊ return __finishWasiDisposal()␊ }␊ ␊ /**␊ * Disposes this generated WASI binding.␊ *␊ * Access this function with:␊ * binding[Symbol.for('napi.rs.wasi.dispose')]()␊ */␊ function __disposeWasiBinding() {␊ if (__wasiDisposePromise) {␊ return __wasiDisposePromise␊ }␊ if (__wasiDisposed) {␊ return Promise.resolve()␊ }␊ ␊ let resolveDispose␊ let rejectDispose␊ const disposePromise = new Promise((resolve, reject) => {␊ resolveDispose = resolve␊ rejectDispose = reject␊ })␊ __wasiDisposePromise = disposePromise␊ ␊ let result␊ try {␊ result = __startWasiDisposal()␊ } catch (error) {␊ __wasiDisposePromise = undefined␊ rejectDispose(error)␊ return disposePromise␊ }␊ ␊ Promise.resolve(result).then(␊ (value) => {␊ __wasiDisposed = true␊ resolveDispose(value)␊ },␊ (error) => {␊ __wasiDisposePromise = undefined␊ rejectDispose(error)␊ },␊ )␊ return disposePromise␊ }␊ ␊ function __publishWasiDispose(exports) {␊ Object.defineProperty(exports, __wasiDisposeSymbol, {␊ configurable: false,␊ enumerable: false,␊ value: __disposeWasiBinding,␊ writable: false,␊ })␊ }␊ ␊ function __finishWasiInitializationRollback(cleanupErrors) {␊ let workerResult␊ try {␊ workerResult = __terminateWasiWorkers()␊ } catch (cleanupError) {␊ cleanupErrors.push(cleanupError)␊ return cleanupErrors␊ }␊ if (__isThenable(workerResult)) {␊ return Promise.resolve(workerResult)␊ .catch((cleanupError) => {␊ cleanupErrors.push(cleanupError)␊ })␊ .then(() => cleanupErrors)␊ }␊ return cleanupErrors␊ }␊ ␊ function __rollbackWasiInitialization() {␊ const cleanupErrors = []␊ let destroyResult␊ try {␊ destroyResult = __destroyEmnapiContext()␊ } catch (cleanupError) {␊ cleanupErrors.push(cleanupError)␊ return __finishWasiInitializationRollback(cleanupErrors)␊ }␊ if (__isThenable(destroyResult)) {␊ return Promise.resolve(destroyResult)␊ .catch((cleanupError) => {␊ cleanupErrors.push(cleanupError)␊ })␊ .then(() => __finishWasiInitializationRollback(cleanupErrors))␊ }␊ return __finishWasiInitializationRollback(cleanupErrors)␊ }␊ ␊ let __wasiModule␊ let __napiModule␊ ␊ try {␊ __emnapiContext = __emnapiCreateContext({ autoDestroy: false })␊ __emnapiContext.suppressDestroy()␊ ␊ ;({␊ instance: __napiInstance,␊ module: __wasiModule,␊ napiModule: __napiModule,␊ } = __emnapiInstantiateNapiModuleSync(__wasmFile, {␊ context: __emnapiContext,␊ asyncWorkPoolSize: 4,␊ plugins: [__emnapiAsyncWorkPlugin, __emnapiTSFNPlugin],␊ wasi: __wasi,␊ onCreateWorker() {␊ const worker = new Worker(new URL('./wasi-worker-browser.mjs', import.meta.url), {␊ type: 'module',␊ })␊ __wasiWorkers.add(worker)␊ ␊ worker.addEventListener('message', (event) => {␊ if (event.data && typeof event.data === 'object' && event.data.type === 'error') {␊ const __CustomEvent = globalThis.CustomEvent␊ if (␊ typeof globalThis.dispatchEvent === 'function' &&␊ typeof __CustomEvent === 'function'␊ ) {␊ globalThis.dispatchEvent(␊ new __CustomEvent('napi-rs-worker-error', { detail: event.data }),␊ )␊ }␊ }␊ })␊ ␊ return worker␊ },␊ overwriteImports(importObject) {␊ importObject.env = {␊ ...importObject.env,␊ ...importObject.napi,␊ ...importObject.emnapi,␊ memory: __sharedMemory,␊ }␊ return importObject␊ },␊ beforeInit({ instance }) {␊ __napiInstance = instance␊ for (const name of Object.keys(instance.exports)) {␊ if (name.startsWith('__napi_register__')) {␊ instance.exports[name]()␊ }␊ }␊ },␊ }))␊ __publishWasiDispose(__napiModule.exports)␊ } catch (error) {␊ const cleanupErrors = await __rollbackWasiInitialization()␊ throw __attachCleanupErrors(error, cleanupErrors)␊ }␊ ` ## createWasiBrowserBinding with errorEvent and fs > Snapshot 1 `import {␊ emnapiAsyncWorkPlugin as __emnapiAsyncWorkPlugin,␊ emnapiTSFNPlugin as __emnapiTSFNPlugin,␊ createOnMessage as __wasmCreateOnMessageForFsProxy,␊ instantiateNapiModuleSync as __emnapiInstantiateNapiModuleSync,␊ WASI as __WASI,␊ } from '@napi-rs/wasm-runtime'␊ import { createContext as __emnapiCreateContext } from '@emnapi/runtime'␊ import { memfs } from '@napi-rs/wasm-runtime/fs'␊ ␊ ␊ export const { fs: __fs, vol: __volume } = memfs()␊ ␊ const __wasi = new __WASI({␊ version: 'preview1',␊ fs: __fs,␊ preopens: {␊ '/': '/',␊ },␊ })␊ ␊ const __wasmUrl = new URL('./test-wasi.wasm', import.meta.url).href␊ const __wasmResponse = await globalThis.fetch(__wasmUrl)␊ if (!__wasmResponse.ok) {␊ throw new Error(␊ 'Failed to fetch WASI module ' +␊ __wasmUrl +␊ ': ' +␊ __wasmResponse.status +␊ ' ' +␊ (__wasmResponse.statusText || 'Unknown Status'),␊ )␊ }␊ const __wasmFile = await __wasmResponse.arrayBuffer()␊ ␊ const __sharedMemory = new WebAssembly.Memory({␊ initial: 4000,␊ maximum: 65536,␊ shared: true,␊ })␊ ␊ let __emnapiContext␊ ␊ const __wasiDisposeSymbol = Symbol.for('napi.rs.wasi.dispose')␊ const __wasiWorkers = new Set()␊ let __napiInstance␊ let __emnapiContextDestroyed = false␊ let __emnapiContextDestroyPromise␊ let __emnapiWasmEnvCleanupPrepared = false␊ let __wasiDisposed = false␊ let __wasiDisposePromise␊ let __completeWasiDisposal = function() {}␊ ␊ function __isThenable(value) {␊ return (␊ value !== null &&␊ (typeof value === 'object' || typeof value === 'function') &&␊ typeof value.then === 'function'␊ )␊ }␊ ␊ function __createCleanupError(errors, message) {␊ if (errors.length === 1) {␊ return errors[0]␊ }␊ const __AggregateError = globalThis.AggregateError␊ if (typeof __AggregateError === 'function') {␊ return new __AggregateError(errors, message)␊ }␊ const error = new Error(message)␊ error.errors = errors␊ return error␊ }␊ ␊ function __attachCleanupErrors(error, cleanupErrors) {␊ if (cleanupErrors.length === 0) {␊ return error␊ }␊ const cleanupError = __createCleanupError(␊ cleanupErrors,␊ 'WASI binding cleanup failed',␊ )␊ try {␊ if (␊ error &&␊ (typeof error === 'object' || typeof error === 'function')␊ ) {␊ if (error.cause === undefined) {␊ error.cause = cleanupError␊ if (error.cause === cleanupError) {␊ return error␊ }␊ }␊ if (Array.isArray(error.cleanupErrors)) {␊ error.cleanupErrors.push(cleanupError)␊ return error␊ } else {␊ const attachedCleanupErrors = [cleanupError]␊ error.cleanupErrors = attachedCleanupErrors␊ if (error.cleanupErrors === attachedCleanupErrors) {␊ return error␊ }␊ }␊ }␊ } catch {}␊ const aggregate = __createCleanupError(␊ [error, cleanupError],␊ 'WASI binding initialization and cleanup failed',␊ )␊ try {␊ aggregate.cause = error␊ } catch {}␊ return aggregate␊ }␊ ␊ function __prepareWasmEnvCleanup() {␊ if (__emnapiWasmEnvCleanupPrepared) {␊ return␊ }␊ const prepare = __napiInstance?.exports?.napi_prepare_wasm_env_cleanup␊ if (typeof prepare === 'function') {␊ prepare()␊ }␊ __emnapiWasmEnvCleanupPrepared = true␊ }␊ ␊ function __destroyEmnapiContext() {␊ if (__emnapiContextDestroyed || __emnapiContext === undefined) {␊ __emnapiContextDestroyed = true␊ return␊ }␊ if (__emnapiContextDestroyPromise) {␊ return __emnapiContextDestroyPromise␊ }␊ ␊ __prepareWasmEnvCleanup()␊ const result = __emnapiContext.destroy()␊ if (!__isThenable(result)) {␊ __emnapiContextDestroyed = true␊ return␊ }␊ ␊ const destroyPromise = Promise.resolve(result).then(␊ (value) => {␊ __emnapiContextDestroyed = true␊ return value␊ },␊ (error) => {␊ __emnapiContextDestroyPromise = undefined␊ throw error␊ },␊ )␊ __emnapiContextDestroyPromise = destroyPromise␊ return destroyPromise␊ }␊ ␊ function __terminateWasiWorkers() {␊ const cleanupErrors = []␊ const pending = []␊ ␊ for (const worker of __wasiWorkers) {␊ let result␊ try {␊ result = worker.terminate()␊ } catch (error) {␊ cleanupErrors.push(error)␊ continue␊ }␊ if (__isThenable(result)) {␊ pending.push(␊ Promise.resolve(result).then(␊ () => {␊ __wasiWorkers.delete(worker)␊ },␊ (error) => {␊ cleanupErrors.push(error)␊ },␊ ),␊ )␊ } else {␊ __wasiWorkers.delete(worker)␊ }␊ }␊ ␊ const finish = () => {␊ if (cleanupErrors.length > 0) {␊ throw __createCleanupError(␊ cleanupErrors,␊ 'Failed to terminate WASI workers',␊ )␊ }␊ }␊ return pending.length > 0 ? Promise.all(pending).then(finish) : finish()␊ }␊ ␊ function __finishWasiDisposal() {␊ const workerResult = __terminateWasiWorkers()␊ if (__isThenable(workerResult)) {␊ return Promise.resolve(workerResult).then(__completeWasiDisposal)␊ }␊ return __completeWasiDisposal()␊ }␊ ␊ function __startWasiDisposal() {␊ const destroyResult = __destroyEmnapiContext()␊ if (__isThenable(destroyResult)) {␊ return Promise.resolve(destroyResult).then(__finishWasiDisposal)␊ }␊ return __finishWasiDisposal()␊ }␊ ␊ /**␊ * Disposes this generated WASI binding.␊ *␊ * Access this function with:␊ * binding[Symbol.for('napi.rs.wasi.dispose')]()␊ */␊ function __disposeWasiBinding() {␊ if (__wasiDisposePromise) {␊ return __wasiDisposePromise␊ }␊ if (__wasiDisposed) {␊ return Promise.resolve()␊ }␊ ␊ let resolveDispose␊ let rejectDispose␊ const disposePromise = new Promise((resolve, reject) => {␊ resolveDispose = resolve␊ rejectDispose = reject␊ })␊ __wasiDisposePromise = disposePromise␊ ␊ let result␊ try {␊ result = __startWasiDisposal()␊ } catch (error) {␊ __wasiDisposePromise = undefined␊ rejectDispose(error)␊ return disposePromise␊ }␊ ␊ Promise.resolve(result).then(␊ (value) => {␊ __wasiDisposed = true␊ resolveDispose(value)␊ },␊ (error) => {␊ __wasiDisposePromise = undefined␊ rejectDispose(error)␊ },␊ )␊ return disposePromise␊ }␊ ␊ function __publishWasiDispose(exports) {␊ Object.defineProperty(exports, __wasiDisposeSymbol, {␊ configurable: false,␊ enumerable: false,␊ value: __disposeWasiBinding,␊ writable: false,␊ })␊ }␊ ␊ function __finishWasiInitializationRollback(cleanupErrors) {␊ let workerResult␊ try {␊ workerResult = __terminateWasiWorkers()␊ } catch (cleanupError) {␊ cleanupErrors.push(cleanupError)␊ return cleanupErrors␊ }␊ if (__isThenable(workerResult)) {␊ return Promise.resolve(workerResult)␊ .catch((cleanupError) => {␊ cleanupErrors.push(cleanupError)␊ })␊ .then(() => cleanupErrors)␊ }␊ return cleanupErrors␊ }␊ ␊ function __rollbackWasiInitialization() {␊ const cleanupErrors = []␊ let destroyResult␊ try {␊ destroyResult = __destroyEmnapiContext()␊ } catch (cleanupError) {␊ cleanupErrors.push(cleanupError)␊ return __finishWasiInitializationRollback(cleanupErrors)␊ }␊ if (__isThenable(destroyResult)) {␊ return Promise.resolve(destroyResult)␊ .catch((cleanupError) => {␊ cleanupErrors.push(cleanupError)␊ })␊ .then(() => __finishWasiInitializationRollback(cleanupErrors))␊ }␊ return __finishWasiInitializationRollback(cleanupErrors)␊ }␊ ␊ let __wasiModule␊ let __napiModule␊ ␊ try {␊ __emnapiContext = __emnapiCreateContext({ autoDestroy: false })␊ __emnapiContext.suppressDestroy()␊ ␊ ;({␊ instance: __napiInstance,␊ module: __wasiModule,␊ napiModule: __napiModule,␊ } = __emnapiInstantiateNapiModuleSync(__wasmFile, {␊ context: __emnapiContext,␊ asyncWorkPoolSize: 4,␊ plugins: [__emnapiAsyncWorkPlugin, __emnapiTSFNPlugin],␊ wasi: __wasi,␊ onCreateWorker() {␊ const worker = new Worker(new URL('./wasi-worker-browser.mjs', import.meta.url), {␊ type: 'module',␊ })␊ __wasiWorkers.add(worker)␊ worker.addEventListener('message', __wasmCreateOnMessageForFsProxy(__fs))␊ ␊ worker.addEventListener('message', (event) => {␊ if (event.data && typeof event.data === 'object' && event.data.type === 'error') {␊ const __CustomEvent = globalThis.CustomEvent␊ if (␊ typeof globalThis.dispatchEvent === 'function' &&␊ typeof __CustomEvent === 'function'␊ ) {␊ globalThis.dispatchEvent(␊ new __CustomEvent('napi-rs-worker-error', { detail: event.data }),␊ )␊ }␊ }␊ })␊ ␊ return worker␊ },␊ overwriteImports(importObject) {␊ importObject.env = {␊ ...importObject.env,␊ ...importObject.napi,␊ ...importObject.emnapi,␊ memory: __sharedMemory,␊ }␊ return importObject␊ },␊ beforeInit({ instance }) {␊ __napiInstance = instance␊ for (const name of Object.keys(instance.exports)) {␊ if (name.startsWith('__napi_register__')) {␊ instance.exports[name]()␊ }␊ }␊ },␊ }))␊ __publishWasiDispose(__napiModule.exports)␊ } catch (error) {␊ const cleanupErrors = await __rollbackWasiInitialization()␊ throw __attachCleanupErrors(error, cleanupErrors)␊ }␊ ` ## createWasiBrowserWorkerBinding default > Snapshot 1 `import {␊ instantiateNapiModuleSync,␊ MessageHandler,␊ WASI,␊ emnapiAsyncWorkPlugin,␊ emnapiTSFNPlugin,␊ } from '@napi-rs/wasm-runtime'␊ ␊ const handler = new MessageHandler({␊ onLoad({ wasmModule, wasmMemory }) {␊ const wasi = new WASI({␊ print: function () {␊ // eslint-disable-next-line no-console␊ console.log.apply(console, arguments)␊ },␊ printErr: function() {␊ // eslint-disable-next-line no-console␊ console.error.apply(console, arguments)␊ ␊ },␊ })␊ return instantiateNapiModuleSync(wasmModule, {␊ childThread: true,␊ wasi,␊ // The wasm links a "basic" emnapi archive (no C async-work /␊ // threadsafe-function implementations), so every thread that␊ // instantiates it must provide the JavaScript implementations␊ // through the emnapi plugins.␊ plugins: [emnapiAsyncWorkPlugin, emnapiTSFNPlugin],␊ overwriteImports(importObject) {␊ importObject.env = {␊ ...importObject.env,␊ ...importObject.napi,␊ ...importObject.emnapi,␊ memory: wasmMemory,␊ }␊ },␊ })␊ },␊ ␊ })␊ ␊ globalThis.onmessage = function (e) {␊ handler.handle(e)␊ }␊ ` ## createWasiBrowserWorkerBinding with errorEvent > Snapshot 1 `import {␊ instantiateNapiModuleSync,␊ MessageHandler,␊ WASI,␊ emnapiAsyncWorkPlugin,␊ emnapiTSFNPlugin,␊ } from '@napi-rs/wasm-runtime'␊ ␊ const errorOutputs = []␊ ␊ const handler = new MessageHandler({␊ onLoad({ wasmModule, wasmMemory }) {␊ const wasi = new WASI({␊ print: function () {␊ // eslint-disable-next-line no-console␊ console.log.apply(console, arguments)␊ },␊ printErr: function() {␊ // eslint-disable-next-line no-console␊ console.error.apply(console, arguments)␊ ␊ errorOutputs.push([...arguments])␊ },␊ })␊ return instantiateNapiModuleSync(wasmModule, {␊ childThread: true,␊ wasi,␊ // The wasm links a "basic" emnapi archive (no C async-work /␊ // threadsafe-function implementations), so every thread that␊ // instantiates it must provide the JavaScript implementations␊ // through the emnapi plugins.␊ plugins: [emnapiAsyncWorkPlugin, emnapiTSFNPlugin],␊ overwriteImports(importObject) {␊ importObject.env = {␊ ...importObject.env,␊ ...importObject.napi,␊ ...importObject.emnapi,␊ memory: wasmMemory,␊ }␊ },␊ })␊ },␊ onError(error) {␊ postMessage({ type: 'error', error, errorOutputs })␊ errorOutputs.length = 0␊ }␊ })␊ ␊ globalThis.onmessage = function (e) {␊ handler.handle(e)␊ }␊ ` ## createWasiBrowserWorkerBinding with errorEvent and fs > Snapshot 1 `import {␊ instantiateNapiModuleSync,␊ MessageHandler,␊ WASI,␊ createFsProxy,␊ emnapiAsyncWorkPlugin,␊ emnapiTSFNPlugin,␊ } from '@napi-rs/wasm-runtime'␊ import { memfsExported as __memfsExported } from '@napi-rs/wasm-runtime/fs'␊ ␊ const fs = createFsProxy(__memfsExported)␊ ␊ const errorOutputs = []␊ ␊ const handler = new MessageHandler({␊ onLoad({ wasmModule, wasmMemory }) {␊ const wasi = new WASI({␊ fs,␊ preopens: {␊ '/': '/',␊ },␊ print: function () {␊ // eslint-disable-next-line no-console␊ console.log.apply(console, arguments)␊ },␊ printErr: function() {␊ // eslint-disable-next-line no-console␊ console.error.apply(console, arguments)␊ ␊ errorOutputs.push([...arguments])␊ },␊ })␊ return instantiateNapiModuleSync(wasmModule, {␊ childThread: true,␊ wasi,␊ // The wasm links a "basic" emnapi archive (no C async-work /␊ // threadsafe-function implementations), so every thread that␊ // instantiates it must provide the JavaScript implementations␊ // through the emnapi plugins.␊ plugins: [emnapiAsyncWorkPlugin, emnapiTSFNPlugin],␊ overwriteImports(importObject) {␊ importObject.env = {␊ ...importObject.env,␊ ...importObject.napi,␊ ...importObject.emnapi,␊ memory: wasmMemory,␊ }␊ },␊ })␊ },␊ onError(error) {␊ postMessage({ type: 'error', error, errorOutputs })␊ errorOutputs.length = 0␊ }␊ })␊ ␊ globalThis.onmessage = function (e) {␊ handler.handle(e)␊ }␊ `