feat(jsonwebtoken): support wasm32-wasi target (#798)

.github/workflows/ci.yaml

@@ -102,7 +102,7 @@ jobs:
             build: yarn build --target aarch64-pc-windows-msvc
           - host: ubuntu-latest
             target: 'wasm32-wasi-preview1-threads'
-            build: yarn workspaces foreach -A --no-private -j 1 --exclude "@node-rs/{jsonwebtoken,deno-lint}" run build --target wasm32-wasi-preview1-threads
+            build: yarn workspaces foreach -A --no-private -j 1 --exclude "@node-rs/deno-lint" run build --target wasm32-wasi-preview1-threads
 
     name: stable - ${{ matrix.settings.target }} - node@20
     runs-on: ${{ matrix.settings.host }}

packages/jsonwebtoken/browser.js

@@ -0,0 +1 @@
+export * from '@node-rs/jsonwebtoken-wasm32-wasi'

packages/jsonwebtoken/jsonwebtoken.wasi-browser.js

@@ -0,0 +1,75 @@
+import {
+  instantiateNapiModuleSync as __emnapiInstantiateNapiModuleSync,
+  getDefaultContext as __emnapiGetDefaultContext,
+  WASI as __WASI,
+} from '@napi-rs/wasm-runtime'
+import { Volume as __Volume, createFsFromVolume as __createFsFromVolume } from '@napi-rs/wasm-runtime/fs'
+
+import __wasmUrl from './jsonwebtoken.wasm32-wasi.wasm?url'
+
+const __fs = __createFsFromVolume(
+  __Volume.fromJSON({
+    '/': null,
+  }),
+)
+
+const __wasi = new __WASI({
+  version: 'preview1',
+  fs: __fs,
+})
+
+const __emnapiContext = __emnapiGetDefaultContext()
+
+const __sharedMemory = new WebAssembly.Memory({
+  initial: 1024,
+  maximum: 10240,
+  shared: true,
+})
+
+const __wasmFile = await fetch(__wasmUrl).then((res) => res.arrayBuffer())
+
+const {
+  instance: __napiInstance,
+  module: __wasiModule,
+  napiModule: __napiModule,
+} = __emnapiInstantiateNapiModuleSync(__wasmFile, {
+  context: __emnapiContext,
+  asyncWorkPoolSize: 4,
+  wasi: __wasi,
+  onCreateWorker() {
+    return new Worker(new URL('./wasi-worker-browser.mjs', import.meta.url), {
+      type: 'module',
+    })
+  },
+  overwriteImports(importObject) {
+    importObject.env = {
+      ...importObject.env,
+      ...importObject.napi,
+      ...importObject.emnapi,
+      memory: __sharedMemory,
+    }
+    return importObject
+  },
+  beforeInit({ instance }) {
+    __napi_rs_initialize_modules(instance)
+  },
+})
+
+function __napi_rs_initialize_modules(__napiInstance) {
+  __napiInstance.exports['__napi_register__Algorithm_0']?.()
+  __napiInstance.exports['__napi_register__decode_header_1']?.()
+  __napiInstance.exports['__napi_register__Header_struct_2']?.()
+  __napiInstance.exports['__napi_register__SignTask_impl_3']?.()
+  __napiInstance.exports['__napi_register__sign_4']?.()
+  __napiInstance.exports['__napi_register__sign_sync_5']?.()
+  __napiInstance.exports['__napi_register__Validation_struct_6']?.()
+  __napiInstance.exports['__napi_register__VerifyTask_impl_7']?.()
+  __napiInstance.exports['__napi_register__verify_8']?.()
+  __napiInstance.exports['__napi_register__verify_sync_9']?.()
+}
+export const Algorithm = __napiModule.exports.Algorithm
+export const decodeHeader = __napiModule.exports.decodeHeader
+export const sign = __napiModule.exports.sign
+export const signSync = __napiModule.exports.signSync
+export const verify = __napiModule.exports.verify
+export const verifySync = __napiModule.exports.verifySync

packages/jsonwebtoken/jsonwebtoken.wasi.cjs

@@ -0,0 +1,91 @@
+/* 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 {
+  instantiateNapiModuleSync: __emnapiInstantiateNapiModuleSync,
+  getDefaultContext: __emnapiGetDefaultContext,
+} = require('@napi-rs/wasm-runtime')
+
+const __wasi = new __nodeWASI({
+  version: 'preview1',
+  env: process.env,
+  preopens: {
+    '/': '/'
+  }
+})
+
+const __emnapiContext = __emnapiGetDefaultContext()
+
+const __sharedMemory = new WebAssembly.Memory({
+  initial: 1024,
+  maximum: 10240,
+  shared: true,
+})
+
+let __wasmFilePath = __nodePath.join(__dirname, 'jsonwebtoken.wasm32-wasi.wasm')
+
+if (!__nodeFs.existsSync(__wasmFilePath)) {
+  try {
+    __wasmFilePath = __nodePath.resolve('@node-rs/jsonwebtoken-wasm32-wasi')
+  } catch {
+    throw new Error('Cannot find jsonwebtoken.wasm32-wasi.wasm file, and @node-rs/jsonwebtoken-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
+    }
+  })(),
+  wasi: __wasi,
+  onCreateWorker() {
+    return new Worker(__nodePath.join(__dirname, 'wasi-worker.mjs'), {
+      env: process.env,
+      execArgv: ['--experimental-wasi-unstable-preview1'],
+    })
+  },
+  overwriteImports(importObject) {
+    importObject.env = {
+      ...importObject.env,
+      ...importObject.napi,
+      ...importObject.emnapi,
+      memory: __sharedMemory,
+    }
+    return importObject
+  },
+  beforeInit({ instance }) {
+    __napi_rs_initialize_modules(instance)
+  }
+})
+
+function __napi_rs_initialize_modules(__napiInstance) {
+  __napiInstance.exports['__napi_register__Algorithm_0']?.()
+  __napiInstance.exports['__napi_register__decode_header_1']?.()
+  __napiInstance.exports['__napi_register__Header_struct_2']?.()
+  __napiInstance.exports['__napi_register__SignTask_impl_3']?.()
+  __napiInstance.exports['__napi_register__sign_4']?.()
+  __napiInstance.exports['__napi_register__sign_sync_5']?.()
+  __napiInstance.exports['__napi_register__Validation_struct_6']?.()
+  __napiInstance.exports['__napi_register__VerifyTask_impl_7']?.()
+  __napiInstance.exports['__napi_register__verify_8']?.()
+  __napiInstance.exports['__napi_register__verify_sync_9']?.()
+}
+module.exports.Algorithm = __napiModule.exports.Algorithm
+module.exports.decodeHeader = __napiModule.exports.decodeHeader
+module.exports.sign = __napiModule.exports.sign
+module.exports.signSync = __napiModule.exports.signSync
+module.exports.verify = __napiModule.exports.verify
+module.exports.verifySync = __napiModule.exports.verifySync

packages/jsonwebtoken/npm/wasm32-wasi/README.md

@@ -0,0 +1,3 @@
+# `@node-rs/jsonwebtoken-wasm32-wasi`
+
+This is the **wasm32-wasi-preview1-threads** binary for `@node-rs/jsonwebtoken`

packages/jsonwebtoken/npm/wasm32-wasi/package.json

@@ -0,0 +1,47 @@
+{
+  "name": "@node-rs/jsonwebtoken-wasm32-wasi",
+  "version": "0.4.0",
+  "cpu": [
+    "wasm32"
+  ],
+  "main": "jsonwebtoken.wasi.cjs",
+  "files": [
+    "jsonwebtoken.wasm32-wasi.wasm",
+    "jsonwebtoken.wasi.cjs",
+    "jsonwebtoken.wasi-browser.js",
+    "wasi-worker.mjs",
+    "wasi-worker-browser.mjs"
+  ],
+  "description": "Rust jsonwebtoken binding for Node.js",
+  "keywords": [
+    "jsonwebtoken",
+    "jwt",
+    "napi-rs",
+    "node-rs"
+  ],
+  "author": {
+    "name": "Francesco Benedetto",
+    "url": "https://github.com/nebarf",
+    "email": "[email protected]"
+  },
+  "homepage": "https://github.com/napi-rs/node-rs#readme",
+  "license": "MIT",
+  "engines": {
+    "node": ">=14.0.0"
+  },
+  "publishConfig": {
+    "registry": "https://registry.npmjs.org/",
+    "access": "public"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/napi-rs/node-rs.git"
+  },
+  "bugs": {
+    "url": "https://github.com/napi-rs/node-rs/issues"
+  },
+  "browser": "jsonwebtoken.wasi-browser.js",
+  "dependencies": {
+    "@napi-rs/wasm-runtime": "^0.1.1"
+  }
+}

packages/jsonwebtoken/package.json

@@ -31,7 +31,8 @@
       "x86_64-unknown-linux-musl",
       "x86_64-unknown-freebsd",
       "i686-pc-windows-msvc",
-      "armv7-linux-androideabi"
+      "armv7-linux-androideabi",
+      "wasm32-wasi-preview1-threads"
     ]
   },
   "repository": {

packages/jsonwebtoken/wasi-worker-browser.mjs

@@ -0,0 +1,40 @@
+import { instantiateNapiModuleSync, MessageHandler, WASI } from '@napi-rs/wasm-runtime'
+import { Volume, createFsFromVolume } from '@napi-rs/wasm-runtime/fs'
+
+const fs = createFsFromVolume(
+  Volume.fromJSON({
+    '/': null,
+  }),
+)
+
+const handler = new MessageHandler({
+  onLoad({ wasmModule, wasmMemory }) {
+    const wasi = new WASI({
+      fs,
+      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,
+      overwriteImports(importObject) {
+        importObject.env = {
+          ...importObject.env,
+          ...importObject.napi,
+          ...importObject.emnapi,
+          memory: wasmMemory,
+        }
+      },
+    })
+  },
+})
+
+globalThis.onmessage = function (e) {
+  handler.handle(e)
+}

packages/jsonwebtoken/wasi-worker.mjs

@@ -0,0 +1,50 @@
+import fs from "node:fs";
+import { createRequire } from "node:module";
+import { parentPort, Worker } from "node:worker_threads";
+
+import { instantiateNapiModuleSync, MessageHandler, WASI } from "@napi-rs/wasm-runtime";
+
+const require = createRequire(import.meta.url);
+
+if (parentPort) {
+  parentPort.on("message", (data) => {
+    globalThis.onmessage({ data });
+  });
+}
+
+Object.assign(globalThis, {
+  self: globalThis,
+  require,
+  Worker,
+  importScripts: function (f) {
+    ;(0, eval)(fs.readFileSync(f, "utf8") + "//# sourceURL=" + f);
+  },
+  postMessage: function (msg) {
+    if (parentPort) {
+      parentPort.postMessage(msg);
+    }
+  },
+});
+
+const handler = new MessageHandler({
+  onLoad({ wasmModule, wasmMemory }) {
+    const wasi = new WASI({ fs });
+
+    return instantiateNapiModuleSync(wasmModule, {
+      childThread: true,
+      wasi,
+      overwriteImports(importObject) {
+        importObject.env = {
+          ...importObject.env,
+          ...importObject.napi,
+          ...importObject.emnapi,
+          memory: wasmMemory
+        };
+      },
+    });
+  },
+});
+
+globalThis.onmessage = function (e) {
+  handler.handle(e);
+};