feat: support rslint-wasm (#304)

Author: hardfist

cmd/rslint/signal_unix.go

@@ -1,4 +1,4 @@
-//go:build !windows
+//go:build linux || darwin
 
 package main
 

cmd/rslint/signal_wasm.go

@@ -0,0 +1,12 @@
+//go:build js
+
+package main
+
+import (
+
+	"time"
+)
+
+func waitForDebugSignal(pollInterval time.Duration) {
+
+}

internal/api/api.go

@@ -282,6 +282,7 @@ func (s *Service) handleExit(msg *Message) {
 func (s *Service) handleLint(msg *Message) {
 	var req LintRequest
 	data, err := json.Marshal(msg.Data)
+	
 	if err != nil {
 		s.sendError(msg.ID, fmt.Sprintf("failed to marshal data: %v", err))
 		return
@@ -291,7 +292,6 @@ func (s *Service) handleLint(msg *Message) {
 		s.sendError(msg.ID, fmt.Sprintf("failed to parse lint request: %v", err))
 		return
 	}
-
 	resp, err := s.handler.HandleLint(req)
 	if err != nil {
 		s.sendError(msg.ID, err.Error())

package.json

@@ -15,6 +15,7 @@
   "scripts": {
     "build": "pnpm -r build",
     "build:npm": "zx scripts/build-npm.mjs",
+    "build:website": "pnpm -F @rslint/website... -r build",
     "check-spell": "pnpx cspell",
     "version": "zx scripts/version.mjs",
     "release": "pnpm publish -r --no-git-checks",

packages/rslint-wasm/.gitignore

@@ -0,0 +1 @@
+rslint.wasm

packages/rslint-wasm/README.md

@@ -0,0 +1,3 @@
+## rslint-wasm
+
+wasm package for running on browser.

packages/rslint-wasm/package.json

@@ -0,0 +1,33 @@
+{
+  "name": "@rslint/wasm",
+  "version": "0.1.12",
+  "description": "rslint wasm package",
+  "main": "dist/index.mjs",
+  "scripts": {
+    "build:wasm": "cross-env GOOS=js GOARCH=wasm go build  -o rslint.wasm -ldflags=\"-s -w\"  ../../cmd/rslint",
+    "build:js": "node scripts/build.mjs && tsc -b tsconfig.json",
+    "build": "pnpm run build:wasm && pnpm run build:js"
+  },
+  "files": [
+    "dist/index.mjs",
+    "dist/**.d.ts",
+    "rslint.wasm"
+  ],
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "packageManager": "[email protected]",
+  "devDependencies": {
+    "@rslint/core": "workspace:*",
+    "@wasmer/wasmfs": "0.12.0",
+    "esbuild": "^0.25.9",
+    "buffer": "^6.0.3",
+    "cross-env": "^10.0.0",
+    "esbuild-plugin-polyfill-node": "0.3.0",
+    "memfs": "^4.38.2"
+  },
+  "dependencies": {},
+  "publishConfig": {
+    "access": "public"
+  }
+}

packages/rslint-wasm/rslint.wasm

@@ -0,0 +1,43 @@
+import esbuild from 'esbuild';
+import fs from 'fs/promises';
+import path from 'path';
+import { polyfillNode } from 'esbuild-plugin-polyfill-node';
+import { fileURLToPath } from 'url';
+
+async function main() {
+  await buildWorker();
+  await buildBrowser();
+}
+async function buildWorker() {
+  await esbuild.build({
+    entryPoints: ['./src/worker.ts'],
+    bundle: true,
+    outfile: './dist/worker.js',
+    platform: 'browser',
+    target: 'es2020',
+    write: true,
+    format: 'iife',
+    sourcemap: 'inline',
+    plugins: [polyfillNode()],
+  });
+}
+async function buildBrowser() {
+  const WEB_WORKER_SOURCE_CODE = await fs.readFile(
+    path.resolve(import.meta.dirname, '../dist/worker.js'),
+    'utf8',
+  );
+  await esbuild.build({
+    entryPoints: ['./src/browser.ts'],
+    outfile: './dist/index.mjs',
+    bundle: true,
+    platform: 'browser',
+    target: 'es2020',
+    format: 'esm',
+    splitting: false,
+    define: {
+      WEB_WORKER_SOURCE_CODE: JSON.stringify(WEB_WORKER_SOURCE_CODE),
+    },
+  });
+}
+
+main();

packages/rslint-wasm/scripts/build.mjs

@@ -0,0 +1,14 @@
+import { BrowserRslintService } from '@rslint/core/browser';
+import { RSLintService } from '@rslint/core/service';
+declare const WEB_WORKER_SOURCE_CODE: string;
+export async function initialize(options: { wasmURL: string }) {
+  let blob = new Blob([WEB_WORKER_SOURCE_CODE], { type: 'text/javascript' });
+  const service = new RSLintService(
+    new BrowserRslintService({
+      workerUrl: URL.createObjectURL(blob),
+      wasmUrl: options.wasmURL,
+    }),
+  );
+
+  return service;
+}