Standalone: Introduce @herb-tools/standalone package for CLI

Author: marcoroth

javascript/packages/standalone/package.json

@@ -0,0 +1,33 @@
+{
+  "name": "@herb-tools/standalone",
+  "version": "0.7.5",
+  "description": "Standalone executables for Herb CLI (no Node.js required)",
+  "license": "MIT",
+  "private": true,
+  "homepage": "https://herb-tools.dev",
+  "bugs": "https://github.com/marcoroth/herb/issues/new?title=Package%20%60@herb-tools/standalone%60:%20",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/marcoroth/herb.git",
+    "directory": "javascript/packages/standalone"
+  },
+  "bin": {
+    "herb": "./dist/index.mjs"
+  },
+  "scripts": {
+    "build": "bun ./scripts/build.ts"
+  },
+  "dependencies": {
+    "@herb-tools/cli": "0.7.5",
+    "detect-libc": "1.0.3"
+  },
+  "devDependencies": {
+    "@types/bun": "^1.3.0",
+    "bun": "^1.3.0"
+  },
+  "files": [
+    "package.json",
+    "README.md",
+    "dist/"
+  ]
+}

javascript/packages/standalone/scripts/build.ts

@@ -0,0 +1,76 @@
+import { $ } from 'bun'
+import { mkdir, writeFile } from 'node:fs/promises'
+import { createHash } from 'node:crypto'
+import { readFileSync } from 'node:fs'
+import { resolve } from 'node:path'
+
+const packageJson = JSON.parse(readFileSync(resolve(import.meta.dir, '../package.json'), 'utf-8'))
+const version = packageJson.version
+
+async function buildForPlatform(triple: string, outfile: string) {
+  console.log(`Building for ${triple}...`)
+
+  for (let i = 0; i < 5; ++i) {
+    try {
+      let cmd = $`bun build --compile --target=${triple} ./src/index.ts --outfile=${outfile} --env inline --define __VERSION__=${JSON.stringify(version)}`
+
+      cmd = cmd.env({
+        PLATFORM_LIBC: triple.includes('-musl') ? 'musl' : 'glibc',
+      })
+
+      await cmd
+      console.log(`✓ Built ${outfile}`)
+      return
+    } catch (err) {
+      if (i < 4) {
+        console.log(`  Retry ${i + 1}/5 for ${triple}`)
+        continue
+      }
+      throw new Error(`Failed to build for platform ${triple}`, { cause: err })
+    }
+  }
+}
+
+function sha256(filePath: string): string {
+  const content = readFileSync(filePath)
+  return createHash('sha256').update(content).digest('hex')
+}
+
+async function main() {
+  await mkdir('dist', { recursive: true })
+
+  const builds = [
+    ['bun-linux-arm64', './dist/herb-linux-arm64'],
+    ['bun-linux-arm64-musl', './dist/herb-linux-arm64-musl'],
+    ['bun-linux-x64-baseline', './dist/herb-linux-x64'],
+    ['bun-linux-x64-musl-baseline', './dist/herb-linux-x64-musl'],
+    ['bun-darwin-arm64', './dist/herb-macos-arm64'],
+    ['bun-darwin-x64-baseline', './dist/herb-macos-x64'],
+    ['bun-windows-x64-baseline', './dist/herb-windows-x64.exe'],
+  ] as const
+
+  await Promise.all(
+    builds.map(([triple, outfile]) => buildForPlatform(triple, outfile))
+  )
+
+  console.log('\nGenerating checksums...')
+  const sums: string[] = []
+
+  for (const [, outfile] of builds) {
+    const hash = sha256(outfile)
+    const filename = outfile.split('/').pop()!
+    sums.push(`${hash}  ${filename}`)
+    console.log(`  ${filename}: ${hash}`)
+  }
+
+  const sumsFile = resolve('dist', 'SHA256SUMS')
+  await writeFile(sumsFile, sums.join('\n') + '\n')
+  console.log(`\n✓ Checksums written to ${sumsFile}`)
+
+  console.log('\n✓ All builds completed successfully')
+}
+
+main().catch((err) => {
+  console.error('Build failed:', err)
+  process.exit(1)
+})

javascript/packages/standalone/src/index.ts

@@ -0,0 +1,30 @@
+import { Herb } from '@herb-tools/node-wasm'
+import packageJson from '../package.json'
+
+await Herb.load()
+
+globalThis.__herb_version = packageJson.version
+
+Bun.plugin({
+  name: 'bundle-herb-apis',
+  target: 'bun',
+  async setup(build) {
+    let bundled = {
+      '@herb-tools/core': await import('@herb-tools/core'),
+      '@herb-tools/linter': await import('@herb-tools/linter'),
+      '@herb-tools/formatter': await import('@herb-tools/formatter'),
+      '@herb-tools/printer': await import('@herb-tools/printer'),
+      '@herb-tools/highlighter': await import('@herb-tools/highlighter'),
+      '@herb-tools/node-wasm': await import('@herb-tools/node-wasm'),
+    }
+
+    for (let [id, exports] of Object.entries(bundled)) {
+      build.module(id, () => ({
+        loader: 'object',
+        exports: { ...exports, __esModule: true }
+      }))
+    }
+  }
+})
+
+await import('@herb-tools/cli/src/index.ts')