refactor(comment-checker): remove WASM fallback, use CLI-only with lazy download
- Remove tree-sitter-wasms and web-tree-sitter dependencies - Delete detector.ts (320 lines of WASM implementation) - Add downloader.ts for lazy binary download from GitHub Releases - Simplify index.ts to CLI-only mode - Cache binary at ~/.cache/oh-my-opencode/bin/ - Fall back to 'Comment checking disabled' when binary unavailable
This commit is contained in:
YeonGyu-Kim
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import { spawn } from "bun"
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import { existsSync, mkdirSync, chmodSync, unlinkSync, appendFileSync } from "fs"
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import { join } from "path"
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import { homedir } from "os"
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import { createRequire } from "module"
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const DEBUG = process.env.COMMENT_CHECKER_DEBUG === "1"
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const DEBUG_FILE = "/tmp/comment-checker-debug.log"
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function debugLog(...args: unknown[]) {
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if (DEBUG) {
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const msg = `[${new Date().toISOString()}] [comment-checker:downloader] ${args.map(a => typeof a === 'object' ? JSON.stringify(a, null, 2) : String(a)).join(' ')}\n`
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appendFileSync(DEBUG_FILE, msg)
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}
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}
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const REPO = "code-yeongyu/go-claude-code-comment-checker"
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interface PlatformInfo {
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os: string
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arch: string
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ext: "tar.gz" | "zip"
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}
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const PLATFORM_MAP: Record<string, PlatformInfo> = {
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"darwin-arm64": { os: "darwin", arch: "arm64", ext: "tar.gz" },
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"darwin-x64": { os: "darwin", arch: "amd64", ext: "tar.gz" },
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"linux-arm64": { os: "linux", arch: "arm64", ext: "tar.gz" },
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"linux-x64": { os: "linux", arch: "amd64", ext: "tar.gz" },
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"win32-x64": { os: "windows", arch: "amd64", ext: "zip" },
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}
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/**
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* Get the cache directory for oh-my-opencode binaries.
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* Follows XDG Base Directory Specification.
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*/
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export function getCacheDir(): string {
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const xdgCache = process.env.XDG_CACHE_HOME
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const base = xdgCache || join(homedir(), ".cache")
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return join(base, "oh-my-opencode", "bin")
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}
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/**
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* Get the binary name based on platform.
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*/
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export function getBinaryName(): string {
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return process.platform === "win32" ? "comment-checker.exe" : "comment-checker"
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}
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/**
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* Get the cached binary path if it exists.
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*/
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export function getCachedBinaryPath(): string | null {
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const binaryPath = join(getCacheDir(), getBinaryName())
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return existsSync(binaryPath) ? binaryPath : null
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}
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/**
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* Get the version from the installed @code-yeongyu/comment-checker package.
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*/
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function getPackageVersion(): string {
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try {
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const require = createRequire(import.meta.url)
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const pkg = require("@code-yeongyu/comment-checker/package.json")
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return pkg.version
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} catch {
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// Fallback to hardcoded version if package not found
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return "0.4.1"
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}
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}
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/**
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* Extract tar.gz archive using system tar command.
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*/
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async function extractTarGz(archivePath: string, destDir: string): Promise<void> {
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debugLog("Extracting tar.gz:", archivePath, "to", destDir)
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const proc = spawn(["tar", "-xzf", archivePath, "-C", destDir], {
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stdout: "pipe",
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stderr: "pipe",
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})
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const exitCode = await proc.exited
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if (exitCode !== 0) {
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const stderr = await new Response(proc.stderr).text()
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throw new Error(`tar extraction failed (exit ${exitCode}): ${stderr}`)
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}
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}
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/**
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* Extract zip archive using system commands.
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*/
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async function extractZip(archivePath: string, destDir: string): Promise<void> {
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debugLog("Extracting zip:", archivePath, "to", destDir)
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const proc = process.platform === "win32"
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? spawn(["powershell", "-command", `Expand-Archive -Path '${archivePath}' -DestinationPath '${destDir}' -Force`], {
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stdout: "pipe",
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stderr: "pipe",
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})
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: spawn(["unzip", "-o", archivePath, "-d", destDir], {
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stdout: "pipe",
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stderr: "pipe",
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})
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const exitCode = await proc.exited
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if (exitCode !== 0) {
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const stderr = await new Response(proc.stderr).text()
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throw new Error(`zip extraction failed (exit ${exitCode}): ${stderr}`)
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}
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}
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/**
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* Download the comment-checker binary from GitHub Releases.
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* Returns the path to the downloaded binary, or null on failure.
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*/
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export async function downloadCommentChecker(): Promise<string | null> {
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const platformKey = `${process.platform}-${process.arch}`
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const platformInfo = PLATFORM_MAP[platformKey]
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if (!platformInfo) {
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debugLog(`Unsupported platform: ${platformKey}`)
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return null
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}
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const cacheDir = getCacheDir()
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const binaryName = getBinaryName()
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const binaryPath = join(cacheDir, binaryName)
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// Already exists in cache
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if (existsSync(binaryPath)) {
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debugLog("Binary already cached at:", binaryPath)
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return binaryPath
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}
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const version = getPackageVersion()
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const { os, arch, ext } = platformInfo
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const assetName = `comment-checker_v${version}_${os}_${arch}.${ext}`
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const downloadUrl = `https://github.com/${REPO}/releases/download/v${version}/${assetName}`
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debugLog(`Downloading from: ${downloadUrl}`)
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console.log(`[oh-my-opencode] Downloading comment-checker binary...`)
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try {
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// Ensure cache directory exists
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if (!existsSync(cacheDir)) {
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mkdirSync(cacheDir, { recursive: true })
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}
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// Download with fetch() - Bun handles redirects automatically
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const response = await fetch(downloadUrl, { redirect: "follow" })
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if (!response.ok) {
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throw new Error(`HTTP ${response.status}: ${response.statusText}`)
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}
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const archivePath = join(cacheDir, assetName)
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const arrayBuffer = await response.arrayBuffer()
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await Bun.write(archivePath, arrayBuffer)
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debugLog(`Downloaded archive to: ${archivePath}`)
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// Extract based on file type
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if (ext === "tar.gz") {
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await extractTarGz(archivePath, cacheDir)
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} else {
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await extractZip(archivePath, cacheDir)
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}
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// Clean up archive
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if (existsSync(archivePath)) {
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unlinkSync(archivePath)
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}
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// Set execute permission on Unix
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if (process.platform !== "win32" && existsSync(binaryPath)) {
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chmodSync(binaryPath, 0o755)
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}
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debugLog(`Successfully downloaded binary to: ${binaryPath}`)
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console.log(`[oh-my-opencode] comment-checker binary ready.`)
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return binaryPath
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} catch (err) {
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debugLog(`Failed to download: ${err}`)
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console.error(`[oh-my-opencode] Failed to download comment-checker: ${err instanceof Error ? err.message : err}`)
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console.error(`[oh-my-opencode] Comment checking disabled.`)
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return null
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}
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}
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/**
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* Ensure the comment-checker binary is available.
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* First checks cache, then downloads if needed.
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* Returns the binary path or null if unavailable.
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*/
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export async function ensureCommentCheckerBinary(): Promise<string | null> {
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// Check cache first
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const cachedPath = getCachedBinaryPath()
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if (cachedPath) {
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debugLog("Using cached binary:", cachedPath)
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return cachedPath
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}
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// Download if not cached
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return downloadCommentChecker()
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}
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