release: opensource snapshot 2026-02-27 19:25:00

scripts/guards/file-line-count-guard.mjs

@@ -0,0 +1,89 @@
+#!/usr/bin/env node
+import fs from 'fs'
+import path from 'path'
+
+const ROOT = process.cwd()
+
+const RULES = [
+  {
+    label: 'component',
+    dir: 'src',
+    include: (relPath) =>
+      relPath.includes('/components/')
+      && /\.(ts|tsx)$/.test(relPath),
+    limit: 500,
+  },
+  {
+    label: 'hook',
+    dir: 'src',
+    include: (relPath) =>
+      (relPath.includes('/hooks/') || /\/use[A-Z].+\.(ts|tsx)$/.test(relPath))
+      && /\.(ts|tsx)$/.test(relPath),
+    limit: 400,
+  },
+  {
+    label: 'worker-handler',
+    dir: 'src/lib/workers/handlers',
+    include: (relPath) => /\.(ts|tsx)$/.test(relPath),
+    limit: 300,
+  },
+  {
+    label: 'mutation',
+    dir: 'src/lib/query/mutations',
+    include: (relPath) => /\.(ts|tsx)$/.test(relPath) && !relPath.endsWith('/index.ts'),
+    limit: 300,
+  },
+]
+
+const walkFiles = (absDir, relBase = '') => {
+  if (!fs.existsSync(absDir)) return []
+  const entries = fs.readdirSync(absDir, { withFileTypes: true })
+  const out = []
+  for (const entry of entries) {
+    const abs = path.join(absDir, entry.name)
+    const rel = path.join(relBase, entry.name).replace(/\\/g, '/')
+    if (entry.isDirectory()) {
+      out.push(...walkFiles(abs, rel))
+      continue
+    }
+    out.push({ absPath: abs, relPath: rel })
+  }
+  return out
+}
+
+const countLines = (absPath) => {
+  const raw = fs.readFileSync(absPath, 'utf8')
+  if (raw.length === 0) return 0
+  return raw.split('\n').length
+}
+
+const violations = []
+
+for (const rule of RULES) {
+  const absDir = path.join(ROOT, rule.dir)
+  const files = walkFiles(absDir, rule.dir).filter((f) => rule.include(f.relPath))
+  for (const file of files) {
+    const lineCount = countLines(file.absPath)
+    if (lineCount > rule.limit) {
+      violations.push({
+        label: rule.label,
+        relPath: file.relPath,
+        lineCount,
+        limit: rule.limit,
+      })
+    }
+  }
+}
+
+if (violations.length === 0) {
+  process.stdout.write('[file-line-count-guard] PASS\n')
+  process.exit(0)
+}
+
+process.stderr.write('[file-line-count-guard] FAIL: file size budget exceeded\n')
+for (const violation of violations) {
+  process.stderr.write(
+    `- [${violation.label}] ${violation.relPath}: ${violation.lineCount} > ${violation.limit}\n`,
+  )
+}
+process.exit(1)