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everything-claude-code/scripts/hooks/pre-bash-commit-quality.js
xingzihai b44ba7096f feat(hooks): add pre-commit quality check hook
- Add pre-bash-commit-quality.js hook script
- Runs quality checks before git commit commands:
  - Lints staged files (ESLint, Pylint, golint)
  - Validates commit message format (conventional commits)
  - Detects console.log/debugger statements
  - Warns about TODO/FIXME without issue references
  - Detects potential hardcoded secrets
- Updates hooks.json with new hook configuration
- Updates README.md with hook documentation

Cross-platform (Windows, macOS, Linux)
2026-03-26 00:28:26 +00:00

374 lines
11 KiB
JavaScript
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#!/usr/bin/env node
/**
* PreToolUse Hook: Pre-commit Quality Check
*
* Runs quality checks before git commit commands:
* - Detects staged files
* - Runs linter on staged files (if available)
* - Checks for common issues (console.log, TODO, etc.)
* - Validates commit message format (if provided)
*
* Cross-platform (Windows, macOS, Linux)
*
* Exit codes:
* 0 - Success (allow commit)
* 2 - Block commit (quality issues found)
*/
const { execSync, spawnSync } = require('child_process');
const path = require('path');
const fs = require('fs');
const MAX_STDIN = 1024 * 1024; // 1MB limit
/**
* Detect staged files for commit
* @returns {string[]} Array of staged file paths
*/
function getStagedFiles() {
try {
const output = execSync('git diff --cached --name-only --diff-filter=ACMR', {
encoding: 'utf8',
stdio: ['pipe', 'pipe', 'pipe']
});
return output.trim().split('\n').filter(f => f.length > 0);
} catch {
return [];
}
}
/**
* Check if a file should be quality-checked
* @param {string} filePath
* @returns {boolean}
*/
function shouldCheckFile(filePath) {
const checkableExtensions = ['.js', '.jsx', '.ts', '.tsx', '.py', '.go', '.rs'];
return checkableExtensions.some(ext => filePath.endsWith(ext));
}
/**
* Find issues in file content
* @param {string} filePath
* @returns {object[]} Array of issues found
*/
function findFileIssues(filePath) {
const issues = [];
try {
const content = fs.readFileSync(filePath, 'utf8');
const lines = content.split('\n');
lines.forEach((line, index) => {
const lineNum = index + 1;
// Check for console.log
if (line.includes('console.log') && !line.trim().startsWith('//') && !line.trim().startsWith('*')) {
issues.push({
type: 'console.log',
message: `console.log found at line ${lineNum}`,
line: lineNum,
severity: 'warning'
});
}
// Check for debugger statements
if (/\bdebugger\b/.test(line) && !line.trim().startsWith('//')) {
issues.push({
type: 'debugger',
message: `debugger statement at line ${lineNum}`,
line: lineNum,
severity: 'error'
});
}
// Check for TODO/FIXME without issue reference
const todoMatch = line.match(/\/\/\s*(TODO|FIXME):?\s*(.+)/);
if (todoMatch && !todoMatch[2].match(/#\d+|issue/i)) {
issues.push({
type: 'todo',
message: `TODO/FIXME without issue reference at line ${lineNum}: "${todoMatch[2].trim()}"`,
line: lineNum,
severity: 'info'
});
}
// Check for hardcoded secrets (basic patterns)
const secretPatterns = [
{ pattern: /sk-[a-zA-Z0-9]{20,}/, name: 'OpenAI API key' },
{ pattern: /ghp_[a-zA-Z0-9]{36}/, name: 'GitHub PAT' },
{ pattern: /AKIA[A-Z0-9]{16}/, name: 'AWS Access Key' },
{ pattern: /api[_-]?key\s*[=:]\s*['"][^'"]+['"]/i, name: 'API key' }
];
for (const { pattern, name } of secretPatterns) {
if (pattern.test(line)) {
issues.push({
type: 'secret',
message: `Potential ${name} exposed at line ${lineNum}`,
line: lineNum,
severity: 'error'
});
}
}
});
} catch {
// File not readable, skip
}
return issues;
}
/**
* Validate commit message format
* @param {string} command
* @returns {object|null} Validation result or null if no message to validate
*/
function validateCommitMessage(command) {
// Extract commit message from command
const messageMatch = command.match(/(?:-m|--message)[=\s]+["']?([^"']+)["']?/);
if (!messageMatch) return null;
const message = messageMatch[1];
const issues = [];
// Check conventional commit format
const conventionalCommit = /^(feat|fix|docs|style|refactor|test|chore|build|ci|perf|revert)(\(.+\))?:\s*.+/;
if (!conventionalCommit.test(message)) {
issues.push({
type: 'format',
message: 'Commit message does not follow conventional commit format',
suggestion: 'Use format: type(scope): description (e.g., "feat(auth): add login flow")'
});
}
// Check message length
if (message.length > 72) {
issues.push({
type: 'length',
message: `Commit message too long (${message.length} chars, max 72)`,
suggestion: 'Keep the first line under 72 characters'
});
}
// Check for lowercase first letter (conventional)
if (message.charAt(0) === message.charAt(0).toUpperCase() && conventionalCommit.test(message)) {
const afterColon = message.split(':')[1];
if (afterColon && afterColon.trim().charAt(0) === afterColon.trim().charAt(0).toUpperCase()) {
issues.push({
type: 'capitalization',
message: 'Subject should start with lowercase after type',
suggestion: 'Use lowercase for the first letter of the subject'
});
}
}
// Check for trailing period
if (message.endsWith('.')) {
issues.push({
type: 'punctuation',
message: 'Commit message should not end with a period',
suggestion: 'Remove the trailing period'
});
}
return { message, issues };
}
/**
* Run linter on staged files
* @param {string[]} files
* @returns {object} Lint results
*/
function runLinter(files) {
const jsFiles = files.filter(f => /\.(js|jsx|ts|tsx)$/.test(f));
const pyFiles = files.filter(f => f.endsWith('.py'));
const goFiles = files.filter(f => f.endsWith('.go'));
const results = {
eslint: null,
pylint: null,
golint: null
};
// Run ESLint if available
if (jsFiles.length > 0) {
try {
const eslintPath = path.join(process.cwd(), 'node_modules', '.bin', 'eslint');
if (fs.existsSync(eslintPath)) {
const result = spawnSync(eslintPath, ['--format', 'compact', ...jsFiles], {
encoding: 'utf8',
stdio: ['pipe', 'pipe', 'pipe'],
timeout: 30000
});
results.eslint = {
success: result.status === 0,
output: result.stdout || result.stderr
};
}
} catch {
// ESLint not available
}
}
// Run Pylint if available
if (pyFiles.length > 0) {
try {
const result = spawnSync('pylint', ['--output-format=text', ...pyFiles], {
encoding: 'utf8',
stdio: ['pipe', 'pipe', 'pipe'],
timeout: 30000
});
results.pylint = {
success: result.status === 0,
output: result.stdout || result.stderr
};
} catch {
// Pylint not available
}
}
// Run golint if available
if (goFiles.length > 0) {
try {
const result = spawnSync('golint', goFiles, {
encoding: 'utf8',
stdio: ['pipe', 'pipe', 'pipe'],
timeout: 30000
});
results.golint = {
success: !result.stdout || result.stdout.trim() === '',
output: result.stdout
};
} catch {
// golint not available
}
}
return results;
}
/**
* Core logic — exported for direct invocation
* @param {string} rawInput - Raw JSON string from stdin
* @returns {string} The original input (pass-through)
*/
function run(rawInput) {
try {
const input = JSON.parse(rawInput);
const command = input.tool_input?.command || '';
// Only run for git commit commands
if (!command.includes('git commit')) {
return rawInput;
}
// Check if this is an amend (skip checks for amends to avoid blocking)
if (command.includes('--amend')) {
return rawInput;
}
const issues = [];
const warnings = [];
// Get staged files
const stagedFiles = getStagedFiles();
if (stagedFiles.length === 0) {
console.error('[Hook] No staged files found. Use "git add" to stage files first.');
return rawInput;
}
console.error(`[Hook] Checking ${stagedFiles.length} staged file(s)...`);
// Check each staged file
const filesToCheck = stagedFiles.filter(shouldCheckFile);
let totalIssues = 0;
let errorCount = 0;
for (const file of filesToCheck) {
const fileIssues = findFileIssues(file);
if (fileIssues.length > 0) {
console.error(`\n📁 ${file}`);
for (const issue of fileIssues) {
const icon = issue.severity === 'error' ? '❌' : issue.severity === 'warning' ? '⚠️' : '';
console.error(` ${icon} Line ${issue.line}: ${issue.message}`);
totalIssues++;
if (issue.severity === 'error') errorCount++;
}
}
}
// Validate commit message if provided
const messageValidation = validateCommitMessage(command);
if (messageValidation && messageValidation.issues.length > 0) {
console.error('\n📝 Commit Message Issues:');
for (const issue of messageValidation.issues) {
console.error(` ⚠️ ${issue.message}`);
if (issue.suggestion) {
console.error(` 💡 ${issue.suggestion}`);
}
}
}
// Run linter
const lintResults = runLinter(filesToCheck);
if (lintResults.eslint && !lintResults.eslint.success) {
console.error('\n🔍 ESLint Issues:');
console.error(lintResults.eslint.output);
}
if (lintResults.pylint && !lintResults.pylint.success) {
console.error('\n🔍 Pylint Issues:');
console.error(lintResults.pylint.output);
}
if (lintResults.golint && !lintResults.golint.success) {
console.error('\n🔍 golint Issues:');
console.error(lintResults.golint.output);
}
// Summary
if (totalIssues > 0) {
console.error(`\n📊 Summary: ${totalIssues} issue(s) found (${errorCount} error(s), ${totalIssues - errorCount} warning(s))`);
if (errorCount > 0) {
console.error('\n[Hook] ❌ Commit blocked due to critical issues. Fix them before committing.');
process.exit(2);
} else {
console.error('\n[Hook] ⚠️ Warnings found. Consider fixing them, but commit is allowed.');
console.error('[Hook] To bypass these checks, use: git commit --no-verify');
}
} else {
console.error('\n[Hook] ✅ All checks passed!');
}
} catch (error) {
console.error(`[Hook] Error: ${error.message}`);
// Non-blocking on error
}
return rawInput;
}
// ── stdin entry point ────────────────────────────────────────────
if (require.main === module) {
let data = '';
process.stdin.setEncoding('utf8');
process.stdin.on('data', chunk => {
if (data.length < MAX_STDIN) {
const remaining = MAX_STDIN - data.length;
data += chunk.substring(0, remaining);
}
});
process.stdin.on('end', () => {
data = run(data);
process.stdout.write(data);
process.exit(0);
});
}
module.exports = { run };