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code_scan/scanner/js_scanner.py

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2026-03-09 09:24:08 +08:00
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
JavaScript/TypeScript 代码扫描器
使用 ESLint 进行代码质量检查
"""
import os
import json
import logging
from typing import Dict, Any, List, Optional
from scanner.base import BaseScanner
logger = logging.getLogger(__name__)
class JavaScriptScanner(BaseScanner):
"""JavaScript/TypeScript 代码扫描器"""
def __init__(self, config: Dict[str, Any]):
super().__init__(config)
self.extensions = ['.js', '.jsx', '.ts', '.tsx', '.vue', '.svelte']
def scan(self, repo_url: str, commit_id: Optional[str], branch: str) -> Dict[str, Any]:
"""
执行 JavaScript/TypeScript 代码扫描
Args:
repo_url: 仓库 URL
commit_id: 提交 ID
branch: 分支名
Returns:
扫描结果
"""
result = {
'tool': 'JavaScript Scanner',
'language': 'javascript',
'status': 'success',
'issues': [],
'summary': {
'total': 0,
'error': 0,
'warning': 0,
'info': 0
},
'files_scanned': 0
}
clone_dir = None
try:
# 克隆仓库
clone_dir = self.clone_repo(repo_url, commit_id, branch)
# 获取 JavaScript/TypeScript 文件
js_files = self.get_changed_files(clone_dir, self.extensions)
result['files_scanned'] = len(js_files)
if not js_files:
logger.info('没有找到 JavaScript/TypeScript 文件')
return result
# 运行 ESLint 扫描
eslint_result = self._run_eslint(clone_dir, js_files)
# 合并结果
result['issues'] = eslint_result.get('issues', [])[:self.max_issues] if self.detailed else eslint_result.get('issues', [])
result['summary'] = self._calculate_summary(eslint_result.get('issues', []))
result['raw_output'] = eslint_result.get('raw_output', '')
except Exception as e:
logger.error(f'JavaScript 扫描失败: {str(e)}')
result['status'] = 'error'
result['error'] = str(e)
return result
def _run_eslint(self, cwd: str, files: List[str]) -> Dict[str, Any]:
"""运行 ESLint 扫描"""
result = {
'tool': 'eslint',
'issues': [],
'raw_output': ''
}
try:
# 尝试使用 npx 运行 eslint
cmd = ['npx', 'eslint', '--format=json', '--no-eslintrc'] + files
# 如果没有 eslint 配置,先创建默认配置
eslintrc_path = os.path.join(cwd, '.eslintrc.json')
if not os.path.exists(eslintrc_path):
# 创建简单的 ESLint 配置
eslint_config = {
"env": {
"browser": True,
"es2021": True,
"node": True
},
"extends": ["eslint:recommended"],
"parserOptions": {
"ecmaVersion": "latest",
"sourceType": "module"
}
}
with open(eslintrc_path, 'w') as f:
json.dump(eslint_config, f)
output = self.run_command(cmd, cwd, timeout=120)
result['raw_output'] = output.get('stdout', '') + output.get('stderr', '')
# 解析 JSON 输出
if output.get('stdout'):
try:
eslint_results = json.loads(output['stdout'])
for file_result in eslint_results:
file_path = file_result.get('filePath', '')
messages = file_result.get('messages', [])
for msg in messages:
severity = 'error' if msg.get('severity', 0) == 2 else 'warning'
result['issues'].append({
'tool': 'eslint',
'type': severity,
'severity': 'Error' if msg.get('severity', 0) == 2 else 'Warning',
'message': msg.get('message', ''),
'file': os.path.basename(file_path),
'line': msg.get('line', 0),
'column': msg.get('column', 0),
'symbol': msg.get('ruleId', 'unknown')
})
except json.JSONDecodeError as e:
logger.warning(f'ESLint JSON 解析失败: {e}')
except Exception as e:
logger.warning(f'ESLint 运行失败: {str(e)}')
return result
def _calculate_summary(self, issues: List[Dict]) -> Dict[str, int]:
"""计算问题摘要"""
summary = {
'total': len(issues),
'error': 0,
'warning': 0,
'info': 0
}
for issue in issues:
severity = issue.get('severity', '').lower()
if severity in ['error', 'critical']:
summary['error'] += 1
elif severity in ['warning', 'moderate']:
summary['warning'] += 1
else:
summary['info'] += 1
return summary