语法检测的git脚本demo

pre-commit

#!/usr/bin/env node
const { exec } = require('child_process');
const { ESLint } = require('eslint');

function getDiffFileList() {
  return new Promise((resolve, reject) => {
    exec('git diff --cached --name-only --diff-filter=ACMR', (error, stdout) => {
      if (error) {
        reject(`exec error: ${error}`);
      }

      resolve(stdout.split('\n').filter((diffFile) => /(\.js|\.jsx|\.ts|\.tsx)(\n|$)/gi.test(diffFile)));
    });
  });
}

/**
 * @description 调用eslint api
 */
function lintFiles(fileList) {
  const eslint = new ESLint();
  return eslint.lintFiles(fileList);
}

/**
 * @description 整合并打印结果
 */
function output(resultList) {
  resultList.forEach((result) => {
    if (result.messages && result.messages.length > 0) {
      console.error(`ESLint has found problems in file: ${result.filePath}`);
      result.messages.forEach((msg) => {
        if (msg.severity === 2) {
          console.error(`Error: ${msg.message} in Line ${msg.line} Column ${msg.column}`);
        } else {
          console.warn(`Warning: ${msg.message} in Line ${msg.line} Column ${msg.column}`);
        }
      });
    }
  });
}

getDiffFileList().then(lintFiles).then(output);