clean.js

const path = require("path");
const fs = require("fs");
const ignores = [];

function walk(dir) {
  var results = [];
  var list = fs.readdirSync(dir);
  list.forEach(function (file) {
    file = path.join(dir, file);
    var stat = fs.statSync(file);
    if (stat && stat.isDirectory()) {
      results = results.concat(walk(file));
    } else {
      // 过滤后缀名（可按你需求进行新增）

      if (
        path.extname(file) === ".js" &&
        !ignores.includes(path.basename(file))
      ) {
        results.push(path.resolve(__dirname, file));
      }
    }
  });
  return results;
}

walk(path.join(__dirname, "src")).forEach((file) => fs.unlinkSync(file));