Nodejs-遍历文件夹下所有文件```js function walkSync(currentDirPath, cal

function walkSync(currentDirPath, callback) {
  var fs = require('fs'),
    path = require('path');
  // http://nodejs.cn/api/fs.html#fsreaddirsyncpath-options
  // http://nodejs.cn/api/fs.html#class-fsdirent 新增于: v10.10.0
  fs.readdirSync(currentDirPath, { withFileTypes: true }).forEach(function(dirent) {
    var filePath = path.join(currentDirPath, dirent.name);
    if (dirent.isFile()) {
      callback(filePath, dirent);
    } else if (dirent.isDirectory()) {
      walkSync(filePath, callback);
    }
  });
}
walkSync('src', function(filePath, stat) {
  console.log(filePath);
  // src/icons/card_flight.png
  // src/icons/clock.png
  // src/icons/icon-home-edit.png
  // src/icons/iconSprites.json
  // src/index.js
  // do something with "filePath"...
});