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findStringInFiles.js

#!/usr/bin/env node

var path = require("path");
var fs = require("fs");

var filePath = path.resolve(__dirname, '../../src/') // process.argv[2];
var lookingForString = 'debugger' //process.argv[3];
recursiveReadFile(filePath);

function recursiveReadFile (fileName) {
  if (!fs.existsSync(fileName)) return;
  if (isFile(fileName)) {
    check(fileName);
  }
  if (isDirectory(fileName)) {
    var files = fs.readdirSync(fileName);
    files.forEach(function (val, key) {
      var temp = path.join(fileName, val);
      if (isDirectory(temp)) recursiveReadFile(temp);
      if (isFile(temp)) check(temp);
    })
  }
}
function check (fileName) {
  var data = readFile(fileName);
  var exc = new RegExp(lookingForString);
  if (exc.test(data)) {
    console.log(fileName);
    process.exit(1);
  }
}
function isDirectory (fileName) {
  if (fs.existsSync(fileName)) return fs.statSync(fileName).isDirectory();
}
function isFile (fileName) {
  if (fs.existsSync(fileName)) return fs.statSync(fileName).isFile();
}
function readFile (fileName) {
  if (fs.existsSync(fileName)) return fs.readFileSync(fileName, "utf-8");
}