TrainSignManage/WebFrame/bower_components/bootstrap/grunt/change-version.js

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#!/usr/bin/env node
'use strict';

/* globals Set */
/*!
 * Script to update version number references in the project.
 * Copyright 2015 Twitter, Inc.
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 */
var fs = require('fs');
var path = require('path');
var sh = require('shelljs');
sh.config.fatal = true;
var sed = sh.sed;

// Blame TC39... https://github.com/benjamingr/RegExp.escape/issues/37
RegExp.quote = function (string) {
  return string.replace(/[-\\^$*+?.()|[\]{}]/g, '\\$&');
};
RegExp.quoteReplacement = function (string) {
  return string.replace(/[$]/g, '$$');
};

var DRY_RUN = false;

function walkAsync(directory, excludedDirectories, fileCallback, errback) {
  if (excludedDirectories.has(path.parse(directory).base)) {
    return;
  }
  fs.readdir(directory, function (err, names) {
    if (err) {
      errback(err);
      return;
    }
    names.forEach(function (name) {
      var filepath = path.join(directory, name);
      fs.lstat(filepath, function (err, stats) {
        if (err) {
          process.nextTick(errback, err);
          return;
        }
        if (stats.isSymbolicLink()) {
          return;
        }
        else if (stats.isDirectory()) {
          process.nextTick(walkAsync, filepath, excludedDirectories, fileCallback, errback);
        }
        else if (stats.isFile()) {
          process.nextTick(fileCallback, filepath);
        }
      });
    });
  });
}

function replaceRecursively(directory, excludedDirectories, allowedExtensions, original, replacement) {
  original = new RegExp(RegExp.quote(original), 'g');
  replacement = RegExp.quoteReplacement(replacement);
  var updateFile = !DRY_RUN ? function (filepath) {
    if (allowedExtensions.has(path.parse(filepath).ext)) {