change-version.js

#!/usr/bin/env node

'use strict'

/*!
 * Script to update version number references in the project.
 * Copyright 2017 The Bootstrap Authors
 * Copyright 2017 Twitter, Inc.
 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
 */

/* global Set */

const fs = require('fs')
const path = require('path')
const sh = require('shelljs')

sh.config.fatal = true

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

const DRY_RUN = false

function walkAsync(directory, excludedDirectories, fileCallback, errback) {
  if (excludedDirectories.has(path.parse(directory).base)) {
    return
  }
  fs.readdir(directory, (err, names) => {
    if (err) {
      errback(err)
      return
    }
    names.forEach((name) => {
      const filepath = path.join(directory, name)
      fs.lstat(filepath, (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)
  const updateFile = !DRY_RUN ? (filepath) => {
    if (allowedExtensions.has(path.parse(filepath).ext)) {
      sh.sed('-i', original, replacement, filepath)
    }
  } : (filepath) => {
    if (allowedExtensions.has(path.parse(filepath).ext)) {
      console.log(`FILE: ${filepath}`)
    }
    else {
      console.log(`EXCLUDED:${filepath}`)
    }
  }