copy-sync.js 2.1 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556
  1. var fs = require('graceful-fs')
  2. var path = require('path')
  3. var copyFileSync = require('./copy-file-sync')
  4. var mkdir = require('../mkdirs')
  5. function copySync (src, dest, options) {
  6. if (typeof options === 'function' || options instanceof RegExp) {
  7. options = {filter: options}
  8. }
  9. options = options || {}
  10. options.recursive = !!options.recursive
  11. // default to true for now
  12. options.clobber = 'clobber' in options ? !!options.clobber : true
  13. options.dereference = 'dereference' in options ? !!options.dereference : false
  14. options.preserveTimestamps = 'preserveTimestamps' in options ? !!options.preserveTimestamps : false
  15. options.filter = options.filter || function () { return true }
  16. // Warn about using preserveTimestamps on 32-bit node:
  17. if (options.preserveTimestamps && process.arch === 'ia32') {
  18. console.warn('fs-extra: Using the preserveTimestamps option in 32-bit node is not recommended;\n' +
  19. 'see https://github.com/jprichardson/node-fs-extra/issues/269')
  20. }
  21. var stats = (options.recursive && !options.dereference) ? fs.lstatSync(src) : fs.statSync(src)
  22. var destFolder = path.dirname(dest)
  23. var destFolderExists = fs.existsSync(destFolder)
  24. var performCopy = false
  25. if (stats.isFile()) {
  26. if (options.filter instanceof RegExp) {
  27. console.warn('Warning: fs-extra: Passing a RegExp filter is deprecated, use a function')
  28. performCopy = options.filter.test(src)
  29. } else if (typeof options.filter === 'function') performCopy = options.filter(src)
  30. if (performCopy) {
  31. if (!destFolderExists) mkdir.mkdirsSync(destFolder)
  32. copyFileSync(src, dest, {clobber: options.clobber, preserveTimestamps: options.preserveTimestamps})
  33. }
  34. } else if (stats.isDirectory()) {
  35. if (!fs.existsSync(dest)) mkdir.mkdirsSync(dest)
  36. var contents = fs.readdirSync(src)
  37. contents.forEach(function (content) {
  38. var opts = options
  39. opts.recursive = true
  40. copySync(path.join(src, content), path.join(dest, content), opts)
  41. })
  42. } else if (options.recursive && stats.isSymbolicLink()) {
  43. var srcPath = fs.readlinkSync(src)
  44. fs.symlinkSync(srcPath, dest)
  45. }
  46. }
  47. module.exports = copySync