lib/copy/copy.js: fix module loading syntax for backward compatibility

lib/copy/copy.js

@@ -1,7 +1,7 @@
 'use strict'
 
 const fs = require('graceful-fs')
-const {resolve, join, dirname, basename, sep} = require('path')
+const path = require('path')
 const mkdirp = require('../mkdirs').mkdirs
 const pathExists = require('../path-exists').pathExists
 const utimes = require('../util/utimes').utimesMillis
@@ -29,13 +29,13 @@ function copy (src, dest, opts, cb) {
     see https://github.com/jprichardson/node-fs-extra/issues/269`)
   }
 
-  src = resolve(src)
-  dest = resolve(dest)
+  src = path.resolve(src)
+  dest = path.resolve(dest)
 
   // don't allow src and dest to be the same
   if (src === dest) return cb(new Error('Source and destination must not be the same.'))
 
-  const destParent = dirname(dest)
+  const destParent = path.dirname(dest)
   pathExists(destParent, (err, dirExists) => {
     if (err) return cb(err)
     if (dirExists) return startCopy(src, dest, opts, cb)
@@ -166,7 +166,7 @@ function cpDir (src, dest, opts, cb) {
 function cpDirItems (items, src, dest, opts, cb) {
   const item = items.pop()
   if (!item) return cb()
-  startCopy(join(src, item), join(dest, item), opts, err => {
+  startCopy(path.join(src, item), path.join(dest, item), opts, err => {
     if (err) return cb(err)
     return cpDirItems(items, src, dest, opts, cb)
   })
@@ -177,7 +177,7 @@ function onLink (src, dest, opts, cb) {
     if (err) return cb(err)
 
     if (opts.dereference) {
-      resolvedSrcPath = resolve(process.cwd(), resolvedSrcPath)
+      resolvedSrcPath = path.resolve(process.cwd(), resolvedSrcPath)
     }
 
     checkDest(dest, (err, resolvedDestPath) => {
@@ -189,7 +189,7 @@ function onLink (src, dest, opts, cb) {
         return fs.symlink(resolvedSrcPath, dest, cb)
       } else {
         if (opts.dereference) {
-          resolvedDestPath = resolve(process.cwd(), resolvedDestPath)
+          resolvedDestPath = path.resolve(process.cwd(), resolvedDestPath)
         }
         if (resolvedDestPath === resolvedSrcPath) return cb()
 
@@ -233,11 +233,11 @@ function checkDest (dest, cb) {
 // return true if dest is a subdir of src, otherwise false.
 // extract dest base dir and check if that is the same as src basename
 function isSrcSubdir (src, dest) {
-  const baseDir = dest.split(dirname(src) + sep)[1]
+  const baseDir = dest.split(path.dirname(src) + path.sep)[1]
   if (baseDir) {
-    const destBasename = baseDir.split(sep)[0]
+    const destBasename = baseDir.split(path.sep)[0]
     if (destBasename) {
-      return src !== dest && dest.indexOf(src) > -1 && destBasename === basename(src)
+      return src !== dest && dest.indexOf(src) > -1 && destBasename === path.basename(src)
     }
     return false
   }