55 lines
1.6 KiB
JavaScript
55 lines
1.6 KiB
JavaScript
'use strict'
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const fs = require('graceful-fs')
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const path = require('path')
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const ncp = require('./ncp')
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const mkdir = require('../mkdirs')
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const pathExists = require('../path-exists').pathExists
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function copy (src, dest, options, callback) {
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if (typeof options === 'function' && !callback) {
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callback = options
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options = {}
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} else if (typeof options === 'function' || options instanceof RegExp) {
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options = {filter: options}
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}
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callback = callback || function () {}
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options = options || {}
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// Warn about using preserveTimestamps on 32-bit node:
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if (options.preserveTimestamps && process.arch === 'ia32') {
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console.warn(`fs-extra: Using the preserveTimestamps option in 32-bit node is not recommended;\n
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see https://github.com/jprichardson/node-fs-extra/issues/269`)
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}
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// don't allow src and dest to be the same
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const basePath = process.cwd()
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const currentPath = path.resolve(basePath, src)
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const targetPath = path.resolve(basePath, dest)
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if (currentPath === targetPath) return callback(new Error('Source and destination must not be the same.'))
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fs.lstat(src, (err, stats) => {
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if (err) return callback(err)
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let dir = null
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if (stats.isDirectory()) {
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const parts = dest.split(path.sep)
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parts.pop()
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dir = parts.join(path.sep)
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} else {
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dir = path.dirname(dest)
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}
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pathExists(dir, (err, dirExists) => {
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if (err) return callback(err)
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if (dirExists) return ncp(src, dest, options, callback)
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mkdir.mkdirs(dir, err => {
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if (err) return callback(err)
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ncp(src, dest, options, callback)
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})
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})
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})
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}
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module.exports = copy
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