wallet-core/node_modules/fs-extra/lib/copy-sync/copy-sync.js
2017-05-24 15:11:17 +02:00

63 lines
2.3 KiB
JavaScript

'use strict'
const fs = require('graceful-fs')
const path = require('path')
const copyFileSync = require('./copy-file-sync')
const mkdir = require('../mkdirs')
function copySync (src, dest, options) {
if (typeof options === 'function' || options instanceof RegExp) {
options = {filter: options}
}
options = options || {}
options.recursive = !!options.recursive
// default to true for now
options.clobber = 'clobber' in options ? !!options.clobber : true
// overwrite falls back to clobber
options.overwrite = 'overwrite' in options ? !!options.overwrite : options.clobber
options.dereference = 'dereference' in options ? !!options.dereference : false
options.preserveTimestamps = 'preserveTimestamps' in options ? !!options.preserveTimestamps : false
options.filter = options.filter || function () { return true }
// Warn about using preserveTimestamps on 32-bit node:
if (options.preserveTimestamps && process.arch === 'ia32') {
console.warn(`fs-extra: Using the preserveTimestamps option in 32-bit node is not recommended;\n
see https://github.com/jprichardson/node-fs-extra/issues/269`)
}
const stats = (options.recursive && !options.dereference) ? fs.lstatSync(src) : fs.statSync(src)
const destFolder = path.dirname(dest)
const destFolderExists = fs.existsSync(destFolder)
let performCopy = false
if (options.filter instanceof RegExp) {
console.warn('Warning: fs-extra: Passing a RegExp filter is deprecated, use a function')
performCopy = options.filter.test(src)
} else if (typeof options.filter === 'function') performCopy = options.filter(src, dest)
if (stats.isFile() && performCopy) {
if (!destFolderExists) mkdir.mkdirsSync(destFolder)
copyFileSync(src, dest, {
overwrite: options.overwrite,
errorOnExist: options.errorOnExist,
preserveTimestamps: options.preserveTimestamps
})
} else if (stats.isDirectory() && performCopy) {
if (!fs.existsSync(dest)) mkdir.mkdirsSync(dest)
const contents = fs.readdirSync(src)
contents.forEach(content => {
const opts = options
opts.recursive = true
copySync(path.join(src, content), path.join(dest, content), opts)
})
} else if (options.recursive && stats.isSymbolicLink() && performCopy) {
const srcPath = fs.readlinkSync(src)
fs.symlinkSync(srcPath, dest)
}
}
module.exports = copySync