| 'use strict' |
| |
| const u = require('universalify').fromCallback |
| const path = require('path') |
| const fs = require('graceful-fs') |
| const _mkdirs = require('../mkdirs') |
| const mkdirs = _mkdirs.mkdirs |
| const mkdirsSync = _mkdirs.mkdirsSync |
| |
| const _symlinkPaths = require('./symlink-paths') |
| const symlinkPaths = _symlinkPaths.symlinkPaths |
| const symlinkPathsSync = _symlinkPaths.symlinkPathsSync |
| |
| const _symlinkType = require('./symlink-type') |
| const symlinkType = _symlinkType.symlinkType |
| const symlinkTypeSync = _symlinkType.symlinkTypeSync |
| |
| const pathExists = require('../path-exists').pathExists |
| |
| function createSymlink (srcpath, dstpath, type, callback) { |
| callback = (typeof type === 'function') ? type : callback |
| type = (typeof type === 'function') ? false : type |
| |
| pathExists(dstpath, (err, destinationExists) => { |
| if (err) return callback(err) |
| if (destinationExists) return callback(null) |
| symlinkPaths(srcpath, dstpath, (err, relative) => { |
| if (err) return callback(err) |
| srcpath = relative.toDst |
| symlinkType(relative.toCwd, type, (err, type) => { |
| if (err) return callback(err) |
| const dir = path.dirname(dstpath) |
| pathExists(dir, (err, dirExists) => { |
| if (err) return callback(err) |
| if (dirExists) return fs.symlink(srcpath, dstpath, type, callback) |
| mkdirs(dir, err => { |
| if (err) return callback(err) |
| fs.symlink(srcpath, dstpath, type, callback) |
| }) |
| }) |
| }) |
| }) |
| }) |
| } |
| |
| function createSymlinkSync (srcpath, dstpath, type) { |
| const destinationExists = fs.existsSync(dstpath) |
| if (destinationExists) return undefined |
| |
| const relative = symlinkPathsSync(srcpath, dstpath) |
| srcpath = relative.toDst |
| type = symlinkTypeSync(relative.toCwd, type) |
| const dir = path.dirname(dstpath) |
| const exists = fs.existsSync(dir) |
| if (exists) return fs.symlinkSync(srcpath, dstpath, type) |
| mkdirsSync(dir) |
| return fs.symlinkSync(srcpath, dstpath, type) |
| } |
| |
| module.exports = { |
| createSymlink: u(createSymlink), |
| createSymlinkSync |
| } |