91 lines
2.8 KiB
JavaScript
91 lines
2.8 KiB
JavaScript
var through = require('through2')
|
|
, fs = require('fs')
|
|
, p = require('path')
|
|
, rm = require('rimraf')
|
|
, mkdirp = require('mkdirp')
|
|
, gutil = require('gulp-util')
|
|
, PluginError = gutil.PluginError
|
|
, File = gutil.File
|
|
|
|
, PLUGIN_NAME = 'gulp-sym'
|
|
|
|
// Plugin level function(dealing with files)
|
|
function gulpSymlink(dest, options) {
|
|
|
|
options = typeof options == 'object' ? options : {}
|
|
options.force = options.force === undefined ? false : options.force
|
|
|
|
if (!dest) {
|
|
throw new PluginError({plugin: PLUGIN_NAME, message: "Missing destination link"})
|
|
}
|
|
|
|
if(dest instanceof Array) {
|
|
//copy array because we'll shift values
|
|
var destinations = dest.slice()
|
|
}
|
|
|
|
var stream = through.obj(function(source, enc, callback) {
|
|
|
|
var self = this, symlink
|
|
|
|
//resolving absolute path from source
|
|
source.path = p.resolve(source.cwd, source.path)
|
|
// source.relative = p.relative(source.cwd, source.path)
|
|
|
|
//Array of destinations is passed
|
|
symlink = destinations !== undefined ? destinations.shift() : dest
|
|
|
|
//if dest is a function simply call it
|
|
symlink = typeof dest == 'function' ? dest(source) : symlink
|
|
|
|
//is the previous result a File instance ?
|
|
symlink = symlink instanceof File ? symlink : new File({path: symlink})
|
|
|
|
//resolving absolute path from dest
|
|
symlink.path = p.resolve(symlink.cwd, symlink.path)
|
|
|
|
//relative path between source and link
|
|
var relative_symlink_source = p.relative(p.dirname(symlink.path), source.path)
|
|
|
|
//check if the destination path exists
|
|
var exists = fs.existsSync(symlink.path)
|
|
|
|
//No force option, we can't override!
|
|
if(exists && !options.force) {
|
|
this.emit('error', new PluginError({plugin: PLUGIN_NAME, message: 'Destination file exists ('+dest+') - use force option to replace'}))
|
|
this.push(source)
|
|
return callback()
|
|
|
|
} else {
|
|
|
|
//remove destination if force option
|
|
if(exists && options.force === true)
|
|
rm.sync(symlink.path) //I'm aware that this is bad \o/
|
|
|
|
//create destination directories
|
|
if(!fs.existsSync(p.dirname(symlink.path)))
|
|
mkdirp.sync(p.dirname(symlink.path))
|
|
|
|
//this is a windows check as specified in http://nodejs.org/api/fs.html#fs_fs_symlink_srcpath_dstpath_type_callback
|
|
source.stat = fs.statSync(source.path)
|
|
|
|
fs.symlink(options.relative ? relative_symlink_source : source.path, symlink.path, source.stat.isDirectory() ? 'dir' : 'file', function(err) {
|
|
|
|
if(err)
|
|
self.emit('error', new PluginError({plugin: PLUGIN_NAME, message: err}))
|
|
else
|
|
gutil.log(PLUGIN_NAME + ':', gutil.colors.blue(options.relative ? relative_symlink_source : source.path), '→', gutil.colors.yellow(symlink.path))
|
|
|
|
self.push(source)
|
|
return callback()
|
|
})
|
|
|
|
}
|
|
|
|
})
|
|
|
|
return stream
|
|
}
|
|
|
|
module.exports = gulpSymlink
|