Added directory option

Author: GiDW

README.md

@@ -10,6 +10,8 @@
   -p, --port                        <PORT_NUMBER> (8080)
   -c, --cors                        <CORS_STRING>
 
+  -d, --dir                         <DIRECTORY> (.)
+
   -lr, -lR, --logRequest            [<BOOLEAN>|<NUMBER>] (true)
   -lrh, -lRH, --logRequestHeaders   [<BOOLEAN>|<NUMBER>] (false)
   -lra, -lRA, --logRequestAddress   [<BOOLEAN>|<NUMBER>] (true)

index.js

@@ -23,6 +23,10 @@ function processArgs () {
       options.cors = arg.substring(7)
     } else if (arg.indexOf('-c=') === 0) {
       options.cors = arg.substring(3)
+    } else if (arg.indexOf('--dir=') === 0) {
+      options.directory = arg.substring(6)
+    } else if (arg.indexOf('-d=') === 0) {
+      options.directory = arg.substring(3)
     } else if (arg.indexOf('--logRequest') === 0) {
       if (arg === '--logRequest' ||
         arg === '--logRequest=true' ||

lib/server.js

@@ -1,5 +1,6 @@
 'use strict'
 
+var os = require('os')
 var http = require('http')
 var url = require('url')
 var fs = require('fs')
@@ -14,6 +15,7 @@ var types = require('./file-content-types')
 function Server (options) {
   this._port = 8080
   this._cors = null
+  this._directory = '.'
   this._indexUrl = url.parse('/index.html')
   this._rootLookForIndex = true
   this._logRequest = true
@@ -34,6 +36,10 @@ function Server (options) {
       this._cors = options.cors
     }
 
+    if (typeof options.directory === 'string' && options.directory) {
+      this._directory = options.directory
+    }
+
     if (typeof options.logRequest === 'boolean') {
       this._logRequest = options.logRequest
     }
@@ -47,6 +53,8 @@ function Server (options) {
     }
   }
 
+  this._directory = Server._resolvePath(this._directory)
+
   this._server = http.createServer(
     this._handler.bind(this)
   )
@@ -87,6 +95,22 @@ Server._CONTENT_TYPE = 'Content-Type'
  */
 Server._ACCESS_CONTROL_ALLOW_ORIGIN = 'Access-Control-Allow-Origin'
 
+/**
+ * @private
+ * @param {string} path
+ * @returns {string}
+ */
+Server._resolvePath = function (path) {
+  var char
+  if (path.charAt(0) === '~') {
+    char = path.charAt(1)
+    if (char === '$' || char === '/' || char === '\\') {
+      return os.homedir() + path.substring(1)
+    }
+  }
+  return path
+}
+
 /**
  * @private
  * @param {object} request
@@ -147,7 +171,7 @@ Server.prototype._onError = function (error) {
  * @returns {string}
  */
 Server.prototype._getPath = function (urlPath) {
-  return path.join('.', urlPath)
+  return path.join(this._directory, urlPath)
 }
 
 /**