Add baseDir option and pass-through to ecstatic

Upgrade ecstatic to version 3.0.0. Use ecstatic's baseDir option
to set a base directory.

See #390

bin/http-server

@@ -18,6 +18,7 @@ if (argv.h || argv.help) {
     'usage: http-server [path] [options]',
     '',
     'options:',
+    '  -b           Base path [/]',
     '  -p           Port to use [8080]',
     '  -a           Address to use [0.0.0.0]',
     '  -d           Show directory listings [true]',
@@ -94,6 +95,7 @@ else {
 
 function listen(port) {
   var options = {
+    baseDir: argv.b,
     root: argv._[0],
     cache: argv.c,
     showDir: argv.d,

lib/http-server.js

@@ -43,6 +43,7 @@ function HttpServer(options) {
 
   this.headers = options.headers || {};
 
+  this.baseDir = options.baseDir === undefined ? '/' : options.baseDir;
   this.cache = options.cache === undefined ? 3600 : options.cache; // in seconds.
   this.showDir = options.showDir !== 'false';
   this.autoIndex = options.autoIndex !== 'false';
@@ -94,6 +95,7 @@ function HttpServer(options) {
   }
 
   before.push(ecstatic({
+    baseDir: this.baseDir,
     root: this.root,
     cache: this.cache,
     showDir: this.showDir,

package.json

@@ -68,7 +68,7 @@
   "dependencies": {
     "colors": "1.0.3",
     "corser": "~2.0.0",
-    "ecstatic": "^2.0.0",
+    "ecstatic": "^3.0.0",
     "http-proxy": "^1.8.1",
     "opener": "~1.4.0",
     "optimist": "0.6.x",