allow shebang, fixes #13

Author: mattdesl

index.js

@@ -1,5 +1,10 @@
 var aparse = require('acorn').parse;
-function parse (src) { return aparse(src, { ecmaVersion: 6 }) }
+function parse (src) {
+    return aparse(src, {
+        ecmaVersion: 6,
+        allowHashBang: true
+    });
+}
 
 module.exports = function (src, file) {
     if (typeof src !== 'string') src = String(src);

test/shebang.js

@@ -0,0 +1,13 @@
+var test = require('tap').test;
+
+var fs = require('fs');
+var check = require('../');
+
+var file = __dirname + '/sources/shebang.js';
+var src = fs.readFileSync(file);
+
+test('shebang', function (t) {
+    var err = check(src, file);
+    t.notOk(err);
+    t.end();
+});

test/sources/shebang.js

@@ -0,0 +1,2 @@
+#!/usr/bin/env node
+console.log('foo');