fix errors when open a file without .lua extension, see issue #3.

CHANGELOG.md

@@ -2,6 +2,9 @@
 
 All notable changes to the "luacoderassist" extension will be documented in this file.
 
+### 1.2.7
+- fix errors when open a file without `.lua` extension, see issue #3.
+
 ### 1.2.6
 - fix errors when open a file which has syntax error.
 - add `keepAfterClosed` option for luacheck diagnostics.

README.md

@@ -82,6 +82,9 @@ This extension contributes the following settings:
 
 ## Release Notes
 
+### 1.2.7
+- fix errors when open a file without `.lua` extension, see issue #3.
+
 ### 1.2.6
 - fix errors when open a file which has syntax error.
 - add `keepAfterClosed` option for luacheck diagnostics.

package.json

@@ -3,7 +3,7 @@
   "displayName": "LuaCoderAssist",
   "description": "lua coder assistant in javascript for vscode",
   "icon": "images/icon.png",
-  "version": "1.2.6",
+  "version": "1.2.7",
   "publisher": "liwangqian",
   "engines": {
     "vscode": "^1.11.0"

server/lib/symbol/walker.js

@@ -53,8 +53,11 @@ class Walker {
         this.reset();
         this.document.uri = uri;
         this.document.ast = ast;
-        let fileName = uri.match(/(\w+)\.lua$/)[1];
-        this.walkNodes(ast.body, {name: '_G'}, utils.loc2Range(ast.loc), {name: fileName, bases: []}, true);
+        let matches = uri.match(/(\w+)(\.lua)?$/);
+        if (matches) {
+            let fileName = matches[1];
+            this.walkNodes(ast.body, { name: '_G' }, utils.loc2Range(ast.loc), { name: fileName, bases: [] }, true);
+        }
 
         return this.document;
     }

server/providers/lib/linters.js

@@ -73,6 +73,10 @@ class Luacheck {
             return diagnostics;
         }
 
+        if (data.stdout === undefined) {
+            return diagnostics;
+        }
+
         let maxProblems = this.coder.settings.luacheck.maxProblems;
 
         //luacheck output to stdout channal