Added batch support and removed command check

Author: simonkoeck

README.md

@@ -1,4 +1,4 @@
-[![Maintenance](https://img.shields.io/badge/Maintained%3F-yes-green.svg)](https://GitHub.com/simonkoeck/code-execution-engine/graphs/commit-activity) [![Ask Me Anything !](https://img.shields.io/badge/Ask%20me-anything-1abc9c.svg)](https://GitHub.com/simonkoeck) [![GitHub license](https://img.shields.io/github/license/simonkoeck/code-execution-engine)](https://github.com/simonkoeck/code-execution-engine/blob/master/LICENSE) [![GitHub contributors](https://img.shields.io/github/contributors/simonkoeck/code-execution-engine)](https://GitHub.com/simonkoeck/code-execution-engine)
+[![Maintenance](https://img.shields.io/badge/Maintained%3F-yes-green.svg?style=for-the-badge)](https://GitHub.com/simonkoeck/code-execution-engine/graphs/commit-activity) [![Ask Me Anything !](https://img.shields.io/badge/Ask%20me-anything-1abc9c.svg?style=for-the-badge)](https://GitHub.com/simonkoeck) [![GitHub license](https://img.shields.io/github/license/simonkoeck/code-execution-engine?style=for-the-badge)](https://github.com/simonkoeck/code-execution-engine/blob/master/LICENSE) [![GitHub contributors](https://img.shields.io/github/contributors/simonkoeck/code-execution-engine?style=for-the-badge)](https://GitHub.com/simonkoeck/code-execution-engine)
 
 # Code-Execution-Engine
 
@@ -54,6 +54,7 @@ cee
 ## Supported Languages
 
 - **Python3** (Windows / Linux)
+- **Batch** (Windows)
 - **Bash** (Linux)
 - **C** (Linux)
 

package.json

@@ -30,7 +30,6 @@
   },
   "homepage": "https://github.com/simonkoeck/code-execution-engine#readme",
   "dependencies": {
-    "command-exists": "^1.2.9",
     "unique-filename": "^1.1.1"
   }
 }

runners/win32/bat.bat

@@ -0,0 +1,2 @@
+@echo off
+%1

src/executor.ts

@@ -2,7 +2,6 @@ import { platform, tmpdir } from "os";
 import { writeFileSync, unlinkSync, mkdirSync, readFileSync } from "fs";
 import { exec } from "child_process";
 import Language from "./languages";
-import { sync as commandExists } from "command-exists";
 import path from "path";
 
 const uniqueFilename = require("unique-filename");
@@ -30,14 +29,10 @@ export default async function execute(
     throw Error("Your OS is not supported yet.");
   }
 
-  // Check if Command Exists
-  if (!commandExists(language)) {
-    throw new Error("This language is not installed on the machine");
-  }
-
   // Write File to temp folder
   var temppath: string = uniqueFilename(tmpdir());
   if (language == Language.C) temppath += ".c";
+  else if (language == Language.BATCH) temppath += ".bat";
   writeFileSync(temppath, input, { encoding: "utf-8" });
 
   // Command to execute runner

src/languages.ts

@@ -2,6 +2,7 @@ enum Language {
   PYTHON3 = "python3",
   C = "gcc",
   BASH = "bash",
+  BATCH = "bat"
 }
 
 export default Language;