🧹 Cleanup upon Error

Author: alexlee-dev

CHANGELOG.md

@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Interactive option. Use the flag `--interactive` to use this mode.
 - Comments :)
+- Cleanup on global error
 
 ### Changed
 

src/index.ts

@@ -21,14 +21,16 @@ import {
   displaySuccessMessage,
 } from "./init";
 import { handleIncorrectApplicationName } from "./program";
+import { cleanupError } from "./util";
 
 /**
  * Main CLI Program
  */
 const main = async (): Promise<void> => {
+  let applicationName;
+
   try {
     // * Used to set the directory, application name, and inserted into templates
-    let applicationName;
     let language: "js" | "ts";
     // * Default language is JavaScript
     language = "js";
@@ -110,6 +112,8 @@ const main = async (): Promise<void> => {
     // * Installs dev dependencies
     await installDevDependencies(applicationName, language);
 
+    throw new Error("FAKE ERROR");
+
     // * Copies template files and inserts `applicationName` into the files
     await copyTemplateFiles(applicationName, language);
 
@@ -119,7 +123,7 @@ const main = async (): Promise<void> => {
     // * Displays a success message to the user
     displaySuccessMessage(applicationName);
   } catch (error) {
-    // TODO - Cleanup
+    await cleanupError(applicationName);
     console.error(error);
     throw new Error(error);
   }

src/init.ts

@@ -34,8 +34,6 @@ export const createProjectDirectory = async (
   );
   console.log();
 
-  // TODO - Interactive mode to fill in some of these values
-
   const packageJson = {
     name: applicationName,
     version: "0.0.0",

src/util.ts

@@ -1,4 +1,6 @@
 import { spawn } from "child_process";
+import fs from "fs-extra";
+import path from "path";
 
 /**
  * Executes a command in a spawned process.
@@ -28,3 +30,20 @@ export const executeCommand = async (
       console.log({ message });
     });
   });
+
+export const cleanupError = async (
+  applicationName: string | undefined
+): Promise<void> => {
+  try {
+    if (!applicationName) {
+      return;
+    }
+
+    // * Application Directory
+    const root = path.resolve(applicationName);
+
+    await executeCommand("rimraf", [root]);
+  } catch (error) {
+    throw new Error(error);
+  }
+};