✏️ Add Warning about old Node version

Author: alexlee-dev

CHANGELOG.md

@@ -9,6 +9,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
+- Warning about unusable Node version (less than v10.0.0)
+
 ### Changed
 
 - Format of website in `author` field of `package.json`

package-lock.json

@@ -39,6 +39,7 @@
     "@types/fs-extra": "^9.0.1",
     "@types/inquirer": "^6.5.0",
     "@types/node": "^14.0.5",
+    "@types/semver": "^7.2.0",
     "@types/update-notifier": "^4.1.0",
     "@types/validate-npm-package-name": "^3.0.0",
     "@types/yargs": "^15.0.5",
@@ -56,6 +57,7 @@
     "fs-extra": "^9.0.0",
     "inquirer": "^7.1.0",
     "ora": "^4.0.4",
+    "semver": "^7.3.2",
     "update-notifier": "^4.1.0",
     "validate-npm-package-name": "^3.0.0"
   }

package.json

@@ -23,7 +23,11 @@ import {
   replaceTemplateValues,
 } from "./init";
 import { handleIncorrectApplicationName } from "./program";
-import { cleanupError, validateApplicationName } from "./util";
+import {
+  cleanupError,
+  validateApplicationName,
+  verifyNodeVersion,
+} from "./util";
 
 /**
  * Main CLI Program
@@ -71,6 +75,9 @@ const main = async (): Promise<void> => {
       })
       .parse(process.argv);
 
+    // * Very Node Version (>=10.0.0)
+    verifyNodeVersion();
+
     // * Application Name must exist, and not consist of illegal characters
     validateApplicationName(applicationName);
     if (!applicationName) return;

src/index.ts

@@ -2,6 +2,7 @@ import chalk from "chalk";
 import { spawn } from "child_process";
 import fs from "fs-extra";
 import path from "path";
+import semver from "semver";
 import validateProjectName from "validate-npm-package-name";
 
 /**
@@ -105,3 +106,14 @@ export const validateApplicationName = (applicationName: any) => {
     process.exit(1);
   }
 };
+
+export const verifyNodeVersion = (): void => {
+  if (!semver.satisfies(process.version, ">=10.0.0")) {
+    console.error(
+      chalk.red(`create-cli-application requires Node v10 or higher.`)
+    );
+    console.error(chalk.red(`You are running Node ${process.version}.`));
+    console.error(chalk.red(`Please update your version of Node.`));
+    process.exit(1);
+  }
+};