Add jest test dev bin (#124)

Signed-off-by: Derek Anderson <dmikey@users.noreply.github.com>

Author: dmikey

.vscode/launch.json

@@ -0,0 +1,17 @@
+{
+	// Use IntelliSense to learn about possible attributes.
+	// Hover to view descriptions of existing attributes.
+	// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+	"version": "0.2.0",
+	"configurations": [
+		{
+			"type": "node",
+			"request": "launch",
+			"name": "Launch Build",
+			"skipFiles": ["<node_internals>/**"],
+			"program": "${workspaceFolder}/dev-bin.js",
+			"outFiles": ["${workspaceFolder}/**/*.js"],
+			"args": ["sites", "build", "/Projects/example-apps/react-blog-app"]
+		}
+	]
+}

dev-bin.js

@@ -1,16 +1,26 @@
 #!/usr/bin/env node
 require("ts-node/register");
-const compareVersions = require("compare-versions")
-const MIN_NODE_VERSION = '14.17.6'
+const compareVersions = require("compare-versions");
+const MIN_NODE_VERSION = "14.17.6";
 
-if (compareVersions.compare(process.versions.node, MIN_NODE_VERSION, '<')) {
-  console.error(
-    `Bls CLI requires at least node.js v${MIN_NODE_VERSION}.\nYou are using v${process.versions.node}. Please update your version of node.js. Consider using Node.js version manager https://github.com/nvm-sh/nvm.`
-  )
-  process.exit(1)
+if (compareVersions.compare(process.versions.node, MIN_NODE_VERSION, "<")) {
+	console.error(
+		`Bls CLI requires at least node.js v${MIN_NODE_VERSION}.\nYou are using v${process.versions.node}. Please update your version of node.js. Consider using Node.js version manager https://github.com/nvm-sh/nvm.`,
+	);
+	process.exit(1);
 } else {
-  const { main } = require("./src/index");
-  const { version } = require("./package.json");
-  
-  main(process.argv.slice(2), { version });
+	const { main } = require("./src/index");
+	const { version } = require("./package.json");
+
+	const runCLI = (args) => {
+		main(args, { version });
+	};
+
+	// Export the runCLI function for testing
+	module.exports = { runCLI };
+
+	// Run the CLI if executed directly
+	if (require.main === module) {
+		runCLI(process.argv.slice(2));
+	}
 }

jest.config.js

@@ -0,0 +1,5 @@
+module.exports = {
+	preset: "ts-jest",
+	testEnvironment: "node",
+	testMatch: ["**/tests/**/*.test.ts"],
+};