feat(cli): add support for local templates

packages/cdktf-cli/src/bin/cmds/helper/init.ts

@@ -519,15 +519,22 @@ async function getTemplate(
     }
   }
 
-  // treat as remote url
-  if (!templates.includes(templateName)) {
-    return fetchRemoteTemplate(templateName);
-  } else {
+  if (templates.includes(templateName)) {
     return {
       Name: templateName,
       Path: path.join(templatesDir, templateName),
     };
   }
+  if (
+    templateName.startsWith("http://") ||
+    templateName.startsWith("https://")
+  ) {
+    return fetchRemoteTemplate(templateName);
+  }
+  return {
+    Name: path.basename(templateName),
+    Path: templateName,
+  };
 }
 
 async function fetchRemoteTemplate(templateUrl: string): Promise<Template> {

test/typescript/init-local-template/cdktf.json

@@ -0,0 +1,8 @@
+{
+  "language": "typescript",
+  "app": "npx ts-node main.ts",
+  "terraformProviders": [
+    "null@ ~> 3.1.0"
+  ],
+  "context": {}
+}

test/typescript/init-local-template/test.ts

@@ -0,0 +1,35 @@
+// Copyright (c) HashiCorp, Inc
+// SPDX-License-Identifier: MPL-2.0
+import { TestDriver } from "../../test-helper";
+const fs = require('fs').promises;
+const path = require('path');
+
+describe("local templates", () => {
+	test("can init", async () => {
+		const driver = new TestDriver(__dirname);
+		const templateDir = path.resolve(
+			__dirname,
+			"..",
+			"..",
+			"..",
+			"packages/@cdktf/cli-core/templates/typescript"
+		);
+		await driver.init(templateDir);
+		const files = await fs.readdir(driver.workingDirectory);
+		expect(files).toEqual(
+			expect.arrayContaining([
+				".gen",
+				".gitignore",
+				".npmrc",
+				"cdktf.json",
+				"help",
+				"jest.config.js",
+				"main.ts",
+				"package.json",
+				"setup.js",
+				"tsconfig.json",
+				"__tests__",
+			])
+		);
+	});
+});