test: added an additional test

test/parse-tsconfig.test.ts

@@ -65,3 +65,78 @@ test("Correctly parse TypeScript config files within sub-directories. #1", async
 		`)
 	);
 });
+
+test("Correctly parse TypeScript config files within sub-directories. #2", async t => {
+	const bundle = await generateRollupBundle(
+		[
+			{
+				entry: true,
+				fileName: "virtual-src/index.ts",
+				text: `\
+					export function noop(): void {}
+				`
+			},
+			{
+				entry: false,
+				fileName: "virtual-configs/tsconfig.build.json",
+				text: `\
+					{
+						"extends": "./tsconfig.base.json",
+						"compilerOptions": {
+							"rootDir": "../virtual-src",
+							"outDir": "../virtual-dist"
+						},
+						"include": [
+							"../virtual-src/**/*.ts"
+						]
+					}
+				`
+			},
+			{
+				entry: false,
+				fileName: "virtual-configs/tsconfig.base.json",
+				text: `\
+					{
+						"compilerOptions": {
+							"target": "es2018",
+							"module": "esnext",
+							"moduleResolution": "node",
+							"baseUrl": "../",
+							"declaration": true,
+							"declarationMap": true,
+							"listEmittedFiles": true,
+							"noImplicitAny": true,
+							"noImplicitReturns": true,
+							"noUnusedLocals": true,
+							"noUnusedParameters": true,
+							"removeComments": true,
+							"sourceMap": true,
+							"strict": true
+						},
+						"exclude": [
+							"../node_modules",
+							"../virtual-dist"
+						]
+					}
+				`
+			}
+		],
+		{
+			debug: false,
+			tsconfig: "virtual-configs/tsconfig.build.json"
+		}
+	);
+
+	const {
+		js: [file]
+	} = bundle;
+
+	t.deepEqual(
+		formatCode(file.code),
+		formatCode(`\
+			function noop() {}
+
+			export { noop };
+		`)
+	);
+});