fix(createPathsMatcher): resolve absolute target paths

fixes #50

src/paths-matcher/index.ts

@@ -28,7 +28,7 @@ const parsePaths = (
 				throw new Error('Non-relative paths are not allowed when \'baseUrl\' is not set. Did you forget a leading \'./\'?');
 			}
 
-			return path.join(absoluteBaseUrl, substitution);
+			return path.resolve(absoluteBaseUrl, substitution);
 		}),
 	} as PathEntry<string | StarPattern>;
 });
@@ -54,7 +54,11 @@ export const createPathsMatcher = (
 		baseUrl || '.',
 	);
 
-	const pathEntries = paths ? parsePaths(paths, baseUrl, resolvedBaseUrl) : [];
+	const pathEntries = (
+		paths
+			? parsePaths(paths, baseUrl, resolvedBaseUrl)
+			: []
+	);
 
 	return (specifier: string) => {
 		if (isRelativePathPattern.test(specifier)) {

tests/specs/create-paths-matcher.ts

@@ -1,3 +1,4 @@
+import path from 'path';
 import { testSuite, expect } from 'manten';
 import { createFixture } from 'fs-fixture';
 import { createTsconfigJson, getTscResolution } from '../utils.js';
@@ -407,6 +408,35 @@ export default testSuite(({ describe }) => {
 			await fixture.rm();
 		});
 
+		test('matches absolute target paths', async () => {
+			const fixture = await createFixture();
+
+			await fixture.writeFile(
+				'tsconfig.json',
+				createTsconfigJson({
+					compilerOptions: {
+						baseUrl: fixture.path,
+						paths: {
+							dir: [path.join(fixture.path, 'dir')],
+						},
+					},
+				}),
+			);
+
+			const tsconfig = getTsconfig(fixture.path);
+			expect(tsconfig).not.toBeNull();
+
+			const matcher = createPathsMatcher(tsconfig!)!;
+			expect(tsconfig).not.toBeNull();
+
+			const resolvedAttempts = await getTscResolution('dir', fixture.path);
+			expect(matcher('dir')).toStrictEqual([
+				resolvedAttempts[0].filePath.slice(0, -3),
+			]);
+
+			await fixture.rm();
+		});
+
 		test('matches path that starts with .', async () => {
 			const fixture = await createFixture({
 				'tsconfig.json': createTsconfigJson({