fix(esm): resolve .ts extension in imports map

fixes #579

Author: privatenumber

src/esm/hook/resolve.ts

@@ -161,8 +161,11 @@ export const resolve: resolve = async (
 	// If `allowJs` is set in `tsconfig.json`, then we'll apply the same resolution logic
 	// to files without a TypeScript extension.
 	if (
-		// Ignore if it's a bare package name and there's no subpath
-		!isBarePackageName.test(specifier)
+		(
+			specifier.startsWith('#')
+			// Ignore if it's a bare package name and there's no subpath
+			|| !isBarePackageName.test(specifier)
+		)
 		&& (
 			tsExtensionsPattern.test(context.parentURL!)
 			|| allowJs

tests/fixtures.ts

@@ -272,10 +272,14 @@ export const files = {
 			'package.json': createPackageJson({
 				type: 'module',
 				main: './index.js',
+				imports: {
+					'#*': './*',
+				},
 			}),
 			'index.js': `${syntaxLowering}\nexport * from "./empty-export"`,
-			'ts.ts': syntaxLowering,
 			'empty-export/index.js': 'export {}',
+			'ts.ts': `${syntaxLowering}\nexport * from "#empty.js"`,
+			'empty.ts': 'export {}',
 		},
 	},
 };