fix(json): handle keys with special characters

Author: privatenumber

src/esm/hook/load.ts

@@ -102,8 +102,9 @@ let load: LoadHook = async (
 			},
 		);
 
-		const jsonExportKeys = Object.keys(JSON.parse(code));
-		transformed.code += `\n0 && (module.exports = {${jsonExportKeys.join(',')}});`;
+		transformed.code += `\n0 && (module.exports = ${
+			JSON.stringify(Object.fromEntries(Object.keys(JSON.parse(code)).map(key => [key, 0])))
+		});`;
 
 		return {
 			shortCircuit: true,
@@ -300,8 +301,9 @@ let load: LoadHook = async (
 			},
 		);
 
-		const jsonExportKeys = Object.keys(JSON.parse(code));
-		transformed.code += `\n0 && (module.exports = {${jsonExportKeys.join(',')}});`;
+		transformed.code += `\n0 && (module.exports = ${
+			JSON.stringify(Object.fromEntries(Object.keys(JSON.parse(code)).map(key => [key, 0])))
+		});`;
 
 		return {
 			format: 'commonjs',

tests/fixtures.ts

@@ -141,7 +141,7 @@ export const files = {
 	import '../json/'
 	`,
 
-	'json/index.json': JSON.stringify({ loaded: 'json' }),
+	'json/index.json': JSON.stringify({ 'loaded-file': 'json' }),
 
 	'cjs/index.cjs': sourcemap.tag`
 	const assert = require('node:assert');

tests/specs/smoke.ts

@@ -161,7 +161,7 @@ export default testSuite(async ({ describe }, { tsx, supports, version }: NodeAp
 					expect(p.failed).toBe(false);
 					expect(p.stdout).toMatch(`"import.meta.url":"${pathToFileURL(fixture.getPath('import-from-js.js'))}"`);
 					expect(p.stdout).toMatch(`"js":{"cjsContext":${isCommonJs},"default":1,"named":2}`);
-					expect(p.stdout).toMatch('"json":{"default":{"loaded":"json"},"loaded":"json"}');
+					expect(p.stdout).toMatch('"json":{"default":{"loaded-file":"json"},"loaded-file":"json"}');
 
 					if (supports.exportModuleExports && !isCommonJs) {
 						expect(p.stdout).toMatch('"cjs":{"default":{"named":"named"},"module.exports":{"named":"named"},"named":"named"}');
@@ -422,7 +422,7 @@ export default testSuite(async ({ describe }, { tsx, supports, version }: NodeAp
 					expect(p.failed).toBe(false);
 					expect(p.stdout).toMatch(`"import.meta.url":"${pathToFileURL(fixture.getPath('import-from-ts.ts'))}"`);
 					expect(p.stdout).toMatch(`"js":{"cjsContext":${isCommonJs},"default":1,"named":2}`);
-					expect(p.stdout).toMatch('"json":{"default":{"loaded":"json"},"loaded":"json"}');
+					expect(p.stdout).toMatch('"json":{"default":{"loaded-file":"json"},"loaded-file":"json"}');
 					if (supports.exportModuleExports && !isCommonJs) {
 						expect(p.stdout).toMatch('"cjs":{"default":{"named":"named"},"module.exports":{"named":"named"},"named":"named"}');
 					} else {