generate internal-exports file

rollup.config.js

@@ -82,6 +82,16 @@ export default [
 				}
 			],
 			external,
-			plugins: [ts_plugin]
+			plugins: [
+				ts_plugin,
+				dir === 'internal' && {
+					generateBundle(options, bundle) {
+						const mod = bundle['internal.mjs'];
+						if (mod) {
+							fs.writeFileSync('src/compile/internal-exports.ts', `// This file is automatically generated\nexport default new Set(${JSON.stringify(mod.exports)});`);
+						}
+					}
+				}
+			]
 		}))
 ];