Adds isolatedModules to tsconfig

src/system/asyncIterable.ts

@@ -1,13 +0,0 @@
-// 'use strict';
-
-// // Polyfill for asyncIterator
-// (Symbol as any).asyncIterator = Symbol.asyncIterator || Symbol.for('Symbol.asyncIterator');
-
-// export namespace AsyncIterables {
-//     export async function* filterMap<T, TMapped>(source: Iterable<T>, predicateMapper: (item: T) => Promise<TMapped | null | undefined>): AsyncIterator<TMapped> {
-//         for (const item of source) {
-//             const mapped = await predicateMapper(item);
-//             if (mapped != null) yield mapped;
-//         }
-//     }
-// }

tsconfig.json

@@ -4,6 +4,7 @@
 		"experimentalDecorators": true,
 		"forceConsistentCasingInFileNames": true,
 		"incremental": true,
+		"isolatedModules": true,
 		"lib": ["es2019"],
 		"module": "esnext",
 		"moduleResolution": "node",