You need to use an import type and TypeScript 2.9 or higher. Here is an example: my_module.ts export const user = { name: “John”, age: 30 }; export const event = { name: “Birthday”, date: new Date(1989, 13, 2) }; demo.ts type ModuleType = typeof import(“./my_module”); // This is the import type! export function load(): … Read more
This is because typescript version. Open command prompt or terminal. then run these commands. Check TypeScript version tsc -v should be higher than 2.4 if not. install latest version of typescript globally npm install typescript -g Open your package.json file of the project and change typescript version like this with newly installed version “typescript”: “~2.6.1” … Read more
Solution RxJS 5.4.2 should now work perfectly with TypeScript 2.4.1. Simply upgrade to 5.4.2+ if possible. npm install –save rxjs@^5.4.2 Then try restarting your editor and/or recompile if you don’t see an immediate change. If not, the below solution should work. Why it’s happening TypeScript 2.4 has a strictness change, and Subject<T> isn’t lifting to … Read more