Answers for "ts7053: element implicitly has an 'any' type because expression of type 'string' can't be used to index type '{}'.   no index signature with a parameter of type 'string' was found on type"

Element implicitly has an 'any' type because expression of type 'string' can't be used to index type '{}'. No index signature with a parameter of type 'string' was found on type '{}'.ts(7053)

//This will fail typecheck
const map = {};
map[someString] = "hello";

//This will pass typecheck
const map: {[key:string]: string} = {};
map[someString] = "hello";

Element implicitly has an 'any' type because expression of type 'string' can't be used to index type

interface IObjectKeys {
  [key: string]: string | number;
}

interface IDevice extends IObjectKeys {
  id: number;
  room_id: number;
  name: string;
  type: string;
  description: string;
}