forEach object in TypeScript

forEachObject.ts

interface ActionTypeProps<P> {
  key: keyof P,
  value: any,
}

type actionType<P> = (props: ActionTypeProps<P>) => void
type forEachObjectType<P> = (object: P, action: actionType<P>) => void

export const forEachObject: forEachObjectType<{ [key: string]: any }> = (object, action) => {
  for (const [key, value] of Object.entries(object)) {
    action({key, value})
  }
}

forEachObject_usecase.ts

import { forEachObject } from "./forEachObject.ts";

const example = {
  hello: "world",
  foo: "foo",
  john: "doe",
  city: "london"
}

forEachObject(example, ({key, value}) => {
  console.log(key, value);
});