Files
frontend-bootcamp/step2-05/exercise/src/reducers/pureFunctions.ts
2019-02-19 14:14:34 -08:00

39 lines
1.2 KiB
TypeScript

import { Store, FilterTypes } from '../store';
export function addTodo(state: Store['todos'], id: string, label: string): Store['todos'] {
// Write code to clone the state object while inserting a new TodoItem inside
// - the new object must be of the type TodoItem
// - the new state should be cloned using the spread syntax
// - return the new state
return state;
}
export function remove(state: Store['todos'], id: string) {
// Write code:
// - to clone the state object into new state object
// - remove and item from the new state by using the "delete" keyword
// - return the new state
return state;
}
export function complete(state: Store['todos'], id: string) {
// Write code:
// - to clone the state object into new state object
// - create a clone of the state[id] into a new item object
// - modify new state and set the id key to the value of the new item object
return state;
}
export function clear(state: Store['todos']) {
// Write code:
// - to clone the state object into new state object
// - loop through the keys of the new state object
// - remove those items inside that new state if the item is completed using the "delete" keyword
// - return the new state
return state;
}