hw8

src/s2-homeworks/hw08/bll/homeWorkReducer.ts

@@ -0,0 +1,21 @@
+import {UserType} from '../HW8'
+
+type ActionType = {type: 'sort', payload: 'up' | 'down'} | {type: 'check', payload: number}
+
+export const homeWorkReducer = (state: UserType[], action: ActionType): UserType[] => { // need to fix any
+    switch (action.type) { // делают студенты
+        case 'sort': {
+            const newState = [...state].sort((a, b) => {
+                if (a.name > b.name) return 1
+                else if (a.name < b.name) return -1
+                else return 0
+            })
+
+            return action.payload === 'up' ? newState : newState.reverse()
+        }
+        case 'check': {
+            return state.filter(a => a.age >= action.payload)
+        }
+        default: return state
+    }
+}