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hotfix: remove mutability from reducers

This commit is contained in:
George Lima 2018-11-28 16:32:50 -03:00
parent 1dc5c9877d
commit 1de717d31b
1 changed files with 5 additions and 19 deletions
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24
app/redux/modules/todo.js
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@ -52,37 +52,23 @@ export const updateTodo = (id: string, text: string) => ({
const initialState = [];
// Reducers
export default (state: Array<TodoType> = initialState, action: Action) => {
export default (state: Array<TodoType> = initialState, action: Action): Array<TodoType> => {
switch (action.type) {
case ADD_TODO:
return [...state, action.payload];
case DELETE_TODO:
// $FlowFixMe
return state.filter((todo: Object) => todo.id !== action.payload.id);
return state.filter((todo: TodoType) => todo.id !== action.payload.id);
case TOGGLE_EDIT_TODO: {
const { id } = action.payload;
const todos = [...state];
const index = todos.map(todo => todo.id).indexOf(id);
todos[index].editing = true;
return todos;
return state.map(todo => (todo.id === id ? { ...todo, editing: true } : todo));
}
case UPDATE_TODO: {
const { id, text } = action.payload;
const todos = [...state];
const index = todos.map(todo => todo.id).indexOf(id);
todos[index].text = text;
todos[index].editing = false;
return todos;
return state.map(todo => (todo.id === id ? { ...todo, editing: false, text } : todo));
}
case CANCEL_UPDATE_TODO: {
const { id } = action.payload;
const todos = [...state];
const index = todos.map(todo => todo.id).indexOf(id);
todos[index].editing = false;
return todos;
return state.map(todo => (todo.id === id ? { ...todo, editing: false } : todo));
}
default:
return state;