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adding step 7

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Ken
2019-02-17 17:19:14 -08:00
parent 64bd766619
commit b603f44b0d
16 changed files with 2270 additions and 1892 deletions
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1
step2-06/src/reducers/index.ts
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import { Store } from '../store';
import { addTodo, remove, complete } from './pureFunctions';
import { clear } from '../../../step2-07/src/reducers/pureFunctions';
let index = 0;

2
step2-06/src/reducers/pureFunctions.ts
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@@ -24,7 +24,7 @@ export function remove(state: Store, id: string) {
}
export function complete(state: Store, id: string) {
const newTodos = { ...this.state.todos };
const newTodos = { ...state.todos };
newTodos[id].completed = !newTodos[id].completed;
return {

3
step2-07/README.md Normal file
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# Step 2.7
Connect store to view

6
step2-07/index.html Normal file
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<!DOCTYPE html>
<html>
<body>
<div id="app"></div>
</body>
</html>

4
step2-07/src/actions/index.ts Normal file
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export const addTodo = (label: string) => ({ type: 'addTodo', label });
export const remove = (id: string) => ({ type: 'remove', id });
export const complete = (id: string) => ({ type: 'complete', id });
export const clear = () => ({ type: 'clear' });

36
step2-07/src/components/TodoApp.tsx Normal file
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import React from 'react';
import { Stack, Customizer, mergeStyles, getTheme } from 'office-ui-fabric-react';
import { TodoFooter } from './TodoFooter';
import { TodoHeader } from './TodoHeader';
import { TodoList } from './TodoList';
import { Store } from '../store';
import { FluentCustomizations } from '@uifabric/fluent-theme';
const className = mergeStyles({
padding: 25,
...getTheme().effects.elevation4
});
export class TodoApp extends React.Component<any, Store> {
constructor(props) {
super(props);
this.state = {
todos: {},
filter: 'all'
};
}
render() {
const { filter, todos } = this.state;
return (
<Customizer {...FluentCustomizations}>
<Stack horizontalAlign="center">
<Stack style={{ width: 400 }} gap={25} className={className}>
<TodoHeader />
<TodoList />
<TodoFooter />
</Stack>
</Stack>
</Customizer>
);
}
}

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step2-07/src/components/TodoFooter.tsx Normal file
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import React from 'react';
import { Text } from '@uifabric/experiments';
import { Stack } from 'office-ui-fabric-react';
import { Store } from '../store';
import { DefaultButton } from 'office-ui-fabric-react';
import { connect } from 'react-redux';
import * as actions from '../actions';
interface TodoFooterProps {
clear: () => void;
todos: Store['todos'];
}
const TodoFooter = (props: TodoFooterProps) => {
const itemCount = Object.keys(props.todos).filter(id => !props.todos[id].completed).length;
return (
<Stack horizontal horizontalAlign="space-between">
<Text>
{itemCount} item{itemCount > 1 ? 's' : ''} left
</Text>
<DefaultButton onClick={() => props.clear()}>Clear Completed</DefaultButton>
</Stack>
);
};
function mapStateToProps(state: Store) {
return { ...state };
}
function mapDispatchToProps(dispatch: any) {
return {
clear: () => dispatch(actions.clear())
};
}
const component = connect(
mapStateToProps,
mapDispatchToProps
)(TodoFooter);
export { component as TodoFooter };

65
step2-07/src/components/TodoHeader.tsx Normal file
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import React from 'react';
import { Text } from '@uifabric/experiments';
import { Stack } from 'office-ui-fabric-react';
import { Pivot, PivotItem, TextField, PrimaryButton } from 'office-ui-fabric-react';
import { FilterTypes, Store } from '../store';
import * as actions from '../actions';
import { connect } from 'react-redux';
interface TodoHeaderProps {
addTodo: (label: string) => void;
}
interface TodoHeaderState {
labelInput: string;
}
class TodoHeader extends React.Component<TodoHeaderProps, TodoHeaderState> {
constructor(props: TodoHeaderProps) {
super(props);
this.state = { labelInput: undefined };
}
render() {
return (
<Stack gap={10}>
<Stack horizontal horizontalAlign="center">
<Text variant="xxLarge">todos</Text>
</Stack>
<Stack horizontal gap={10}>
<Stack.Item grow>
<TextField placeholder="What needs to be done?" value={this.state.labelInput} onChange={this.onChange} />
</Stack.Item>
<PrimaryButton onClick={this.onAdd}>Add</PrimaryButton>
</Stack>
</Stack>
);
}
private onAdd = () => {
this.props.addTodo(this.state.labelInput);
this.setState({ labelInput: undefined });
};
private onChange = (evt: React.FormEvent<HTMLInputElement>, newValue: string) => {
this.setState({ labelInput: newValue });
};
}
function mapStateToProps(state: Store) {
return { ...state };
}
function mapDispatchToProps(dispatch: any) {
return {
addTodo: (label: string) => dispatch(actions.addTodo(label))
};
}
const component = connect(
mapStateToProps,
mapDispatchToProps
)(TodoHeader);
export { component as TodoHeader };

38
step2-07/src/components/TodoList.tsx Normal file
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import React from 'react';
import { Stack } from 'office-ui-fabric-react';
import { TodoListItem } from './TodoListItem';
import { Store, FilterTypes } from '../store';
import { connect } from 'react-redux';
import * as actions from '../actions';
interface TodoListProps {
todos: Store['todos'];
}
const TodoList = (props: TodoListProps) => {
const { todos } = props;
const filteredTodos = Object.keys(todos);
return (
<Stack gap={10}>
{filteredTodos.map(id => (
<TodoListItem key={id} id={id} />
))}
</Stack>
);
};
function mapStateToProps(state: Store) {
return { ...state };
}
function mapDispatchToProps(dispatch: any) {
return {};
}
const component = connect(
mapStateToProps,
mapDispatchToProps
)(TodoList);
export { component as TodoList };

48
step2-07/src/components/TodoListItem.tsx Normal file
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import React from 'react';
import { Stack, Checkbox, IconButton, TextField, DefaultButton } from 'office-ui-fabric-react';
import { Store } from '../store';
import { connect } from 'react-redux';
import * as actions from '../actions';
interface TodoListItemProps {
id: string;
todos: Store['todos'];
remove: (id: string) => void;
complete: (id: string) => void;
}
class TodoListItem extends React.Component<TodoListItemProps, {}> {
render() {
const { todos, id, complete, remove } = this.props;
const item = todos[id];
return (
<Stack horizontal verticalAlign="center" horizontalAlign="space-between">
<Checkbox label={item.label} checked={item.completed} onChange={() => complete(id)} />
<div>
<IconButton iconProps={{ iconName: 'Cancel' }} onClick={() => remove(id)} />
</div>
</Stack>
);
}
}
function mapStateToProps({ todos }: Store) {
return {
todos
};
}
function mapDispatchToProps(dispatch: any) {
return {
remove: (id: string) => dispatch(actions.remove(id)),
complete: (id: string) => dispatch(actions.complete(id))
};
}
const component = connect(
mapStateToProps,
mapDispatchToProps
)(TodoListItem);
export { component as TodoListItem };

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step2-07/src/index.tsx Normal file
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import React from 'react';
import ReactDOM from 'react-dom';
import { reducer } from './reducers';
import { createStore, compose } from 'redux';
import { Provider } from 'react-redux';
import { TodoApp } from './components/TodoApp';
import { addTodo } from './actions';
import { initializeIcons } from '@uifabric/icons';
/* Goop for making the Redux dev tool to work */
declare var window: any;
const composeEnhancers = window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__ || compose;
function createStoreWithDevTool(reducer, initialStore) {
return createStore(reducer, initialStore, composeEnhancers());
}
const store = createStoreWithDevTool(reducer, {});
store.dispatch(addTodo('hello'));
store.dispatch(addTodo('world'));
initializeIcons();
ReactDOM.render(
<Provider store={store}>
<TodoApp />
</Provider>,
document.getElementById('app')
);

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step2-07/src/reducers/index.ts Normal file
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import { Store } from '../store';
import { addTodo, remove, complete, clear } from './pureFunctions';
let index = 0;
export function reducer(state: Store, payload: any): Store {
switch (payload.type) {
case 'addTodo':
return addTodo(state, payload.label);
case 'remove':
return remove(state, payload.id);
case 'clear':
return clear(state);
case 'complete':
return complete(state, payload.id);
}
return state;
}

35
step2-07/src/reducers/pureFunctions.spec.ts Normal file
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import { addTodo, complete } from './pureFunctions';
import { Store } from '../store';
describe('TodoApp reducers', () => {
it('can add an item', () => {
const state = <Store>{
todos: {},
filter: 'all'
};
const newState = addTodo(state, 'item1');
const keys = Object.keys(newState.todos);
expect(newState).not.toBe(state);
expect(keys.length).toBe(1);
expect(newState.todos[keys[0]].label).toBe('item1');
expect(newState.todos[keys[0]].completed).toBeFalsy();
});
it('can complete an item', () => {
const state = <Store>{
todos: {},
filter: 'all'
};
let newState = addTodo(state, 'item1');
const key = Object.keys(newState.todos)[0];
newState = complete(newState, key);
expect(newState.todos[key].completed).toBeTruthy();
});
});

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step2-07/src/reducers/pureFunctions.ts Normal file
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import { Store } from '../store';
let index = 0;
export function addTodo(state: Store, label: string): Store {
const { todos } = state;
const id = index++;
return {
...state,
todos: { ...todos, [id]: { label, completed: false } }
};
}
export function remove(state: Store, id: string) {
const newTodos = { ...state.todos };
delete newTodos[id];
return {
...state,
todos: newTodos
};
}
export function complete(state: Store, id: string) {
const newTodos = { ...state.todos };
newTodos[id].completed = !newTodos[id].completed;
return {
...state,
todos: newTodos
};
}
export function clear(state: Store) {
const newTodos = {};
Object.keys(state.todos).forEach(key => {
if (!state.todos[key].completed) {
newTodos[key] = state.todos[key];
}
});
return {
...state,
todos: newTodos
};
}

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step2-07/src/store/index.ts Normal file
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export type FilterTypes = 'all' | 'active' | 'completed';
export interface TodoItem {
label: string;
completed: boolean;
}
export interface Store {
todos: {
[id: string]: TodoItem;
};
filter: FilterTypes;
}