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August 17, 2020 09:06
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| const transTo = (target) => ({ | |
| target, | |
| actions: sendParent({ type: 'TODO_STATUS_UPDATE', value: target }), | |
| }); | |
| const todoStatusMachine = Machine({ | |
| id: 'TodoStatus', | |
| states: { | |
| Active: { | |
| on: { | |
| SET_ALL_COMPLETED: transTo('Completed'), | |
| TOGGLE_TODO: transTo('Completed'), | |
| }, | |
| }, | |
| Completed: { | |
| on: { | |
| SET_ALL_ACTIVE: transTo('Active'), | |
| TOGGLE_TODO: transTo('Active'), | |
| }, | |
| }, | |
| }, | |
| initial: 'Active', | |
| }); | |
| const todosViewMachine = Machine({ | |
| id: 'TodoView', | |
| context: { | |
| filter: 'All', | |
| todoStatusMachine: null, | |
| }, | |
| initial: 'BeforeCreate', | |
| states: { | |
| BeforeCreate: { | |
| id: 'BeforeCreate', | |
| states: {}, | |
| on: { | |
| INPUT_TEXT: '#Creating', | |
| }, | |
| }, | |
| Creating: { | |
| id: 'Creating', | |
| states: {}, | |
| on: { | |
| ENTER_KEY: '#Created', | |
| INPUT_EMPTY: '#BeforeCreate', | |
| }, | |
| }, | |
| Created: { | |
| id: 'Created', | |
| entry: assign({ | |
| todoStatusMachine: () => spawn(todoStatusMachine), | |
| }), | |
| on: { | |
| FILTER_ALL: { | |
| target: '.Unknown?', | |
| actions: assign({ filter: 'All' }), | |
| }, | |
| FILTER_ACTIVE: { | |
| target: '.Unknown?', | |
| actions: assign({ filter: 'Active' }), | |
| }, | |
| FILTER_COMPLETED: { | |
| target: '.Unknown?', | |
| actions: assign({ filter: 'Completed' }), | |
| }, | |
| SET_ALL_ACTIVE: { | |
| actions: send('SET_ALL_ACTIVE', { | |
| to: (context) => context.todoStatusMachine, | |
| }), | |
| }, | |
| SET_ALL_COMPLETED: { | |
| actions: send('SET_ALL_COMPLETED', { | |
| to: (context) => context.todoStatusMachine, | |
| }), | |
| }, | |
| TODO_STATUS_UPDATE: '.Unknown?', | |
| }, | |
| states: { | |
| Showing: { | |
| id: 'Showing', | |
| states: { | |
| Editing: { | |
| id: 'Editing', | |
| states: {}, | |
| on: { | |
| EMPTY_TEXT: '#Deleted', | |
| UPDATE_TEXT: { target: '#Reading', internal: true }, | |
| }, | |
| }, | |
| Reading: { | |
| id: 'Reading', | |
| states: {}, | |
| on: { | |
| CLICK_DESTROY: '#Deleted', | |
| TOGGLE_CHECK: { | |
| actions: send('TOGGLE_TODO', { | |
| to: (context) => context.todoStatusMachine, | |
| }), | |
| }, | |
| }, | |
| }, | |
| }, | |
| initial: 'Reading', | |
| }, | |
| Hidden: { | |
| id: 'Hidden', | |
| }, | |
| 'Unknown?': { | |
| id: 'Unknown?', | |
| on: { | |
| '': [ | |
| { | |
| target: '#Showing.Reading', | |
| cond: ({ filter, todoStatusMachine }) => { | |
| console.log( | |
| 'todo status machine', | |
| todoStatusMachine?.state.value | |
| ); | |
| return ( | |
| filter === 'All' || | |
| filter === todoStatusMachine?.state.value | |
| ); | |
| }, | |
| internal: true, | |
| }, | |
| { target: '#Hidden', internal: true }, | |
| ], | |
| }, | |
| }, | |
| }, | |
| initial: 'Unknown?', | |
| }, | |
| Deleted: { | |
| id: 'Deleted', | |
| type: 'final', | |
| }, | |
| }, | |
| }); |
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