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| /* | |
| * Entity CRUD | |
| * preview: https://xstate.js.org/viz/?gist=31505a4986fab5d82190d55eec826648 | |
| */ | |
| const machine = Machine({ | |
| id: 'handler', | |
| initial: 'idle', | |
| states: { | |
| idle: { | |
| type: 'atomic', | |
| on: { | |
| INVOKE: 'entity', | |
| }, | |
| }, | |
| // pending: { | |
| // type: 'parallel', | |
| // states: { | |
| // resource1: { | |
| // type: 'compound', | |
| // initial: 'pending', | |
| // states: { | |
| // pending: { | |
| // on: { | |
| // 'FULFILL.resource1': 'success', | |
| // }, | |
| // }, | |
| // success: { | |
| // type: 'final', | |
| // }, | |
| // }, | |
| // }, | |
| // resource2: { | |
| // type: 'compound', | |
| // initial: 'pending', | |
| // states: { | |
| // pending: { | |
| // on: { | |
| // 'FULFILL.resource2': 'success', | |
| // }, | |
| // }, | |
| // success: { | |
| // type: 'final', | |
| // }, | |
| // }, | |
| // }, | |
| // }, | |
| // onDone: 'loopThroughList', | |
| // }, | |
| entity: { | |
| // type: 'compound', | |
| initial: 'list', | |
| states: { | |
| list: { | |
| on: { | |
| 'ITEM.CLICK': 'item', | |
| CREATE: 'create', | |
| }, | |
| }, | |
| create: { | |
| initial: 'form', | |
| context: { | |
| retries: 0, | |
| }, | |
| states: { | |
| form: { | |
| on: { | |
| ADD: 'saving', | |
| }, | |
| }, | |
| saving: { | |
| on: { | |
| RESOLVE: 'success', | |
| REJECT: 'failure', | |
| }, | |
| }, | |
| success: { | |
| type: 'final', | |
| }, | |
| failure: { | |
| on: { | |
| RETRY: { | |
| target: 'saving', | |
| actions: assign({ | |
| retries: (context, event) => context.retries + 1, | |
| }), | |
| }, | |
| }, | |
| }, | |
| }, | |
| }, | |
| item: { | |
| initial: 'show', | |
| states: { | |
| show: { | |
| on: { | |
| // BACK_TO_LIST: 'list', | |
| EDIT: 'edit', | |
| DELETE: 'delete', | |
| }, | |
| }, | |
| edit: { | |
| initial: 'form', | |
| context: { | |
| retries: 0, | |
| }, | |
| states: { | |
| form: { | |
| on: { | |
| ADD: 'saving', | |
| }, | |
| }, | |
| saving: { | |
| on: { | |
| RESOLVE: 'success', | |
| REJECT: 'failure', | |
| }, | |
| }, | |
| success: { | |
| type: 'final', | |
| }, | |
| failure: { | |
| on: { | |
| RETRY: { | |
| target: 'saving', | |
| actions: assign({ | |
| retries: (context, event) => context.retries + 1, | |
| }), | |
| }, | |
| }, | |
| }, | |
| }, | |
| // on: { | |
| // CANCEL: 'show', | |
| // UPDATE: 'show' // async/remote | |
| // } | |
| }, | |
| delete: { | |
| initial: 'form', | |
| context: { | |
| retries: 0, | |
| }, | |
| states: { | |
| form: { | |
| on: { | |
| ADD: 'saving', | |
| }, | |
| }, | |
| saving: { | |
| on: { | |
| RESOLVE: 'success', | |
| REJECT: 'failure', | |
| }, | |
| }, | |
| success: { | |
| type: 'final', | |
| }, | |
| failure: { | |
| on: { | |
| RETRY: { | |
| target: 'saving', | |
| actions: assign({ | |
| retries: (context, event) => context.retries + 1, | |
| }), | |
| }, | |
| }, | |
| }, | |
| }, | |
| // on: { | |
| // CANCEL: 'show', | |
| // DELETE: 'show' // async/remote | |
| // } | |
| }, | |
| }, | |
| }, | |
| // on: { | |
| // BACK_TO_LIST: 'list', | |
| // ADD: 'list' // async/remote | |
| // } | |
| }, | |
| // show: { | |
| // on: { | |
| // BACK_TO_LIST: 'list', | |
| // EDIT: 'edit' // async/remote | |
| // } | |
| // }, | |
| // edit: { | |
| // on: { | |
| // CANCEL: 'show', | |
| // UPDATE: 'show' // async/remote | |
| // } | |
| // }, | |
| // delete: { | |
| // on: { | |
| // CANCEL: 'show', | |
| // DELETE: 'show' // async/remote | |
| // } | |
| // } | |
| }, | |
| // hist: { | |
| // type: 'history', | |
| // history: 'shallow', | |
| // }, | |
| }, | |
| }); |
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