Created
December 29, 2019 17:31
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| const machineConfig = { | |
| initial: "idle", | |
| id: "main", | |
| context: { | |
| initialTime: 0, | |
| currentTime: 0, | |
| notificationTimes: [] | |
| }, | |
| states: { | |
| idle: { | |
| on: { | |
| START: "running", | |
| RESET: { | |
| actions: ["reset"] | |
| }, | |
| SET_TIME: { | |
| actions: ["setTime"] | |
| }, | |
| SET_NOTIFICATION_TIMES: { | |
| internal: false, | |
| actions: ["setNotifications"] | |
| } | |
| } | |
| }, | |
| running: { | |
| invoke: [ | |
| { src: "timer", id: "timer" }, | |
| { src: "plantNotifications", id: "plantNotifications" } | |
| ], | |
| on: { | |
| "": { | |
| target: "idle", | |
| cond: ({ currentTime }) => currentTime <= 0 | |
| }, | |
| STOP: "idle", | |
| COUNT_DOWN: { | |
| actions: ["countDown"] | |
| } | |
| } | |
| } | |
| } | |
| }; | |
| const machineOptions = { | |
| actions: { | |
| setNotifications: assign({ | |
| notificationTimes: (context, event) => { | |
| if (event.type === "SET_NOTIFICATION_TIMES") { | |
| return event.payload.notificationTimes; | |
| } | |
| return context.notificationTimes; | |
| } | |
| }), | |
| setTime: assign({ | |
| initialTime: (context, event) => | |
| event.type === "SET_TIME" ? event.payload.time : context.initialTime, | |
| currentTime: (context, event) => | |
| event.type === "SET_TIME" ? event.payload.time : context.currentTime | |
| }), | |
| countDown: assign({ | |
| currentTime: context => context.currentTime - secsToMS(1) | |
| }), | |
| reset: assign({ | |
| currentTime: context => context.initialTime | |
| }) | |
| }, | |
| services: { | |
| timer: () => (cb) => { | |
| const interval = setInterval(() => { | |
| cb("COUNT_DOWN"); | |
| }, secsToMS(1)); | |
| return () => { | |
| clearInterval(interval); | |
| }; | |
| } | |
| } | |
| }; | |
| const machine = Machine(machineConfig, machineOptions); |
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