Created
March 16, 2021 03:49
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| /** | |
| * @file: description | |
| * @author: hufan | |
| * @Date: 2021-03-12 17:27:49 | |
| * @LastEditors: hufan | |
| * @LastEditTime: 2021-03-12 19:00:31 | |
| */ | |
| const stopLightMachine = Machine( | |
| { | |
| id: "stopLight", | |
| initial: "green", | |
| context: { | |
| currentlight: "green", | |
| }, | |
| states: { | |
| green: { | |
| entry: assign({ | |
| currentlight: "green", | |
| }), | |
| after: { | |
| GREEN_TIMER: "greenB", | |
| }, | |
| }, | |
| greenB: { | |
| after: { | |
| GREEN_BLINK_TIMER: "yellow", | |
| }, | |
| }, | |
| yellow: { | |
| after: { | |
| YELLOW_TIMER: "yellowB", | |
| }, | |
| }, | |
| yellowB: { | |
| after: { | |
| YELLOW_BLINK_TIMER: [ | |
| { | |
| target: "red", | |
| cond: (context, event) => { | |
| console.log("context.currentlight", context.currentlight); | |
| if (context.currentlight === "green") return true; | |
| return false; | |
| }, | |
| }, | |
| { | |
| target: "green", | |
| cond: (context, event) => { | |
| if (context.currentlight === "red") return true; | |
| return false; | |
| }, | |
| }, | |
| ], | |
| }, | |
| }, | |
| red: { | |
| after: { | |
| RED_TIMER: "redB", | |
| }, | |
| entry: assign({ | |
| currentlight: "red", | |
| }), | |
| }, | |
| redB: { | |
| after: { | |
| RED_BLINK_TIMER: "yellow", | |
| }, | |
| }, | |
| hist: { | |
| type: "history", | |
| }, | |
| }, | |
| }, | |
| { | |
| delays: { | |
| GREEN_TIMER: 3000, | |
| GREEN_BLINK_TIMER: 1000, | |
| YELLOW_TIMER: 2000, | |
| YELLOW_BLINK_TIMER: 3000, | |
| RED_TIMER: 3000, | |
| RED_BLINK_TIMER: 1000, | |
| }, | |
| } | |
| ); |
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