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August 31, 2021 15:08
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const connectionMachine = Machine({ | |
id: 'connection', | |
initial: 'testing', | |
states: { | |
testing: { | |
invoke: { | |
id: 'testing', | |
src: 'test', | |
onDone: [{ | |
target: 'unknown', | |
cond(content, event) { | |
return event.data === 'unknown' | |
}, | |
}, { | |
target: 'connected', | |
cond(content, event) { | |
return event.data === 'connected' | |
} | |
}, { | |
target: 'disconnected', | |
cond(content, event) { | |
return event.data === 'disconnected' | |
} | |
}], | |
onError: 'unknown' | |
} | |
}, | |
unknown: { | |
id: 'unknown', | |
invoke: { | |
src: 'listen' | |
}, | |
}, | |
connected: { | |
id: 'connected', | |
invoke: { | |
src: 'listen' | |
}, | |
}, | |
disconnected: { | |
id: 'disconnected', | |
invoke: { | |
src: 'listen' | |
}, | |
}, | |
}, | |
on: { | |
CONNECT: 'connected', | |
DICCONNECT: 'disconnected', | |
UNKNOWN: 'unknown', | |
TEST: 'testing' | |
} | |
}, { | |
services: { | |
test() { | |
return new Promise((resolve, reject) => { | |
if (Math.random() > 0.5) { | |
resolve(Math.random() > 0.5?'disconnected':'connected') | |
} else { | |
reject() | |
} | |
}) | |
}, | |
listen: () => callback => { | |
callback('unknown') | |
} | |
} | |
}); |
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