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January 6, 2020 16:08
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// Available variables: | |
// - Machine | |
// - interpret | |
// - assign | |
// - send | |
// - sendParent | |
// - spawn | |
// - raise | |
// - actions | |
// - XState (all XState exports) | |
const fetchCuteAnimals = () => { | |
return fetch('https://www.reddit.com/r/aww.json') | |
.then(res => res.json()) | |
.then(res => res.data.children.map(child => child.data.title)) | |
} | |
const cuteAnimalMachine = Machine({ | |
id: 'cuteAnimals', | |
initial: 'idle', | |
context: { | |
cuteAnimals: null, | |
error: null, | |
}, | |
states: { | |
idle: { | |
on: { FETCH: 'loading' }, | |
}, | |
loading: { | |
invoke: { | |
id: 'fetchCuteAnimals', | |
src: fetchCuteAnimals, | |
onDone: { | |
target: 'success', | |
actions: [ | |
assign({ | |
cuteAnimals: (context, event) => event.data, | |
}), | |
], | |
}, | |
onError: { | |
target: 'failure', | |
actions: [ | |
assign({ | |
error: (context, event) => event.data, | |
}), | |
], | |
}, | |
}, | |
}, | |
success: { | |
type: 'final', | |
}, | |
failure: { | |
on: { | |
RETRY: 'loading', | |
}, | |
}, | |
}, | |
}) |
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