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@conorhastings
Created December 24, 2017 17:01
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subscriable request
export default function subscribableRequest({ baseUrl }) {
let subscriptions = {};
return {
fetch: ({ endpoint, ...rest }) => (
fetch(`${baseUrl}/${endpoint}`, ...rest)
.then(res => res.json())
.then(res => {
subscriptions[endpoint] &&
subscriptions[endpoint].forEach(sub => sub(res));
return res;
});
),
subscribe({ endpoint, fn }) {
subscriptions[endpoint] = (subscriptions[endpoint] || []).concat(fn);
return function unsubscribe() {
subscriptions = subscriptions.filter(sub => sub !== fn);
}
}
}
}
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