@splitsoftware/splitio-commons/esm/sync/polling/fetchers/segmentChangesFetcher.js

Split JavaScript SDK common components

import { __spreadArray } from "tslib";
function greedyFetch(fetchSegmentChanges, since, segmentName, noCache, targetTill) {
    return fetchSegmentChanges(since, segmentName, noCache, targetTill)
        .then(function (resp) { return resp.json(); })
        .then(function (json) {
        var since = json.since, till = json.till;
        if (since === till) {
            return [json];
        }
        else {
            return Promise.all([json, greedyFetch(fetchSegmentChanges, till, segmentName, noCache, targetTill)]).then(function (flatMe) {
                return __spreadArray([flatMe[0]], flatMe[1], true);
            });
        }
    });
}
/**
 * Factory of SegmentChanges fetcher.
 * SegmentChanges fetcher is a wrapper around `segmentChanges` API service that parses the response and handle errors and retries.
 */
export function segmentChangesFetcherFactory(fetchSegmentChanges) {
    return function segmentChangesFetcher(since, segmentName, noCache, till, 
    // Optional decorator for `fetchSegmentChanges` promise, such as timeout or time tracker
    decorator) {
        var segmentsPromise = greedyFetch(fetchSegmentChanges, since, segmentName, noCache, till);
        if (decorator)
            segmentsPromise = decorator(segmentsPromise);
        return segmentsPromise;
    };
}