backoff-rxjs
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A collection of helpful RxJS operators to deal with backoff strategies (like exponential backoff)
13 lines (12 loc) • 756 B
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.intervalBackoff = void 0;
const rxjs_1 = require("rxjs");
const utils_1 = require("../utils");
function intervalBackoff(config, scheduler = rxjs_1.asyncScheduler) {
let { initialInterval, maxInterval = Infinity, backoffDelay = utils_1.exponentialBackoffDelay, } = typeof config === 'number' ? { initialInterval: config } : config;
initialInterval = initialInterval < 0 ? 0 : initialInterval;
return (0, rxjs_1.of)(0, scheduler).pipe((0, rxjs_1.expand)((iteration) => (0, rxjs_1.timer)((0, utils_1.getDelay)(backoffDelay(iteration, initialInterval), maxInterval))
.pipe((0, rxjs_1.mapTo)(iteration + 1))));
}
exports.intervalBackoff = intervalBackoff;