intercom-client
Version:
Official Node bindings to the Intercom API
41 lines (40 loc) • 2.06 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.requestWithRetries = requestWithRetries;
const INITIAL_RETRY_DELAY = 1000; // in milliseconds
const MAX_RETRY_DELAY = 60000; // in milliseconds
const DEFAULT_MAX_RETRIES = 2;
const JITTER_FACTOR = 0.2; // 20% random jitter
function addJitter(delay) {
// Generate a random value between -JITTER_FACTOR and +JITTER_FACTOR
const jitterMultiplier = 1 + (Math.random() * 2 - 1) * JITTER_FACTOR;
return delay * jitterMultiplier;
}
function requestWithRetries(requestFn_1) {
return __awaiter(this, arguments, void 0, function* (requestFn, maxRetries = DEFAULT_MAX_RETRIES) {
let response = yield requestFn();
for (let i = 0; i < maxRetries; ++i) {
if ([408, 429].includes(response.status) || response.status >= 500) {
// Calculate base delay using exponential backoff (in milliseconds)
const baseDelay = Math.min(INITIAL_RETRY_DELAY * Math.pow(2, i), MAX_RETRY_DELAY);
// Add jitter to the delay
const delayWithJitter = addJitter(baseDelay);
yield new Promise((resolve) => setTimeout(resolve, delayWithJitter));
response = yield requestFn();
}
else {
break;
}
}
return response;
});
}