@rexxars/p-ratelimit/build/src/quota/quotaManager.js

Promise-based utility to make sure you don’t call rate-limited APIs too quickly.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getQuotaManager = void 0;
var dequeue_1 = require("../dequeue");
function getQuotaManager(quota) {
    var activeCount = 0;
    var history = dequeue_1.dequeue();
    function start() {
        if (activeCount >= quota.concurrency) {
            return false;
        }
        if (quota.interval !== undefined && quota.rate !== undefined) {
            removeExpiredHistory();
            if (history.length() >= quota.rate) {
                return false;
            }
            history.push(Date.now());
        }
        activeCount++;
        return true;
    }
    function end() {
        activeCount--;
    }
    function maxDelay() {
        return quota.maxDelay || 0;
    }
    function removeExpiredHistory() {
        var expired = Date.now() - quota.interval;
        while (history.length && history.peekFront() < expired) {
            history.shift();
        }
    }
    return { activeCount: function () { return activeCount; }, quota: quota, maxDelay: maxDelay, start: start, end: end };
}
exports.getQuotaManager = getQuotaManager;
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