@splitsoftware/splitio-commons/esm/storages/inMemory/SegmentsCacheInMemory.js

Split JavaScript SDK common components

import { isIntegerNumber } from '../../utils/lang';
/**
 * Default ISplitsCacheSync implementation for server-side that stores segments definitions in memory.
 */
var SegmentsCacheInMemory = /** @class */ (function () {
    function SegmentsCacheInMemory() {
        this.segmentCache = {};
        this.segmentChangeNumber = {};
    }
    SegmentsCacheInMemory.prototype.update = function (name, addedKeys, removedKeys, changeNumber) {
        var keySet = this.segmentCache[name] || new Set();
        addedKeys.forEach(function (k) { return keySet.add(k); });
        removedKeys.forEach(function (k) { return keySet.delete(k); });
        this.segmentCache[name] = keySet;
        this.segmentChangeNumber[name] = changeNumber;
        return addedKeys.length > 0 || removedKeys.length > 0;
    };
    SegmentsCacheInMemory.prototype.isInSegment = function (name, key) {
        var segmentValues = this.segmentCache[name];
        if (segmentValues) {
            return segmentValues.has(key);
        }
        return false;
    };
    SegmentsCacheInMemory.prototype.clear = function () {
        this.segmentCache = {};
        this.segmentChangeNumber = {};
    };
    SegmentsCacheInMemory.prototype._registerSegment = function (name) {
        if (!this.segmentCache[name]) {
            this.segmentCache[name] = new Set();
        }
        return true;
    };
    SegmentsCacheInMemory.prototype.registerSegments = function (names) {
        for (var i = 0; i < names.length; i++) {
            this._registerSegment(names[i]);
        }
        return true;
    };
    SegmentsCacheInMemory.prototype.getRegisteredSegments = function () {
        return Object.keys(this.segmentCache);
    };
    SegmentsCacheInMemory.prototype.getKeysCount = function () {
        var _this = this;
        return Object.keys(this.segmentCache).reduce(function (acum, segmentName) {
            return acum + _this.segmentCache[segmentName].size;
        }, 0);
    };
    SegmentsCacheInMemory.prototype.getChangeNumber = function (name) {
        var value = this.segmentChangeNumber[name];
        return isIntegerNumber(value) ? value : undefined;
    };
    // No-op. Not used in server-side
    SegmentsCacheInMemory.prototype.resetSegments = function () { return false; };
    return SegmentsCacheInMemory;
}());
export { SegmentsCacheInMemory };