@splitsoftware/splitio-commons/cjs/evaluator/condition/engineUtils.js

Split JavaScript SDK common components

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.shouldApplyRollout = exports.getTreatment = void 0;
var constants_1 = require("../../logger/constants");
var murmur3_1 = require("../../utils/murmur3/murmur3");
/**
 * Get the treatment name given a key, a seed, and the percentage of each treatment.
 */
function getTreatment(log, key, seed, treatments) {
    var _bucket = (0, murmur3_1.bucket)(key, seed);
    var treatment = treatments.getTreatmentFor(_bucket);
    log.debug(constants_1.ENGINE_BUCKET, [_bucket, key, seed, treatment]);
    return treatment;
}
exports.getTreatment = getTreatment;
/**
 * Evaluates the traffic allocation to see if we should apply rollout conditions or not.
 */
function shouldApplyRollout(trafficAllocation, key, trafficAllocationSeed) {
    // For rollout, if traffic allocation for splits is 100%, we don't need to filter it because everything should evaluate the rollout.
    if (trafficAllocation < 100) {
        var _bucket = (0, murmur3_1.bucket)(key, trafficAllocationSeed);
        if (_bucket > trafficAllocation) {
            return false;
        }
    }
    return true;
}
exports.shouldApplyRollout = shouldApplyRollout;