@splitsoftware/splitio-commons/esm/evaluator/treatments/index.js

Split JavaScript SDK common components

import { findIndex } from '../../utils/lang';
var Treatments = /** @class */ (function () {
    function Treatments(ranges, treatments) {
        if (ranges[ranges.length - 1] !== 100) {
            throw new RangeError('Provided invalid dataset as input');
        }
        this._ranges = ranges;
        this._treatments = treatments;
    }
    Treatments.parse = function (data) {
        var _a = data.reduce(function (accum, value) {
            var size = value.size, treatment = value.treatment;
            accum.ranges.push(accum.inc += size);
            accum.treatments.push(treatment);
            return accum;
        }, {
            inc: 0,
            ranges: [],
            treatments: []
        }), ranges = _a.ranges, treatments = _a.treatments;
        return new Treatments(ranges, treatments);
    };
    Treatments.prototype.getTreatmentFor = function (x) {
        if (x < 0 || x > 100) {
            throw new RangeError('Please provide a value between 0 and 100');
        }
        // Readme [1]
        // We need to manually add any dependency which escape of dummy resolution
        // I'll deal with this in a future release
        // for (let [k, r] of this._ranges.entries()) {
        //   if (x <= r) return this._treatments[k];
        // }
        var index = findIndex(this._ranges, function (range) { return x <= range; });
        var treatment = this._treatments[index];
        return treatment;
    };
    return Treatments;
}());
export { Treatments };