hypertune/dist/lib/getOverrideFromOverridesList.js

[Hypertune](https://www.hypertune.com/) is the most flexible platform for feature flags, A/B testing, analytics and app configuration. Built with full end-to-end type-safety, Git-style version control and local, synchronous, in-memory flag evaluation. Opt

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = getOverrideFromOverridesList;
const constants_1 = require("../shared/constants");
const merge_1 = __importDefault(require("./merge"));
function getOverrideFromOverridesList(values) {
    if (values.length === 0) {
        return null;
    }
    const override = (0, merge_1.default)({}, ...values.flatMap(([flagPath, value]) => {
        if (value === null) {
            return [];
        }
        const flagPathSteps = flagPath.split(".").reverse();
        const flagName = flagPathSteps.pop();
        return [
            {
                [flagName]: flagPathSteps.reduce((current, step) => ({ [step]: current }), value),
            },
        ];
    }));
    if (Object.keys(override).length === 0) {
        return null;
    }
    if (!(constants_1.rootFieldName in override)) {
        return { [constants_1.rootFieldName]: override };
    }
    return override;
}
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