@absmartly/javascript-sdk/es/config.js

A/B Smartly Javascript SDK

"use strict";

var __importDefault = this && this.__importDefault || function (mod) {
  return mod && mod.__esModule ? mod : {
    "default": mod
  };
};
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.mergeConfig = void 0;
const default_1 = __importDefault(require("rfdc/default"));
const utils_1 = require("./utils");
function mergeConfig(context, previousConfig) {
  const merged = (0, default_1.default)(previousConfig);
  const keys = context.variableKeys();
  for (const [variableKey, experimentName] of Object.entries(keys)) {
    let target = merged;
    const frags = variableKey.split(".");
    for (let index = 0; index < frags.length; ++index) {
      const frag = frags[index];
      if (`_${frag}_setter` in target) {
        console.error(`Config key '${frags.slice(0, index + 1).join(".")}' already set by experiment '${target[`_${frag}_setter`]}'.`);
        target = undefined;
        break;
      }
      if (frag in target) {
        if (index < frags.length - 1) {
          if (!(0, utils_1.isObject)(target[frag])) {
            console.warn(`Config key '${variableKey}' for experiment '${experimentName}' is overriding non-object value at '${frags.slice(0, index + 1).join(".")}' with an object.`);
            target = target[frag] = {};
          } else {
            target = target[frag];
          }
        }
      }
      if (index === frags.length - 1) {
        const defaultValue = target[frag];
        Object.defineProperty(target, `_${frag}_setter`, {
          value: experimentName,
          writable: false
        });
        Object.defineProperty(target, frag, {
          get: () => {
            return context.variableValue(variableKey, defaultValue);
          }
        });
      }
    }
  }
  return merged;
}
exports.mergeConfig = mergeConfig;