react-native-ultimate-config/src/flatten.spec.js

Config that works

const flatten = require("./flatten");

describe("flatten", () => {
  it("flattens config per platform", () => {
    const config = {
      value1: "abc",
      value2: { ios: "def", android: "xyz", web: "123" },
    };
    const flat_ios = flatten(config, "ios");
    expect(flat_ios).toEqual({ value1: "abc", value2: "def" });
    const flat_android = flatten(config, "android");
    expect(flat_android).toEqual({ value1: "abc", value2: "xyz" });
    const flat_web = flatten(config, "web");
    expect(flat_web).toEqual({ value1: "abc", value2: "123" });
  });
});