Feature flipping data and rules

feature-flip-data-rules.js

const data = {
  browser: {
    name: 'Chrome',
    version: '52.4.53.123',
    os: 'Mac'
  },
  env: 'development',
  settings: {
    audioConference: {
      release: '2016-10-23 22:34:12'
    }
  },
  user: {
    name: 'Ole',
    role: 'Trusted',
    profile: {
      avatar: ...
    }
  }
}


const rules = {
  user: {
    group: /alpha|beta|theta/i
  },
  
  browser: {
    name: 'Chrome'
  },

  browser: {
    name: ['Chrome', 'Firefox']
  },

  browser: {
    version: function (data) {
      return parseInt(data.version) > 42 && parseInt(data.version) < 50;
    }
  },

  settings: {
    audioConference: function (data) {
      return (new Date()) > data.release;
    }
  }
};