@philpl/ga-lite/dist/ga-lite.js

Small, cacheable subset of Google Analytics JS client

"use strict";

function doNotTrackEnabled() {
  return "undefined" == typeof navigator || "undefined" == typeof window ? !1 : 1 === parseInt(navigator.msDoNotTrack || window.doNotTrack || navigator.doNotTrack, 10);
}

var store = {};

function getTracker(a) {
  return store[a];
}

function _extends() {
  return (_extends = Object.assign || function(a) {
    for (var b = 1; b < arguments.length; b++) {
      var d, c = arguments[b];
      for (d in c) {
        Object.prototype.hasOwnProperty.call(c, d) && (a[d] = c[d]);
      }
    }
    return a;
  }).apply(this, arguments);
}

function fallbackSendTo(a) {
  (new Image).src = a;
}

function sendTo(a) {
  if ("undefined" == typeof navigator || !navigator.sendBeacon || !navigator.sendBeacon(a)) {
    try {
      var b = new XMLHttpRequest;
      b.timeout = 5e3;
      b.ontimeout = b.onerror = fallbackSendTo.bind(null, a);
      b.open("GET", a, !0);
      b.send();
    } catch (c) {
      fallback(a);
    }
  }
}

function getOptionalStr(a, b) {
  void 0 === b && (b = []);
  return !a || -1 < b.indexOf(void 0) ? "" : "&" + a + "=" + b.map(encodeURIComponent).join("");
}

function booleansToNumbers(a) {
  return "boolean" == typeof a ? +a : a;
}

var FIELDS_TO_PARAMS_MAP = {
  anonymizeIp: "aip",
  dataSource: "ds",
  queueTime: "qt",
  userId: "uid",
  sessionControl: "sc",
  referrer: "dr",
  campaignName: "cn",
  campaignSource: "cs",
  campaignMedium: "cm",
  campaignKeyword: "ck",
  campaignContent: "cc",
  campaignId: "ci",
  screenResolution: "sr",
  viewportSize: "vp",
  encoding: "de",
  screenColors: "sd",
  language: "ul",
  javaEnabled: "je",
  flashVersion: "fl",
  hitType: "t",
  nonInteraction: "ni",
  location: "dl",
  hostname: "dh",
  page: "dp",
  title: "dt",
  screenName: "cd",
  linkid: "linkid",
  appName: "an",
  appId: "aid",
  appVersion: "av",
  appInstallerId: "aiid",
  eventCategory: "ec",
  eventAction: "ea",
  eventLabel: "el",
  eventValue: "ev",
  currencyCode: "cu",
  socialNetwork: "sn",
  socialAction: "sa",
  socialTarget: "st",
  timingCategory: "utc",
  timingVar: "utv",
  timingValue: "utt",
  timingLabel: "utl",
  exDescription: "exd",
  exFatal: "exf",
  expId: "xid",
  expVar: "xvar"
}, CUSTOM_VALUES_RE = /(dimension|metric)(\d+)/, CUSTOM_VALUES_TO_PARAMS_MAP = {
  dimension: "cd",
  metric: "cm"
};

function buildEventUrl(a, b, c, d, e) {
  void 0 === d && (d = {});
  void 0 === e && (e = !1);
  d = function objectToQueryString(a) {
    void 0 === a && (a = {});
    return Object.keys(a).map((function(b) {
      return [ b, a[b] ].map(booleansToNumbers).map(encodeURIComponent).join("=");
    })).join("&");
  }(function fieldsToParams(a) {
    var c, b = {};
    for (c in a) {
      var d = a[c];
      if (d) {
        c in FIELDS_TO_PARAMS_MAP && (b[FIELDS_TO_PARAMS_MAP[c]] = d);
        var e = CUSTOM_VALUES_RE.exec(c);
        e && (b[CUSTOM_VALUES_TO_PARAMS_MAP[e[1]] + e[2]] = d);
      }
    }
    return b;
  }(d));
  return function getBaseUrl(a, b) {
    return "https://www.google-analytics.com/collect?v=1&ul=en-us&de=UTF-8" + getOptionalStr("dl", [ document.location.href ]) + getOptionalStr("dt", [ document.title ]) + getOptionalStr("sd", [ window.screen.colorDepth, "-bit" ]) + getOptionalStr("sr", [ window.screen.availWidth, "x", window.screen.availHeight ]) + getOptionalStr("vp", [ window.innerWidth, "x", window.innerHeight ]) + getOptionalStr("dr", [ document.referrer ]);
  }() + (d ? "&" + d : "") + (e ? "&aip=1" : "") + "&cid=" + c + "&tid=" + a + "&z=" + b;
}

function userOptedOut(a) {
  return !0 === window["ga-disable-" + a];
}

var Tracker = function(a) {
  this.fields = {
    trackingId: a
  };
  this.userId = function getUserId(a) {
    void 0 === a && (a = window ? window.localStorage : null);
    if (a && a.getItem("uid")) {
      return a.getItem("uid");
    }
    var b = Math.random() + "." + Math.random();
    a && a.setItem("uid", b);
    return b;
  }();
  this._sendTo = sendTo;
  this._getTime = getTime;
};

Tracker.prototype.send = function(a) {
  for (var b = [], c = arguments.length - 1; 0 < c--; ) {
    b[c] = arguments[c + 1];
  }
  userOptedOut(this.fields.trackingId) || (b = _extends({}, {
    hitType: a
  }, argumentsToFields(a, b), this.fields), b = buildEventUrl(this.fields.trackingId, this._getTime(), this.userId, b), 
  this._sendTo(b));
};

Tracker.prototype.get = function(a) {
  return this.fields[a];
};

Tracker.prototype.set = function(a, b) {
  if (a.constructor === Object) {
    for (var c in a) {
      this.fields[c] = a[c];
    }
  } else {
    this.fields[a] = b;
  }
};

function getTime() {
  return (new Date).getTime();
}

function argumentsToFields(a, b) {
  void 0 === b && (b = []);
  var c = 1 <= b.length && b[b.length - 1].constructor === Object, d = c ? b[b.length - 1] : {};
  b = c ? b.slice(0, -1) : b;
  switch (a) {
   case "pageview":
    return _extends({}, {
      page: b[0]
    }, d);

   case "event":
    return _extends({}, {
      eventCategory: b[0],
      eventAction: b[1],
      eventLabel: b[2],
      eventValue: b[3]
    }, d);

   case "social":
    return _extends({}, {
      socialNetwork: b[0],
      socialAction: b[1],
      socialTarget: b[2]
    }, d);

   case "timing":
    return _extends({}, {
      timingCategory: b[0],
      timingVar: b[1],
      timingValue: b[2],
      timingLabel: b[3]
    }, d);

   default:
    return d;
  }
}

var galiteCommands = {
  create: function create(a, b, c, d) {
    void 0 === c && (c = "t0");
    !function addTracker(a, b) {
      store[a] = b;
    }(c, a = new Tracker(a));
    return a;
  },
  getByName: function getByName(a) {
    return getTracker(a);
  }
};

function galite(a) {
  for (var b = [], c = arguments.length - 1; 0 < c--; ) {
    b[c] = arguments[c + 1];
  }
  if (doNotTrackEnabled()) {
    return !1;
  }
  var d = splitTrackerCommand(a);
  c = d[0];
  var e = !!Tracker.prototype[d = d[1]] && "constructor" !== d;
  if (galiteCommands[a]) {
    galiteCommands[a].apply(galiteCommands, b);
  } else if (e) {
    (c = getTracker(c)) && c[d].apply(c, b);
  } else if ("function" == typeof a) {
    a(b = getTracker(c));
  } else {
    return !1;
  }
  return !0;
}

function splitTrackerCommand(a) {
  return "string" == typeof a && -1 < a.indexOf(".") ? a.split(".") : [ "t0", a ];
}

Object.keys(galiteCommands).forEach((function(a) {
  galite[a] = galiteCommands[a];
}));

exports.default = galite;
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