standardnotes-app/app/assets/javascripts/app/app.js

'use strict';

var SN = SN || {};

angular.module('app', [
  'ngSanitize'
])

function getParameterByName(name, url) {
  name = name.replace(/[\[\]]/g, "\\$&");
  var regex = new RegExp("[?&]" + name + "(=([^&#]*)|&|#|$)"),
      results = regex.exec(url);
  if (!results) return null;
  if (!results[2]) return '';
  return decodeURIComponent(results[2].replace(/\+/g, " "));
}

function parametersFromURL(url) {
  url = url.split("?").slice(-1)[0];
  var obj = {};
  url.replace(/([^=&]+)=([^&]*)/g, function(m, key, value) {
    obj[decodeURIComponent(key)] = decodeURIComponent(value);
  });
  return obj;
}

function getPlatformString() {
  try {
    var platform = navigator.platform.toLowerCase();
    var trimmed = "";
    if(platform.indexOf("mac") !== -1) {
      trimmed = "mac";
    } else if(platform.indexOf("win") !== -1) {
      trimmed = "windows";
    } if(platform.indexOf("linux") !== -1) {
      trimmed = "linux";
    }

    return trimmed + (isDesktopApplication() ? "-desktop" : "-web");
  } catch (e) {
    return null;
  }
}

function isDesktopApplication() {
  return window && window.process && window.process.type && window.process.versions["electron"];
}

function isMacApplication() {
  return window && window.process && window.process.type && window.process.platform == "darwin";
}

/* Use with numbers and strings, not objects */
Array.prototype.containsPrimitiveSubset = function(array) {
  return !array.some(val => this.indexOf(val) === -1);
}

/* Use with numbers and strings, not objects */
Array.prototype.containsObjectSubset = function(array) {
  return !array.some(val => !_.find(this, val));
}

// https://tc39.github.io/ecma262/#sec-array.prototype.includes
if (!Array.prototype.includes) {
  Object.defineProperty(Array.prototype, 'includes', {
    value: function(searchElement, fromIndex) {

      if (this == null) {
        throw new TypeError('"this" is null or not defined');
      }

      // 1. Let O be ? ToObject(this value).
      var o = Object(this);

      // 2. Let len be ? ToLength(? Get(O, "length")).
      var len = o.length >>> 0;

      // 3. If len is 0, return false.
      if (len === 0) {
        return false;
      }

      // 4. Let n be ? ToInteger(fromIndex).
      //    (If fromIndex is undefined, this step produces the value 0.)
      var n = fromIndex | 0;

      // 5. If n ≥ 0, then
      //  a. Let k be n.
      // 6. Else n < 0,
      //  a. Let k be len + n.
      //  b. If k < 0, let k be 0.
      var k = Math.max(n >= 0 ? n : len - Math.abs(n), 0);

      function sameValueZero(x, y) {
        return x === y || (typeof x === 'number' && typeof y === 'number' && isNaN(x) && isNaN(y));
      }

      // 7. Repeat, while k < len
      while (k < len) {
        // a. Let elementK be the result of ? Get(O, ! ToString(k)).
        // b. If SameValueZero(searchElement, elementK) is true, return true.
        if (sameValueZero(o[k], searchElement)) {
          return true;
        }
        // c. Increase k by 1.
        k++;
      }

      // 8. Return false
      return false;
    }
  });
}