hy-push-state/lib/common.js

Turn static web sites into dynamic web apps

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.matchesAncestors = matchesAncestors;
exports.isExternal = isExternal;
exports.isHash = isHash;
exports.getScrollHeight = getScrollHeight;
exports.getScrollLeft = getScrollLeft;
exports.getScrollTop = getScrollTop;
exports.fragmentFromString = fragmentFromString;
exports.matches = void 0;
// # src / common.js
// Copyright (c) 2018 Florian Klampfer <https://qwtel.com/>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
var matches = Element.prototype.matches || Element.prototype.matchesSelector || Element.prototype.msMatchesSelector || Element.prototype.mozMatchesSelector || Element.prototype.webkitMatchesSelector || Element.prototype.oMatchesSelector; // Checks if this element or any of its parents matches a given `selector`.

exports.matches = matches;

function matchesAncestors(selector) {
  var curr = this;

  while (curr !== document && curr !== document.documentElement) {
    if (matches.call(curr, selector)) return curr;
    curr = curr.parentNode;
  }

  return null;
} // Consider a URL external if either the protocol, hostname or port is different.


function isExternal(_ref) {
  var protocol = _ref.protocol,
      host = _ref.host;
  var location = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : window.location;
  return protocol !== location.protocol || host !== location.host;
}

function isHash(_ref2) {
  var hash = _ref2.hash,
      origin = _ref2.origin,
      pathname = _ref2.pathname;
  var location = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : window.location;
  return hash !== "" && origin === location.origin && pathname === location.pathname;
}

function getScrollHeight() {
  var h = document.documentElement;
  var b = document.body;
  var sh = "scrollHeight";
  return h[sh] || b[sh];
}

function getScrollLeft() {
  return window.pageXOffset || document.body.scrollLeft;
}

function getScrollTop() {
  return window.pageYOffset || document.body.scrollTop;
}

function fragmentFromString(strHTML) {
  return document.createRange().createContextualFragment(strHTML);
}