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| "use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
var _stringify = require("babel-runtime/core-js/json/stringify");
var _stringify2 = _interopRequireDefault(_stringify);
var _slicedToArray2 = require("babel-runtime/helpers/slicedToArray");
var _slicedToArray3 = _interopRequireDefault(_slicedToArray2);
var _entries = require("babel-runtime/core-js/object/entries");
var _entries2 = _interopRequireDefault(_entries);
var _getIterator2 = require("babel-runtime/core-js/get-iterator");
var _getIterator3 = _interopRequireDefault(_getIterator2);
var _classCallCheck2 = require("babel-runtime/helpers/classCallCheck");
var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
var _createClass2 = require("babel-runtime/helpers/createClass");
var _createClass3 = _interopRequireDefault(_createClass2);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
/*
* The MIT License (MIT)
*
* Copyright (c) 2015 David Heidrich, BowlingX <me@bowlingx.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
var PFX = ["webkit", "moz", "MS", "o", ""];
var COL_LEFT_CLASS = 'is-collision-left';
var COL_RIGHT_CLASS = 'is-collision-right';
var COL_BOTTOM_CLASS = 'is-collision-bottom';
/**
* Provides shared DOM-Utility functions
*/
var Util = function () {
function Util() {
(0, _classCallCheck3.default)(this, Util);
}
(0, _createClass3.default)(Util, null, [{
key: "prefixedAnimateEvent",
/**
* Will register the right animation event based on browser
* @param element
* @param type
* @param callback
*/
value: function prefixedAnimateEvent(element, type, callback) {
var thisFunction = function thisFunction(e) {
callback.apply(element, [e, thisFunction]);
};
for (var p = 0; p < PFX.length; p++) {
var thisType = type;
if (!PFX[p]) {
thisType = type.toLowerCase();
}
var name = PFX[p] + thisType;
element.addEventListener(name, thisFunction, true);
}
}
/**
* Get correct transitionend event
* @returns {String}
* @private
*/
}, {
key: "whichTransitionEndEvent",
value: function whichTransitionEndEvent() {
var el = document.createElement('fake');
var transitions = {
transition: 'transitionend',
OTransition: 'oTransitionEnd',
MozTransition: 'transitionend',
WebkitTransition: 'webkitTransitionEnd'
};
var _iteratorNormalCompletion = true;
var _didIteratorError = false;
var _iteratorError = undefined;
try {
for (var _iterator = (0, _getIterator3.default)((0, _entries2.default)(transitions)), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
var _step$value = (0, _slicedToArray3.default)(_step.value, 2),
key = _step$value[0],
value = _step$value[1];
Eif (el.style[key] !== undefined) {
return value;
}
}
} catch (err) {
_didIteratorError = true;
_iteratorError = err;
} finally {
try {
Iif (!_iteratorNormalCompletion && _iterator.return) {
_iterator.return();
}
} finally {
Iif (_didIteratorError) {
throw _iteratorError;
}
}
}
}
/**
* Check if target is part of parent node
* @param target
* @param parent
* @returns {boolean}
*/
}, {
key: "isPartOfNode",
value: function isPartOfNode(target, parent) {
Iif (!target || !parent) {
return false;
}
var now = target;
while (now !== parent && now !== null) {
Iif (now === parent) {
break;
}
now = now.parentNode;
}
return now !== null;
}
/**
* Finds the closest element including itself matching a callback
* @param {Node} el
* @param {Function} callback
* @returns {Node|boolean}
*/
}, {
key: "closestCallback",
value: function closestCallback(el, callback) {
var element = el;
while (element !== null) {
if (callback(element)) {
return element;
}
element = element.parentNode;
}
return false;
}
/**
* Walks the tree until func returns true for given argument
* @param target
* @param func
* @returns {boolean|HTMLElement}
*/
}, {
key: "parentsUntil",
value: function parentsUntil(target, func) {
Iif (!target) {
return false;
}
var now = target;
while (!func(now) && now !== null) {
now = now.parentNode;
}
return now;
}
/**
* Generates a unique id
* @return {String}
*/
}, {
key: "guid",
value: function guid() {
function s4() {
return Math.floor((1 + Math.random()) * 0x10000).toString(16).substring(1);
}
return s4() + s4() + "-" + s4() + "-" + s4() + "-" + s4() + "-" + (s4() + s4() + s4());
}
/**
* Detects scrollbar width
* @see http://stackoverflow.com/questions/986937/how-can-i-get-the-browsers-scrollbar-sizes
* @returns {number}
*/
}, {
key: "getScrollBarWidth",
value: function getScrollBarWidth() {
var doc = global.document;
var inner = doc.createElement('p');
inner.style.width = "100%";
inner.style.height = "200px";
var outer = doc.createElement('div');
outer.style.position = "absolute";
outer.style.top = "0px";
outer.style.left = "0px";
outer.style.visibility = "hidden";
outer.style.width = "200px";
outer.style.height = "150px";
outer.style.overflow = "hidden";
outer.appendChild(inner);
doc.body.appendChild(outer);
var w1 = inner.offsetWidth;
outer.style.overflow = 'scroll';
var w2 = inner.offsetWidth;
Eif (w1 === w2) {
w2 = outer.clientWidth;
}
doc.body.removeChild(outer);
return w1 - w2;
}
/**
* Run an event once
* @param {String} ev
* @param {HTMLElement|HTMLDocument} target
* @param {Function} func
* @param {boolean} [capture]
* @return Function created listener
*/
}, {
key: "addEventOnce",
value: function addEventOnce(ev, target, func, capture) {
var thisFunction = function thisFunction(event) {
func(event, func);
target.removeEventListener(ev, thisFunction, capture);
};
target.addEventListener(ev, thisFunction, capture);
return thisFunction;
}
/**
* Checks if an element is visible
* @param {HTMLElement} element
* @returns bool
*/
}, {
key: "isVisible",
value: function isVisible(element) {
return element.offsetWidth > 0 && element.offsetHeight > 0;
}
/**
* Creates a camelCaseRepresentation of a dashed string
* @param {String} str
* @returns String
*/
}, {
key: "dashToCamelCase",
value: function dashToCamelCase(str) {
return str.replace(/-([a-z])/g, function (g) {
return g[1].toUpperCase();
});
}
/**
* Creates a copy of `input`
* @param {*} input
* @return *
*/
}, {
key: "copy",
value: function copy(input) {
return JSON.parse((0, _stringify2.default)(input));
}
/**
* Reads options from element (data attributes) and applies to base
* @param {HTMLElement} element
* @param {Object} base
* @return {Object}
*/
}, {
key: "applyOptionsFromElement",
value: function applyOptionsFromElement(element, base) {
Iif (!element) {
return base;
}
var attrs = element.attributes;
for (var i = 0; i < attrs.length; i++) {
var attr = attrs[i];
Eif (attr) {
var s = Util.dashToCamelCase(attr.nodeName.replace('data-', ''));
var val = attr.nodeValue;
Iif (base.hasOwnProperty(s)) {
// skip functions
if (typeof base[s] === 'function') {
continue;
}
if (typeof base[s] === 'boolean') {
base[s] = parseInt(val || 1, 10) === 1;
} else {
base[s] = val;
}
}
}
}
return base;
}
/**
* Will position an element directly at given target
* Is aware of a given collision container to detect edges
* Will put elementToPosition either to left, center or right edge (prefer right)
* and either to bottom or top (prefers bottom)
*
* You may overwrite preferred positioned with `centerHorizontal` and `positionTop`
*
* @param {HTMLElement|ClientRect} target the target container to align to
* @param {HTMLElement} elementToPosition the element to position
* @param {HTMLElement} collisionContainer the outer container to prevent collisions
* @param {boolean} [centerHorizontal] set true to center element, otherwise it's put on the right border by default
* @param {boolean} [positionTop] flip top, by default element is positioned to the bottom.
* @returns {HTMLElement}
*/
}, {
key: "setupPositionNearby",
value: function setupPositionNearby(target, elementToPosition, collisionContainer, centerHorizontal, positionTop) {
// determine relative offsets
var amountTop = 0;
var amountLeft = 0;
Util.parentsUntil(target.parentNode, function (el) {
if (!(el instanceof HTMLElement)) {
return false;
}
var style = window.getComputedStyle(el);
Eif (Util.isPartOfNode(elementToPosition, el)) {
Iif (style && style.position === 'relative') {
amountTop += el.offsetTop || 0;
amountLeft += el.offsetLeft || 0;
}
return false;
}
return true;
});
var targetPosition = target instanceof HTMLElement ? target.getBoundingClientRect() : target;
var elementRect = elementToPosition.getBoundingClientRect();
var colRect = collisionContainer.getBoundingClientRect();
var targetTop = targetPosition.top - amountTop;
var targetRight = targetPosition.right;
var isCollisionTop = targetTop - elementRect.height <= 0;
var isCollisionBottom = window.innerHeight < targetTop + amountTop + targetPosition.height + elementRect.height;
var isCollisionLeft = targetRight < elementRect.width;
var targetLeft = targetPosition.left;
var isCollisionRight = targetLeft + elementRect.width > colRect.width;
var classList = elementToPosition.classList;
classList.remove(COL_RIGHT_CLASS);
classList.remove(COL_LEFT_CLASS);
classList.remove(COL_BOTTOM_CLASS);
var calcTop = void 0;
var calcLeft = void 0;
Iif (isCollisionLeft && !isCollisionRight) {
// put element to left if collision with left
calcLeft = targetPosition.left - colRect.left - amountLeft + "px";
classList.add(COL_LEFT_CLASS);
} else {
// maybe center if no collision with either side
var rightPosition = targetRight - elementRect.width - colRect.left - amountLeft + "px";
var leftCentered = (targetLeft + targetPosition.width / 2 - elementRect.width / 2 || 0) - colRect.left;
var collisionCentered = leftCentered + elementRect.width > colRect.width;
Eif (centerHorizontal && !collisionCentered) {
calcLeft = leftCentered + "px";
} else {
classList.add(COL_RIGHT_CLASS);
calcLeft = rightPosition;
}
}
Iif (isCollisionBottom || positionTop && !isCollisionTop) {
// Put Element on top if collision
calcTop = targetTop - elementRect.height - colRect.top + "px";
classList.add(COL_BOTTOM_CLASS);
} else {
calcTop = targetTop + targetPosition.height - colRect.top + "px";
}
elementToPosition.style.cssText = "top:" + calcTop + ";left:" + calcLeft + ";";
return elementToPosition;
}
/**
* Brings a given element into viewport
* @param {HTMLElement} el
* @param {int|function}[optionalOffset]
*/
}, {
key: "scrollToElement",
value: function scrollToElement(el, optionalOffset) {
el.scrollIntoView();
var thisOffset = optionalOffset;
// optionally use a additional scrollDif
Iif (thisOffset) {
if (typeof thisOffset === 'function') {
thisOffset = optionalOffset();
}
var scrolledY = window.pageYOffset;
window.scroll(0, scrolledY - thisOffset);
}
}
}]);
return Util;
}();
exports.default = Util;
|