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Edit: /home/melaqxso/public_html/wp-content/themes/hub/assets/vendors/momentum-slider/momentum-slider.js

/* eslint-disable */
(function (global, factory) {
	typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
		typeof define === 'function' && define.amd ? define([], factory) :
		(global.MomentumSlider = factory());
}(this, (function () {
	'use strict';
	/* eslint-enable */

// fixes weird safari 10 bug where preventDefault is prevented
	// @see https://github.com/metafizzy/flickity/issues/457#issuecomment-254501356
	window.addEventListener('touchmove', function () {});

function MomentumSlider(options) {
		this.o = extend({}, this.defaults, options);
		this.initHtml();
		this.initValues();
		this.initEvents();
		this.updateClassnames();
	}

MomentumSlider.prototype = {
		defaults: {
			el: '.ms-container',
			cssClass: '',
			vertical: false,
			multiplier: 1,
			bounceCoefficient: 0.3,
			bounceMax: 100,
			loop: 0,
			interactive: true,
			reverse: false,
			currentIndex: 0
		},
		initHtml: function () {
			this.msContainer = is.str(this.o.el) ? document.querySelector(this.o.el) : this.o.el;
			if (this.o.range) {
				var html = '<div class="ms-container ' + this.o.cssClass + '"><ul class="ms-track">';
				for (var i = this.o.range[0]; i <= this.o.range[1]; i++) {
					html += is.fnc(this.o.rangeContent) ? buildSlide(this.o.rangeContent(i)) : buildSlide(i);
				}
				html += '</ul></div>';
				var msHtml = document.createElement('div');
				msHtml.innerHTML = html;
				this.msContainer.appendChild(msHtml.firstChild);
				this.msContainer = this.msContainer.lastChild;
			}
			this.msContainer.classList.add('ms-container--' + (this.o.vertical ? 'vertical' : 'horizontal'));
			if (this.o.reverse) {
				this.msContainer.classList.add('ms-container--reverse');
			}
			this.msTrack = this.msContainer.children[0];
			this.msSlides = this.msTrack.children;
			this.step = this.o.vertical ? this.msSlides[0].scrollHeight : this.msSlides[0].scrollWidth;
			this.sliderLength = this.msSlides.length;
			if (this.o.loop) {
				var loopLength, slideIndex, fragment;
				// begin
				fragment = document.createDocumentFragment();
				loopLength = this.o.loop;
				slideIndex = this.sliderLength - loopLength;
				while (loopLength--) {
					fragment.appendChild(this.msSlides[slideIndex++].cloneNode(true));
				}
				this.msTrack.insertBefore(fragment, this.msTrack.firstChild);
				// end
				fragment = document.createDocumentFragment();
				slideIndex = loopLength = this.o.loop;
				while (loopLength--) {
					fragment.appendChild(this.msSlides[slideIndex++].cloneNode(true));
				}
				this.msTrack.appendChild(fragment);
				// update
				this.sliderLength += this.o.loop * 2;
			}
			this.sliderWidth = this.sliderLength * this.step;
		},
		initValues: function () {
			this.boundMin = this.o.reverse ? 0 : -this.step * (this.sliderLength - 1);
			this.boundMax = this.o.reverse ? this.step * (this.sliderLength - 1) : 0;
			this.targetPosition = this.targetPosition || 0;
			this.ticking = false;
			this.enabled = true;
			this.pointerActive = false;
			this.pointerMoved = false;
			this.trackingPoints = [];
			this.msTrack.style[this.o.vertical ? 'height' : 'width'] = this.sliderWidth + 'px';
			this.currentIndex = (this.currentIndex || this.o.currentIndex) + this.o.loop;
			this.updateSlider(undefined, true);
			this.renderTarget();
			var index = this.sliderLength;
			while (index--) {
				this.setStyle(index, this.currentIndex == index ? 0 : -1);
			}
		},
		initEvents: function () {
			if (this.o.interactive) {
				this.msContainer.addEventListener('touchstart', this.onDown.bind(this));
				this.msContainer.addEventListener('mousedown', this.onDown.bind(this));
				document.addEventListener('touchmove', this.onMove.bind(this), getPassiveSupported() ? {
					passive: false
				} : false);
				document.addEventListener('touchend', this.onUp.bind(this));
				document.addEventListener('touchcancel', this.stopTracking.bind(this));
				document.addEventListener('mousemove', this.onMove.bind(this), getPassiveSupported() ? {
					passive: false
				} : false);
				document.addEventListener('mouseup', this.onUp.bind(this));
				if (this.o.prevEl) {
					this.prevEl = is.str(this.o.prevEl) ? document.querySelector(this.o.prevEl) : this.o.prevEl;
					this.prevEl.addEventListener('click', this.prev.bind(this));
				}
				if (this.o.nextEl) {
					this.nextEl = is.str(this.o.nextEl) ? document.querySelector(this.o.nextEl) : this.o.nextEl;
					this.nextEl.addEventListener('click', this.next.bind(this));
				}
			}
			window.addEventListener('resize', this.onResize.bind(this));
		},
		prev: function () {
			if (this.enabled) {
				this.updateSlider(Math.round(this.targetPosition / this.step) * this.step + (this.o.reverse ? -this.step : this.step));
			}
		},
		next: function () {
			if (this.enabled) {
				this.updateSlider(Math.round(this.targetPosition / this.step) * this.step + (this.o.reverse ? this.step : -this.step));
			}
		},
		select: function (index) {
			if (this.enabled) {
				// this.currentIndex = index;
				// this.updateSlider();
				this.updateSlider((index + this.o.loop) * (this.o.reverse ? this.step : -this.step));
			}
		},
		setStyleToNode: function (node, style, diff, lower) {
			if (style) {
				var value = '';
				for (var property in style) {
					if (property[0] == '.') {
						this.setStyleToNode(node.querySelector(property), style[property], diff, lower);
					} else if (property == 'transform') {
						style[property].forEach(function (transform) {
							for (var t in transform) {
								value += t + '(' + getCurrentValue(transform[t], diff, lower);
								if (t == 'rotate') {
									value += 'deg';
								} else if (t == 'translateX' || t == 'translateY' || t == 'translateZ') {
									value += 'px';
								}
								value += ') ';
							}
						});
					} else {
						value = getCurrentValue(style[property], diff, lower);
					}
					node.style[property] = value;
				}
			}
		},
		setStyle: function (index, diff, lower) {
			this.setStyleToNode(this.msSlides[index], this.o.style, diff, lower);
			if (is.fnc(this.o.customStyles)) {
				this.o.customStyles(index, diff, lower);
			}
		},
		renderTarget: function () {
			if (this.o.sync) {
				var syncIndex = this.o.sync.length;
				var syncSlider;
				while (syncIndex--) {
					syncSlider = this.o.sync[syncIndex];
					syncSlider.targetPosition = (syncSlider.o.reverse ? -1 : 1) * this.targetPosition / this.sliderWidth * syncSlider.sliderWidth;
					syncSlider.renderTarget();
				}
			}

// var actualIndex = -this.targetPosition / this.step;
			var actualIndex = (this.o.reverse ? 1 : -1) * this.targetPosition / this.step;
			this.onChangeCurrentIndex(Math.round(actualIndex));
			var lowerIndex = Math.floor(actualIndex);
			var higherIndex = Math.ceil(actualIndex);
			var lowerDiff = actualIndex - lowerIndex;
			var higherDiff = actualIndex - higherIndex;

if (!is.und(this.lowerIndex) && this.lowerIndex != lowerIndex && this.lowerIndex != higherIndex) {
				this.setStyle(this.lowerIndex, 1, true);
			}
			if (!is.und(this.higherIndex) && this.higherIndex != lowerIndex && this.higherIndex != higherIndex) {
				this.setStyle(this.higherIndex, -1);
			}

if (lowerIndex >= 0 && lowerIndex < this.sliderLength) {
				this.setStyle(lowerIndex, lowerDiff, true);
				this.lowerIndex = lowerIndex;
			}
			if (higherIndex >= 0 && higherIndex < this.sliderLength) {
				this.setStyle(higherIndex, higherDiff);
				this.higherIndex = higherIndex;
			}

var transformValue = 'translate' + (this.o.vertical ? 'Y' : 'X') + '(' + this.targetPosition + 'px)';
			this.msTrack.style[transformProperty] = transformValue;
		},
		onDown: function (ev) {
			/**
			 * Start Liquid Themes Addditions
			 */
			document.getElementsByTagName('html')[0].classList.add('slider-pointer-down');
			/**
			 * End Liquid Themes Addditions
			 */
			if (this.enabled && !this.pointerActive) {
				var event = normalizeEvent(ev);
				this.pointerActive = true;
				this.pointerId = event.id;

this.pointerLastX = this.pointerCurrentX = event.x;
				this.pointerLastY = this.pointerCurrentY = event.y;
				this.trackingPoints = [];
				this.addTrackingPoint(this.pointerLastX, this.pointerLastY);

if (this.animateInstance) this.animateInstance.stop();
			}
		},
		onMove: function (ev) {
			if (this.enabled && this.pointerActive) {
				this.pointerMoved = true;
				ev.preventDefault();
				var event = normalizeEvent(ev);

if (event.id === this.pointerId) {
					this.pointerCurrentX = event.x;
					this.pointerCurrentY = event.y;
					this.addTrackingPoint(this.pointerLastX, this.pointerLastY);
					this.requestTick();
				}
			}
			// if (this.enabled && this.pointerActive) {
			// 	var event = normalizeEvent(ev);
				
			// 	if (event.id === this.pointerId) {
			// 		this.pointerCurrentX = event.x;
			// 		this.pointerCurrentY = event.y;
					
			// 		var shouldMoveSlider = this.pointerMoved
			// 		if (!this.pointerMoved) {
			// 			var movingVertically =
			// 			Math.abs(Math.abs(this.pointerCurrentX) - Math.abs(this.pointerLastX)) <
			// 			Math.abs(Math.abs(this.pointerCurrentY) - Math.abs(this.pointerLastY))
			// 			if (
			// 				(this.o.vertical && movingVertically) ||
			// 				(!this.o.vertical && !movingVertically)
			// 			) {
			// 				shouldMoveSlider = true
			// 			}
			// 		}
						
			// 		if (shouldMoveSlider) {
			// 			ev.preventDefault();
			// 			this.pointerMoved = true;
			// 			this.addTrackingPoint(this.pointerLastX, this.pointerLastY);
			// 			this.requestTick();
			// 		} else {
			// 			this.stopTracking(-1);
			// 		}
			// 	}
			// }
		},
		onUp: function (ev) {
			/**
			 * Start Liquid Themes Addditions
			 */
			document.getElementsByTagName('html')[0].classList.remove('slider-pointer-down');
			/**
			 * End Liquid Themes Addditions
			 */
			if (this.enabled && this.pointerActive) {
				var event = normalizeEvent(ev);

if (event.id === this.pointerId) {
					var slide = ev.target;
					if (this.msTrack.contains(slide)) {
						while (!slide.matches('.ms-slide, .ms-track')) {
							slide = slide.parentNode;
						}
					}
					var index = Array.prototype.indexOf.call(this.msSlides, slide);
					if (!this.pointerMoved) {
						if (index !== -1) {
							this.currentIndex = index;
							this.updateSlider();
						}
					}
					this.stopTracking(index);
				}
			}
		},
		onResize: function () {
			// this.initValues();
		},
		stopTracking: function (index) {
			this.pointerActive = false;
			if (this.pointerMoved || index === -1) {
				this.pointerMoved = false;
				this.addTrackingPoint(this.pointerLastX, this.pointerLastY);
				this.startDecelAnim();
			}
		},
		addTrackingPoint: function (x, y) {
			var time = Date.now();
			while (this.trackingPoints.length > 0) {
				if (time - this.trackingPoints[0].time <= 100) {
					break;
				}
				this.trackingPoints.shift();
			}

this.trackingPoints.push({
				x: x,
				y: y,
				time: time
			});
		},
		updateAndRender: function () {
			var pointerChange = this.o.vertical ? this.pointerCurrentY - this.pointerLastY : this.pointerCurrentX - this.pointerLastX;
			this.targetPosition += pointerChange * this.o.multiplier;

if (this.o.bounceCoefficient) {
				var diff = this.checkBounds();
				if (diff !== 0) {
					this.targetPosition -= pointerChange * dragOutOfBoundsMultiplier(diff) * this.o.multiplier;
				}
			} else {
				this.checkBounds(true);
			}

this.renderTarget();

this.pointerLastX = this.pointerCurrentX;
			this.pointerLastY = this.pointerCurrentY;
			this.ticking = false;
		},
		requestTick: function () {
			if (!this.ticking) {
				requestAnimationFrame(this.updateAndRender.bind(this));
			}
			this.ticking = true;
		},
		checkBounds: function (restrict) {
			var diff = 0;

if (this.boundMin !== undefined && this.targetPosition < this.boundMin) {
				diff = this.boundMin - this.targetPosition;
			} else if (this.boundMax !== undefined && this.targetPosition > this.boundMax) {
				diff = this.boundMax - this.targetPosition;
			}

if (restrict) {
				if (diff !== 0) {
					this.targetPosition = diff > 0 ? this.boundMin : this.boundMax;
				}
			}

return diff;
		},
		startDecelAnim: function () {
			var firstPoint = this.trackingPoints[0];
			var lastPoint = this.trackingPoints[this.trackingPoints.length - 1];

var positionOffset = this.o.vertical ? lastPoint.y - firstPoint.y : lastPoint.x - firstPoint.x;
			var timeOffset = lastPoint.time - firstPoint.time;

var D = timeOffset / 15 / this.o.multiplier;
			this.decVel = positionOffset / D || 0;

var newTargetPosition = this.targetPosition + (this.decVel * 12);
			var newTargetPositionOffset = newTargetPosition % this.step;
			newTargetPosition = newTargetPosition - newTargetPositionOffset;
			if (Math.abs(newTargetPositionOffset) > this.step / 2) {
				newTargetPosition += (newTargetPositionOffset > 0 ? 1 : -1) * this.step;
			}

this.updateSlider(newTargetPosition);
		},
		fixCurrentIndex: function () {
			if (this.o.loop) {
				if (this.currentIndex < this.o.loop) {
					this.currentIndex = this.sliderLength - this.o.loop + (this.currentIndex - this.o.loop);
				} else if (this.currentIndex > this.sliderLength - this.o.loop - 1) {
					this.currentIndex = this.currentIndex + this.o.loop * 2 - this.sliderLength;
				}
			}
		},
		updateSlider: function (newTargetPosition, initial) {
			if (is.und(newTargetPosition)) {
				newTargetPosition = (this.o.reverse ? 1 : -1) * this.currentIndex * this.step;
			} else {
				this.currentIndex = (this.o.reverse ? 1 : -1) * newTargetPosition / this.step;
			}
			this.fixCurrentIndex();
			if (newTargetPosition !== this.targetPosition) {
				this.updateClassnames();
				this.animateTarget(newTargetPosition, initial);
			}
		},
		updateClassnames: function () {
			if (this.prevEl) {
				if (this.currentIndex === 0) {
					this.prevEl.classList.add('ms-first');
				} else {
					this.prevEl.classList.remove('ms-first');
				}
			}
			if (this.nextEl) {
				if (this.currentIndex === this.sliderLength - 1) {
					this.nextEl.classList.add('ms-last');
				} else {
					this.nextEl.classList.remove('ms-last');
				}
			}
		},
		animateTarget: function (newTargetPosition, initial, back) {
			if (this.animateInstance) this.animateInstance.stop();
			var _ = this;
			var from = this.targetPosition;
			var to = newTargetPosition;
			this.animateInstance = animate(function (progress) {
				_.targetPosition = to > from ? from + ((to - from) * progress) : from - ((from - to) * progress); // 0 - ((0 - -2100) * progress)
				var sliderMin = _.o.reverse ? 0 : -(_.sliderLength - 1) * _.step;
				var sliderMax = _.o.reverse ? (_.sliderLength - 1) * _.step : 0;
				if (!back &&
					!_.o.loop &&
					_.o.bounceCoefficient &&
					(
						(
							_.targetPosition > sliderMax &&
							_.targetPosition > sliderMax + Math.min((to - sliderMax) * _.o.bounceCoefficient, _.o.bounceMax)
						) ||
						(
							_.targetPosition < sliderMin &&
							_.targetPosition < sliderMin - Math.min(-(to - sliderMin) * _.o.bounceCoefficient, _.o.bounceMax)
						)
					)
				) {
					_.animateInstance.stop();
					_.animateTarget(_.targetPosition < sliderMin ? sliderMin : sliderMax, false, true);
					_.currentIndex = _.targetPosition < sliderMin ? 0 : _.sliderLength - 1;
				} else {
					_.renderTarget();
				}
			}, initial ? 0 : 500, function (t) {
				return t * (2 - t);
			});
		},
		onChangeCurrentIndex: function (index) {
			var currentIndex = this.o.loop ? index - this.o.loop : index;
			currentIndex = currentIndex === this.sliderLength - this.o.loop * 2 ? 0 : currentIndex;
			if (is.fnc(this.o.change) && currentIndex !== this.lastCurrentIndex) {
				this.o.change(currentIndex, this.lastCurrentIndex);
				this.lastCurrentIndex = currentIndex;
			}
		},
		getCurrentIndex: function () {
			return this.o.loop ? this.currentIndex - this.o.loop : this.currentIndex;
		},
		enable: function () {
			this.enabled = true;
		},
		disable: function () {
			this.enabled = false;
		}
	};

// Utils

function stringToHyphens(str) {
		return str.replace(/([a-z])([A-Z])/g, '$1-$2').toLowerCase();
	}

function getCSSValue(el, prop) {
		if (prop in el.style) {
			return getComputedStyle(el).getPropertyValue(stringToHyphens(prop)) || '0';
		}
	}

var t = 'transform';
	var transformProperty = (getCSSValue(document.body, t) ? t : '-webkit-' + t);

function buildSlide(value) {
		return '<li class="ms-slide">' + value + '</li>';
	}

function extendSingle(target, source) {
		for (var key in source)
			target[key] = is.arr(source[key]) ? source[key].slice(0) : source[key];
		return target;
	}

function extend(target) {
		if (!target) target = {};
		for (var i = 1; i < arguments.length; i++)
			extendSingle(target, arguments[i]);
		return target;
	}

/* eslint-disable */
	function getPassiveSupported() {
		var passiveSupported = false;
		try {
			var options = Object.defineProperty({}, 'passive', {
				get: function get() {
					passiveSupported = true;
				}
			});

window.addEventListener('test', null, options);
		} catch (err) {}
		getPassiveSupported = function () {
			return passiveSupported;
		};
		return passiveSupported;
	}
	/* eslint-enable */

function dragOutOfBoundsMultiplier(val) {
		return 0.000005 * Math.pow(val, 2) + 0.0001 * val + 0.55;
	}

function getCurrentValue(values, diff, lower) {
		var lowerValue = values[0];
		var centerValue = values[1];
		var higherValue = values[2] || lowerValue;
		var diffValue = lower ? centerValue - lowerValue : centerValue - higherValue;
		return lower ? centerValue - diffValue * diff : centerValue + diffValue * diff;
	}

return extend(MomentumSlider, {
		extend: extend,
		transformProperty: transformProperty,
		getCurrentValue: getCurrentValue
	});

})));

Ukuran: 19.1 KB