deleted file mode 100644

@@ -1,483 +0,0 @@

-"use strict";

-

-exports.__esModule = true;

-exports.default = void 0;

-

-var _ssrWindow = require("ssr-window");

-

-var _dom = _interopRequireDefault(require("../../utils/dom"));

-

-var _utils = require("../../utils/utils");

-

-function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

-

-function isEventSupported() {

-  var document = (0, _ssrWindow.getDocument)();

-  var eventName = 'onwheel';

-  var isSupported = (eventName in document);

-

-  if (!isSupported) {

-    var element = document.createElement('div');

-    element.setAttribute(eventName, 'return;');

-    isSupported = typeof element[eventName] === 'function';

-  }

-

-  if (!isSupported && document.implementation && document.implementation.hasFeature && // always returns true in newer browsers as per the standard.

-  // @see http://dom.spec.whatwg.org/#dom-domimplementation-hasfeature

-  document.implementation.hasFeature('', '') !== true) {

-    // This is the only way to test support for the `wheel` event in IE9+.

-    isSupported = document.implementation.hasFeature('Events.wheel', '3.0');

-  }

-

-  return isSupported;

-}

-

-var Mousewheel = {

-  lastScrollTime: (0, _utils.now)(),

-  lastEventBeforeSnap: undefined,

-  recentWheelEvents: [],

-  event: function event() {

-    var window = (0, _ssrWindow.getWindow)();

-    if (window.navigator.userAgent.indexOf('firefox') > -1) return 'DOMMouseScroll';

-    return isEventSupported() ? 'wheel' : 'mousewheel';

-  },

-  normalize: function normalize(e) {

-    // Reasonable defaults

-    var PIXEL_STEP = 10;

-    var LINE_HEIGHT = 40;

-    var PAGE_HEIGHT = 800;

-    var sX = 0;

-    var sY = 0; // spinX, spinY

-

-    var pX = 0;

-    var pY = 0; // pixelX, pixelY

-    // Legacy

-

-    if ('detail' in e) {

-      sY = e.detail;

-    }

-

-    if ('wheelDelta' in e) {

-      sY = -e.wheelDelta / 120;

-    }

-

-    if ('wheelDeltaY' in e) {

-      sY = -e.wheelDeltaY / 120;

-    }

-

-    if ('wheelDeltaX' in e) {

-      sX = -e.wheelDeltaX / 120;

-    } // side scrolling on FF with DOMMouseScroll

-

-

-    if ('axis' in e && e.axis === e.HORIZONTAL_AXIS) {

-      sX = sY;

-      sY = 0;

-    }

-

-    pX = sX * PIXEL_STEP;

-    pY = sY * PIXEL_STEP;

-

-    if ('deltaY' in e) {

-      pY = e.deltaY;

-    }

-

-    if ('deltaX' in e) {

-      pX = e.deltaX;

-    }

-

-    if (e.shiftKey && !pX) {

-      // if user scrolls with shift he wants horizontal scroll

-      pX = pY;

-      pY = 0;

-    }

-

-    if ((pX || pY) && e.deltaMode) {

-      if (e.deltaMode === 1) {

-        // delta in LINE units

-        pX *= LINE_HEIGHT;

-        pY *= LINE_HEIGHT;

-      } else {

-        // delta in PAGE units

-        pX *= PAGE_HEIGHT;

-        pY *= PAGE_HEIGHT;

-      }

-    } // Fall-back if spin cannot be determined

-

-

-    if (pX && !sX) {

-      sX = pX < 1 ? -1 : 1;

-    }

-

-    if (pY && !sY) {

-      sY = pY < 1 ? -1 : 1;

-    }

-

-    return {

-      spinX: sX,

-      spinY: sY,

-      pixelX: pX,

-      pixelY: pY

-    };

-  },

-  handleMouseEnter: function handleMouseEnter() {

-    var swiper = this;

-    swiper.mouseEntered = true;

-  },

-  handleMouseLeave: function handleMouseLeave() {

-    var swiper = this;

-    swiper.mouseEntered = false;

-  },

-  handle: function handle(event) {

-    var e = event;

-    var disableParentSwiper = true;

-    var swiper = this;

-    var params = swiper.params.mousewheel;

-

-    if (swiper.params.cssMode) {

-      e.preventDefault();

-    }

-

-    var target = swiper.$el;

-

-    if (swiper.params.mousewheel.eventsTarget !== 'container') {

-      target = (0, _dom.default)(swiper.params.mousewheel.eventsTarget);

-    }

-

-    if (!swiper.mouseEntered && !target[0].contains(e.target) && !params.releaseOnEdges) return true;

-    if (e.originalEvent) e = e.originalEvent; // jquery fix

-

-    var delta = 0;

-    var rtlFactor = swiper.rtlTranslate ? -1 : 1;

-    var data = Mousewheel.normalize(e);

-

-    if (params.forceToAxis) {

-      if (swiper.isHorizontal()) {

-        if (Math.abs(data.pixelX) > Math.abs(data.pixelY)) delta = -data.pixelX * rtlFactor;else return true;

-      } else if (Math.abs(data.pixelY) > Math.abs(data.pixelX)) delta = -data.pixelY;else return true;

-    } else {

-      delta = Math.abs(data.pixelX) > Math.abs(data.pixelY) ? -data.pixelX * rtlFactor : -data.pixelY;

-    }

-

-    if (delta === 0) return true;

-    if (params.invert) delta = -delta; // Get the scroll positions

-

-    var positions = swiper.getTranslate() + delta * params.sensitivity;

-    if (positions >= swiper.minTranslate()) positions = swiper.minTranslate();

-    if (positions <= swiper.maxTranslate()) positions = swiper.maxTranslate(); // When loop is true:

-    //     the disableParentSwiper will be true.

-    // When loop is false:

-    //     if the scroll positions is not on edge,

-    //     then the disableParentSwiper will be true.

-    //     if the scroll on edge positions,

-    //     then the disableParentSwiper will be false.

-

-    disableParentSwiper = swiper.params.loop ? true : !(positions === swiper.minTranslate() || positions === swiper.maxTranslate());

-    if (disableParentSwiper && swiper.params.nested) e.stopPropagation();

-

-    if (!swiper.params.freeMode) {

-      // Register the new event in a variable which stores the relevant data

-      var newEvent = {

-        time: (0, _utils.now)(),

-        delta: Math.abs(delta),

-        direction: Math.sign(delta),

-        raw: event

-      }; // Keep the most recent events

-

-      var recentWheelEvents = swiper.mousewheel.recentWheelEvents;

-

-      if (recentWheelEvents.length >= 2) {

-        recentWheelEvents.shift(); // only store the last N events

-      }

-

-      var prevEvent = recentWheelEvents.length ? recentWheelEvents[recentWheelEvents.length - 1] : undefined;

-      recentWheelEvents.push(newEvent); // If there is at least one previous recorded event:

-      //   If direction has changed or

-      //   if the scroll is quicker than the previous one:

-      //     Animate the slider.

-      // Else (this is the first time the wheel is moved):

-      //     Animate the slider.

-

-      if (prevEvent) {

-        if (newEvent.direction !== prevEvent.direction || newEvent.delta > prevEvent.delta || newEvent.time > prevEvent.time + 150) {

-          swiper.mousewheel.animateSlider(newEvent);

-        }

-      } else {

-        swiper.mousewheel.animateSlider(newEvent);

-      } // If it's time to release the scroll:

-      //   Return now so you don't hit the preventDefault.

-

-

-      if (swiper.mousewheel.releaseScroll(newEvent)) {

-        return true;

-      }

-    } else {

-      // Freemode or scrollContainer:

-      // If we recently snapped after a momentum scroll, then ignore wheel events

-      // to give time for the deceleration to finish. Stop ignoring after 500 msecs

-      // or if it's a new scroll (larger delta or inverse sign as last event before

-      // an end-of-momentum snap).

-      var _newEvent = {

-        time: (0, _utils.now)(),

-        delta: Math.abs(delta),

-        direction: Math.sign(delta)

-      };

-      var lastEventBeforeSnap = swiper.mousewheel.lastEventBeforeSnap;

-      var ignoreWheelEvents = lastEventBeforeSnap && _newEvent.time < lastEventBeforeSnap.time + 500 && _newEvent.delta <= lastEventBeforeSnap.delta && _newEvent.direction === lastEventBeforeSnap.direction;

-

-      if (!ignoreWheelEvents) {

-        swiper.mousewheel.lastEventBeforeSnap = undefined;

-

-        if (swiper.params.loop) {

-          swiper.loopFix();

-        }

-

-        var position = swiper.getTranslate() + delta * params.sensitivity;

-        var wasBeginning = swiper.isBeginning;

-        var wasEnd = swiper.isEnd;

-        if (position >= swiper.minTranslate()) position = swiper.minTranslate();

-        if (position <= swiper.maxTranslate()) position = swiper.maxTranslate();

-        swiper.setTransition(0);

-        swiper.setTranslate(position);

-        swiper.updateProgress();

-        swiper.updateActiveIndex();

-        swiper.updateSlidesClasses();

-

-        if (!wasBeginning && swiper.isBeginning || !wasEnd && swiper.isEnd) {

-          swiper.updateSlidesClasses();

-        }

-

-        if (swiper.params.freeModeSticky) {

-          // When wheel scrolling starts with sticky (aka snap) enabled, then detect

-          // the end of a momentum scroll by storing recent (N=15?) wheel events.

-          // 1. do all N events have decreasing or same (absolute value) delta?

-          // 2. did all N events arrive in the last M (M=500?) msecs?

-          // 3. does the earliest event have an (absolute value) delta that's

-          //    at least P (P=1?) larger than the most recent event's delta?

-          // 4. does the latest event have a delta that's smaller than Q (Q=6?) pixels?

-          // If 1-4 are "yes" then we're near the end of a momentum scroll deceleration.

-          // Snap immediately and ignore remaining wheel events in this scroll.

-          // See comment above for "remaining wheel events in this scroll" determination.

-          // If 1-4 aren't satisfied, then wait to snap until 500ms after the last event.

-          clearTimeout(swiper.mousewheel.timeout);

-          swiper.mousewheel.timeout = undefined;

-          var _recentWheelEvents = swiper.mousewheel.recentWheelEvents;

-

-          if (_recentWheelEvents.length >= 15) {

-            _recentWheelEvents.shift(); // only store the last N events

-

-          }

-

-          var _prevEvent = _recentWheelEvents.length ? _recentWheelEvents[_recentWheelEvents.length - 1] : undefined;

-

-          var firstEvent = _recentWheelEvents[0];

-

-          _recentWheelEvents.push(_newEvent);

-

-          if (_prevEvent && (_newEvent.delta > _prevEvent.delta || _newEvent.direction !== _prevEvent.direction)) {

-            // Increasing or reverse-sign delta means the user started scrolling again. Clear the wheel event log.

-            _recentWheelEvents.splice(0);

-          } else if (_recentWheelEvents.length >= 15 && _newEvent.time - firstEvent.time < 500 && firstEvent.delta - _newEvent.delta >= 1 && _newEvent.delta <= 6) {

-            // We're at the end of the deceleration of a momentum scroll, so there's no need

-            // to wait for more events. Snap ASAP on the next tick.

-            // Also, because there's some remaining momentum we'll bias the snap in the

-            // direction of the ongoing scroll because it's better UX for the scroll to snap

-            // in the same direction as the scroll instead of reversing to snap.  Therefore,

-            // if it's already scrolled more than 20% in the current direction, keep going.

-            var snapToThreshold = delta > 0 ? 0.8 : 0.2;

-            swiper.mousewheel.lastEventBeforeSnap = _newEvent;

-

-            _recentWheelEvents.splice(0);

-

-            swiper.mousewheel.timeout = (0, _utils.nextTick)(function () {

-              swiper.slideToClosest(swiper.params.speed, true, undefined, snapToThreshold);

-            }, 0); // no delay; move on next tick

-          }

-

-          if (!swiper.mousewheel.timeout) {

-            // if we get here, then we haven't detected the end of a momentum scroll, so

-            // we'll consider a scroll "complete" when there haven't been any wheel events

-            // for 500ms.

-            swiper.mousewheel.timeout = (0, _utils.nextTick)(function () {

-              var snapToThreshold = 0.5;

-              swiper.mousewheel.lastEventBeforeSnap = _newEvent;

-

-              _recentWheelEvents.splice(0);

-

-              swiper.slideToClosest(swiper.params.speed, true, undefined, snapToThreshold);

-            }, 500);

-          }

-        } // Emit event

-

-

-        if (!ignoreWheelEvents) swiper.emit('scroll', e); // Stop autoplay

-

-        if (swiper.params.autoplay && swiper.params.autoplayDisableOnInteraction) swiper.autoplay.stop(); // Return page scroll on edge positions

-

-        if (position === swiper.minTranslate() || position === swiper.maxTranslate()) return true;

-      }

-    }

-

-    if (e.preventDefault) e.preventDefault();else e.returnValue = false;

-    return false;

-  },

-  animateSlider: function animateSlider(newEvent) {

-    var swiper = this;

-    var window = (0, _ssrWindow.getWindow)();

-

-    if (this.params.mousewheel.thresholdDelta && newEvent.delta < this.params.mousewheel.thresholdDelta) {

-      // Prevent if delta of wheel scroll delta is below configured threshold

-      return false;

-    }

-

-    if (this.params.mousewheel.thresholdTime && (0, _utils.now)() - swiper.mousewheel.lastScrollTime < this.params.mousewheel.thresholdTime) {

-      // Prevent if time between scrolls is below configured threshold

-      return false;

-    } // If the movement is NOT big enough and

-    // if the last time the user scrolled was too close to the current one (avoid continuously triggering the slider):

-    //   Don't go any further (avoid insignificant scroll movement).

-

-

-    if (newEvent.delta >= 6 && (0, _utils.now)() - swiper.mousewheel.lastScrollTime < 60) {

-      // Return false as a default

-      return true;

-    } // If user is scrolling towards the end:

-    //   If the slider hasn't hit the latest slide or

-    //   if the slider is a loop and

-    //   if the slider isn't moving right now:

-    //     Go to next slide and

-    //     emit a scroll event.

-    // Else (the user is scrolling towards the beginning) and

-    // if the slider hasn't hit the first slide or

-    // if the slider is a loop and

-    // if the slider isn't moving right now:

-    //   Go to prev slide and

-    //   emit a scroll event.

-

-

-    if (newEvent.direction < 0) {

-      if ((!swiper.isEnd || swiper.params.loop) && !swiper.animating) {

-        swiper.slideNext();

-        swiper.emit('scroll', newEvent.raw);

-      }

-    } else if ((!swiper.isBeginning || swiper.params.loop) && !swiper.animating) {

-      swiper.slidePrev();

-      swiper.emit('scroll', newEvent.raw);

-    } // If you got here is because an animation has been triggered so store the current time

-

-

-    swiper.mousewheel.lastScrollTime = new window.Date().getTime(); // Return false as a default

-

-    return false;

-  },

-  releaseScroll: function releaseScroll(newEvent) {

-    var swiper = this;

-    var params = swiper.params.mousewheel;

-

-    if (newEvent.direction < 0) {

-      if (swiper.isEnd && !swiper.params.loop && params.releaseOnEdges) {

-        // Return true to animate scroll on edges

-        return true;

-      }

-    } else if (swiper.isBeginning && !swiper.params.loop && params.releaseOnEdges) {

-      // Return true to animate scroll on edges

-      return true;

-    }

-

-    return false;

-  },

-  enable: function enable() {

-    var swiper = this;

-    var event = Mousewheel.event();

-

-    if (swiper.params.cssMode) {

-      swiper.wrapperEl.removeEventListener(event, swiper.mousewheel.handle);

-      return true;

-    }

-

-    if (!event) return false;

-    if (swiper.mousewheel.enabled) return false;

-    var target = swiper.$el;

-

-    if (swiper.params.mousewheel.eventsTarget !== 'container') {

-      target = (0, _dom.default)(swiper.params.mousewheel.eventsTarget);

-    }

-

-    target.on('mouseenter', swiper.mousewheel.handleMouseEnter);

-    target.on('mouseleave', swiper.mousewheel.handleMouseLeave);

-    target.on(event, swiper.mousewheel.handle);

-    swiper.mousewheel.enabled = true;

-    return true;

-  },

-  disable: function disable() {

-    var swiper = this;

-    var event = Mousewheel.event();

-

-    if (swiper.params.cssMode) {

-      swiper.wrapperEl.addEventListener(event, swiper.mousewheel.handle);

-      return true;

-    }

-

-    if (!event) return false;

-    if (!swiper.mousewheel.enabled) return false;

-    var target = swiper.$el;

-

-    if (swiper.params.mousewheel.eventsTarget !== 'container') {

-      target = (0, _dom.default)(swiper.params.mousewheel.eventsTarget);

-    }

-

-    target.off(event, swiper.mousewheel.handle);

-    swiper.mousewheel.enabled = false;

-    return true;

-  }

-};

-var _default = {

-  name: 'mousewheel',

-  params: {

-    mousewheel: {

-      enabled: false,

-      releaseOnEdges: false,

-      invert: false,

-      forceToAxis: false,

-      sensitivity: 1,

-      eventsTarget: 'container',

-      thresholdDelta: null,

-      thresholdTime: null

-    }

-  },

-  create: function create() {

-    var swiper = this;

-    (0, _utils.bindModuleMethods)(swiper, {

-      mousewheel: {

-        enabled: false,

-        lastScrollTime: (0, _utils.now)(),

-        lastEventBeforeSnap: undefined,

-        recentWheelEvents: [],

-        enable: Mousewheel.enable,

-        disable: Mousewheel.disable,

-        handle: Mousewheel.handle,

-        handleMouseEnter: Mousewheel.handleMouseEnter,

-        handleMouseLeave: Mousewheel.handleMouseLeave,

-        animateSlider: Mousewheel.animateSlider,

-        releaseScroll: Mousewheel.releaseScroll

-      }

-    });

-  },

-  on: {

-    init: function init(swiper) {

-      if (!swiper.params.mousewheel.enabled && swiper.params.cssMode) {

-        swiper.mousewheel.disable();

-      }

-

-      if (swiper.params.mousewheel.enabled) swiper.mousewheel.enable();

-    },

-    destroy: function destroy(swiper) {

-      if (swiper.params.cssMode) {

-        swiper.mousewheel.enable();

-      }

-

-      if (swiper.mousewheel.enabled) swiper.mousewheel.disable();

-    }

-  }

-};

-exports.default = _default;

\ No newline at end of file

new file mode 100644

@@ -0,0 +1,483 @@

+"use strict";

+

+exports.__esModule = true;

+exports.default = void 0;

+

+var _ssrWindow = require("ssr-window");

+

+var _dom = _interopRequireDefault(require("../../utils/dom"));

+

+var _utils = require("../../utils/utils");

+

+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

+

+function isEventSupported() {

+  var document = (0, _ssrWindow.getDocument)();

+  var eventName = 'onwheel';

+  var isSupported = (eventName in document);

+

+  if (!isSupported) {

+    var element = document.createElement('div');

+    element.setAttribute(eventName, 'return;');

+    isSupported = typeof element[eventName] === 'function';

+  }

+

+  if (!isSupported && document.implementation && document.implementation.hasFeature && // always returns true in newer browsers as per the standard.

+  // @see http://dom.spec.whatwg.org/#dom-domimplementation-hasfeature

+  document.implementation.hasFeature('', '') !== true) {

+    // This is the only way to test support for the `wheel` event in IE9+.

+    isSupported = document.implementation.hasFeature('Events.wheel', '3.0');

+  }

+

+  return isSupported;

+}

+

+var Mousewheel = {

+  lastScrollTime: (0, _utils.now)(),

+  lastEventBeforeSnap: undefined,

+  recentWheelEvents: [],

+  event: function event() {

+    var window = (0, _ssrWindow.getWindow)();

+    if (window.navigator.userAgent.indexOf('firefox') > -1) return 'DOMMouseScroll';

+    return isEventSupported() ? 'wheel' : 'mousewheel';

+  },

+  normalize: function normalize(e) {

+    // Reasonable defaults

+    var PIXEL_STEP = 10;

+    var LINE_HEIGHT = 40;

+    var PAGE_HEIGHT = 800;

+    var sX = 0;

+    var sY = 0; // spinX, spinY

+

+    var pX = 0;

+    var pY = 0; // pixelX, pixelY

+    // Legacy

+

+    if ('detail' in e) {

+      sY = e.detail;

+    }

+

+    if ('wheelDelta' in e) {

+      sY = -e.wheelDelta / 120;

+    }

+

+    if ('wheelDeltaY' in e) {

+      sY = -e.wheelDeltaY / 120;

+    }

+

+    if ('wheelDeltaX' in e) {

+      sX = -e.wheelDeltaX / 120;

+    } // side scrolling on FF with DOMMouseScroll

+

+

+    if ('axis' in e && e.axis === e.HORIZONTAL_AXIS) {

+      sX = sY;

+      sY = 0;

+    }

+

+    pX = sX * PIXEL_STEP;

+    pY = sY * PIXEL_STEP;

+

+    if ('deltaY' in e) {

+      pY = e.deltaY;

+    }

+

+    if ('deltaX' in e) {

+      pX = e.deltaX;

+    }

+

+    if (e.shiftKey && !pX) {

+      // if user scrolls with shift he wants horizontal scroll

+      pX = pY;

+      pY = 0;

+    }

+

+    if ((pX || pY) && e.deltaMode) {

+      if (e.deltaMode === 1) {

+        // delta in LINE units

+        pX *= LINE_HEIGHT;

+        pY *= LINE_HEIGHT;

+      } else {

+        // delta in PAGE units

+        pX *= PAGE_HEIGHT;

+        pY *= PAGE_HEIGHT;

+      }

+    } // Fall-back if spin cannot be determined

+

+

+    if (pX && !sX) {

+      sX = pX < 1 ? -1 : 1;

+    }

+

+    if (pY && !sY) {

+      sY = pY < 1 ? -1 : 1;

+    }

+

+    return {

+      spinX: sX,

+      spinY: sY,

+      pixelX: pX,

+      pixelY: pY

+    };

+  },

+  handleMouseEnter: function handleMouseEnter() {

+    var swiper = this;

+    swiper.mouseEntered = true;

+  },

+  handleMouseLeave: function handleMouseLeave() {

+    var swiper = this;

+    swiper.mouseEntered = false;

+  },

+  handle: function handle(event) {

+    var e = event;

+    var disableParentSwiper = true;

+    var swiper = this;

+    var params = swiper.params.mousewheel;

+

+    if (swiper.params.cssMode) {

+      e.preventDefault();

+    }

+

+    var target = swiper.$el;

+

+    if (swiper.params.mousewheel.eventsTarget !== 'container') {

+      target = (0, _dom.default)(swiper.params.mousewheel.eventsTarget);

+    }

+

+    if (!swiper.mouseEntered && !target[0].contains(e.target) && !params.releaseOnEdges) return true;

+    if (e.originalEvent) e = e.originalEvent; // jquery fix

+

+    var delta = 0;

+    var rtlFactor = swiper.rtlTranslate ? -1 : 1;

+    var data = Mousewheel.normalize(e);

+

+    if (params.forceToAxis) {

+      if (swiper.isHorizontal()) {

+        if (Math.abs(data.pixelX) > Math.abs(data.pixelY)) delta = -data.pixelX * rtlFactor;else return true;

+      } else if (Math.abs(data.pixelY) > Math.abs(data.pixelX)) delta = -data.pixelY;else return true;

+    } else {

+      delta = Math.abs(data.pixelX) > Math.abs(data.pixelY) ? -data.pixelX * rtlFactor : -data.pixelY;

+    }

+

+    if (delta === 0) return true;

+    if (params.invert) delta = -delta; // Get the scroll positions

+

+    var positions = swiper.getTranslate() + delta * params.sensitivity;

+    if (positions >= swiper.minTranslate()) positions = swiper.minTranslate();

+    if (positions <= swiper.maxTranslate()) positions = swiper.maxTranslate(); // When loop is true:

+    //     the disableParentSwiper will be true.

+    // When loop is false:

+    //     if the scroll positions is not on edge,

+    //     then the disableParentSwiper will be true.

+    //     if the scroll on edge positions,

+    //     then the disableParentSwiper will be false.

+

+    disableParentSwiper = swiper.params.loop ? true : !(positions === swiper.minTranslate() || positions === swiper.maxTranslate());

+    if (disableParentSwiper && swiper.params.nested) e.stopPropagation();

+

+    if (!swiper.params.freeMode) {

+      // Register the new event in a variable which stores the relevant data

+      var newEvent = {

+        time: (0, _utils.now)(),

+        delta: Math.abs(delta),

+        direction: Math.sign(delta),

+        raw: event

+      }; // Keep the most recent events

+

+      var recentWheelEvents = swiper.mousewheel.recentWheelEvents;

+

+      if (recentWheelEvents.length >= 2) {

+        recentWheelEvents.shift(); // only store the last N events

+      }

+

+      var prevEvent = recentWheelEvents.length ? recentWheelEvents[recentWheelEvents.length - 1] : undefined;

+      recentWheelEvents.push(newEvent); // If there is at least one previous recorded event:

+      //   If direction has changed or

+      //   if the scroll is quicker than the previous one:

+      //     Animate the slider.

+      // Else (this is the first time the wheel is moved):

+      //     Animate the slider.

+

+      if (prevEvent) {

+        if (newEvent.direction !== prevEvent.direction || newEvent.delta > prevEvent.delta || newEvent.time > prevEvent.time + 150) {

+          swiper.mousewheel.animateSlider(newEvent);

+        }

+      } else {

+        swiper.mousewheel.animateSlider(newEvent);

+      } // If it's time to release the scroll:

+      //   Return now so you don't hit the preventDefault.

+

+

+      if (swiper.mousewheel.releaseScroll(newEvent)) {

+        return true;

+      }

+    } else {

+      // Freemode or scrollContainer:

+      // If we recently snapped after a momentum scroll, then ignore wheel events

+      // to give time for the deceleration to finish. Stop ignoring after 500 msecs

+      // or if it's a new scroll (larger delta or inverse sign as last event before

+      // an end-of-momentum snap).

+      var _newEvent = {

+        time: (0, _utils.now)(),

+        delta: Math.abs(delta),

+        direction: Math.sign(delta)

+      };

+      var lastEventBeforeSnap = swiper.mousewheel.lastEventBeforeSnap;

+      var ignoreWheelEvents = lastEventBeforeSnap && _newEvent.time < lastEventBeforeSnap.time + 500 && _newEvent.delta <= lastEventBeforeSnap.delta && _newEvent.direction === lastEventBeforeSnap.direction;

+

+      if (!ignoreWheelEvents) {

+        swiper.mousewheel.lastEventBeforeSnap = undefined;

+

+        if (swiper.params.loop) {

+          swiper.loopFix();

+        }

+

+        var position = swiper.getTranslate() + delta * params.sensitivity;

+        var wasBeginning = swiper.isBeginning;

+        var wasEnd = swiper.isEnd;

+        if (position >= swiper.minTranslate()) position = swiper.minTranslate();

+        if (position <= swiper.maxTranslate()) position = swiper.maxTranslate();

+        swiper.setTransition(0);

+        swiper.setTranslate(position);

+        swiper.updateProgress();

+        swiper.updateActiveIndex();

+        swiper.updateSlidesClasses();

+

+        if (!wasBeginning && swiper.isBeginning || !wasEnd && swiper.isEnd) {

+          swiper.updateSlidesClasses();

+        }

+

+        if (swiper.params.freeModeSticky) {

+          // When wheel scrolling starts with sticky (aka snap) enabled, then detect

+          // the end of a momentum scroll by storing recent (N=15?) wheel events.

+          // 1. do all N events have decreasing or same (absolute value) delta?

+          // 2. did all N events arrive in the last M (M=500?) msecs?

+          // 3. does the earliest event have an (absolute value) delta that's

+          //    at least P (P=1?) larger than the most recent event's delta?

+          // 4. does the latest event have a delta that's smaller than Q (Q=6?) pixels?

+          // If 1-4 are "yes" then we're near the end of a momentum scroll deceleration.

+          // Snap immediately and ignore remaining wheel events in this scroll.

+          // See comment above for "remaining wheel events in this scroll" determination.

+          // If 1-4 aren't satisfied, then wait to snap until 500ms after the last event.

+          clearTimeout(swiper.mousewheel.timeout);

+          swiper.mousewheel.timeout = undefined;

+          var _recentWheelEvents = swiper.mousewheel.recentWheelEvents;

+

+          if (_recentWheelEvents.length >= 15) {

+            _recentWheelEvents.shift(); // only store the last N events

+

+          }

+

+          var _prevEvent = _recentWheelEvents.length ? _recentWheelEvents[_recentWheelEvents.length - 1] : undefined;

+

+          var firstEvent = _recentWheelEvents[0];

+

+          _recentWheelEvents.push(_newEvent);

+

+          if (_prevEvent && (_newEvent.delta > _prevEvent.delta || _newEvent.direction !== _prevEvent.direction)) {

+            // Increasing or reverse-sign delta means the user started scrolling again. Clear the wheel event log.

+            _recentWheelEvents.splice(0);

+          } else if (_recentWheelEvents.length >= 15 && _newEvent.time - firstEvent.time < 500 && firstEvent.delta - _newEvent.delta >= 1 && _newEvent.delta <= 6) {

+            // We're at the end of the deceleration of a momentum scroll, so there's no need

+            // to wait for more events. Snap ASAP on the next tick.

+            // Also, because there's some remaining momentum we'll bias the snap in the

+            // direction of the ongoing scroll because it's better UX for the scroll to snap

+            // in the same direction as the scroll instead of reversing to snap.  Therefore,

+            // if it's already scrolled more than 20% in the current direction, keep going.

+            var snapToThreshold = delta > 0 ? 0.8 : 0.2;

+            swiper.mousewheel.lastEventBeforeSnap = _newEvent;

+

+            _recentWheelEvents.splice(0);

+

+            swiper.mousewheel.timeout = (0, _utils.nextTick)(function () {

+              swiper.slideToClosest(swiper.params.speed, true, undefined, snapToThreshold);

+            }, 0); // no delay; move on next tick

+          }

+

+          if (!swiper.mousewheel.timeout) {

+            // if we get here, then we haven't detected the end of a momentum scroll, so

+            // we'll consider a scroll "complete" when there haven't been any wheel events

+            // for 500ms.

+            swiper.mousewheel.timeout = (0, _utils.nextTick)(function () {

+              var snapToThreshold = 0.5;

+              swiper.mousewheel.lastEventBeforeSnap = _newEvent;

+

+              _recentWheelEvents.splice(0);

+

+              swiper.slideToClosest(swiper.params.speed, true, undefined, snapToThreshold);

+            }, 500);

+          }

+        } // Emit event

+

+

+        if (!ignoreWheelEvents) swiper.emit('scroll', e); // Stop autoplay

+

+        if (swiper.params.autoplay && swiper.params.autoplayDisableOnInteraction) swiper.autoplay.stop(); // Return page scroll on edge positions

+

+        if (position === swiper.minTranslate() || position === swiper.maxTranslate()) return true;

+      }

+    }

+

+    if (e.preventDefault) e.preventDefault();else e.returnValue = false;

+    return false;

+  },

+  animateSlider: function animateSlider(newEvent) {

+    var swiper = this;

+    var window = (0, _ssrWindow.getWindow)();

+

+    if (this.params.mousewheel.thresholdDelta && newEvent.delta < this.params.mousewheel.thresholdDelta) {

+      // Prevent if delta of wheel scroll delta is below configured threshold

+      return false;

+    }

+

+    if (this.params.mousewheel.thresholdTime && (0, _utils.now)() - swiper.mousewheel.lastScrollTime < this.params.mousewheel.thresholdTime) {

+      // Prevent if time between scrolls is below configured threshold

+      return false;

+    } // If the movement is NOT big enough and

+    // if the last time the user scrolled was too close to the current one (avoid continuously triggering the slider):

+    //   Don't go any further (avoid insignificant scroll movement).

+

+

+    if (newEvent.delta >= 6 && (0, _utils.now)() - swiper.mousewheel.lastScrollTime < 60) {

+      // Return false as a default

+      return true;

+    } // If user is scrolling towards the end:

+    //   If the slider hasn't hit the latest slide or

+    //   if the slider is a loop and

+    //   if the slider isn't moving right now:

+    //     Go to next slide and

+    //     emit a scroll event.

+    // Else (the user is scrolling towards the beginning) and

+    // if the slider hasn't hit the first slide or

+    // if the slider is a loop and

+    // if the slider isn't moving right now:

+    //   Go to prev slide and

+    //   emit a scroll event.

+

+

+    if (newEvent.direction < 0) {

+      if ((!swiper.isEnd || swiper.params.loop) && !swiper.animating) {

+        swiper.slideNext();

+        swiper.emit('scroll', newEvent.raw);

+      }

+    } else if ((!swiper.isBeginning || swiper.params.loop) && !swiper.animating) {

+      swiper.slidePrev();

+      swiper.emit('scroll', newEvent.raw);

+    } // If you got here is because an animation has been triggered so store the current time

+

+

+    swiper.mousewheel.lastScrollTime = new window.Date().getTime(); // Return false as a default

+

+    return false;

+  },

+  releaseScroll: function releaseScroll(newEvent) {

+    var swiper = this;

+    var params = swiper.params.mousewheel;

+

+    if (newEvent.direction < 0) {

+      if (swiper.isEnd && !swiper.params.loop && params.releaseOnEdges) {

+        // Return true to animate scroll on edges

+        return true;

+      }

+    } else if (swiper.isBeginning && !swiper.params.loop && params.releaseOnEdges) {

+      // Return true to animate scroll on edges

+      return true;

+    }

+

+    return false;

+  },

+  enable: function enable() {