splide/dist/js/splide.cjs.js

/*!
 * Splide.js
 * Version  : 3.6.14
 * License  : MIT
 * Copyright: 2022 Naotoshi Fujita
 */
'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

const CREATED = 1;
const MOUNTED = 2;
const IDLE = 3;
const MOVING = 4;
const DRAGGING = 5;
const DESTROYED = 6;
const STATES = {
  CREATED,
  MOUNTED,
  IDLE,
  MOVING,
  DRAGGING,
  DESTROYED
};

const DEFAULT_EVENT_PRIORITY = 10;
const DEFAULT_USER_EVENT_PRIORITY = 20;

function empty(array) {
  array.length = 0;
}

function isObject(subject) {
  return !isNull(subject) && typeof subject === "object";
}
function isArray(subject) {
  return Array.isArray(subject);
}
function isFunction(subject) {
  return typeof subject === "function";
}
function isString(subject) {
  return typeof subject === "string";
}
function isUndefined(subject) {
  return typeof subject === "undefined";
}
function isNull(subject) {
  return subject === null;
}
function isHTMLElement(subject) {
  return subject instanceof HTMLElement;
}

function toArray(value) {
  return isArray(value) ? value : [value];
}

function forEach(values, iteratee) {
  toArray(values).forEach(iteratee);
}

function includes(array, value) {
  return array.indexOf(value) > -1;
}

function push(array, items) {
  array.push(...toArray(items));
  return array;
}

const arrayProto = Array.prototype;

function slice(arrayLike, start, end) {
  return arrayProto.slice.call(arrayLike, start, end);
}

function find(arrayLike, predicate) {
  return slice(arrayLike).filter(predicate)[0];
}

function toggleClass(elm, classes, add) {
  if (elm) {
    forEach(classes, (name) => {
      if (name) {
        elm.classList[add ? "add" : "remove"](name);
      }
    });
  }
}

function addClass(elm, classes) {
  toggleClass(elm, isString(classes) ? classes.split(" ") : classes, true);
}

function append(parent, children) {
  forEach(children, parent.appendChild.bind(parent));
}

function before(nodes, ref) {
  forEach(nodes, (node) => {
    const parent = ref.parentNode;
    if (parent) {
      parent.insertBefore(node, ref);
    }
  });
}

function matches(elm, selector) {
  return isHTMLElement(elm) && (elm["msMatchesSelector"] || elm.matches).call(elm, selector);
}

function children(parent, selector) {
  return parent ? slice(parent.children).filter((child) => matches(child, selector)) : [];
}

function child(parent, selector) {
  return selector ? children(parent, selector)[0] : parent.firstElementChild;
}

function forOwn(object, iteratee, right) {
  if (object) {
    let keys = Object.keys(object);
    keys = right ? keys.reverse() : keys;
    for (let i = 0; i < keys.length; i++) {
      const key = keys[i];
      if (key !== "__proto__") {
        if (iteratee(object[key], key) === false) {
          break;
        }
      }
    }
  }
  return object;
}

function assign(object) {
  slice(arguments, 1).forEach((source) => {
    forOwn(source, (value, key) => {
      object[key] = source[key];
    });
  });
  return object;
}

function merge(object, source) {
  forOwn(source, (value, key) => {
    if (isArray(value)) {
      object[key] = value.slice();
    } else if (isObject(value)) {
      object[key] = merge(isObject(object[key]) ? object[key] : {}, value);
    } else {
      object[key] = value;
    }
  });
  return object;
}

function removeAttribute(elms, attrs) {
  forEach(elms, (elm) => {
    forEach(attrs, (attr) => {
      elm && elm.removeAttribute(attr);
    });
  });
}

function setAttribute(elms, attrs, value) {
  if (isObject(attrs)) {
    forOwn(attrs, (value2, name) => {
      setAttribute(elms, name, value2);
    });
  } else {
    forEach(elms, (elm) => {
      isNull(value) ? removeAttribute(elm, attrs) : elm.setAttribute(attrs, String(value));
    });
  }
}

function create(tag, attrs, parent) {
  const elm = document.createElement(tag);
  if (attrs) {
    isString(attrs) ? addClass(elm, attrs) : setAttribute(elm, attrs);
  }
  parent && append(parent, elm);
  return elm;
}

function style(elm, prop, value) {
  if (isUndefined(value)) {
    return getComputedStyle(elm)[prop];
  }
  if (!isNull(value)) {
    const { style: style2 } = elm;
    value = `${value}`;
    if (style2[prop] !== value) {
      style2[prop] = value;
    }
  }
}

function display(elm, display2) {
  style(elm, "display", display2);
}

function focus(elm) {
  elm["setActive"] && elm["setActive"]() || elm.focus({ preventScroll: true });
}

function getAttribute(elm, attr) {
  return elm.getAttribute(attr);
}

function hasClass(elm, className) {
  return elm && elm.classList.contains(className);
}

function rect(target) {
  return target.getBoundingClientRect();
}

function remove(nodes) {
  forEach(nodes, (node) => {
    if (node && node.parentNode) {
      node.parentNode.removeChild(node);
    }
  });
}

function measure(parent, value) {
  if (isString(value)) {
    const div = create("div", { style: `width: ${value}; position: absolute;` }, parent);
    value = rect(div).width;
    remove(div);
  }
  return value;
}

function parseHtml(html) {
  return child(new DOMParser().parseFromString(html, "text/html").body);
}

function prevent(e, stopPropagation) {
  e.preventDefault();
  if (stopPropagation) {
    e.stopPropagation();
    e.stopImmediatePropagation();
  }
}

function query(parent, selector) {
  return parent && parent.querySelector(selector);
}

function queryAll(parent, selector) {
  return slice(parent.querySelectorAll(selector));
}

function removeClass(elm, classes) {
  toggleClass(elm, classes, false);
}

function unit(value) {
  return isString(value) ? value : value ? `${value}px` : "";
}

const PROJECT_CODE = "splide";
const DATA_ATTRIBUTE = `data-${PROJECT_CODE}`;

function assert(condition, message) {
  if (!condition) {
    throw new Error(`[${PROJECT_CODE}] ${message || ""}`);
  }
}

function apply(func) {
  return func.bind(null, ...slice(arguments, 1));
}

const nextTick = setTimeout;

const noop = () => {
};

function raf(func) {
  return requestAnimationFrame(func);
}

const { min, max, floor, ceil, abs } = Math;

function approximatelyEqual(x, y, epsilon) {
  return abs(x - y) < epsilon;
}

function between(number, minOrMax, maxOrMin, exclusive) {
  const minimum = min(minOrMax, maxOrMin);
  const maximum = max(minOrMax, maxOrMin);
  return exclusive ? minimum < number && number < maximum : minimum <= number && number <= maximum;
}

function clamp(number, x, y) {
  const minimum = min(x, y);
  const maximum = max(x, y);
  return min(max(minimum, number), maximum);
}

function sign(x) {
  return +(x > 0) - +(x < 0);
}

function camelToKebab(string) {
  return string.replace(/([a-z0-9])([A-Z])/g, "$1-$2").toLowerCase();
}

function format(string, replacements) {
  forEach(replacements, (replacement) => {
    string = string.replace("%s", `${replacement}`);
  });
  return string;
}

function pad(number) {
  return number < 10 ? `0${number}` : `${number}`;
}

const ids = {};
function uniqueId(prefix) {
  return `${prefix}${pad(ids[prefix] = (ids[prefix] || 0) + 1)}`;
}

function EventBus() {
  let handlers = {};
  function on(events, callback, key, priority = DEFAULT_EVENT_PRIORITY) {
    forEachEvent(events, (event, namespace) => {
      handlers[event] = handlers[event] || [];
      push(handlers[event], {
        _event: event,
        _callback: callback,
        _namespace: namespace,
        _priority: priority,
        _key: key
      }).sort((handler1, handler2) => handler1._priority - handler2._priority);
    });
  }
  function off(events, key) {
    forEachEvent(events, (event, namespace) => {
      const eventHandlers = handlers[event];
      handlers[event] = eventHandlers && eventHandlers.filter((handler) => {
        return handler._key ? handler._key !== key : key || handler._namespace !== namespace;
      });
    });
  }
  function offBy(key) {
    forOwn(handlers, (eventHandlers, event) => {
      off(event, key);
    });
  }
  function emit(event) {
    (handlers[event] || []).forEach((handler) => {
      handler._callback.apply(handler, slice(arguments, 1));
    });
  }
  function destroy() {
    handlers = {};
  }
  function forEachEvent(events, iteratee) {
    toArray(events).join(" ").split(" ").forEach((eventNS) => {
      const fragments = eventNS.split(".");
      iteratee(fragments[0], fragments[1]);
    });
  }
  return {
    on,
    off,
    offBy,
    emit,
    destroy
  };
}

const EVENT_MOUNTED = "mounted";
const EVENT_READY = "ready";
const EVENT_MOVE = "move";
const EVENT_MOVED = "moved";
const EVENT_SHIFTED = "shifted";
const EVENT_CLICK = "click";
const EVENT_ACTIVE = "active";
const EVENT_INACTIVE = "inactive";
const EVENT_VISIBLE = "visible";
const EVENT_HIDDEN = "hidden";
const EVENT_SLIDE_KEYDOWN = "slide:keydown";
const EVENT_REFRESH = "refresh";
const EVENT_UPDATED = "updated";
const EVENT_RESIZE = "resize";
const EVENT_RESIZED = "resized";
const EVENT_REPOSITIONED = "repositioned";
const EVENT_DRAG = "drag";
const EVENT_DRAGGING = "dragging";
const EVENT_DRAGGED = "dragged";
const EVENT_SCROLL = "scroll";
const EVENT_SCROLLED = "scrolled";
const EVENT_DESTROY = "destroy";
const EVENT_ARROWS_MOUNTED = "arrows:mounted";
const EVENT_ARROWS_UPDATED = "arrows:updated";
const EVENT_PAGINATION_MOUNTED = "pagination:mounted";
const EVENT_PAGINATION_UPDATED = "pagination:updated";
const EVENT_NAVIGATION_MOUNTED = "navigation:mounted";
const EVENT_AUTOPLAY_PLAY = "autoplay:play";
const EVENT_AUTOPLAY_PLAYING = "autoplay:playing";
const EVENT_AUTOPLAY_PAUSE = "autoplay:pause";
const EVENT_LAZYLOAD_LOADED = "lazyload:loaded";

function EventInterface(Splide2) {
  const { event } = Splide2;
  const key = {};
  let listeners = [];
  function on(events, callback, priority) {
    event.on(events, callback, key, priority);
  }
  function off(events) {
    event.off(events, key);
  }
  function bind(targets, events, callback, options) {
    forEachEvent(targets, events, (target, event2) => {
      listeners.push([target, event2, callback, options]);
      target.addEventListener(event2, callback, options);
    });
  }
  function unbind(targets, events, callback) {
    forEachEvent(targets, events, (target, event2) => {
      listeners = listeners.filter((listener) => {
        if (listener[0] === target && listener[1] === event2 && (!callback || listener[2] === callback)) {
          target.removeEventListener(event2, listener[2], listener[3]);
          return false;
        }
        return true;
      });
    });
  }
  function forEachEvent(targets, events, iteratee) {
    forEach(targets, (target) => {
      if (target) {
        events.split(" ").forEach(apply(iteratee, target));
      }
    });
  }
  function destroy() {
    listeners = listeners.filter((data) => unbind(data[0], data[1]));
    event.offBy(key);
  }
  event.on(EVENT_DESTROY, destroy, key);
  return {
    on,
    off,
    emit: event.emit,
    bind,
    unbind,
    destroy
  };
}

function RequestInterval(interval, onInterval, onUpdate, limit) {
  const { now } = Date;
  let startTime;
  let rate = 0;
  let id;
  let paused = true;
  let count = 0;
  function update() {
    if (!paused) {
      const elapsed = now() - startTime;
      if (elapsed >= interval) {
        rate = 1;
        startTime = now();
      } else {
        rate = elapsed / interval;
      }
      if (onUpdate) {
        onUpdate(rate);
      }
      if (rate === 1) {
        onInterval();
        if (limit && ++count >= limit) {
          return pause();
        }
      }
      raf(update);
    }
  }
  function start(resume) {
    !resume && cancel();
    startTime = now() - (resume ? rate * interval : 0);
    paused = false;
    raf(update);
  }
  function pause() {
    paused = true;
  }
  function rewind() {
    startTime = now();
    rate = 0;
    if (onUpdate) {
      onUpdate(rate);
    }
  }
  function cancel() {
    cancelAnimationFrame(id);
    rate = 0;
    id = 0;
    paused = true;
  }
  function set(time) {
    interval = time;
  }
  function isPaused() {
    return paused;
  }
  return {
    start,
    rewind,
    pause,
    cancel,
    set,
    isPaused
  };
}

function State(initialState) {
  let state = initialState;
  function set(value) {
    state = value;
  }
  function is(states) {
    return includes(toArray(states), state);
  }
  return { set, is };
}

function Throttle(func, duration) {
  let interval;
  function throttled() {
    if (!interval) {
      interval = RequestInterval(duration || 0, () => {
        func.apply(this, arguments);
        interval = null;
      }, null, 1);
      interval.start();
    }
  }
  return throttled;
}

function Options(Splide2, Components2, options) {
  const throttledObserve = Throttle(observe);
  let initialOptions;
  let points;
  let currPoint;
  function setup() {
    initialOptions = merge({}, options);
    const { breakpoints } = options;
    if (breakpoints) {
      const isMin = options.mediaQuery === "min";
      points = Object.keys(breakpoints).sort((n, m) => isMin ? +m - +n : +n - +m).map((point) => [
        point,
        matchMedia(`(${isMin ? "min" : "max"}-width:${point}px)`)
      ]);
      observe();
    }
  }
  function mount() {
    if (points) {
      addEventListener("resize", throttledObserve);
    }
  }
  function destroy(completely) {
    if (completely) {
      removeEventListener("resize", throttledObserve);
    }
  }
  function observe() {
    const item = find(points, (item2) => item2[1].matches) || [];
    if (item[0] !== currPoint) {
      onMatch(currPoint = item[0]);
    }
  }
  function onMatch(point) {
    const newOptions = options.breakpoints[point] || initialOptions;
    if (newOptions.destroy) {
      Splide2.options = initialOptions;
      Splide2.destroy(newOptions.destroy === "completely");
    } else {
      if (Splide2.state.is(DESTROYED)) {
        destroy(true);
        Splide2.mount();
      }
      Splide2.options = newOptions;
    }
  }
  return {
    setup,
    mount,
    destroy
  };
}

const RTL = "rtl";
const TTB = "ttb";

const ORIENTATION_MAP = {
  marginRight: ["marginBottom", "marginLeft"],
  autoWidth: ["autoHeight"],
  fixedWidth: ["fixedHeight"],
  paddingLeft: ["paddingTop", "paddingRight"],
  paddingRight: ["paddingBottom", "paddingLeft"],
  width: ["height"],
  left: ["top", "right"],
  right: ["bottom", "left"],
  x: ["y"],
  X: ["Y"],
  Y: ["X"],
  ArrowLeft: ["ArrowUp", "ArrowRight"],
  ArrowRight: ["ArrowDown", "ArrowLeft"]
};
function Direction(Splide2, Components2, options) {
  function resolve(prop, axisOnly) {
    const { direction } = options;
    const index = direction === RTL && !axisOnly ? 1 : direction === TTB ? 0 : -1;
    return ORIENTATION_MAP[prop][index] || prop;
  }
  function orient(value) {
    return value * (options.direction === RTL ? 1 : -1);
  }
  return {
    resolve,
    orient
  };
}

const ROLE = "role";
const TAB_INDEX = "tabindex";
const DISABLED = "disabled";
const ARIA_PREFIX = "aria-";
const ARIA_CONTROLS = `${ARIA_PREFIX}controls`;
const ARIA_CURRENT = `${ARIA_PREFIX}current`;
const ARIA_LABEL = `${ARIA_PREFIX}label`;
const ARIA_HIDDEN = `${ARIA_PREFIX}hidden`;
const ARIA_ORIENTATION = `${ARIA_PREFIX}orientation`;
const ARIA_ROLEDESCRIPTION = `${ARIA_PREFIX}roledescription`;
const ARIA_ATOMIC = `${ARIA_PREFIX}atomic`;
const ARIA_LIVE = `${ARIA_PREFIX}live`;
const ALL_ATTRIBUTES = [
  ROLE,
  TAB_INDEX,
  DISABLED,
  ARIA_CONTROLS,
  ARIA_CURRENT,
  ARIA_LABEL,
  ARIA_HIDDEN,
  ARIA_ORIENTATION,
  ARIA_ROLEDESCRIPTION,
  ARIA_ATOMIC,
  ARIA_LIVE
];

const CLASS_ROOT = PROJECT_CODE;
const CLASS_SLIDER = `${PROJECT_CODE}__slider`;
const CLASS_TRACK = `${PROJECT_CODE}__track`;
const CLASS_LIST = `${PROJECT_CODE}__list`;
const CLASS_SLIDE = `${PROJECT_CODE}__slide`;
const CLASS_CLONE = `${CLASS_SLIDE}--clone`;
const CLASS_CONTAINER = `${CLASS_SLIDE}__container`;
const CLASS_ARROWS = `${PROJECT_CODE}__arrows`;
const CLASS_ARROW = `${PROJECT_CODE}__arrow`;
const CLASS_ARROW_PREV = `${CLASS_ARROW}--prev`;
const CLASS_ARROW_NEXT = `${CLASS_ARROW}--next`;
const CLASS_PAGINATION = `${PROJECT_CODE}__pagination`;
const CLASS_PAGINATION_PAGE = `${CLASS_PAGINATION}__page`;
const CLASS_PROGRESS = `${PROJECT_CODE}__progress`;
const CLASS_PROGRESS_BAR = `${CLASS_PROGRESS}__bar`;
const CLASS_AUTOPLAY = `${PROJECT_CODE}__autoplay`;
const CLASS_PLAY = `${PROJECT_CODE}__play`;
const CLASS_PAUSE = `${PROJECT_CODE}__pause`;
const CLASS_SPINNER = `${PROJECT_CODE}__spinner`;
const CLASS_SR = `${PROJECT_CODE}__sr`;
const CLASS_INITIALIZED = "is-initialized";
const CLASS_ACTIVE = "is-active";
const CLASS_PREV = "is-prev";
const CLASS_NEXT = "is-next";
const CLASS_VISIBLE = "is-visible";
const CLASS_LOADING = "is-loading";
const STATUS_CLASSES = [CLASS_ACTIVE, CLASS_VISIBLE, CLASS_PREV, CLASS_NEXT, CLASS_LOADING];
const CLASSES = {
  slide: CLASS_SLIDE,
  clone: CLASS_CLONE,
  arrows: CLASS_ARROWS,
  arrow: CLASS_ARROW,
  prev: CLASS_ARROW_PREV,
  next: CLASS_ARROW_NEXT,
  pagination: CLASS_PAGINATION,
  page: CLASS_PAGINATION_PAGE,
  spinner: CLASS_SPINNER
};

function Elements(Splide2, Components2, options) {
  const { on } = EventInterface(Splide2);
  const { root } = Splide2;
  const { i18n } = options;
  const elements = {};
  const slides = [];
  let classes;
  let slider;
  let track;
  let list;
  function setup() {
    collect();
    init();
    addClass(root, classes = getClasses());
  }
  function mount() {
    const priority = DEFAULT_EVENT_PRIORITY - 2;
    on(EVENT_REFRESH, destroy, priority);
    on(EVENT_REFRESH, setup, priority);
    on(EVENT_UPDATED, update);
  }
  function destroy() {
    empty(slides);
    removeClass(root, classes);
    removeAttribute([root, track, list], ALL_ATTRIBUTES.concat("style"));
  }
  function update() {
    removeClass(root, classes);
    addClass(root, classes = getClasses());
  }
  function collect() {
    slider = child(root, `.${CLASS_SLIDER}`);
    track = query(root, `.${CLASS_TRACK}`);
    list = child(track, `.${CLASS_LIST}`);
    assert(track && list, "A track/list element is missing.");
    push(slides, children(list, `.${CLASS_SLIDE}:not(.${CLASS_CLONE})`));
    const autoplay = find(`.${CLASS_AUTOPLAY}`);
    const arrows = find(`.${CLASS_ARROWS}`);
    assign(elements, {
      root,
      slider,
      track,
      list,
      slides,
      arrows,
      autoplay,
      prev: query(arrows, `.${CLASS_ARROW_PREV}`),
      next: query(arrows, `.${CLASS_ARROW_NEXT}`),
      bar: query(find(`.${CLASS_PROGRESS}`), `.${CLASS_PROGRESS_BAR}`),
      play: query(autoplay, `.${CLASS_PLAY}`),
      pause: query(autoplay, `.${CLASS_PAUSE}`)
    });
  }
  function init() {
    const id = root.id || uniqueId(PROJECT_CODE);
    root.id = id;
    track.id = track.id || `${id}-track`;
    list.id = list.id || `${id}-list`;
    setAttribute(root, ARIA_ROLEDESCRIPTION, i18n.carousel);
    setAttribute(root, ROLE, root.tagName !== "SECTION" && options.role || null);
    setAttribute(list, ROLE, "none");
  }
  function find(selector) {
    return child(root, selector) || child(slider, selector);
  }
  function getClasses() {
    return [
      `${CLASS_ROOT}--${options.type}`,
      `${CLASS_ROOT}--${options.direction}`,
      options.drag && `${CLASS_ROOT}--draggable`,
      options.isNavigation && `${CLASS_ROOT}--nav`,
      CLASS_ACTIVE
    ];
  }
  return assign(elements, {
    setup,
    mount,
    destroy
  });
}

const SLIDE = "slide";
const LOOP = "loop";
const FADE = "fade";

function Slide$1(Splide2, index, slideIndex, slide) {
  const { on, emit, bind, destroy: destroyEvents } = EventInterface(Splide2);
  const { Components, root, options } = Splide2;
  const { isNavigation, updateOnMove, i18n } = options;
  const { resolve } = Components.Direction;
  const styles = getAttribute(slide, "style");
  const isClone = slideIndex > -1;
  const container = child(slide, `.${CLASS_CONTAINER}`);
  const focusableNodes = options.focusableNodes && queryAll(slide, options.focusableNodes);
  let destroyed;
  function mount() {
    if (!isClone) {
      slide.id = `${root.id}-slide${pad(index + 1)}`;
      setAttribute(slide, ROLE, "group");
      setAttribute(slide, ARIA_ROLEDESCRIPTION, i18n.slide);
      setAttribute(slide, ARIA_LABEL, format(i18n.slideLabel, [index + 1, Splide2.length]));
    }
    listen();
  }
  function listen() {
    bind(slide, "click keydown", (e) => {
      emit(e.type === "click" ? EVENT_CLICK : EVENT_SLIDE_KEYDOWN, self, e);
    });
    on([EVENT_REFRESH, EVENT_REPOSITIONED, EVENT_SHIFTED, EVENT_MOVED, EVENT_SCROLLED], update);
    on(EVENT_NAVIGATION_MOUNTED, initNavigation);
    if (updateOnMove) {
      on(EVENT_MOVE, onMove);
    }
  }
  function destroy() {
    destroyed = true;
    destroyEvents();
    removeClass(slide, STATUS_CLASSES);
    removeAttribute(slide, ALL_ATTRIBUTES);
    setAttribute(slide, "style", styles);
  }
  function initNavigation() {
    const idx = isClone ? slideIndex : index;
    const label = format(i18n.slideX, idx + 1);
    const controls = Splide2.splides.map((target) => target.splide.root.id).join(" ");
    setAttribute(slide, ARIA_LABEL, label);
    setAttribute(slide, ARIA_CONTROLS, controls);
    setAttribute(slide, ROLE, "menuitem");
    updateActivity(isActive());
  }
  function onMove() {
    if (!destroyed) {
      update();
    }
  }
  function update() {
    if (!destroyed) {
      const { index: currIndex } = Splide2;
      updateActivity(isActive());
      updateVisibility(isVisible());
      toggleClass(slide, CLASS_PREV, index === currIndex - 1);
      toggleClass(slide, CLASS_NEXT, index === currIndex + 1);
    }
  }
  function updateActivity(active) {
    if (active !== hasClass(slide, CLASS_ACTIVE)) {
      toggleClass(slide, CLASS_ACTIVE, active);
      if (isNavigation) {
        setAttribute(slide, ARIA_CURRENT, active || null);
      }
      emit(active ? EVENT_ACTIVE : EVENT_INACTIVE, self);
    }
  }
  function updateVisibility(visible) {
    const hidden = !visible && (!isActive() || isClone);
    setAttribute(slide, ARIA_HIDDEN, hidden || null);
    setAttribute(slide, TAB_INDEX, !hidden && options.slideFocus ? 0 : null);
    setAttribute(focusableNodes || [], TAB_INDEX, hidden ? -1 : null);
    if (visible !== hasClass(slide, CLASS_VISIBLE)) {
      toggleClass(slide, CLASS_VISIBLE, visible);
      emit(visible ? EVENT_VISIBLE : EVENT_HIDDEN, self);
    }
  }
  function style$1(prop, value, useContainer) {
    style(useContainer && container || slide, prop, value);
  }
  function isActive() {
    const { index: curr } = Splide2;
    return curr === index || options.cloneStatus && curr === slideIndex;
  }
  function isVisible() {
    if (Splide2.is(FADE)) {
      return isActive();
    }
    const trackRect = rect(Components.Elements.track);
    const slideRect = rect(slide);
    const left = resolve("left");
    const right = resolve("right");
    return floor(trackRect[left]) <= ceil(slideRect[left]) && floor(slideRect[right]) <= ceil(trackRect[right]);
  }
  function isWithin(from, distance) {
    let diff = abs(from - index);
    if (!isClone && (options.rewind || Splide2.is(LOOP))) {
      diff = min(diff, Splide2.length - diff);
    }
    return diff <= distance;
  }
  const self = {
    index,
    slideIndex,
    slide,
    container,
    isClone,
    mount,
    destroy,
    update,
    style: style$1,
    isWithin
  };
  return self;
}

function Slides(Splide2, Components2, options) {
  const { on, emit, bind } = EventInterface(Splide2);
  const { slides, list } = Components2.Elements;
  const Slides2 = [];
  function mount() {
    init();
    on(EVENT_REFRESH, destroy);
    on(EVENT_REFRESH, init);
    on([EVENT_MOUNTED, EVENT_REFRESH], () => {
      Slides2.sort((Slide1, Slide2) => Slide1.index - Slide2.index);
    });
  }
  function init() {
    slides.forEach((slide, index) => {
      register(slide, index, -1);
    });
  }
  function destroy() {
    forEach$1((Slide2) => {
      Slide2.destroy();
    });
    empty(Slides2);
  }
  function update() {
    forEach$1((Slide2) => {
      Slide2.update();
    });
  }
  function register(slide, index, slideIndex) {
    const object = Slide$1(Splide2, index, slideIndex, slide);
    object.mount();
    Slides2.push(object);
  }
  function get(excludeClones) {
    return excludeClones ? filter((Slide2) => !Slide2.isClone) : Slides2;
  }
  function getIn(page) {
    const { Controller } = Components2;
    const index = Controller.toIndex(page);
    const max = Controller.hasFocus() ? 1 : options.perPage;
    return filter((Slide2) => between(Slide2.index, index, index + max - 1));
  }
  function getAt(index) {
    return filter(index)[0];
  }
  function add(items, index) {
    forEach(items, (slide) => {
      if (isString(slide)) {
        slide = parseHtml(slide);
      }
      if (isHTMLElement(slide)) {
        const ref = slides[index];
        ref ? before(slide, ref) : append(list, slide);
        addClass(slide, options.classes.slide);
        observeImages(slide, apply(emit, EVENT_RESIZE));
      }
    });
    emit(EVENT_REFRESH);
  }
  function remove$1(matcher) {
    remove(filter(matcher).map((Slide2) => Slide2.slide));
    emit(EVENT_REFRESH);
  }
  function forEach$1(iteratee, excludeClones) {
    get(excludeClones).forEach(iteratee);
  }
  function filter(matcher) {
    return Slides2.filter(isFunction(matcher) ? matcher : (Slide2) => isString(matcher) ? matches(Slide2.slide, matcher) : includes(toArray(matcher), Slide2.index));
  }
  function style(prop, value, useContainer) {
    forEach$1((Slide2) => {
      Slide2.style(prop, value, useContainer);
    });
  }
  function observeImages(elm, callback) {
    const images = queryAll(elm, "img");
    let { length } = images;
    if (length) {
      images.forEach((img) => {
        bind(img, "load error", () => {
          if (!--length) {
            callback();
          }
        });
      });
    } else {
      callback();
    }
  }
  function getLength(excludeClones) {
    return excludeClones ? slides.length : Slides2.length;
  }
  function isEnough() {
    return Slides2.length > options.perPage;
  }
  return {
    mount,
    destroy,
    update,
    register,
    get,
    getIn,
    getAt,
    add,
    remove: remove$1,
    forEach: forEach$1,
    filter,
    style,
    getLength,
    isEnough
  };
}

function Layout(Splide2, Components2, options) {
  const { on, bind, emit } = EventInterface(Splide2);
  const { Slides } = Components2;
  const { resolve } = Components2.Direction;
  const { root, track, list } = Components2.Elements;
  const { getAt } = Slides;
  let vertical;
  let rootRect;
  function mount() {
    init();
    bind(window, "resize load", Throttle(emit.bind(this, EVENT_RESIZE)));
    on([EVENT_UPDATED, EVENT_REFRESH], init);
    on(EVENT_RESIZE, resize);
  }
  function init() {
    rootRect = null;
    vertical = options.direction === TTB;
    style(root, "maxWidth", unit(options.width));
    style(track, resolve("paddingLeft"), cssPadding(false));
    style(track, resolve("paddingRight"), cssPadding(true));
    resize();
  }
  function resize() {
    const newRect = rect(root);
    if (!rootRect || rootRect.width !== newRect.width || rootRect.height !== newRect.height) {
      style(track, "height", cssTrackHeight());
      Slides.style(resolve("marginRight"), unit(options.gap));
      Slides.style("width", cssSlideWidth() || null);
      setSlidesHeight();
      rootRect = newRect;
      emit(EVENT_RESIZED);
    }
  }
  function setSlidesHeight() {
    Slides.style("height", cssSlideHeight() || null, true);
  }
  function cssPadding(right) {
    const { padding } = options;
    const prop = resolve(right ? "right" : "left");
    return padding && unit(padding[prop] || (isObject(padding) ? 0 : padding)) || "0px";
  }
  function cssTrackHeight() {
    let height = "";
    if (vertical) {
      height = cssHeight();
      assert(height, "height or heightRatio is missing.");
      height = `calc(${height} - ${cssPadding(false)} - ${cssPadding(true)})`;
    }
    return height;
  }
  function cssHeight() {
    return unit(options.height || rect(list).width * options.heightRatio);
  }
  function cssSlideWidth() {
    return options.autoWidth ? "" : unit(options.fixedWidth) || (vertical ? "" : cssSlideSize());
  }
  function cssSlideHeight() {
    return unit(options.fixedHeight) || (vertical ? options.autoHeight ? "" : cssSlideSize() : cssHeight());
  }
  function cssSlideSize() {
    const gap = unit(options.gap);
    return `calc((100%${gap && ` + ${gap}`})/${options.perPage || 1}${gap && ` - ${gap}`})`;
  }
  function listSize() {
    return rect(list)[resolve("width")];
  }
  function slideSize(index, withoutGap) {
    const Slide = getAt(index || 0);
    return Slide ? rect(Slide.slide)[resolve("width")] + (withoutGap ? 0 : getGap()) : 0;
  }
  function totalSize(index, withoutGap) {
    const Slide = getAt(index);
    if (Slide) {
      const right = rect(Slide.slide)[resolve("right")];
      const left = rect(list)[resolve("left")];
      return abs(right - left) + (withoutGap ? 0 : getGap());
    }
    return 0;
  }
  function sliderSize() {
    return totalSize(Splide2.length - 1, true) - totalSize(-1, true);
  }
  function getGap() {
    const Slide = getAt(0);
    return Slide && parseFloat(style(Slide.slide, resolve("marginRight"))) || 0;
  }
  function getPadding(right) {
    return parseFloat(style(track, resolve(`padding${right ? "Right" : "Left"}`))) || 0;
  }
  return {
    mount,
    listSize,
    slideSize,
    sliderSize,
    totalSize,
    getPadding
  };
}

function Clones(Splide2, Components2, options) {
  const { on, emit } = EventInterface(Splide2);
  const { Elements, Slides } = Components2;
  const { resolve } = Components2.Direction;
  const clones = [];
  let cloneCount;
  function mount() {
    init();
    on(EVENT_REFRESH, destroy);
    on(EVENT_REFRESH, init);
    on([EVENT_UPDATED, EVENT_RESIZE], observe);
  }
  function init() {
    if (cloneCount = computeCloneCount()) {
      generate(cloneCount);
      emit(EVENT_RESIZE);
    }
  }
  function destroy() {
    remove(clones);
    empty(clones);
  }
  function observe() {
    if (cloneCount < computeCloneCount()) {
      emit(EVENT_REFRESH);
    }
  }
  function generate(count) {
    const slides = Slides.get().slice();
    const { length } = slides;
    if (length) {
      while (slides.length < count) {
        push(slides, slides);
      }
      push(slides.slice(-count), slides.slice(0, count)).forEach((Slide, index) => {
        const isHead = index < count;
        const clone = cloneDeep(Slide.slide, index);
        isHead ? before(clone, slides[0].slide) : append(Elements.list, clone);
        push(clones, clone);
        Slides.register(clone, index - count + (isHead ? 0 : length), Slide.index);
      });
    }
  }
  function cloneDeep(elm, index) {
    const clone = elm.cloneNode(true);
    addClass(clone, options.classes.clone);
    clone.id = `${Splide2.root.id}-clone${pad(index + 1)}`;
    return clone;
  }
  function computeCloneCount() {
    let { clones: clones2 } = options;
    if (!Splide2.is(LOOP)) {
      clones2 = 0;
    } else if (!clones2) {
      const fixedSize = measure(Elements.list, options[resolve("fixedWidth")]);
      const fixedCount = fixedSize && ceil(rect(Elements.track)[resolve("width")] / fixedSize);
      const baseCount = fixedCount || options[resolve("autoWidth")] && Splide2.length || options.perPage;
      clones2 = baseCount * (options.drag ? (options.flickMaxPages || 1) + 1 : 2);
    }
    return clones2;
  }
  return {
    mount,
    destroy
  };
}

function Move(Splide2, Components2, options) {
  const { on, emit } = EventInterface(Splide2);
  const { slideSize, getPadding, totalSize, listSize, sliderSize } = Components2.Layout;
  const { resolve, orient } = Components2.Direction;
  const { list, track } = Components2.Elements;
  let Transition;
  function mount() {
    Transition = Components2.Transition;
    on([EVENT_MOUNTED, EVENT_RESIZED, EVENT_UPDATED, EVENT_REFRESH], reposition);
  }
  function destroy() {
    removeAttribute(list, "style");
  }
  function reposition() {
    if (!isBusy()) {
      Components2.Scroll.cancel();
      jump(Splide2.index);
      emit(EVENT_REPOSITIONED);
    }
  }
  function move(dest, index, prev, callback) {
    if (!isBusy()) {
      const { set } = Splide2.state;
      const position = getPosition();
      if (dest !== index) {
        Transition.cancel();
        translate(shift(position, dest > index), true);
      }
      set(MOVING);
      emit(EVENT_MOVE, index, prev, dest);
      Transition.start(index, () => {
        set(IDLE);
        emit(EVENT_MOVED, index, prev, dest);
        if (options.trimSpace === "move" && dest !== prev && position === getPosition()) {
          Components2.Controller.go(dest > prev ? ">" : "<", false, callback);
        } else {
          callback && callback();
        }
      });
    }
  }
  function jump(index) {
    translate(toPosition(index, true));
  }
  function translate(position, preventLoop) {
    if (!Splide2.is(FADE)) {
      const destination = preventLoop ? position : loop(position);
      list.style.transform = `translate${resolve("X")}(${destination}px)`;
      position !== destination && emit(EVENT_SHIFTED);
    }
  }
  function loop(position) {
    if (Splide2.is(LOOP)) {
      const diff = orient(position - getPosition());
      const exceededMin = exceededLimit(false, position) && diff < 0;
      const exceededMax = exceededLimit(true, position) && diff > 0;
      if (exceededMin || exceededMax) {
        position = shift(position, exceededMax);
      }
    }
    return position;
  }
  function shift(position, backwards) {
    const excess = position - getLimit(backwards);
    const size = sliderSize();
    position -= orient(size * (ceil(abs(excess) / size) || 1)) * (backwards ? 1 : -1);
    return position;
  }
  function cancel() {
    translate(getPosition());
    Transition.cancel();
  }
  function toIndex(position) {
    const Slides = Components2.Slides.get();
    let index = 0;
    let minDistance = Infinity;
    for (let i = 0; i < Slides.length; i++) {
      const slideIndex = Slides[i].index;
      const distance = abs(toPosition(slideIndex, true) - position);
      if (distance <= minDistance) {
        minDistance = distance;
        index = slideIndex;
      } else {
        break;
      }
    }
    return index;
  }
  function toPosition(index, trimming) {
    const position = orient(totalSize(index - 1) - offset(index));
    return trimming ? trim(position) : position;
  }
  function getPosition() {
    const left = resolve("left");
    return rect(list)[left] - rect(track)[left] + orient(getPadding(false));
  }
  function trim(position) {
    if (options.trimSpace && Splide2.is(SLIDE)) {
      position = clamp(position, 0, orient(sliderSize() - listSize()));
    }
    return position;
  }
  function offset(index) {
    const { focus } = options;
    return focus === "center" ? (listSize() - slideSize(index, true)) / 2 : +focus * slideSize(index) || 0;
  }
  function getLimit(max) {
    return toPosition(max ? Components2.Controller.getEnd() : 0, !!options.trimSpace);
  }
  function isBusy() {
    return Splide2.state.is(MOVING) && options.waitForTransition;
  }
  function exceededLimit(max, position) {
    position = isUndefined(position) ? getPosition() : position;
    const exceededMin = max !== true && orient(position) < orient(getLimit(false));
    const exceededMax = max !== false && orient(position) > orient(getLimit(true));
    return exceededMin || exceededMax;
  }
  return {
    mount,
    destroy,
    move,
    jump,
    translate,
    shift,
    cancel,
    toIndex,
    toPosition,
    getPosition,
    getLimit,
    isBusy,
    exceededLimit
  };
}

function Controller(Splide2, Components2, options) {
  const { on } = EventInterface(Splide2);
  const { Move } = Components2;
  const { getPosition, getLimit } = Move;
  const { isEnough, getLength } = Components2.Slides;
  const isLoop = Splide2.is(LOOP);
  const isSlide = Splide2.is(SLIDE);
  let currIndex = options.start || 0;
  let prevIndex = currIndex;
  let slideCount;
  let perMove;
  let perPage;
  function mount() {
    init();
    on([EVENT_UPDATED, EVENT_REFRESH], init, DEFAULT_EVENT_PRIORITY - 1);
  }
  function init() {
    slideCount = getLength(true);
    perMove = options.perMove;
    perPage = options.perPage;
    currIndex = clamp(currIndex, 0, slideCount - 1);
  }
  function go(control, allowSameIndex, callback) {
    const dest = parse(control);
    if (options.useScroll) {
      scroll(dest, true, true, options.speed, callback);
    } else {
      const index = loop(dest);
      if (index > -1 && !Move.isBusy() && (allowSameIndex || index !== currIndex)) {
        setIndex(index);
        Move.move(dest, index, prevIndex, callback);
      }
    }
  }
  function scroll(destination, useIndex, snap, duration, callback) {
    const dest = useIndex ? destination : toDest(destination);
    Components2.Scroll.scroll(useIndex || snap ? Move.toPosition(dest, true) : destination, duration, () => {
      setIndex(Move.toIndex(Move.getPosition()));
      callback && callback();
    });
  }
  function parse(control) {
    let index = currIndex;
    if (isString(control)) {
      const [, indicator, number] = control.match(/([+\-<>])(\d+)?/) || [];
      if (indicator === "+" || indicator === "-") {
        index = computeDestIndex(currIndex + +`${indicator}${+number || 1}`, currIndex, true);
      } else if (indicator === ">") {
        index = number ? toIndex(+number) : getNext(true);
      } else if (indicator === "<") {
        index = getPrev(true);
      }
    } else {
      index = isLoop ? control : clamp(control, 0, getEnd());
    }
    return index;
  }
  function getNext(destination) {
    return getAdjacent(false, destination);
  }
  function getPrev(destination) {
    return getAdjacent(true, destination);
  }
  function getAdjacent(prev, destination) {
    const number = perMove || (hasFocus() ? 1 : perPage);
    const dest = computeDestIndex(currIndex + number * (prev ? -1 : 1), currIndex);
    if (dest === -1 && isSlide) {
      if (!approximatelyEqual(getPosition(), getLimit(!prev), 1)) {
        return prev ? 0 : getEnd();
      }
    }
    return destination ? dest : loop(dest);
  }
  function computeDestIndex(dest, from, incremental) {
    if (isEnough()) {
      const end = getEnd();
      if (dest < 0 || dest > end) {
        if (between(0, dest, from, true) || between(end, from, dest, true)) {
          dest = toIndex(toPage(dest));
        } else {
          if (isLoop) {
            dest = perMove || hasFocus() ? dest : dest < 0 ? -(slideCount % perPage || perPage) : slideCount;
          } else if (options.rewind) {
            dest = dest < 0 ? end : 0;
          } else {
            dest = -1;
          }
        }
      } else {
        if (!incremental && dest !== from) {
          dest = perMove ? dest : toIndex(toPage(from) + (dest < from ? -1 : 1));
        }
      }
    } else {
      dest = -1;
    }
    return dest;
  }
  function getEnd() {
    let end = slideCount - perPage;
    if (hasFocus() || isLoop && perMove) {
      end = slideCount - 1;
    }
    return max(end, 0);
  }
  function loop(index) {
    if (isLoop) {
      return isEnough() ? index % slideCount + (index < 0 ? slideCount : 0) : -1;
    }
    return index;
  }
  function toIndex(page) {
    return clamp(hasFocus() ? page : perPage * page, 0, getEnd());
  }
  function toPage(index) {
    if (!hasFocus()) {
      index = between(index, slideCount - perPage, slideCount - 1) ? slideCount - 1 : index;
      index = floor(index / perPage);
    }
    return index;
  }
  function toDest(destination) {
    const closest = Move.toIndex(destination);
    return isSlide ? clamp(closest, 0, getEnd()) : closest;
  }
  function setIndex(index) {
    if (index !== currIndex) {
      prevIndex = currIndex;
      currIndex = index;
    }
  }
  function getIndex(prev) {
    return prev ? prevIndex : currIndex;
  }
  function hasFocus() {
    return !isUndefined(options.focus) || options.isNavigation;
  }
  return {
    mount,
    go,
    scroll,
    getNext,
    getPrev,
    getAdjacent,
    getEnd,
    setIndex,
    getIndex,
    toIndex,
    toPage,
    toDest,
    hasFocus
  };
}

const XML_NAME_SPACE = "http://www.w3.org/2000/svg";
const PATH = "m15.5 0.932-4.3 4.38 14.5 14.6-14.5 14.5 4.3 4.4 14.6-14.6 4.4-4.3-4.4-4.4-14.6-14.6z";
const SIZE = 40;

function Arrows(Splide2, Components2, options) {
  const { on, bind, emit } = EventInterface(Splide2);
  const { classes, i18n } = options;
  const { Elements, Controller } = Components2;
  let wrapper = Elements.arrows;
  let prev = Elements.prev;
  let next = Elements.next;
  let created;
  const arrows = {};
  function mount() {
    init();
    on(EVENT_UPDATED, init);
  }
  function init() {
    if (options.arrows) {
      if (!prev || !next) {
        createArrows();
      }
    }
    if (prev && next) {
      if (!arrows.prev) {
        setAttribute([prev, next], ARIA_CONTROLS, Elements.list.id);
        arrows.prev = prev;
        arrows.next = next;
        listen();
        emit(EVENT_ARROWS_MOUNTED, prev, next);
      }
      display(wrapper, options.arrows === false ? "none" : "");
    }
  }
  function destroy() {
    if (created) {
      remove(wrapper);
    } else {
      removeAttribute([prev, next], ALL_ATTRIBUTES);
    }
  }
  function listen() {
    const { go } = Controller;
    on([EVENT_MOUNTED, EVENT_MOVED, EVENT_UPDATED, EVENT_REFRESH, EVENT_SCROLLED], update);
    bind(next, "click", apply(go, ">", true, void 0));
    bind(prev, "click", apply(go, "<", true, void 0));
  }
  function createArrows() {
    wrapper = create("div", classes.arrows);
    prev = createArrow(true);
    next = createArrow(false);
    created = true;
    append(wrapper, [prev, next]);
    before(wrapper, child(options.arrows === "slider" && Elements.slider || Splide2.root));
  }
  function createArrow(prev2) {
    const arrow = `<button class="${classes.arrow} ${prev2 ? classes.prev : classes.next}" type="button"><svg xmlns="${XML_NAME_SPACE}" viewBox="0 0 ${SIZE} ${SIZE}" width="${SIZE}" height="${SIZE}"><path d="${options.arrowPath || PATH}" />`;
    return parseHtml(arrow);
  }
  function update() {
    const index = Splide2.index;
    const prevIndex = Controller.getPrev();
    const nextIndex = Controller.getNext();
    const prevLabel = prevIndex > -1 && index < prevIndex ? i18n.last : i18n.prev;
    const nextLabel = nextIndex > -1 && index > nextIndex ? i18n.first : i18n.next;
    prev.disabled = prevIndex < 0;
    next.disabled = nextIndex < 0;
    setAttribute(prev, ARIA_LABEL, prevLabel);
    setAttribute(next, ARIA_LABEL, nextLabel);
    emit(EVENT_ARROWS_UPDATED, prev, next, prevIndex, nextIndex);
  }
  return {
    arrows,
    mount,
    destroy
  };
}

const INTERVAL_DATA_ATTRIBUTE = `${DATA_ATTRIBUTE}-interval`;

function Autoplay(Splide2, Components2, options) {
  const { on, bind, emit } = EventInterface(Splide2);
  const interval = RequestInterval(options.interval, Splide2.go.bind(Splide2, ">"), update);
  const { isPaused } = interval;
  const { Elements } = Components2;
  let hovered;
  let focused;
  let paused;
  function mount() {
    const { autoplay } = options;
    if (autoplay) {
      initButton(true);
      initButton(false);
      listen();
      if (autoplay !== "pause") {
        play();
      }
    }
  }
  function initButton(forPause) {
    const prop = forPause ? "pause" : "play";
    const button = Elements[prop];
    if (button) {
      setAttribute(button, ARIA_CONTROLS, Elements.track.id);
      setAttribute(button, ARIA_LABEL, options.i18n[prop]);
      bind(button, "click", forPause ? pause : play);
    }
  }
  function listen() {
    const { root } = Elements;
    if (options.pauseOnHover) {
      bind(root, "mouseenter mouseleave", (e) => {
        hovered = e.type === "mouseenter";
        autoToggle();
      });
    }
    if (options.pauseOnFocus) {
      bind(root, "focusin focusout", (e) => {
        focused = e.type === "focusin";
        autoToggle();
      });
    }
    on([EVENT_MOVE, EVENT_SCROLL, EVENT_REFRESH], interval.rewind);
    on(EVENT_MOVE, updateInterval);
  }
  function play() {
    if (isPaused() && Components2.Slides.isEnough()) {
      interval.start(!options.resetProgress);
      focused = hovered = paused = false;
      emit(EVENT_AUTOPLAY_PLAY);
    }
  }
  function pause(manual = true) {
    if (!isPaused()) {
      interval.pause();
      emit(EVENT_AUTOPLAY_PAUSE);
    }
    paused = manual;
  }
  function autoToggle() {
    if (!paused) {
      if (!hovered && !focused) {
        play();
      } else {
        pause(false);
      }
    }
  }
  function update(rate) {
    const { bar } = Elements;
    bar && style(bar, "width", `${rate * 100}%`);
    emit(EVENT_AUTOPLAY_PLAYING, rate);
  }
  function updateInterval() {
    const Slide = Components2.Slides.getAt(Splide2.index);
    interval.set(Slide && +getAttribute(Slide.slide, INTERVAL_DATA_ATTRIBUTE) || options.interval);
  }
  return {
    mount,
    destroy: interval.cancel,
    play,
    pause,
    isPaused
  };
}

function Cover(Splide2, Components2, options) {
  const { on } = EventInterface(Splide2);
  function mount() {
    if (options.cover) {
      on(EVENT_LAZYLOAD_LOADED, apply(toggle, true));
      on([EVENT_MOUNTED, EVENT_UPDATED, EVENT_REFRESH], apply(cover, true));
    }
  }
  function cover(cover2) {
    Components2.Slides.forEach((Slide) => {
      const img = child(Slide.container || Slide.slide, "img");
      if (img && img.src) {
        toggle(cover2, img, Slide);
      }
    });
  }
  function toggle(cover2, img, Slide) {
    Slide.style("background", cover2 ? `center/cover no-repeat url("${img.src}")` : "", true);
    display(img, cover2 ? "none" : "");
  }
  return {
    mount,
    destroy: apply(cover, false)
  };
}

const BOUNCE_DIFF_THRESHOLD = 10;
const BOUNCE_DURATION = 600;
const FRICTION_FACTOR = 0.6;
const BASE_VELOCITY = 1.5;
const MIN_DURATION = 800;

function Scroll(Splide2, Components2, options) {
  const { on, emit } = EventInterface(Splide2);
  const { Move } = Components2;
  const { getPosition, getLimit, exceededLimit } = Move;
  let interval;
  let scrollCallback;
  function mount() {
    on(EVENT_MOVE, clear);
    on([EVENT_UPDATED, EVENT_REFRESH], cancel);
  }
  function scroll(destination, duration, callback, suppressConstraint) {
    const start = getPosition();
    let friction = 1;
    duration = duration || computeDuration(abs(destination - start));
    scrollCallback = callback;
    clear();
    interval = RequestInterval(duration, onScrolled, (rate) => {
      const position = getPosition();
      const target = start + (destination - start) * easing(rate);
      const diff = (target - getPosition()) * friction;
      Move.translate(position + diff);
      if (Splide2.is(SLIDE) && !suppressConstraint && exceededLimit()) {
        friction *= FRICTION_FACTOR;
        if (abs(diff) < BOUNCE_DIFF_THRESHOLD) {
          bounce(exceededLimit(false));
        }
      }
    }, 1);
    emit(EVENT_SCROLL);
    interval.start();
  }
  function bounce(backwards) {
    scroll(getLimit(!backwards), BOUNCE_DURATION, null, true);
  }
  function onScrolled() {
    const position = getPosition();
    const index = Move.toIndex(position);
    if (!between(index, 0, Splide2.length - 1)) {
      Move.translate(Move.shift(position, index > 0), true);
    }
    scrollCallback && scrollCallback();
    emit(EVENT_SCROLLED);
  }
  function computeDuration(distance) {
    return max(distance / BASE_VELOCITY, MIN_DURATION);
  }
  function clear() {
    if (interval) {
      interval.cancel();
    }
  }
  function cancel() {
    if (interval && !interval.isPaused()) {
      clear();
      onScrolled();
    }
  }
  function easing(t) {
    const { easingFunc } = options;
    return easingFunc ? easingFunc(t) : 1 - Math.pow(1 - t, 4);
  }
  return {
    mount,
    destroy: clear,
    scroll,
    cancel
  };
}

const SCROLL_LISTENER_OPTIONS = { passive: false, capture: true };

const FRICTION = 5;
const LOG_INTERVAL = 200;
const POINTER_DOWN_EVENTS = "touchstart mousedown";
const POINTER_MOVE_EVENTS = "touchmove mousemove";
const POINTER_UP_EVENTS = "touchend touchcancel mouseup";

function Drag(Splide2, Components2, options) {
  const { on, emit, bind, unbind } = EventInterface(Splide2);
  const { state } = Splide2;
  const { Move, Scroll, Controller } = Components2;
  const { track } = Components2.Elements;
  const { resolve, orient } = Components2.Direction;
  const { getPosition, exceededLimit } = Move;
  let basePosition;
  let baseEvent;
  let prevBaseEvent;
  let isFree;
  let dragging;
  let exceeded = false;
  let clickPrevented;
  let disabled;
  let target;
  function mount() {
    bind(track, POINTER_MOVE_EVENTS, noop, SCROLL_LISTENER_OPTIONS);
    bind(track, POINTER_UP_EVENTS, noop, SCROLL_LISTENER_OPTIONS);
    bind(track, POINTER_DOWN_EVENTS, onPointerDown, SCROLL_LISTENER_OPTIONS);
    bind(track, "click", onClick, { capture: true });
    bind(track, "dragstart", prevent);
    on([EVENT_MOUNTED, EVENT_UPDATED], init);
  }
  function init() {
    const { drag } = options;
    disable(!drag);
    isFree = drag === "free";
  }
  function onPointerDown(e) {
    clickPrevented = false;
    if (!disabled) {
      const { noDrag } = options;
      const isTouch = isTouchEvent(e);
      const isDraggable = !noDrag || !matches(e.target, noDrag);
      if (isDraggable && (isTouch || !e.button)) {
        if (!Move.isBusy()) {
          target = isTouch ? track : window;
          dragging = state.is(MOVING);
          prevBaseEvent = null;
          bind(target, POINTER_MOVE_EVENTS, onPointerMove, SCROLL_LISTENER_OPTIONS);
          bind(target, POINTER_UP_EVENTS, onPointerUp, SCROLL_LISTENER_OPTIONS);
          Move.cancel();
          Scroll.cancel();
          save(e);
        } else {
          prevent(e, true);
        }
      }
    }
  }
  function onPointerMove(e) {
    if (!state.is(DRAGGING)) {
      state.set(DRAGGING);
      emit(EVENT_DRAG);
    }
    if (e.cancelable) {
      if (dragging) {
        Move.translate(basePosition + constrain(diffCoord(e)));
        const expired = diffTime(e) > LOG_INTERVAL;
        const hasExceeded = exceeded !== (exceeded = exceededLimit());
        if (expired || hasExceeded) {
          save(e);
        }
        clickPrevented = true;
        emit(EVENT_DRAGGING);
        prevent(e);
      } else if (isSliderDirection(e)) {
        dragging = shouldStart(e);
        prevent(e);
      }
    }
  }
  function onPointerUp(e) {
    if (state.is(DRAGGING)) {
      state.set(IDLE);
      emit(EVENT_DRAGGED);
    }
    if (dragging) {
      move(e);
      prevent(e);
    }
    unbind(target, POINTER_MOVE_EVENTS, onPointerMove);
    unbind(target, POINTER_UP_EVENTS, onPointerUp);
    dragging = false;
  }
  function onClick(e) {
    if (!disabled && clickPrevented) {
      prevent(e, true);
    }
  }
  function save(e) {
    prevBaseEvent = baseEvent;
    baseEvent = e;
    basePosition = getPosition();
  }
  function move(e) {
    const velocity = computeVelocity(e);
    const destination = computeDestination(velocity);
    const rewind = options.rewind && options.rewindByDrag;
    if (isFree) {
      Controller.scroll(destination);
    } else if (Splide2.is(FADE)) {
      Controller.go(orient(sign(velocity)) < 0 ? rewind ? "<" : "-" : rewind ? ">" : "+");
    } else if (Splide2.is(SLIDE) && exceeded && rewind) {
      Controller.go(exceededLimit(true) ? ">" : "<");
    } else {
      Controller.go(Controller.toDest(destination), true);
    }
  }
  function shouldStart(e) {
    const { dragMinThreshold: thresholds } = options;
    const isObj = isObject(thresholds);
    const mouse = isObj && thresholds.mouse || 0;
    const touch = (isObj ? thresholds.touch : +thresholds) || 10;
    return abs(diffCoord(e)) > (isTouchEvent(e) ? touch : mouse);
  }
  function isSliderDirection(e) {
    return abs(diffCoord(e)) > abs(diffCoord(e, true));
  }
  function computeVelocity(e) {
    if (Splide2.is(LOOP) || !exceeded) {
      const time = diffTime(e);
      if (time && time < LOG_INTERVAL) {
        return diffCoord(e) / time;
      }
    }
    return 0;
  }
  function computeDestination(velocity) {
    return getPosition() + sign(velocity) * min(abs(velocity) * (options.flickPower || 600), isFree ? Infinity : Components2.Layout.listSize() * (options.flickMaxPages || 1));
  }
  function diffCoord(e, orthogonal) {
    return coordOf(e, orthogonal) - coordOf(getBaseEvent(e), orthogonal);
  }
  function diffTime(e) {
    return e.timeStamp - getBaseEvent(e).timeStamp;
  }
  function getBaseEvent(e) {
    return baseEvent === e && prevBaseEvent || baseEvent;
  }
  function coordOf(e, orthogonal) {
    return (isTouchEvent(e) ? e.changedTouches[0] : e)[`page${resolve(orthogonal ? "Y" : "X")}`];
  }
  function constrain(diff) {
    return diff / (exceeded && Splide2.is(SLIDE) ? FRICTION : 1);
  }
  function isTouchEvent(e) {
    return typeof TouchEvent !== "undefined" && e instanceof TouchEvent;
  }
  function isDragging() {
    return dragging;
  }
  function disable(value) {
    disabled = value;
  }
  return {
    mount,
    disable,
    isDragging
  };
}

const IE_ARROW_KEYS = ["Left", "Right", "Up", "Down"];
const KEYBOARD_EVENT = "keydown";
function Keyboard(Splide2, Components2, options) {
  const { on, bind, unbind } = EventInterface(Splide2);
  const { root } = Splide2;
  const { resolve } = Components2.Direction;
  let target;
  let disabled;
  function mount() {
    init();
    on(EVENT_UPDATED, onUpdated);
    on(EVENT_MOVE, onMove);
  }
  function init() {
    const { keyboard } = options;
    if (keyboard) {
      if (keyboard === "focused") {
        target = root;
        setAttribute(root, TAB_INDEX, 0);
      } else {
        target = window;
      }
      bind(target, KEYBOARD_EVENT, onKeydown);
    }
  }
  function destroy() {
    unbind(target, KEYBOARD_EVENT);
  }
  function disable(value) {
    disabled = value;
  }
  function onMove() {
    const _disabled = disabled;
    disabled = true;
    nextTick(() => {
      disabled = _disabled;
    });
  }
  function onUpdated() {
    destroy();
    init();
  }
  function onKeydown(e) {
    if (!disabled) {
      const { key } = e;
      const normalizedKey = includes(IE_ARROW_KEYS, key) ? `Arrow${key}` : key;
      if (normalizedKey === resolve("ArrowLeft")) {
        Splide2.go("<");
      } else if (normalizedKey === resolve("ArrowRight")) {
        Splide2.go(">");
      }
    }
  }
  return {
    mount,
    destroy,
    disable
  };
}

const SRC_DATA_ATTRIBUTE = `${DATA_ATTRIBUTE}-lazy`;
const SRCSET_DATA_ATTRIBUTE = `${SRC_DATA_ATTRIBUTE}-srcset`;
const IMAGE_SELECTOR = `[${SRC_DATA_ATTRIBUTE}], [${SRCSET_DATA_ATTRIBUTE}]`;

function LazyLoad(Splide2, Components2, options) {
  const { on, off, bind, emit } = EventInterface(Splide2);
  const isSequential = options.lazyLoad === "sequential";
  let images = [];
  let index = 0;
  function mount() {
    if (options.lazyLoad) {
      init();
      on(EVENT_REFRESH, destroy);
      on(EVENT_REFRESH, init);
      if (!isSequential) {
        on([EVENT_MOUNTED, EVENT_REFRESH, EVENT_MOVED, EVENT_SCROLLED], observe);
      }
    }
  }
  function init() {
    Components2.Slides.forEach((_Slide) => {
      queryAll(_Slide.slide, IMAGE_SELECTOR).forEach((_img) => {
        const src = getAttribute(_img, SRC_DATA_ATTRIBUTE);
        const srcset = getAttribute(_img, SRCSET_DATA_ATTRIBUTE);
        if (src !== _img.src || srcset !== _img.srcset) {
          const className = options.classes.spinner;
          const parent = _img.parentElement;
          const _spinner = child(parent, `.${className}`) || create("span", className, parent);
          setAttribute(_spinner, ROLE, "presentation");
          images.push({ _img, _Slide, src, srcset, _spinner });
          !_img.src && display(_img, "none");
        }
      });
    });
    if (isSequential) {
      loadNext();
    }
  }
  function destroy() {
    index = 0;
    images = [];
  }
  function observe() {
    images = images.filter((data) => {
      const distance = options.perPage * ((options.preloadPages || 1) + 1) - 1;
      if (data._Slide.isWithin(Splide2.index, distance)) {
        return load(data);
      }
      return true;
    });
    if (!images.length) {
      off(EVENT_MOVED);
    }
  }
  function load(data) {
    const { _img } = data;
    addClass(data._Slide.slide, CLASS_LOADING);
    bind(_img, "load error", (e) => {
      onLoad(data, e.type === "error");
    });
    ["srcset", "src"].forEach((name) => {
      if (data[name]) {
        setAttribute(_img, name, data[name]);
        removeAttribute(_img, name === "src" ? SRC_DATA_ATTRIBUTE : SRCSET_DATA_ATTRIBUTE);
      }
    });
  }
  function onLoad(data, error) {
    const { _Slide } = data;
    removeClass(_Slide.slide, CLASS_LOADING);
    if (!error) {
      remove(data._spinner);
      display(data._img, "");
      emit(EVENT_LAZYLOAD_LOADED, data._img, _Slide);
      emit(EVENT_RESIZE);
    }
    if (isSequential) {
      loadNext();
    }
  }
  function loadNext() {
    if (index < images.length) {
      load(images[index++]);
    }
  }
  return {
    mount,
    destroy
  };
}

function Pagination(Splide2, Components2, options) {
  const { on, emit, bind, unbind } = EventInterface(Splide2);
  const { Slides, Elements, Controller } = Components2;
  const { hasFocus, getIndex } = Controller;
  const items = [];
  let list;
  function mount() {
    init();
    on([EVENT_UPDATED, EVENT_REFRESH], init);
    on([EVENT_MOVE, EVENT_SCROLLED], update);
  }
  function init() {
    destroy();
    if (options.pagination && Slides.isEnough()) {
      createPagination();
      emit(EVENT_PAGINATION_MOUNTED, { list, items }, getAt(Splide2.index));
      update();
    }
  }
  function destroy() {
    if (list) {
      remove(list);
      items.forEach((item) => {
        unbind(item.button, "click");
      });
      empty(items);
      list = null;
    }
  }
  function createPagination() {
    const { length } = Splide2;
    const { classes, i18n, perPage } = options;
    const parent = options.pagination === "slider" && Elements.slider || Elements.root;
    const max = hasFocus() ? length : ceil(length / perPage);
    list = create("ul", classes.pagination, parent);
    for (let i = 0; i < max; i++) {
      const li = create("li", null, list);
      const button = create("button", { class: classes.page, type: "button" }, li);
      const text = !hasFocus() && perPage > 1 ? i18n.pageX : i18n.slideX;
      bind(button, "click", apply(onClick, i));
      setAttribute(button, ARIA_CONTROLS, Components2.Elements.list.id);
      setAttribute(button, ARIA_LABEL, format(text, i + 1));
      items.push({ li, button, page: i });
    }
  }
  function onClick(page) {
    Controller.go(`>${page}`, true, () => {
      const Slide = Slides.getAt(Controller.toIndex(page));
      Slide && focus(Slide.slide);
    });
  }
  function getAt(index) {
    return items[Controller.toPage(index)];
  }
  function update() {
    const prev = getAt(getIndex(true));
    const curr = getAt(getIndex());
    if (prev) {
      removeClass(prev.button, CLASS_ACTIVE);
      removeAttribute(prev.button, ARIA_CURRENT);
    }
    if (curr) {
      addClass(curr.button, CLASS_ACTIVE);
      setAttribute(curr.button, ARIA_CURRENT, true);
    }
    emit(EVENT_PAGINATION_UPDATED, { list, items }, prev, curr);
  }
  return {
    items,
    mount,
    destroy,
    getAt,
    update
  };
}

const TRIGGER_KEYS = [" ", "Enter", "Spacebar"];
function Sync(Splide2, Components2, options) {
  const { list } = Components2.Elements;
  const events = [];
  function mount() {
    Splide2.splides.forEach((target) => {
      !target.isParent && sync(target.splide);
    });
    if (options.isNavigation) {
      navigate();
    }
  }
  function destroy() {
    removeAttribute(list, ALL_ATTRIBUTES);
    events.forEach((event) => {
      event.destroy();
    });
    empty(events);
  }
  function remount() {
    destroy();
    mount();
  }
  function sync(splide) {
    [Splide2, splide].forEach((instance) => {
      const event = EventInterface(instance);
      const target = instance === Splide2 ? splide : Splide2;
      event.on(EVENT_MOVE, (index, prev, dest) => {
        target.go(target.is(LOOP) ? dest : index);
      });
      events.push(event);
    });
  }
  function navigate() {
    const event = EventInterface(Splide2);
    const { on } = event;
    on(EVENT_CLICK, onClick);
    on(EVENT_SLIDE_KEYDOWN, onKeydown);
    on([EVENT_MOUNTED, EVENT_UPDATED], update);
    setAttribute(list, ROLE, "menu");
    events.push(event);
    event.emit(EVENT_NAVIGATION_MOUNTED, Splide2.splides);
  }
  function update() {
    setAttribute(list, ARIA_ORIENTATION, options.direction !== TTB ? "horizontal" : null);
  }
  function onClick(Slide) {
    Splide2.go(Slide.index);
  }
  function onKeydown(Slide, e) {
    if (includes(TRIGGER_KEYS, e.key)) {
      onClick(Slide);
      prevent(e);
    }
  }
  return {
    mount,
    destroy,
    remount
  };
}

function Live(Splide2, Components2, options) {
  const { on } = EventInterface(Splide2);
  const { list } = Components2.Elements;
  const { live } = options;
  function mount() {
    if (live) {
      setAttribute(list, ARIA_ATOMIC, false);
      disable(!Components2.Autoplay.isPaused());
      on(EVENT_AUTOPLAY_PLAY, apply(disable, true));
      on(EVENT_AUTOPLAY_PAUSE, apply(disable, false));
    }
  }
  function disable(disabled) {
    if (live) {
      setAttribute(list, ARIA_LIVE, disabled ? "off" : "polite");
    }
  }
  return {
    mount,
    disable
  };
}

function Wheel(Splide2, Components2, options) {
  const { bind } = EventInterface(Splide2);
  function mount() {
    if (options.wheel) {
      bind(Components2.Elements.track, "wheel", onWheel, SCROLL_LISTENER_OPTIONS);
    }
  }
  function onWheel(e) {
    if (e.cancelable) {
      const { deltaY } = e;
      if (deltaY) {
        const backwards = deltaY < 0;
        Splide2.go(backwards ? "<" : ">");
        shouldPrevent(backwards) && prevent(e);
      }
    }
  }
  function shouldPrevent(backwards) {
    return !options.releaseWheel || Splide2.state.is(MOVING) || Components2.Controller.getAdjacent(backwards) !== -1;
  }
  return {
    mount
  };
}

var ComponentConstructors = /*#__PURE__*/Object.freeze({
  __proto__: null,
  Options: Options,
  Direction: Direction,
  Elements: Elements,
  Slides: Slides,
  Layout: Layout,
  Clones: Clones,
  Move: Move,
  Controller: Controller,
  Arrows: Arrows,
  Autoplay: Autoplay,
  Cover: Cover,
  Scroll: Scroll,
  Drag: Drag,
  Keyboard: Keyboard,
  LazyLoad: LazyLoad,
  Pagination: Pagination,
  Sync: Sync,
  Live: Live,
  Wheel: Wheel
});

const I18N = {
  prev: "Previous slide",
  next: "Next slide",
  first: "Go to first slide",
  last: "Go to last slide",
  slideX: "Go to slide %s",
  pageX: "Go to page %s",
  play: "Start autoplay",
  pause: "Pause autoplay",
  carousel: "carousel",
  slide: "slide",
  slideLabel: "%s of %s"
};

const DEFAULTS = {
  type: "slide",
  role: "region",
  speed: 400,
  waitForTransition: true,
  perPage: 1,
  cloneStatus: true,
  arrows: true,
  pagination: true,
  interval: 5e3,
  pauseOnHover: true,
  pauseOnFocus: true,
  resetProgress: true,
  keyboard: true,
  easing: "cubic-bezier(0.25, 1, 0.5, 1)",
  drag: true,
  direction: "ltr",
  slideFocus: true,
  trimSpace: true,
  focusableNodes: "a, button, textarea, input, select, iframe",
  classes: CLASSES,
  i18n: I18N
};

function Fade(Splide2, Components2, options) {
  const { on } = EventInterface(Splide2);
  function mount() {
    on([EVENT_MOUNTED, EVENT_REFRESH], () => {
      nextTick(() => {
        Components2.Slides.style("transition", `opacity ${options.speed}ms ${options.easing}`);
      });
    });
  }
  function start(index, done) {
    const { track } = Components2.Elements;
    style(track, "height", unit(rect(track).height));
    nextTick(() => {
      done();
      style(track, "height", "");
    });
  }
  return {
    mount,
    start,
    cancel: noop
  };
}

function Slide(Splide2, Components2, options) {
  const { bind } = EventInterface(Splide2);
  const { Move, Controller } = Components2;
  const { list } = Components2.Elements;
  let endCallback;
  function mount() {
    bind(list, "transitionend", (e) => {
      if (e.target === list && endCallback) {
        cancel();
        endCallback();
      }
    });
  }
  function start(index, done) {
    const destination = Move.toPosition(index, true);
    const position = Move.getPosition();
    const speed = getSpeed(index);
    if (abs(destination - position) >= 1 && speed >= 1) {
      apply(`transform ${speed}ms ${options.easing}`);
      Move.translate(destination, true);
      endCallback = done;
    } else {
      Move.jump(index);
      done();
    }
  }
  function cancel() {
    apply("");
  }
  function getSpeed(index) {
    const { rewindSpeed } = options;
    if (Splide2.is(SLIDE) && rewindSpeed) {
      const prev = Controller.getIndex(true);
      const end = Controller.getEnd();
      if (prev === 0 && index >= end || prev >= end && index === 0) {
        return rewindSpeed;
      }
    }
    return options.speed;
  }
  function apply(transition) {
    style(list, "transition", transition);
  }
  return {
    mount,
    start,
    cancel
  };
}

const _Splide = class {
  constructor(target, options) {
    this.event = EventBus();
    this.Components = {};
    this.state = State(CREATED);
    this.splides = [];
    this._options = {};
    this._Extensions = {};
    const root = isString(target) ? query(document, target) : target;
    assert(root, `${root} is invalid.`);
    this.root = root;
    merge(DEFAULTS, _Splide.defaults);
    merge(merge(this._options, DEFAULTS), options || {});
    try {
      merge(this._options, JSON.parse(getAttribute(root, DATA_ATTRIBUTE)));
    } catch (e) {
      assert(false, e.message);
    }
  }
  mount(Extensions, Transition) {
    const { state, Components: Components2 } = this;
    assert(state.is([CREATED, DESTROYED]), "Already mounted!");
    state.set(CREATED);
    this._Components = Components2;
    this._Transition = Transition || this._Transition || (this.is(FADE) ? Fade : Slide);
    this._Extensions = Extensions || this._Extensions;
    const Constructors = assign({}, ComponentConstructors, this._Extensions, { Transition: this._Transition });
    forOwn(Constructors, (Component, key) => {
      const component = Component(this, Components2, this._options);
      Components2[key] = component;
      component.setup && component.setup();
    });
    forOwn(Components2, (component) => {
      component.mount && component.mount();
    });
    this.emit(EVENT_MOUNTED);
    addClass(this.root, CLASS_INITIALIZED);
    state.set(IDLE);
    this.emit(EVENT_READY);
    return this;
  }
  sync(splide) {
    this.splides.push({ splide });
    splide.splides.push({ splide: this, isParent: true });
    if (this.state.is(IDLE)) {
      this._Components.Sync.remount();
      splide.Components.Sync.remount();
    }
    return this;
  }
  go(control) {
    this._Components.Controller.go(control);
    return this;
  }
  on(events, callback) {
    this.event.on(events, callback, null, DEFAULT_USER_EVENT_PRIORITY);
    return this;
  }
  off(events) {
    this.event.off(events);
    return this;
  }
  emit(event) {
    this.event.emit(event, ...slice(arguments, 1));
    return this;
  }
  add(slides, index) {
    this._Components.Slides.add(slides, index);
    return this;
  }
  remove(matcher) {
    this._Components.Slides.remove(matcher);
    return this;
  }
  is(type) {
    return this._options.type === type;
  }
  refresh() {
    this.emit(EVENT_REFRESH);
    return this;
  }
  destroy(completely = true) {
    const { event, state } = this;
    if (state.is(CREATED)) {
      event.on(EVENT_READY, this.destroy.bind(this, completely), this);
    } else {
      forOwn(this._Components, (component) => {
        component.destroy && component.destroy(completely);
      }, true);
      event.emit(EVENT_DESTROY);
      event.destroy();
      completely && empty(this.splides);
      state.set(DESTROYED);
    }
    return this;
  }
  get options() {
    return this._options;
  }
  set options(options) {
    const { _options } = this;
    merge(_options, options);
    if (!this.state.is(CREATED)) {
      this.emit(EVENT_UPDATED, _options);
    }
  }
  get length() {
    return this._Components.Slides.getLength(true);
  }
  get index() {
    return this._Components.Controller.getIndex();
  }
};
let Splide = _Splide;
Splide.defaults = {};
Splide.STATES = STATES;

const CLASS_RENDERED = "is-rendered";

const RENDERER_DEFAULT_CONFIG = {
  listTag: "ul",
  slideTag: "li"
};

class Style {
  constructor(id, options) {
    this.styles = {};
    this.id = id;
    this.options = options;
  }
  rule(selector, prop, value, breakpoint) {
    breakpoint = breakpoint || "default";
    const selectors = this.styles[breakpoint] = this.styles[breakpoint] || {};
    const styles = selectors[selector] = selectors[selector] || {};
    styles[prop] = value;
  }
  build() {
    let css = "";
    if (this.styles.default) {
      css += this.buildSelectors(this.styles.default);
    }
    Object.keys(this.styles).sort((n, m) => this.options.mediaQuery === "min" ? +n - +m : +m - +n).forEach((breakpoint) => {
      if (breakpoint !== "default") {
        css += `@media screen and (max-width: ${breakpoint}px) {`;
        css += this.buildSelectors(this.styles[breakpoint]);
        css += `}`;
      }
    });
    return css;
  }
  buildSelectors(selectors) {
    let css = "";
    forOwn(selectors, (styles, selector) => {
      selector = `#${this.id} ${selector}`.trim();
      css += `${selector} {`;
      forOwn(styles, (value, prop) => {
        if (value || value === 0) {
          css += `${prop}: ${value};`;
        }
      });
      css += "}";
    });
    return css;
  }
}

class SplideRenderer {
  constructor(contents, options, config, defaults) {
    this.slides = [];
    this.options = {};
    this.breakpoints = [];
    merge(DEFAULTS, defaults || {});
    merge(merge(this.options, DEFAULTS), options || {});
    this.contents = contents;
    this.config = assign({}, RENDERER_DEFAULT_CONFIG, config || {});
    this.id = this.config.id || uniqueId("splide");
    this.Style = new Style(this.id, this.options);
    this.Direction = Direction(null, null, this.options);
    assert(this.contents.length, "Provide at least 1 content.");
    this.init();
  }
  static clean(splide) {
    const { on } = EventInterface(splide);
    const { root } = splide;
    const clones = queryAll(root, `.${CLASS_CLONE}`);
    on(EVENT_MOUNTED, () => {
      remove(child(root, "style"));
    });
    remove(clones);
  }
  init() {
    this.parseBreakpoints();
    this.initSlides();
    this.registerRootStyles();
    this.registerTrackStyles();
    this.registerSlideStyles();
    this.registerListStyles();
  }
  initSlides() {
    push(this.slides, this.contents.map((content, index) => {
      content = isString(content) ? { html: content } : content;
      content.styles = content.styles || {};
      content.attrs = content.attrs || {};
      this.cover(content);
      const classes = `${this.options.classes.slide} ${index === 0 ? CLASS_ACTIVE : ""}`;
      assign(content.attrs, {
        class: `${classes} ${content.attrs.class || ""}`.trim(),
        style: this.buildStyles(content.styles)
      });
      return content;
    }));
    if (this.isLoop()) {
      this.generateClones(this.slides);
    }
  }
  registerRootStyles() {
    this.breakpoints.forEach(([width, options]) => {
      this.Style.rule(" ", "max-width", unit(options.width), width);
    });
  }
  registerTrackStyles() {
    const { Style: Style2 } = this;
    const selector = `.${CLASS_TRACK}`;
    this.breakpoints.forEach(([width, options]) => {
      Style2.rule(selector, this.resolve("paddingLeft"), this.cssPadding(options, false), width);
      Style2.rule(selector, this.resolve("paddingRight"), this.cssPadding(options, true), width);
      Style2.rule(selector, "height", this.cssTrackHeight(options), width);
    });
  }
  registerListStyles() {
    const { Style: Style2 } = this;
    const selector = `.${CLASS_LIST}`;
    this.breakpoints.forEach(([width, options]) => {
      Style2.rule(selector, "transform", this.buildTranslate(options), width);
      if (!this.cssSlideHeight(options)) {
        Style2.rule(selector, "aspect-ratio", this.cssAspectRatio(options), width);
      }
    });
  }
  registerSlideStyles() {
    const { Style: Style2 } = this;
    const selector = `.${CLASS_SLIDE}`;
    this.breakpoints.forEach(([width, options]) => {
      Style2.rule(selector, "width", this.cssSlideWidth(options), width);
      Style2.rule(selector, "height", this.cssSlideHeight(options) || "100%", width);
      Style2.rule(selector, this.resolve("marginRight"), unit(options.gap) || "0px", width);
      Style2.rule(`${selector} > img`, "display", options.cover ? "none" : "inline", width);
    });
  }
  buildTranslate(options) {
    const { resolve, orient } = this.Direction;
    const values = [];
    values.push(this.cssOffsetClones(options));
    values.push(this.cssOffsetGaps(options));
    if (this.isCenter(options)) {
      values.push(this.buildCssValue(orient(-50), "%"));
      values.push(...this.cssOffsetCenter(options));
    }
    return values.filter(Boolean).map((value) => `translate${resolve("X")}(${value})`).join(" ");
  }
  cssOffsetClones(options) {
    const { resolve, orient } = this.Direction;
    const cloneCount = this.getCloneCount();
    if (this.isFixedWidth(options)) {
      const { value, unit: unit2 } = this.parseCssValue(options[resolve("fixedWidth")]);
      return this.buildCssValue(orient(value) * cloneCount, unit2);
    }
    const percent = 100 * cloneCount / options.perPage;
    return `${orient(percent)}%`;
  }
  cssOffsetCenter(options) {
    const { resolve, orient } = this.Direction;
    if (this.isFixedWidth(options)) {
      const { value, unit: unit2 } = this.parseCssValue(options[resolve("fixedWidth")]);
      return [this.buildCssValue(orient(value / 2), unit2)];
    }
    const values = [];
    const { perPage, gap } = options;
    values.push(`${orient(50 / perPage)}%`);
    if (gap) {
      const { value, unit: unit2 } = this.parseCssValue(gap);
      const gapOffset = (value / perPage - value) / 2;
      values.push(this.buildCssValue(orient(gapOffset), unit2));
    }
    return values;
  }
  cssOffsetGaps(options) {
    const cloneCount = this.getCloneCount();
    if (cloneCount && options.gap) {
      const { orient } = this.Direction;
      const { value, unit: unit2 } = this.parseCssValue(options.gap);
      if (this.isFixedWidth(options)) {
        return this.buildCssValue(orient(value * cloneCount), unit2);
      }
      const { perPage } = options;
      const gaps = cloneCount / perPage;
      return this.buildCssValue(orient(gaps * value), unit2);
    }
    return "";
  }
  resolve(prop) {
    return camelToKebab(this.Direction.resolve(prop));
  }
  cssPadding(options, right) {
    const { padding } = options;
    const prop = this.Direction.resolve(right ? "right" : "left", true);
    return padding && unit(padding[prop] || (isObject(padding) ? 0 : padding)) || "0px";
  }
  cssTrackHeight(options) {
    let height = "";
    if (this.isVertical()) {
      height = this.cssHeight(options);
      assert(height, '"height" is missing.');
      height = `calc(${height} - ${this.cssPadding(options, false)} - ${this.cssPadding(options, true)})`;
    }
    return height;
  }
  cssHeight(options) {
    return unit(options.height);
  }
  cssSlideWidth(options) {
    return options.autoWidth ? "" : unit(options.fixedWidth) || (this.isVertical() ? "" : this.cssSlideSize(options));
  }
  cssSlideHeight(options) {
    return unit(options.fixedHeight) || (this.isVertical() ? options.autoHeight ? "" : this.cssSlideSize(options) : this.cssHeight(options));
  }
  cssSlideSize(options) {
    const gap = unit(options.gap);
    return `calc((100%${gap && ` + ${gap}`})/${options.perPage || 1}${gap && ` - ${gap}`})`;
  }
  cssAspectRatio(options) {
    const { heightRatio } = options;
    return heightRatio ? `${1 / heightRatio}` : "";
  }
  buildCssValue(value, unit2) {
    return `${value}${unit2}`;
  }
  parseCssValue(value) {
    if (isString(value)) {
      const number = parseFloat(value) || 0;
      const unit2 = value.replace(/\d*(\.\d*)?/, "") || "px";
      return { value: number, unit: unit2 };
    }
    return { value, unit: "px" };
  }
  parseBreakpoints() {
    const { breakpoints } = this.options;
    this.breakpoints.push(["default", this.options]);
    if (breakpoints) {
      forOwn(breakpoints, (options, width) => {
        this.breakpoints.push([width, merge(merge({}, this.options), options)]);
      });
    }
  }
  isFixedWidth(options) {
    return !!options[this.Direction.resolve("fixedWidth")];
  }
  isLoop() {
    return this.options.type === LOOP;
  }
  isCenter(options) {
    if (options.focus === "center") {
      if (this.isLoop()) {
        return true;
      }
      if (this.options.type === SLIDE) {
        return !this.options.trimSpace;
      }
    }
    return false;
  }
  isVertical() {
    return this.options.direction === TTB;
  }
  buildClasses() {
    const { options } = this;
    return [
      CLASS_ROOT,
      `${CLASS_ROOT}--${options.type}`,
      `${CLASS_ROOT}--${options.direction}`,
      options.drag && `${CLASS_ROOT}--draggable`,
      options.isNavigation && `${CLASS_ROOT}--nav`,
      CLASS_ACTIVE,
      !this.config.hidden && CLASS_RENDERED
    ].filter(Boolean).join(" ");
  }
  buildAttrs(attrs) {
    let attr = "";
    forOwn(attrs, (value, key) => {
      attr += value ? ` ${camelToKebab(key)}="${value}"` : "";
    });
    return attr.trim();
  }
  buildStyles(styles) {
    let style = "";
    forOwn(styles, (value, key) => {
      style += ` ${camelToKebab(key)}:${value};`;
    });
    return style.trim();
  }
  renderSlides() {
    const { slideTag: tag } = this.config;
    return this.slides.map((content) => {
      return `<${tag} ${this.buildAttrs(content.attrs)}>${content.html || ""}</${tag}>`;
    }).join("");
  }
  cover(content) {
    const { styles, html = "" } = content;
    if (this.options.cover && !this.options.lazyLoad) {
      const src = html.match(/<img.*?src\s*=\s*(['"])(.+?)\1.*?>/);
      if (src && src[2]) {
        styles.background = `center/cover no-repeat url('${src[2]}')`;
      }
    }
  }
  generateClones(contents) {
    const { classes } = this.options;
    const count = this.getCloneCount();
    const slides = contents.slice();
    while (slides.length < count) {
      push(slides, slides);
    }
    push(slides.slice(-count).reverse(), slides.slice(0, count)).forEach((content, index) => {
      const attrs = assign({}, content.attrs, { class: `${content.attrs.class} ${classes.clone}` });
      const clone = assign({}, content, { attrs });
      index < count ? contents.unshift(clone) : contents.push(clone);
    });
  }
  getCloneCount() {
    if (this.isLoop()) {
      const { options } = this;
      if (options.clones) {
        return options.clones;
      }
      const perPage = max(...this.breakpoints.map(([, options2]) => options2.perPage));
      return perPage * ((options.flickMaxPages || 1) + 1);
    }
    return 0;
  }
  renderArrows() {
    let html = "";
    html += `<div class="${this.options.classes.arrows}">`;
    html += this.renderArrow(true);
    html += this.renderArrow(false);
    html += `</div>`;
    return html;
  }
  renderArrow(prev) {
    const { classes, i18n } = this.options;
    const attrs = {
      class: `${classes.arrow} ${prev ? classes.prev : classes.next}`,
      type: "button",
      ariaLabel: prev ? i18n.prev : i18n.next
    };
    return `<button ${this.buildAttrs(attrs)}><svg xmlns="${XML_NAME_SPACE}" viewBox="0 0 ${SIZE} ${SIZE}" width="${SIZE}" height="${SIZE}"><path d="${this.options.arrowPath || PATH}" /></svg></button>`;
  }
  html() {
    const { rootClass, listTag, arrows, beforeTrack, afterTrack, slider, beforeSlider, afterSlider } = this.config;
    let html = "";
    html += `<div id="${this.id}" class="${this.buildClasses()} ${rootClass || ""}">`;
    html += `<style>${this.Style.build()}</style>`;
    if (slider) {
      html += beforeSlider || "";
      html += `<div class="splide__slider">`;
    }
    html += beforeTrack || "";
    if (arrows) {
      html += this.renderArrows();
    }
    html += `<div class="splide__track">`;
    html += `<${listTag} class="splide__list">`;
    html += this.renderSlides();
    html += `</${listTag}>`;
    html += `</div>`;
    html += afterTrack || "";
    if (slider) {
      html += `</div>`;
      html += afterSlider || "";
    }
    html += `</div>`;
    return html;
  }
}

exports.CLASSES = CLASSES;
exports.CLASS_ACTIVE = CLASS_ACTIVE;
exports.CLASS_ARROW = CLASS_ARROW;
exports.CLASS_ARROWS = CLASS_ARROWS;
exports.CLASS_ARROW_NEXT = CLASS_ARROW_NEXT;
exports.CLASS_ARROW_PREV = CLASS_ARROW_PREV;
exports.CLASS_AUTOPLAY = CLASS_AUTOPLAY;
exports.CLASS_CLONE = CLASS_CLONE;
exports.CLASS_CONTAINER = CLASS_CONTAINER;
exports.CLASS_INITIALIZED = CLASS_INITIALIZED;
exports.CLASS_LIST = CLASS_LIST;
exports.CLASS_LOADING = CLASS_LOADING;
exports.CLASS_NEXT = CLASS_NEXT;
exports.CLASS_PAGINATION = CLASS_PAGINATION;
exports.CLASS_PAGINATION_PAGE = CLASS_PAGINATION_PAGE;
exports.CLASS_PAUSE = CLASS_PAUSE;
exports.CLASS_PLAY = CLASS_PLAY;
exports.CLASS_PREV = CLASS_PREV;
exports.CLASS_PROGRESS = CLASS_PROGRESS;
exports.CLASS_PROGRESS_BAR = CLASS_PROGRESS_BAR;
exports.CLASS_ROOT = CLASS_ROOT;
exports.CLASS_SLIDE = CLASS_SLIDE;
exports.CLASS_SLIDER = CLASS_SLIDER;
exports.CLASS_SPINNER = CLASS_SPINNER;
exports.CLASS_SR = CLASS_SR;
exports.CLASS_TRACK = CLASS_TRACK;
exports.CLASS_VISIBLE = CLASS_VISIBLE;
exports.EVENT_ACTIVE = EVENT_ACTIVE;
exports.EVENT_ARROWS_MOUNTED = EVENT_ARROWS_MOUNTED;
exports.EVENT_ARROWS_UPDATED = EVENT_ARROWS_UPDATED;
exports.EVENT_AUTOPLAY_PAUSE = EVENT_AUTOPLAY_PAUSE;
exports.EVENT_AUTOPLAY_PLAY = EVENT_AUTOPLAY_PLAY;
exports.EVENT_AUTOPLAY_PLAYING = EVENT_AUTOPLAY_PLAYING;
exports.EVENT_CLICK = EVENT_CLICK;
exports.EVENT_DESTROY = EVENT_DESTROY;
exports.EVENT_DRAG = EVENT_DRAG;
exports.EVENT_DRAGGED = EVENT_DRAGGED;
exports.EVENT_DRAGGING = EVENT_DRAGGING;
exports.EVENT_HIDDEN = EVENT_HIDDEN;
exports.EVENT_INACTIVE = EVENT_INACTIVE;
exports.EVENT_LAZYLOAD_LOADED = EVENT_LAZYLOAD_LOADED;
exports.EVENT_MOUNTED = EVENT_MOUNTED;
exports.EVENT_MOVE = EVENT_MOVE;
exports.EVENT_MOVED = EVENT_MOVED;
exports.EVENT_NAVIGATION_MOUNTED = EVENT_NAVIGATION_MOUNTED;
exports.EVENT_PAGINATION_MOUNTED = EVENT_PAGINATION_MOUNTED;
exports.EVENT_PAGINATION_UPDATED = EVENT_PAGINATION_UPDATED;
exports.EVENT_READY = EVENT_READY;
exports.EVENT_REFRESH = EVENT_REFRESH;
exports.EVENT_REPOSITIONED = EVENT_REPOSITIONED;
exports.EVENT_RESIZE = EVENT_RESIZE;
exports.EVENT_RESIZED = EVENT_RESIZED;
exports.EVENT_SCROLL = EVENT_SCROLL;
exports.EVENT_SCROLLED = EVENT_SCROLLED;
exports.EVENT_SHIFTED = EVENT_SHIFTED;
exports.EVENT_SLIDE_KEYDOWN = EVENT_SLIDE_KEYDOWN;
exports.EVENT_UPDATED = EVENT_UPDATED;
exports.EVENT_VISIBLE = EVENT_VISIBLE;
exports.EventBus = EventBus;
exports.EventInterface = EventInterface;
exports.RequestInterval = RequestInterval;
exports.STATUS_CLASSES = STATUS_CLASSES;
exports.Splide = Splide;
exports.SplideRenderer = SplideRenderer;
exports.State = State;
exports.Throttle = Throttle;
exports["default"] = Splide;