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() {\n  function ElderCarousel(selector, opts) {\n    this.wrapper = null\n    this.wrapperWidth = 0\n    this.track = null\n    this.trackWidth = 0\n    this.trackPosition = 0\n    this.startPosition = 0\n    // this.trackMouseDown = false\n    this.items = []\n    this.itemWidth = 0\n    this.firstItem = null\n    // this.pageDistance = 0\n    this.lastItem = null\n    this.settings = { ...ElderCarousel.defaults, ...opts };\n    this.settings.selector = selector\n    this.playInterval = null\n    this.navDisabled = false\n    this.isEnd = false\n    this.isStart = false\n    setup(this);\n  }\n\n  ElderCarousel.prototype.next = function () {\n    // this.isEnd = Math.abs(this.trackPosition) === this.trackWidth - this.itemWidth\n\n    if (!this.settings.loop && this.isEnd || this.items.length === 1) return\n\n    this.trackPosition -= this.itemWidth * this.settings.step\n\n    move(this)\n  };\n\n  ElderCarousel.prototype.prev = function () {\n    this.isStart = Math.abs(this.trackPosition) === 0\n\n    if (!this.settings.loop && this.isStart || this.items.length === 1) return\n\n    this.trackPosition += this.itemWidth * this.settings.step\n\n    move(this)\n  };\n\n  ElderCarousel.prototype.goTo = function (index) {\n    this.trackPosition = -(index * this.itemWidth)\n    move(this)\n  };\n\n  ElderCarousel.prototype.play = function () {\n\n    clearInterval(this.playInterval)\n\n    this.playInterval = setInterval(() => {\n      this.next()\n    }, this.settings.playInterval)\n\n  };\n\n  ElderCarousel.prototype.stop = function () {\n    clearInterval(this.playInterval)\n  };\n\n  function move(self) {\n    self.track.style.transition = `transform ${self.settings.speed}ms ease`\n    self.track.style.transform = `translate3d(${self.trackPosition}px,0,0)`\n    // updatePagination(self)\n    if (self.settings.play) self.play()\n  }\n\n  function setup(self) {\n\n    if (!buildUI(self)) return\n\n    // if (self.settings.pagination) createPagination(self)\n\n    if (self.settings.navs) createNavs(self)\n\n    if (self.settings.play) self.play()\n\n    setTrackStartPosition(self)\n\n    setupEvents(self)\n  }\n\n  function buildUI(self) {\n    self.wrapper = document.querySelector(self.settings.selector)\n    if (!self.wrapper) return false\n    self.wrapper.classList.add(\"ec\")\n    self.wrapperWidth = self.wrapper.clientWidth\n    self.itemWidth = parseInt(self.wrapperWidth / self.settings.items)\n\n    self.items = Array.from(self.wrapper.children)\n\n    if (self.items.length === 0) return false\n\n    self.items.forEach(item => {\n      item.classList.add('ec__item')\n      item.style.width = self.itemWidth + 'px'\n    })\n\n    if (self.items.length > 1) {\n       // fazer calcullo com step ao invez de items\n      const leftClonedItems = self.items.slice(self.items.length - self.settings.items, self.items.length).map(item => {\n        const clonedItem = item.cloneNode(true)\n        clonedItem.classList.add('cloned')\n        return clonedItem;\n      })\n\n      const rightClonedItems = self.items.slice(0, self.settings.items).map(item => {\n        const clonedItem = item.cloneNode(true)\n        clonedItem.classList.add('cloned')\n        return clonedItem;\n      })\n\n      self.items = [ ...leftClonedItems, ...self.items, ...rightClonedItems ]\n    }\n\n    self.track = document.createElement('div')\n    self.track.className = 'ec__track'\n    self.trackWidth = self.itemWidth * self.items.length\n    self.track.style.width = self.trackWidth + 'px'\n    self.items.forEach(item => self.track.appendChild(item))\n\n    const trackHolder = document.createElement('div')\n    trackHolder.className = 'ec__holder'\n    trackHolder.appendChild(self.track)\n\n    self.wrapper.appendChild(trackHolder)\n    return true\n  }\n\n  // Atualiza a UI\n  function updateUI(self) {\n    self.wrapperWidth = self.wrapper.clientWidth\n    self.itemWidth = parseInt(self.wrapperWidth / self.settings.items)\n\n    self.trackWidth = self.itemWidth * self.items.length\n    self.track.style.width = self.trackWidth + 'px'\n\n    self.items.forEach(item => item.style.width = self.itemWidth + 'px')\n  }\n\n  // Adiciona os eventos\n  function setupEvents(self) {\n\n    // Eventos da window\n    window.addEventListener('resize', () => updateUI(self))\n\n    // Eventos da track\n    self.track.addEventListener('transitionstart', () => {\n      self.isEnd = Math.abs(self.trackPosition) === self.trackWidth - (self.itemWidth * self.settings.step)\n\n    });\n\n    self.track.addEventListener('transitionend', () => {\n\n      if (self.items.length !== 1) {\n        self.isEnd = Math.abs(self.trackPosition) === self.trackWidth - (self.itemWidth * self.settings.items)\n        if (self.isEnd) setTrackStartPosition(self)\n\n        self.isStart = Math.abs(self.trackPosition) === 0\n        if (self.isStart) setTrackEndPosition(self)\n      }\n\n      self.navDisabled = false\n    })\n  }\n\n  // Cria os botões de navegação\n  function createNavs(self) {\n    let prevNav, nextNav\n\n    // Seta de navegação esquerda\n    prevNav = self.settings.prevNav || document.createElement('div')\n    prevNav.className = 'ec__nav ec__nav--prev'\n    prevNav.setAttribute('role', 'button')\n    prevNav.setAttribute('disabled', 'true')\n    prevNav.addEventListener('click', () => {\n      if (self.navDisabled) return\n      self.navDisabled = true\n      self.prev()\n    })\n\n    // Seta de navegação direita\n    nextNav = self.settings.nextNav || document.createElement('div')\n    nextNav.className = 'ec__nav ec__nav--next'\n    nextNav.setAttribute('role', 'button')\n    nextNav.addEventListener('click', () => {\n      if (self.navDisabled) return\n      self.navDisabled = true\n      self.next()\n    })\n\n    self.wrapper.appendChild(prevNav)\n    self.wrapper.appendChild(nextNav)\n  }\n\n  function debounce(fn, ms) {\n    let timer = 0\n    return function (...args) {\n      clearTimeout(timer)\n      timer = setTimeout(fn.bind(this, ...args), ms || 0)\n    }\n  }\n\n  function createPagination(self) {\n    let paginationWrapperEl = document.createElement('div')\n    paginationWrapperEl.className = 'ec__pagination'\n    let dotsLength = self.items.length / self.settings.items\n    for (let i = 0; i < dotsLength; i++) {\n      let dot = document.createElement('div')\n      dot.className = 'pagination__dot'\n      const index = i * self.settings.items\n      dot.addEventListener('click', function () { self.goTo(index) })\n      paginationWrapperEl.appendChild(dot)\n    }\n    self.wrapper.appendChild(paginationWrapperEl)\n  }\n\n  function updatePagination(self) {\n    const PAGE_DISTANCE = self.settings.items * self.itemWidth\n    if (Math.abs(self.trackPosition) % PAGE_DISTANCE === 0) {\n      const index = Math.abs(self.trackPosition) / PAGE_DISTANCE\n      const paginationDotsNodeList = self.wrapper.querySelectorAll('.pagination__dot')\n      const dots = Array.from(paginationDotsNodeList)\n      dots.forEach(dot => dot.classList.remove('pagination__dot--active'))\n      dots[index].classList.add('pagination__dot--active')\n    }\n  }\n\n  function setTrackStartPosition(self) {\n    if (self.items.length === 1) {\n      self.trackPosition = 0\n    } else {\n      self.startPosition = (self.settings.start + self.settings.items) * self.itemWidth\n      self.trackPosition = self.startPosition * -1\n    }\n    setTrackPosition(self)\n  }\n\n  function setTrackEndPosition(self) {\n    self.endPosition = Math.abs(self.trackPosition) - (self.itemWidth * (self.settings.items * 2 + 1))\n    self.trackPosition = self.endPosition\n    setTrackPosition(self)\n  }\n\n  function setTrackPosition(self) {\n    self.track.style.transitionProperty = 'none'\n    self.track.style.transform = `translate3d(${self.trackPosition}px,0,0)`\n  }\n\n  function loop(self) {\n    const firstItemClone = self.firstItem.cloneNode(true)\n    firstItemClone.classList.add('cloned')\n    self.items.push(firstItemClone)\n    self.track.appendChild(firstItemClone)\n    updateUI(self);\n    move(self);\n  }\n\n  ElderCarousel.defaults = {\n    selector: '',\n    items: 3,\n    step: 1,\n    speed: 300,\n    start: 0,\n    pagination: true,\n    navs: true,\n    // navPrev: null,\n    loop: true,\n    play: false,\n    playInterval: 3000\n  };\n\n  window.ElderCarousel = ElderCarousel;\n})();\n"],"file":"index.min.js"}