{"version":3,"file":"bs-stepper.min.js","sources":["../../src/js/polyfill.js","../../src/js/util.js","../../src/js/listeners.js","../../src/js/index.js"],"sourcesContent":["let matches = window.Element.prototype.matches\nlet closest = (element, selector) => element.closest(selector)\nlet WinEvent = (inType, params) => new window.Event(inType, params)\n\n/* istanbul ignore next */\nfunction polyfill () {\n  if (!window.Element.prototype.matches) {\n    matches = window.Element.prototype.msMatchesSelector ||\n      window.Element.prototype.webkitMatchesSelector\n  }\n\n  if (!window.Element.prototype.closest) {\n    closest = (element, selector) => {\n      if (!document.documentElement.contains(element)) {\n        return null\n      }\n\n      do {\n        if (matches.call(element, selector)) {\n          return element\n        }\n\n        element = element.parentElement || element.parentNode\n      } while (element !== null && element.nodeType === 1)\n\n      return null\n    }\n  }\n\n  if (!window.Event || typeof window.Event !== 'function') {\n    WinEvent = (inType, params) => {\n      params = params || {}\n      const e = document.createEvent('Event')\n      e.initEvent(inType, Boolean(params.bubbles), Boolean(params.cancelable))\n      return e\n    }\n  }\n}\n\npolyfill()\n\nexport {\n  closest,\n  WinEvent\n}\n","import { WinEvent, closest } from './polyfill'\n\nconst MILLISECONDS_MULTIPLIER = 1000\nconst Selectors = {\n  STEPS: '.step',\n  TRIGGER: '.step-trigger, a',\n  STEPPER: '.bs-stepper'\n}\n\nconst ClassName = {\n  ACTIVE: 'active',\n  LINEAR: 'linear',\n  BLOCK: 'dstepper-block',\n  NONE: 'dstepper-none',\n  FADE: 'fade'\n}\n\nconst transitionEndEvent = 'transitionend'\nconst customProperty = 'bsStepper'\n\nconst showStep = (step, stepList) => {\n  if (step.classList.contains(ClassName.ACTIVE)) {\n    return\n  }\n\n  const stepperNode = closest(step, Selectors.STEPPER)\n  const activeStep = stepList.filter(step => step.classList.contains(ClassName.ACTIVE))\n  if (activeStep.length) {\n    activeStep[0].classList.remove(ClassName.ACTIVE)\n  }\n  stepList.forEach(step => {\n    const trigger = step.querySelector(Selectors.TRIGGER)\n    trigger.setAttribute('aria-selected', 'false')\n    // if stepper is in linear mode, set disabled attribute on the trigger\n    if (stepperNode.classList.contains(ClassName.LINEAR)) {\n      trigger.setAttribute('disabled', 'disabled')\n    }\n  })\n\n  step.classList.add(ClassName.ACTIVE)\n  const currentTrigger = step.querySelector(Selectors.TRIGGER)\n  currentTrigger.setAttribute('aria-selected', 'true')\n  // if stepper is in linear mode, remove disabled attribute on current\n  if (stepperNode.classList.contains(ClassName.LINEAR)) {\n    currentTrigger.removeAttribute('disabled')\n  }\n}\n\nconst showContent = (content, contentList) => {\n  if (content.classList.contains(ClassName.ACTIVE)) {\n    return\n  }\n\n  function complete () {\n    content.classList.add(ClassName.BLOCK)\n    content.removeEventListener(transitionEndEvent, complete)\n  }\n\n  const activeContent = contentList.filter(content => content.classList.contains(ClassName.ACTIVE))\n  if (activeContent.length) {\n    activeContent[0].classList.remove(ClassName.ACTIVE)\n    activeContent[0].classList.remove(ClassName.BLOCK)\n  }\n\n  if (content.classList.contains(ClassName.FADE)) {\n    content.classList.remove(ClassName.NONE)\n    const duration = getTransitionDurationFromElement(content)\n    content.addEventListener(transitionEndEvent, complete)\n    if (activeContent.length) {\n      activeContent[0].classList.add(ClassName.NONE)\n    }\n\n    content.classList.add(ClassName.ACTIVE)\n    emulateTransitionEnd(content, duration)\n  } else {\n    content.classList.add(ClassName.ACTIVE)\n  }\n}\n\nconst getTransitionDurationFromElement = element => {\n  if (!element) {\n    return 0\n  }\n\n  // Get transition-duration of the element\n  let transitionDuration = window.getComputedStyle(element).transitionDuration\n  const floatTransitionDuration = parseFloat(transitionDuration)\n\n  // Return 0 if element or transition duration is not found\n  if (!floatTransitionDuration) {\n    return 0\n  }\n\n  // If multiple durations are defined, take the first\n  transitionDuration = transitionDuration.split(',')[0]\n\n  return parseFloat(transitionDuration) * MILLISECONDS_MULTIPLIER\n}\n\nconst emulateTransitionEnd = (element, duration) => {\n  let called = false\n  const durationPadding = 5\n  const emulatedDuration = duration + durationPadding\n  function listener () {\n    called = true\n    element.removeEventListener(transitionEndEvent, listener)\n  }\n\n  element.addEventListener(transitionEndEvent, listener)\n  window.setTimeout(() => {\n    if (!called) {\n      element.dispatchEvent(WinEvent(transitionEndEvent))\n    }\n\n    element.removeEventListener(transitionEndEvent, listener)\n  }, emulatedDuration)\n}\n\nconst detectAnimation = (contentList, animation) => {\n  if (animation) {\n    contentList.forEach(content => {\n      content.classList.add(ClassName.FADE)\n      content.classList.add(ClassName.NONE)\n    })\n  }\n}\n\nexport {\n  showContent,\n  showStep,\n  Selectors,\n  ClassName,\n  customProperty,\n  detectAnimation\n}\n","import { closest } from './polyfill'\nimport { Selectors, customProperty, showStep, showContent } from './util'\n\nfunction clickStepLinearListener (event) {\n  event.preventDefault()\n}\n\nfunction clickStepNonLinearListener (event) {\n  event.preventDefault()\n\n  const step = closest(event.target, Selectors.STEPS)\n  const stepperNode = closest(step, Selectors.STEPPER)\n  const stepper = stepperNode[customProperty]\n\n  const stepIndex = stepper._steps.indexOf(step)\n  stepper._currentIndex = stepIndex\n  showStep(step, stepper._steps)\n  showContent(stepper._stepsContents[stepIndex], stepper._stepsContents)\n}\n\nexport {\n  clickStepLinearListener,\n  clickStepNonLinearListener\n}\n","import { showContent, showStep, Selectors, ClassName, customProperty, detectAnimation } from './util'\nimport { clickStepLinearListener, clickStepNonLinearListener } from './listeners'\n\nconst DEFAULT_OPTIONS = {\n  linear: true,\n  animation: false\n}\n\nclass Stepper {\n  constructor (element, _options = {}) {\n    this._element = element\n    this._currentIndex = 0\n    this._stepsContents = []\n    this._steps = [].slice.call(this._element.querySelectorAll(Selectors.STEPS))\n      .filter(step => step.hasAttribute('data-target'))\n\n    this._steps.forEach(step => {\n      this._stepsContents.push(\n        this._element.querySelector(step.getAttribute('data-target'))\n      )\n    })\n\n    this.options = {\n      ...DEFAULT_OPTIONS,\n      ..._options\n    }\n\n    if (this.options.linear) {\n      this._element.classList.add(ClassName.LINEAR)\n    }\n\n    detectAnimation(this._stepsContents, this.options.animation)\n    if (this._steps.length) {\n      showStep(this._steps[this._currentIndex], this._steps)\n      showContent(this._stepsContents[this._currentIndex], this._stepsContents)\n    }\n\n    this._setLinkListeners()\n    Object.defineProperty(this._element, customProperty, {\n      value: this,\n      writable: true\n    })\n  }\n\n  // Private\n\n  _setLinkListeners () {\n    this._steps.forEach(step => {\n      const trigger = step.querySelector(Selectors.TRIGGER)\n      if (this.options.linear) {\n        trigger.addEventListener('click', clickStepLinearListener)\n      } else {\n        trigger.addEventListener('click', clickStepNonLinearListener)\n      }\n    })\n  }\n\n  // Public\n\n  next () {\n    this._currentIndex = (this._currentIndex + 1) <= this._steps.length - 1 ? this._currentIndex + 1 : (this._steps.length - 1)\n\n    showStep(this._steps[this._currentIndex], this._steps)\n    showContent(this._stepsContents[this._currentIndex], this._stepsContents)\n  }\n\n  previous () {\n    this._currentIndex = (this._currentIndex - 1) >= 0 ? this._currentIndex - 1 : 0\n\n    showStep(this._steps[this._currentIndex], this._steps)\n    showContent(this._stepsContents[this._currentIndex], this._stepsContents)\n  }\n\n  to (stepNumber) {\n    const tempIndex = stepNumber - 1\n    this._currentIndex = tempIndex >= 0 && tempIndex < this._steps.length\n      ? tempIndex\n      : 0\n\n    showStep(this._steps[this._currentIndex], this._steps)\n    showContent(this._stepsContents[this._currentIndex], this._stepsContents)\n  }\n\n  reset () {\n    this._currentIndex = 0\n    showStep(this._steps[this._currentIndex], this._steps)\n    showContent(this._stepsContents[this._currentIndex], this._stepsContents)\n  }\n\n  destroy () {\n    this._steps.forEach(step => {\n      const trigger = step.querySelector(Selectors.TRIGGER)\n      if (this.options.linear) {\n        trigger.removeEventListener('click', clickStepLinearListener)\n      } else {\n        trigger.removeEventListener('click', clickStepNonLinearListener)\n      }\n    })\n\n    this._element[customProperty] = undefined\n    this._element = undefined\n    this._currentIndex = undefined\n    this._steps = undefined\n    this._stepsContents = undefined\n  }\n}\n\nexport default Stepper\n"],"names":["matches","window","Element","prototype","closest","element","selector","WinEvent","inType","params","Event","msMatchesSelector","webkitMatchesSelector","document","documentElement","contains","call","parentElement","parentNode","nodeType","e","createEvent","initEvent","Boolean","bubbles","cancelable","Selectors","ClassName","transitionEndEvent","customProperty","showStep","step","stepList","classList","stepperNode","activeStep","filter","length","remove","forEach","trigger","querySelector","setAttribute","add","currentTrigger","removeAttribute","showContent","content","contentList","activeContent","duration","getTransitionDurationFromElement","addEventListener","complete","removeEventListener","emulateTransitionEnd","transitionDuration","getComputedStyle","parseFloat","split","called","emulatedDuration","listener","setTimeout","dispatchEvent","clickStepLinearListener","event","preventDefault","clickStepNonLinearListener","target","stepper","stepIndex","_steps","indexOf","_currentIndex","_stepsContents","DEFAULT_OPTIONS","linear","animation","_options","_element","slice","this","querySelectorAll","hasAttribute","_this","push","getAttribute","options","_setLinkListeners","Object","defineProperty","value","writable","_this2","next","previous","to","stepNumber","tempIndex","reset","destroy","_this3","undefined"],"mappings":";;;;;4YAAA,IAAIA,EAAUC,OAAOC,QAAQC,UAAUH,QACnCI,EAAU,SAACC,EAASC,UAAaD,EAAQD,QAAQE,IACjDC,EAAW,SAACC,EAAQC,UAAW,IAAIR,OAAOS,MAAMF,EAAQC,IAIrDR,OAAOC,QAAQC,UAAUH,UAC5BA,EAAUC,OAAOC,QAAQC,UAAUQ,mBACjCV,OAAOC,QAAQC,UAAUS,uBAGxBX,OAAOC,QAAQC,UAAUC,UAC5BA,EAAU,SAACC,EAASC,OACbO,SAASC,gBAAgBC,SAASV,UAC9B,OAGN,IACGL,EAAQgB,KAAKX,EAASC,UACjBD,EAGTA,EAAUA,EAAQY,eAAiBZ,EAAQa,iBACxB,OAAZb,GAAyC,IAArBA,EAAQc,iBAE9B,OAINlB,OAAOS,OAAiC,mBAAjBT,OAAOS,QACjCH,EAAW,SAACC,EAAQC,GAClBA,EAASA,GAAU,OACbW,EAAIP,SAASQ,YAAY,gBAC/BD,EAAEE,UAAUd,EAAQe,QAAQd,EAAOe,SAAUD,QAAQd,EAAOgB,aACrDL,IChCb,IACMM,EACG,QADHA,EAEK,mBAFLA,EAGK,cAGLC,EACI,SADJA,EAEI,SAFJA,EAGG,iBAHHA,EAIE,gBAJFA,EAKE,OAGFC,EAAqB,gBACrBC,EAAiB,YAEjBC,EAAW,SAACC,EAAMC,OAClBD,EAAKE,UAAUlB,SAASY,QAItBO,EAAc9B,EAAQ2B,EAAML,GAC5BS,EAAaH,EAASI,OAAO,SAAAL,UAAQA,EAAKE,UAAUlB,SAASY,KAC/DQ,EAAWE,QACbF,EAAW,GAAGF,UAAUK,OAAOX,GAEjCK,EAASO,QAAQ,SAAAR,OACTS,EAAUT,EAAKU,cAAcf,GACnCc,EAAQE,aAAa,gBAAiB,SAElCR,EAAYD,UAAUlB,SAASY,IACjCa,EAAQE,aAAa,WAAY,cAIrCX,EAAKE,UAAUU,IAAIhB,OACbiB,EAAiBb,EAAKU,cAAcf,GAC1CkB,EAAeF,aAAa,gBAAiB,QAEzCR,EAAYD,UAAUlB,SAASY,IACjCiB,EAAeC,gBAAgB,cAI7BC,EAAc,SAACC,EAASC,OACxBD,EAAQd,UAAUlB,SAASY,QASzBsB,EAAgBD,EAAYZ,OAAO,SAAAW,UAAWA,EAAQd,UAAUlB,SAASY,QAC3EsB,EAAcZ,SAChBY,EAAc,GAAGhB,UAAUK,OAAOX,GAClCsB,EAAc,GAAGhB,UAAUK,OAAOX,IAGhCoB,EAAQd,UAAUlB,SAASY,GAAiB,CAC9CoB,EAAQd,UAAUK,OAAOX,OACnBuB,EAAWC,EAAiCJ,GAClDA,EAAQK,iBAAiBxB,WAdlByB,IACPN,EAAQd,UAAUU,IAAIhB,GACtBoB,EAAQO,oBAAoB1B,EAAoByB,KAa5CJ,EAAcZ,QAChBY,EAAc,GAAGhB,UAAUU,IAAIhB,GAGjCoB,EAAQd,UAAUU,IAAIhB,GACtB4B,EAAqBR,EAASG,QAE9BH,EAAQd,UAAUU,IAAIhB,KAIpBwB,EAAmC,SAAA9C,OAClCA,SACI,MAILmD,EAAqBvD,OAAOwD,iBAAiBpD,GAASmD,0BAC1BE,WAAWF,IAQ3CA,EAAqBA,EAAmBG,MAAM,KAAK,GA5FrB,IA8FvBD,WAAWF,IANT,GASLD,EAAuB,SAAClD,EAAS6C,OACjCU,GAAS,EAEPC,EAAmBX,EADD,WAEfY,IACPF,GAAS,EACTvD,EAAQiD,oBAAoB1B,EAAoBkC,GAGlDzD,EAAQ+C,iBAAiBxB,EAAoBkC,GAC7C7D,OAAO8D,WAAW,WACXH,GACHvD,EAAQ2D,cAAczD,EAASqB,IAGjCvB,EAAQiD,oBAAoB1B,EAAoBkC,IAC/CD,IChHL,SAASI,EAAyBC,GAChCA,EAAMC,iBAGR,SAASC,EAA4BF,GACnCA,EAAMC,qBAEApC,EAAO3B,EAAQ8D,EAAMG,OAAQ3C,GAE7B4C,EADclE,EAAQ2B,EAAML,GACNG,GAEtB0C,EAAYD,EAAQE,OAAOC,QAAQ1C,GACzCuC,EAAQI,cAAgBH,EACxBzC,EAASC,EAAMuC,EAAQE,QACvB1B,EAAYwB,EAAQK,eAAeJ,GAAYD,EAAQK,gBCdzD,IAAMC,EAAkB,CACtBC,QAAQ,EACRC,WAAW,gCAIEzE,EAAS0E,OF6GC/B,kBE7GD+B,IAAAA,EAAW,SAC1BC,SAAW3E,OACXqE,cAAgB,OAChBC,eAAiB,QACjBH,OAAS,GAAGS,MAAMjE,KAAKkE,KAAKF,SAASG,iBAAiBzD,IACxDU,OAAO,SAAAL,UAAQA,EAAKqD,aAAa,sBAE/BZ,OAAOjC,QAAQ,SAAAR,GAClBsD,EAAKV,eAAeW,KAClBD,EAAKL,SAASvC,cAAcV,EAAKwD,aAAa,wBAI7CC,aACAZ,EACAG,GAGDG,KAAKM,QAAQX,aACVG,SAAS/C,UAAUU,IAAIhB,GF0FTqB,EEvFLkC,KAAKP,eAAgBO,KAAKM,QAAQV,WFyFlD9B,EAAYT,QAAQ,SAAAQ,GAClBA,EAAQd,UAAUU,IAAIhB,GACtBoB,EAAQd,UAAUU,IAAIhB,KE1FpBuD,KAAKV,OAAOnC,SACdP,EAASoD,KAAKV,OAAOU,KAAKR,eAAgBQ,KAAKV,QAC/C1B,EAAYoC,KAAKP,eAAeO,KAAKR,eAAgBQ,KAAKP,sBAGvDc,oBACLC,OAAOC,eAAeT,KAAKF,SAAUnD,EAAgB,CACnD+D,MAAOV,KACPW,UAAU,+BAMdJ,kBAAA,2BACOjB,OAAOjC,QAAQ,SAAAR,OACZS,EAAUT,EAAKU,cAAcf,GAC/BoE,EAAKN,QAAQX,OACfrC,EAAQY,iBAAiB,QAASa,GAElCzB,EAAQY,iBAAiB,QAASgB,QAOxC2B,KAAA,gBACOrB,cAAiBQ,KAAKR,cAAgB,GAAMQ,KAAKV,OAAOnC,OAAS,EAAI6C,KAAKR,cAAgB,EAAKQ,KAAKV,OAAOnC,OAAS,EAEzHP,EAASoD,KAAKV,OAAOU,KAAKR,eAAgBQ,KAAKV,QAC/C1B,EAAYoC,KAAKP,eAAeO,KAAKR,eAAgBQ,KAAKP,mBAG5DqB,SAAA,gBACOtB,cAA4C,GAA3BQ,KAAKR,cAAgB,EAAUQ,KAAKR,cAAgB,EAAI,EAE9E5C,EAASoD,KAAKV,OAAOU,KAAKR,eAAgBQ,KAAKV,QAC/C1B,EAAYoC,KAAKP,eAAeO,KAAKR,eAAgBQ,KAAKP,mBAG5DsB,GAAA,SAAIC,OACIC,EAAYD,EAAa,OAC1BxB,cAA6B,GAAbyB,GAAkBA,EAAYjB,KAAKV,OAAOnC,OAC3D8D,EACA,EAEJrE,EAASoD,KAAKV,OAAOU,KAAKR,eAAgBQ,KAAKV,QAC/C1B,EAAYoC,KAAKP,eAAeO,KAAKR,eAAgBQ,KAAKP,mBAG5DyB,MAAA,gBACO1B,cAAgB,EACrB5C,EAASoD,KAAKV,OAAOU,KAAKR,eAAgBQ,KAAKV,QAC/C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