diff --git a/dist/dragula.js b/dist/dragula.js index 67b93812..737765b1 100644 --- a/dist/dragula.js +++ b/dist/dragula.js @@ -119,7 +119,7 @@ function dragula (initialContainers, options) { function destroy () { events(true); - release({}); + release({clientX: -1, clientY: -1}); } function preventGrabbed (e) { @@ -905,4 +905,4 @@ if (si) { module.exports = tick; },{}]},{},[2])(2) }); -//# 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e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})","'use strict';\n\nvar cache = {};\nvar start = '(?:^|\\\\s)';\nvar end = '(?:\\\\s|$)';\n\nfunction lookupClass (className) {\n  var cached = cache[className];\n  if (cached) {\n    cached.lastIndex = 0;\n  } else {\n    cache[className] = cached = new RegExp(start + className + end, 'g');\n  }\n  return cached;\n}\n\nfunction addClass (el, className) {\n  var current = el.className;\n  if (!current.length) {\n    el.className = className;\n  } else if (!lookupClass(className).test(current)) {\n    el.className += ' ' + className;\n  }\n}\n\nfunction rmClass (el, className) {\n  el.className = el.className.replace(lookupClass(className), ' ').trim();\n}\n\nmodule.exports = {\n  add: addClass,\n  rm: rmClass\n};\n","'use strict';\n\nvar emitter = require('contra/emitter');\nvar crossvent = require('crossvent');\nvar classes = require('./classes');\nvar doc = document;\nvar documentElement = doc.documentElement;\n\nfunction dragula (initialContainers, options) {\n  var len = arguments.length;\n  if (len === 1 && Array.isArray(initialContainers) === false) {\n    options = initialContainers;\n    initialContainers = [];\n  }\n  var _mirror; // mirror image\n  var _source; // source container\n  var _item; // item being dragged\n  var _offsetX; // reference x\n  var _offsetY; // reference y\n  var _moveX; // reference move x\n  var _moveY; // reference move y\n  var _initialSibling; // reference sibling when grabbed\n  var _currentSibling; // reference sibling now\n  var _copy; // item used for copying\n  var _renderTimer; // timer for setTimeout renderMirrorImage\n  var _lastDropTarget = null; // last container item was over\n  var _grabbed; // holds mousedown context until first mousemove\n\n  var o = options || {};\n  if (o.moves === void 0) { o.moves = always; }\n  if (o.accepts === void 0) { o.accepts = always; }\n  if (o.invalid === void 0) { o.invalid = invalidTarget; }\n  if (o.containers === void 0) { o.containers = initialContainers || []; }\n  if (o.isContainer === void 0) { o.isContainer = never; }\n  if (o.copy === void 0) { o.copy = false; }\n  if (o.copySortSource === void 0) { o.copySortSource = false; }\n  if (o.revertOnSpill === void 0) { o.revertOnSpill = false; }\n  if (o.removeOnSpill === void 0) { o.removeOnSpill = false; }\n  if (o.direction === void 0) { o.direction = 'vertical'; }\n  if (o.ignoreInputTextSelection === void 0) { o.ignoreInputTextSelection = true; }\n  if (o.mirrorContainer === void 0) { o.mirrorContainer = doc.body; }\n\n  var drake = emitter({\n    containers: o.containers,\n    start: manualStart,\n    end: end,\n    cancel: cancel,\n    remove: remove,\n    destroy: destroy,\n    canMove: canMove,\n    dragging: false\n  });\n\n  if (o.removeOnSpill === true) {\n    drake.on('over', spillOver).on('out', spillOut);\n  }\n\n  events();\n\n  return drake;\n\n  function isContainer (el) {\n    return drake.containers.indexOf(el) !== -1 || o.isContainer(el);\n  }\n\n  function events (remove) {\n    var op = remove ? 'remove' : 'add';\n    touchy(documentElement, op, 'mousedown', grab);\n    touchy(documentElement, op, 'mouseup', release);\n  }\n\n  function eventualMovements (remove) {\n    var op = remove ? 'remove' : 'add';\n    touchy(documentElement, op, 'mousemove', startBecauseMouseMoved);\n  }\n\n  function movements (remove) {\n    var op = remove ? 'remove' : 'add';\n    crossvent[op](documentElement, 'selectstart', preventGrabbed); // IE8\n    crossvent[op](documentElement, 'click', preventGrabbed);\n  }\n\n  function destroy () {\n    events(true);\n    release({});\n  }\n\n  function preventGrabbed (e) {\n    if (_grabbed) {\n      e.preventDefault();\n    }\n  }\n\n  function grab (e) {\n    _moveX = e.clientX;\n    _moveY = e.clientY;\n\n    var ignore = whichMouseButton(e) !== 1 || e.metaKey || e.ctrlKey;\n    if (ignore) {\n      return; // we only care about honest-to-god left clicks and touch events\n    }\n    var item = e.target;\n    var context = canStart(item);\n    if (!context) {\n      return;\n    }\n    _grabbed = context;\n    eventualMovements();\n    if (e.type === 'mousedown') {\n      if (isInput(item)) { // see also: https://github.com/bevacqua/dragula/issues/208\n        item.focus(); // fixes https://github.com/bevacqua/dragula/issues/176\n      } else {\n        e.preventDefault(); // fixes https://github.com/bevacqua/dragula/issues/155\n      }\n    }\n  }\n\n  function startBecauseMouseMoved (e) {\n    if (!_grabbed) {\n      return;\n    }\n    if (whichMouseButton(e) === 0) {\n      release({});\n      return; // when text is selected on an input and then dragged, mouseup doesn't fire. this is our only hope\n    }\n    // truthy check fixes #239, equality fixes #207\n    if (e.clientX !== void 0 && e.clientX === _moveX && e.clientY !== void 0 && e.clientY === _moveY) {\n      return;\n    }\n    if (o.ignoreInputTextSelection) {\n      var clientX = getCoord('clientX', e);\n      var clientY = getCoord('clientY', e);\n      var elementBehindCursor = doc.elementFromPoint(clientX, clientY);\n      if (isInput(elementBehindCursor)) {\n        return;\n      }\n    }\n\n    var grabbed = _grabbed; // call to end() unsets _grabbed\n    eventualMovements(true);\n    movements();\n    end();\n    start(grabbed);\n\n    var offset = getOffset(_item);\n    _offsetX = getCoord('pageX', e) - offset.left;\n    _offsetY = getCoord('pageY', e) - offset.top;\n\n    classes.add(_copy || _item, 'gu-transit');\n    renderMirrorImage();\n    drag(e);\n  }\n\n  function canStart (item) {\n    if (drake.dragging && _mirror) {\n      return;\n    }\n    if (isContainer(item)) {\n      return; // don't drag container itself\n    }\n    var handle = item;\n    while (getParent(item) && isContainer(getParent(item)) === false) {\n      if (o.invalid(item, handle)) {\n        return;\n      }\n      item = getParent(item); // drag target should be a top element\n      if (!item) {\n        return;\n      }\n    }\n    var source = getParent(item);\n    if (!source) {\n      return;\n    }\n    if (o.invalid(item, handle)) {\n      return;\n    }\n\n    var movable = o.moves(item, source, handle, nextEl(item));\n    if (!movable) {\n      return;\n    }\n\n    return {\n      item: item,\n      source: source\n    };\n  }\n\n  function canMove (item) {\n    return !!canStart(item);\n  }\n\n  function manualStart (item) {\n    var context = canStart(item);\n    if (context) {\n      start(context);\n    }\n  }\n\n  function start (context) {\n    if (isCopy(context.item, context.source)) {\n      _copy = context.item.cloneNode(true);\n      drake.emit('cloned', _copy, context.item, 'copy');\n    }\n\n    _source = context.source;\n    _item = context.item;\n    _initialSibling = _currentSibling = nextEl(context.item);\n\n    drake.dragging = true;\n    drake.emit('drag', _item, _source);\n  }\n\n  function invalidTarget () {\n    return false;\n  }\n\n  function end () {\n    if (!drake.dragging) {\n      return;\n    }\n    var item = _copy || _item;\n    drop(item, getParent(item));\n  }\n\n  function ungrab () {\n    _grabbed = false;\n    eventualMovements(true);\n    movements(true);\n  }\n\n  function release (e) {\n    ungrab();\n\n    if (!drake.dragging) {\n      return;\n    }\n    var item = _copy || _item;\n    var clientX = getCoord('clientX', e);\n    var clientY = getCoord('clientY', e);\n    var elementBehindCursor = getElementBehindPoint(_mirror, clientX, clientY);\n    var dropTarget = findDropTarget(elementBehindCursor, clientX, clientY);\n    if (dropTarget && ((_copy && o.copySortSource) || (!_copy || dropTarget !== _source))) {\n      drop(item, dropTarget);\n    } else if (o.removeOnSpill) {\n      remove();\n    } else {\n      cancel();\n    }\n  }\n\n  function drop (item, target) {\n    var parent = getParent(item);\n    if (_copy && o.copySortSource && target === _source) {\n      parent.removeChild(_item);\n    }\n    if (isInitialPlacement(target)) {\n      drake.emit('cancel', item, _source, _source);\n    } else {\n      drake.emit('drop', item, target, _source, _currentSibling);\n    }\n    cleanup();\n  }\n\n  function remove () {\n    if (!drake.dragging) {\n      return;\n    }\n    var item = _copy || _item;\n    var parent = getParent(item);\n    if (parent) {\n      parent.removeChild(item);\n    }\n    drake.emit(_copy ? 'cancel' : 'remove', item, parent, _source);\n    cleanup();\n  }\n\n  function cancel (revert) {\n    if (!drake.dragging) {\n      return;\n    }\n    var reverts = arguments.length > 0 ? revert : o.revertOnSpill;\n    var item = _copy || _item;\n    var parent = getParent(item);\n    var initial = isInitialPlacement(parent);\n    if (initial === false && reverts) {\n      if (_copy) {\n        if (parent) {\n          parent.removeChild(_copy);\n        }\n      } else {\n        _source.insertBefore(item, _initialSibling);\n      }\n    }\n    if (initial || reverts) {\n      drake.emit('cancel', item, _source, _source);\n    } else {\n      drake.emit('drop', item, parent, _source, _currentSibling);\n    }\n    cleanup();\n  }\n\n  function cleanup () {\n    var item = _copy || _item;\n    ungrab();\n    removeMirrorImage();\n    if (item) {\n      classes.rm(item, 'gu-transit');\n    }\n    if (_renderTimer) {\n      clearTimeout(_renderTimer);\n    }\n    drake.dragging = false;\n    if (_lastDropTarget) {\n      drake.emit('out', item, _lastDropTarget, _source);\n    }\n    drake.emit('dragend', item);\n    _source = _item = _copy = _initialSibling = _currentSibling = _renderTimer = _lastDropTarget = null;\n  }\n\n  function isInitialPlacement (target, s) {\n    var sibling;\n    if (s !== void 0) {\n      sibling = s;\n    } else if (_mirror) {\n      sibling = _currentSibling;\n    } else {\n      sibling = nextEl(_copy || _item);\n    }\n    return target === _source && sibling === _initialSibling;\n  }\n\n  function findDropTarget (elementBehindCursor, clientX, clientY) {\n    var target = elementBehindCursor;\n    while (target && !accepted()) {\n      target = getParent(target);\n    }\n    return target;\n\n    function accepted () {\n      var droppable = isContainer(target);\n      if (droppable === false) {\n        return false;\n      }\n\n      var immediate = getImmediateChild(target, elementBehindCursor);\n      var reference = getReference(target, immediate, clientX, clientY);\n      var initial = isInitialPlacement(target, reference);\n      if (initial) {\n        return true; // should always be able to drop it right back where it was\n      }\n      return o.accepts(_item, target, _source, reference);\n    }\n  }\n\n  function drag (e) {\n    if (!_mirror) {\n      return;\n    }\n    e.preventDefault();\n\n    var clientX = getCoord('clientX', e);\n    var clientY = getCoord('clientY', e);\n    var x = clientX - _offsetX;\n    var y = clientY - _offsetY;\n\n    _mirror.style.left = x + 'px';\n    _mirror.style.top = y + 'px';\n\n    var item = _copy || _item;\n    var elementBehindCursor = getElementBehindPoint(_mirror, clientX, clientY);\n    var dropTarget = findDropTarget(elementBehindCursor, clientX, clientY);\n    var changed = dropTarget !== null && dropTarget !== _lastDropTarget;\n    if (changed || dropTarget === null) {\n      out();\n      _lastDropTarget = dropTarget;\n      over();\n    }\n    var parent = getParent(item);\n    if (dropTarget === _source && _copy && !o.copySortSource) {\n      if (parent) {\n        parent.removeChild(item);\n      }\n      return;\n    }\n    var reference;\n    var immediate = getImmediateChild(dropTarget, elementBehindCursor);\n    if (immediate !== null) {\n      reference = getReference(dropTarget, immediate, clientX, clientY);\n    } else if (o.revertOnSpill === true && !_copy) {\n      reference = _initialSibling;\n      dropTarget = _source;\n    } else {\n      if (_copy && parent) {\n        parent.removeChild(item);\n      }\n      return;\n    }\n    if (\n      (reference === null && changed) ||\n      reference !== item &&\n      reference !== nextEl(item)\n    ) {\n      _currentSibling = reference;\n      dropTarget.insertBefore(item, reference);\n      drake.emit('shadow', item, dropTarget, _source);\n    }\n    function moved (type) { drake.emit(type, item, _lastDropTarget, _source); }\n    function over () { if (changed) { moved('over'); } }\n    function out () { if (_lastDropTarget) { moved('out'); } }\n  }\n\n  function spillOver (el) {\n    classes.rm(el, 'gu-hide');\n  }\n\n  function spillOut (el) {\n    if (drake.dragging) { classes.add(el, 'gu-hide'); }\n  }\n\n  function renderMirrorImage () {\n    if (_mirror) {\n      return;\n    }\n    var rect = _item.getBoundingClientRect();\n    _mirror = _item.cloneNode(true);\n    _mirror.style.width = getRectWidth(rect) + 'px';\n    _mirror.style.height = getRectHeight(rect) + 'px';\n    classes.rm(_mirror, 'gu-transit');\n    classes.add(_mirror, 'gu-mirror');\n    o.mirrorContainer.appendChild(_mirror);\n    touchy(documentElement, 'add', 'mousemove', drag);\n    classes.add(o.mirrorContainer, 'gu-unselectable');\n    drake.emit('cloned', _mirror, _item, 'mirror');\n  }\n\n  function removeMirrorImage () {\n    if (_mirror) {\n      classes.rm(o.mirrorContainer, 'gu-unselectable');\n      touchy(documentElement, 'remove', 'mousemove', drag);\n      getParent(_mirror).removeChild(_mirror);\n      _mirror = null;\n    }\n  }\n\n  function getImmediateChild (dropTarget, target) {\n    var immediate = target;\n    while (immediate !== dropTarget && getParent(immediate) !== dropTarget) {\n      immediate = getParent(immediate);\n    }\n    if (immediate === documentElement) {\n      return null;\n    }\n    return immediate;\n  }\n\n  function getReference (dropTarget, target, x, y) {\n    var horizontal = o.direction === 'horizontal';\n    var reference = target !== dropTarget ? inside() : outside();\n    return reference;\n\n    function outside () { // slower, but able to figure out any position\n      var len = dropTarget.children.length;\n      var i;\n      var el;\n      var rect;\n      for (i = 0; i < len; i++) {\n        el = dropTarget.children[i];\n        rect = el.getBoundingClientRect();\n        if (horizontal && (rect.left + rect.width / 2) > x) { return el; }\n        if (!horizontal && (rect.top + rect.height / 2) > y) { return el; }\n      }\n      return null;\n    }\n\n    function inside () { // faster, but only available if dropped inside a child element\n      var rect = target.getBoundingClientRect();\n      if (horizontal) {\n        return resolve(x > rect.left + getRectWidth(rect) / 2);\n      }\n      return resolve(y > rect.top + getRectHeight(rect) / 2);\n    }\n\n    function resolve (after) {\n      return after ? nextEl(target) : target;\n    }\n  }\n\n  function isCopy (item, container) {\n    return typeof o.copy === 'boolean' ? o.copy : o.copy(item, container);\n  }\n}\n\nfunction touchy (el, op, type, fn) {\n  var touch = {\n    mouseup: 'touchend',\n    mousedown: 'touchstart',\n    mousemove: 'touchmove'\n  };\n  var pointers = {\n    mouseup: 'pointerup',\n    mousedown: 'pointerdown',\n    mousemove: 'pointermove'\n  };\n  var microsoft = {\n    mouseup: 'MSPointerUp',\n    mousedown: 'MSPointerDown',\n    mousemove: 'MSPointerMove'\n  };\n  if (global.navigator.pointerEnabled) {\n    crossvent[op](el, pointers[type], fn);\n  } else if (global.navigator.msPointerEnabled) {\n    crossvent[op](el, microsoft[type], fn);\n  } else {\n    crossvent[op](el, touch[type], fn);\n    crossvent[op](el, type, fn);\n  }\n}\n\nfunction whichMouseButton (e) {\n  if (e.touches !== void 0) { return e.touches.length; }\n  if (e.which !== void 0 && e.which !== 0) { return e.which; } // see https://github.com/bevacqua/dragula/issues/261\n  if (e.buttons !== void 0) { return e.buttons; }\n  var button = e.button;\n  if (button !== void 0) { // see https://github.com/jquery/jquery/blob/99e8ff1baa7ae341e94bb89c3e84570c7c3ad9ea/src/event.js#L573-L575\n    return button & 1 ? 1 : button & 2 ? 3 : (button & 4 ? 2 : 0);\n  }\n}\n\nfunction getOffset (el) {\n  var rect = el.getBoundingClientRect();\n  return {\n    left: rect.left + getScroll('scrollLeft', 'pageXOffset'),\n    top: rect.top + getScroll('scrollTop', 'pageYOffset')\n  };\n}\n\nfunction getScroll (scrollProp, offsetProp) {\n  if (typeof global[offsetProp] !== 'undefined') {\n    return global[offsetProp];\n  }\n  if (documentElement.clientHeight) {\n    return documentElement[scrollProp];\n  }\n  return doc.body[scrollProp];\n}\n\nfunction getElementBehindPoint (point, x, y) {\n  var p = point || {};\n  var state = p.className;\n  var el;\n  p.className += ' gu-hide';\n  el = doc.elementFromPoint(x, y);\n  p.className = state;\n  return el;\n}\n\nfunction never () { return false; }\nfunction always () { return true; }\nfunction getRectWidth (rect) { return rect.width || (rect.right - rect.left); }\nfunction getRectHeight (rect) { return rect.height || (rect.bottom - rect.top); }\nfunction getParent (el) { return el.parentNode === doc ? null : el.parentNode; }\nfunction isInput (el) { return el.tagName === 'INPUT' || el.tagName === 'TEXTAREA' || el.tagName === 'SELECT' || isEditable(el); }\nfunction isEditable (el) {\n  if (!el) { return false; } // no parents were editable\n  if (el.contentEditable === 'false') { return false; } // stop the lookup\n  if (el.contentEditable === 'true') { return true; } // found a contentEditable element in the chain\n  return isEditable(getParent(el)); // contentEditable is set to 'inherit'\n}\n\nfunction nextEl (el) {\n  return el.nextElementSibling || manually();\n  function manually () {\n    var sibling = el;\n    do {\n      sibling = sibling.nextSibling;\n    } while (sibling && sibling.nodeType !== 1);\n    return sibling;\n  }\n}\n\nfunction getEventHost (e) {\n  // on touchend event, we have to use `e.changedTouches`\n  // see http://stackoverflow.com/questions/7192563/touchend-event-properties\n  // see https://github.com/bevacqua/dragula/issues/34\n  if (e.targetTouches && e.targetTouches.length) {\n    return e.targetTouches[0];\n  }\n  if (e.changedTouches && e.changedTouches.length) {\n    return e.changedTouches[0];\n  }\n  return e;\n}\n\nfunction getCoord (coord, e) {\n  var host = getEventHost(e);\n  var missMap = {\n    pageX: 'clientX', // IE8\n    pageY: 'clientY' // IE8\n  };\n  if (coord in missMap && !(coord in host) && missMap[coord] in host) {\n    coord = missMap[coord];\n  }\n  return host[coord];\n}\n\nmodule.exports = dragula;\n","module.exports = function atoa (a, n) { return Array.prototype.slice.call(a, n); }\n","'use strict';\n\nvar ticky = require('ticky');\n\nmodule.exports = function debounce (fn, args, ctx) {\n  if (!fn) { return; }\n  ticky(function run () {\n    fn.apply(ctx || null, args || []);\n  });\n};\n","'use strict';\n\nvar atoa = require('atoa');\nvar debounce = require('./debounce');\n\nmodule.exports = function emitter (thing, options) {\n  var opts = options || {};\n  var evt = {};\n  if (thing === undefined) { thing = {}; }\n  thing.on = function (type, fn) {\n    if (!evt[type]) {\n      evt[type] = [fn];\n    } else {\n      evt[type].push(fn);\n    }\n    return thing;\n  };\n  thing.once = function (type, fn) {\n    fn._once = true; // thing.off(fn) still works!\n    thing.on(type, fn);\n    return thing;\n  };\n  thing.off = function (type, fn) {\n    var c = arguments.length;\n    if (c === 1) {\n      delete evt[type];\n    } else if (c === 0) {\n      evt = {};\n    } else {\n      var et = evt[type];\n      if (!et) { return thing; }\n      et.splice(et.indexOf(fn), 1);\n    }\n    return thing;\n  };\n  thing.emit = function () {\n    var args = atoa(arguments);\n    return thing.emitterSnapshot(args.shift()).apply(this, args);\n  };\n  thing.emitterSnapshot = function (type) {\n    var et = (evt[type] || []).slice(0);\n    return function () {\n      var args = atoa(arguments);\n      var ctx = this || thing;\n      if (type === 'error' && opts.throws !== false && !et.length) { throw args.length === 1 ? args[0] : args; }\n      et.forEach(function emitter (listen) {\n        if (opts.async) { debounce(listen, args, ctx); } else { listen.apply(ctx, args); }\n        if (listen._once) { thing.off(type, listen); }\n      });\n      return thing;\n    };\n  };\n  return thing;\n};\n","'use strict';\n\nvar customEvent = require('custom-event');\nvar eventmap = require('./eventmap');\nvar doc = global.document;\nvar addEvent = addEventEasy;\nvar removeEvent = removeEventEasy;\nvar hardCache = [];\n\nif (!global.addEventListener) {\n  addEvent = addEventHard;\n  removeEvent = removeEventHard;\n}\n\nmodule.exports = {\n  add: addEvent,\n  remove: removeEvent,\n  fabricate: fabricateEvent\n};\n\nfunction addEventEasy (el, type, fn, capturing) {\n  return el.addEventListener(type, fn, capturing);\n}\n\nfunction addEventHard (el, type, fn) {\n  return el.attachEvent('on' + type, wrap(el, type, fn));\n}\n\nfunction removeEventEasy (el, type, fn, capturing) {\n  return el.removeEventListener(type, fn, capturing);\n}\n\nfunction removeEventHard (el, type, fn) {\n  var listener = unwrap(el, type, fn);\n  if (listener) {\n    return el.detachEvent('on' + type, listener);\n  }\n}\n\nfunction fabricateEvent (el, type, model) {\n  var e = eventmap.indexOf(type) === -1 ? makeCustomEvent() : makeClassicEvent();\n  if (el.dispatchEvent) {\n    el.dispatchEvent(e);\n  } else {\n    el.fireEvent('on' + type, e);\n  }\n  function makeClassicEvent () {\n    var e;\n    if (doc.createEvent) {\n      e = doc.createEvent('Event');\n      e.initEvent(type, true, true);\n    } else if (doc.createEventObject) {\n      e = doc.createEventObject();\n    }\n    return e;\n  }\n  function makeCustomEvent () {\n    return new customEvent(type, { detail: model });\n  }\n}\n\nfunction wrapperFactory (el, type, fn) {\n  return function wrapper (originalEvent) {\n    var e = originalEvent || global.event;\n    e.target = e.target || e.srcElement;\n    e.preventDefault = e.preventDefault || function preventDefault () { e.returnValue = false; };\n    e.stopPropagation = e.stopPropagation || function stopPropagation () { e.cancelBubble = true; };\n    e.which = e.which || e.keyCode;\n    fn.call(el, e);\n  };\n}\n\nfunction wrap (el, type, fn) {\n  var wrapper = unwrap(el, type, fn) || wrapperFactory(el, type, fn);\n  hardCache.push({\n    wrapper: wrapper,\n    element: el,\n    type: type,\n    fn: fn\n  });\n  return wrapper;\n}\n\nfunction unwrap (el, type, fn) {\n  var i = find(el, type, fn);\n  if (i) {\n    var wrapper = hardCache[i].wrapper;\n    hardCache.splice(i, 1); // free up a tad of memory\n    return wrapper;\n  }\n}\n\nfunction find (el, type, fn) {\n  var i, item;\n  for (i = 0; i < hardCache.length; i++) {\n    item = hardCache[i];\n    if (item.element === el && item.type === type && item.fn === fn) {\n      return i;\n    }\n  }\n}\n","'use strict';\n\nvar eventmap = [];\nvar eventname = '';\nvar ron = /^on/;\n\nfor (eventname in global) {\n  if (ron.test(eventname)) {\n    eventmap.push(eventname.slice(2));\n  }\n}\n\nmodule.exports = eventmap;\n","\nvar NativeCustomEvent = global.CustomEvent;\n\nfunction useNative () {\n  try {\n    var p = new NativeCustomEvent('cat', { detail: { foo: 'bar' } });\n    return  'cat' === p.type && 'bar' === p.detail.foo;\n  } catch (e) {\n  }\n  return false;\n}\n\n/**\n * Cross-browser `CustomEvent` constructor.\n *\n * https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent.CustomEvent\n *\n * @public\n */\n\nmodule.exports = useNative() ? 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e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})","'use strict';\r\n\r\nvar cache = {};\r\nvar start = '(?:^|\\\\s)';\r\nvar end = '(?:\\\\s|$)';\r\n\r\nfunction lookupClass (className) {\r\n  var cached = cache[className];\r\n  if (cached) {\r\n    cached.lastIndex = 0;\r\n  } else {\r\n    cache[className] = cached = new RegExp(start + className + end, 'g');\r\n  }\r\n  return cached;\r\n}\r\n\r\nfunction addClass (el, className) {\r\n  var current = el.className;\r\n  if (!current.length) {\r\n    el.className = className;\r\n  } else if (!lookupClass(className).test(current)) {\r\n    el.className += ' ' + className;\r\n  }\r\n}\r\n\r\nfunction rmClass (el, className) {\r\n  el.className = el.className.replace(lookupClass(className), ' ').trim();\r\n}\r\n\r\nmodule.exports = {\r\n  add: addClass,\r\n  rm: rmClass\r\n};\r\n","'use strict';\r\n\r\nvar emitter = require('contra/emitter');\r\nvar crossvent = require('crossvent');\r\nvar classes = require('./classes');\r\nvar doc = document;\r\nvar documentElement = doc.documentElement;\r\n\r\nfunction dragula (initialContainers, options) {\r\n  var len = arguments.length;\r\n  if (len === 1 && Array.isArray(initialContainers) === false) {\r\n    options = initialContainers;\r\n    initialContainers = [];\r\n  }\r\n  var _mirror; // mirror image\r\n  var _source; // source container\r\n  var _item; // item being dragged\r\n  var _offsetX; // reference x\r\n  var _offsetY; // reference y\r\n  var _moveX; // reference move x\r\n  var _moveY; // reference move y\r\n  var _initialSibling; // reference sibling when grabbed\r\n  var _currentSibling; // reference sibling now\r\n  var _copy; // item used for copying\r\n  var _renderTimer; // timer for setTimeout renderMirrorImage\r\n  var _lastDropTarget = null; // last container item was over\r\n  var _grabbed; // holds mousedown context until first mousemove\r\n\r\n  var o = options || {};\r\n  if (o.moves === void 0) { o.moves = always; }\r\n  if (o.accepts === void 0) { o.accepts = always; }\r\n  if (o.invalid === void 0) { o.invalid = invalidTarget; }\r\n  if (o.containers === void 0) { o.containers = initialContainers || []; }\r\n  if (o.isContainer === void 0) { o.isContainer = never; }\r\n  if (o.copy === void 0) { o.copy = false; }\r\n  if (o.copySortSource === void 0) { o.copySortSource = false; }\r\n  if (o.revertOnSpill === void 0) { o.revertOnSpill = false; }\r\n  if (o.removeOnSpill === void 0) { o.removeOnSpill = false; }\r\n  if (o.direction === void 0) { o.direction = 'vertical'; }\r\n  if (o.ignoreInputTextSelection === void 0) { o.ignoreInputTextSelection = true; }\r\n  if (o.mirrorContainer === void 0) { o.mirrorContainer = doc.body; }\r\n\r\n  var drake = emitter({\r\n    containers: o.containers,\r\n    start: manualStart,\r\n    end: end,\r\n    cancel: cancel,\r\n    remove: remove,\r\n    destroy: destroy,\r\n    canMove: canMove,\r\n    dragging: false\r\n  });\r\n\r\n  if (o.removeOnSpill === true) {\r\n    drake.on('over', spillOver).on('out', spillOut);\r\n  }\r\n\r\n  events();\r\n\r\n  return drake;\r\n\r\n  function isContainer (el) {\r\n    return drake.containers.indexOf(el) !== -1 || o.isContainer(el);\r\n  }\r\n\r\n  function events (remove) {\r\n    var op = remove ? 'remove' : 'add';\r\n    touchy(documentElement, op, 'mousedown', grab);\r\n    touchy(documentElement, op, 'mouseup', release);\r\n  }\r\n\r\n  function eventualMovements (remove) {\r\n    var op = remove ? 'remove' : 'add';\r\n    touchy(documentElement, op, 'mousemove', startBecauseMouseMoved);\r\n  }\r\n\r\n  function movements (remove) {\r\n    var op = remove ? 'remove' : 'add';\r\n    crossvent[op](documentElement, 'selectstart', preventGrabbed); // IE8\r\n    crossvent[op](documentElement, 'click', preventGrabbed);\r\n  }\r\n\r\n  function destroy () {\r\n    events(true);\r\n    release({clientX: -1, clientY: -1});\r\n  }\r\n\r\n  function preventGrabbed (e) {\r\n    if (_grabbed) {\r\n      e.preventDefault();\r\n    }\r\n  }\r\n\r\n  function grab (e) {\r\n    _moveX = e.clientX;\r\n    _moveY = e.clientY;\r\n\r\n    var ignore = whichMouseButton(e) !== 1 || e.metaKey || e.ctrlKey;\r\n    if (ignore) {\r\n      return; // we only care about honest-to-god left clicks and touch events\r\n    }\r\n    var item = e.target;\r\n    var context = canStart(item);\r\n    if (!context) {\r\n      return;\r\n    }\r\n    _grabbed = context;\r\n    eventualMovements();\r\n    if (e.type === 'mousedown') {\r\n      if (isInput(item)) { // see also: https://github.com/bevacqua/dragula/issues/208\r\n        item.focus(); // fixes https://github.com/bevacqua/dragula/issues/176\r\n      } else {\r\n        e.preventDefault(); // fixes https://github.com/bevacqua/dragula/issues/155\r\n      }\r\n    }\r\n  }\r\n\r\n  function startBecauseMouseMoved (e) {\r\n    if (!_grabbed) {\r\n      return;\r\n    }\r\n    if (whichMouseButton(e) === 0) {\r\n      release({});\r\n      return; // when text is selected on an input and then dragged, mouseup doesn't fire. this is our only hope\r\n    }\r\n    // truthy check fixes #239, equality fixes #207\r\n    if (e.clientX !== void 0 && e.clientX === _moveX && e.clientY !== void 0 && e.clientY === _moveY) {\r\n      return;\r\n    }\r\n    if (o.ignoreInputTextSelection) {\r\n      var clientX = getCoord('clientX', e);\r\n      var clientY = getCoord('clientY', e);\r\n      var elementBehindCursor = doc.elementFromPoint(clientX, clientY);\r\n      if (isInput(elementBehindCursor)) {\r\n        return;\r\n      }\r\n    }\r\n\r\n    var grabbed = _grabbed; // call to end() unsets _grabbed\r\n    eventualMovements(true);\r\n    movements();\r\n    end();\r\n    start(grabbed);\r\n\r\n    var offset = getOffset(_item);\r\n    _offsetX = getCoord('pageX', e) - offset.left;\r\n    _offsetY = getCoord('pageY', e) - offset.top;\r\n\r\n    classes.add(_copy || _item, 'gu-transit');\r\n    renderMirrorImage();\r\n    drag(e);\r\n  }\r\n\r\n  function canStart (item) {\r\n    if (drake.dragging && _mirror) {\r\n      return;\r\n    }\r\n    if (isContainer(item)) {\r\n      return; // don't drag container itself\r\n    }\r\n    var handle = item;\r\n    while (getParent(item) && isContainer(getParent(item)) === false) {\r\n      if (o.invalid(item, handle)) {\r\n        return;\r\n      }\r\n      item = getParent(item); // drag target should be a top element\r\n      if (!item) {\r\n        return;\r\n      }\r\n    }\r\n    var source = getParent(item);\r\n    if (!source) {\r\n      return;\r\n    }\r\n    if (o.invalid(item, handle)) {\r\n      return;\r\n    }\r\n\r\n    var movable = o.moves(item, source, handle, nextEl(item));\r\n    if (!movable) {\r\n      return;\r\n    }\r\n\r\n    return {\r\n      item: item,\r\n      source: source\r\n    };\r\n  }\r\n\r\n  function canMove (item) {\r\n    return !!canStart(item);\r\n  }\r\n\r\n  function manualStart (item) {\r\n    var context = canStart(item);\r\n    if (context) {\r\n      start(context);\r\n    }\r\n  }\r\n\r\n  function start (context) {\r\n    if (isCopy(context.item, context.source)) {\r\n      _copy = context.item.cloneNode(true);\r\n      drake.emit('cloned', _copy, context.item, 'copy');\r\n    }\r\n\r\n    _source = context.source;\r\n    _item = context.item;\r\n    _initialSibling = _currentSibling = nextEl(context.item);\r\n\r\n    drake.dragging = true;\r\n    drake.emit('drag', _item, _source);\r\n  }\r\n\r\n  function invalidTarget () {\r\n    return false;\r\n  }\r\n\r\n  function end () {\r\n    if (!drake.dragging) {\r\n      return;\r\n    }\r\n    var item = _copy || _item;\r\n    drop(item, getParent(item));\r\n  }\r\n\r\n  function ungrab () {\r\n    _grabbed = false;\r\n    eventualMovements(true);\r\n    movements(true);\r\n  }\r\n\r\n  function release (e) {\r\n    ungrab();\r\n\r\n    if (!drake.dragging) {\r\n      return;\r\n    }\r\n    var item = _copy || _item;\r\n    var clientX = getCoord('clientX', e);\r\n    var clientY = getCoord('clientY', e);\r\n    var elementBehindCursor = getElementBehindPoint(_mirror, clientX, clientY);\r\n    var dropTarget = findDropTarget(elementBehindCursor, clientX, clientY);\r\n    if (dropTarget && ((_copy && o.copySortSource) || (!_copy || dropTarget !== _source))) {\r\n      drop(item, dropTarget);\r\n    } else if (o.removeOnSpill) {\r\n      remove();\r\n    } else {\r\n      cancel();\r\n    }\r\n  }\r\n\r\n  function drop (item, target) {\r\n    var parent = getParent(item);\r\n    if (_copy && o.copySortSource && target === _source) {\r\n      parent.removeChild(_item);\r\n    }\r\n    if (isInitialPlacement(target)) {\r\n      drake.emit('cancel', item, _source, _source);\r\n    } else {\r\n      drake.emit('drop', item, target, _source, _currentSibling);\r\n    }\r\n    cleanup();\r\n  }\r\n\r\n  function remove () {\r\n    if (!drake.dragging) {\r\n      return;\r\n    }\r\n    var item = _copy || _item;\r\n    var parent = getParent(item);\r\n    if (parent) {\r\n      parent.removeChild(item);\r\n    }\r\n    drake.emit(_copy ? 'cancel' : 'remove', item, parent, _source);\r\n    cleanup();\r\n  }\r\n\r\n  function cancel (revert) {\r\n    if (!drake.dragging) {\r\n      return;\r\n    }\r\n    var reverts = arguments.length > 0 ? revert : o.revertOnSpill;\r\n    var item = _copy || _item;\r\n    var parent = getParent(item);\r\n    var initial = isInitialPlacement(parent);\r\n    if (initial === false && reverts) {\r\n      if (_copy) {\r\n        if (parent) {\r\n          parent.removeChild(_copy);\r\n        }\r\n      } else {\r\n        _source.insertBefore(item, _initialSibling);\r\n      }\r\n    }\r\n    if (initial || reverts) {\r\n      drake.emit('cancel', item, _source, _source);\r\n    } else {\r\n      drake.emit('drop', item, parent, _source, _currentSibling);\r\n    }\r\n    cleanup();\r\n  }\r\n\r\n  function cleanup () {\r\n    var item = _copy || _item;\r\n    ungrab();\r\n    removeMirrorImage();\r\n    if (item) {\r\n      classes.rm(item, 'gu-transit');\r\n    }\r\n    if (_renderTimer) {\r\n      clearTimeout(_renderTimer);\r\n    }\r\n    drake.dragging = false;\r\n    if (_lastDropTarget) {\r\n      drake.emit('out', item, _lastDropTarget, _source);\r\n    }\r\n    drake.emit('dragend', item);\r\n    _source = _item = _copy = _initialSibling = _currentSibling = _renderTimer = _lastDropTarget = null;\r\n  }\r\n\r\n  function isInitialPlacement (target, s) {\r\n    var sibling;\r\n    if (s !== void 0) {\r\n      sibling = s;\r\n    } else if (_mirror) {\r\n      sibling = _currentSibling;\r\n    } else {\r\n      sibling = nextEl(_copy || _item);\r\n    }\r\n    return target === _source && sibling === _initialSibling;\r\n  }\r\n\r\n  function findDropTarget (elementBehindCursor, clientX, clientY) {\r\n    var target = elementBehindCursor;\r\n    while (target && !accepted()) {\r\n      target = getParent(target);\r\n    }\r\n    return target;\r\n\r\n    function accepted () {\r\n      var droppable = isContainer(target);\r\n      if (droppable === false) {\r\n        return false;\r\n      }\r\n\r\n      var immediate = getImmediateChild(target, elementBehindCursor);\r\n      var reference = getReference(target, immediate, clientX, clientY);\r\n      var initial = isInitialPlacement(target, reference);\r\n      if (initial) {\r\n        return true; // should always be able to drop it right back where it was\r\n      }\r\n      return o.accepts(_item, target, _source, reference);\r\n    }\r\n  }\r\n\r\n  function drag (e) {\r\n    if (!_mirror) {\r\n      return;\r\n    }\r\n    e.preventDefault();\r\n\r\n    var clientX = getCoord('clientX', e);\r\n    var clientY = getCoord('clientY', e);\r\n    var x = clientX - _offsetX;\r\n    var y = clientY - _offsetY;\r\n\r\n    _mirror.style.left = x + 'px';\r\n    _mirror.style.top = y + 'px';\r\n\r\n    var item = _copy || _item;\r\n    var elementBehindCursor = getElementBehindPoint(_mirror, clientX, clientY);\r\n    var dropTarget = findDropTarget(elementBehindCursor, clientX, clientY);\r\n    var changed = dropTarget !== null && dropTarget !== _lastDropTarget;\r\n    if (changed || dropTarget === null) {\r\n      out();\r\n      _lastDropTarget = dropTarget;\r\n      over();\r\n    }\r\n    var parent = getParent(item);\r\n    if (dropTarget === _source && _copy && !o.copySortSource) {\r\n      if (parent) {\r\n        parent.removeChild(item);\r\n      }\r\n      return;\r\n    }\r\n    var reference;\r\n    var immediate = getImmediateChild(dropTarget, elementBehindCursor);\r\n    if (immediate !== null) {\r\n      reference = getReference(dropTarget, immediate, clientX, clientY);\r\n    } else if (o.revertOnSpill === true && !_copy) {\r\n      reference = _initialSibling;\r\n      dropTarget = _source;\r\n    } else {\r\n      if (_copy && parent) {\r\n        parent.removeChild(item);\r\n      }\r\n      return;\r\n    }\r\n    if (\r\n      (reference === null && changed) ||\r\n      reference !== item &&\r\n      reference !== nextEl(item)\r\n    ) {\r\n      _currentSibling = reference;\r\n      dropTarget.insertBefore(item, reference);\r\n      drake.emit('shadow', item, dropTarget, _source);\r\n    }\r\n    function moved (type) { drake.emit(type, item, _lastDropTarget, _source); }\r\n    function over () { if (changed) { moved('over'); } }\r\n    function out () { if (_lastDropTarget) { moved('out'); } }\r\n  }\r\n\r\n  function spillOver (el) {\r\n    classes.rm(el, 'gu-hide');\r\n  }\r\n\r\n  function spillOut (el) {\r\n    if (drake.dragging) { classes.add(el, 'gu-hide'); }\r\n  }\r\n\r\n  function renderMirrorImage () {\r\n    if (_mirror) {\r\n      return;\r\n    }\r\n    var rect = _item.getBoundingClientRect();\r\n    _mirror = _item.cloneNode(true);\r\n    _mirror.style.width = getRectWidth(rect) + 'px';\r\n    _mirror.style.height = getRectHeight(rect) + 'px';\r\n    classes.rm(_mirror, 'gu-transit');\r\n    classes.add(_mirror, 'gu-mirror');\r\n    o.mirrorContainer.appendChild(_mirror);\r\n    touchy(documentElement, 'add', 'mousemove', drag);\r\n    classes.add(o.mirrorContainer, 'gu-unselectable');\r\n    drake.emit('cloned', _mirror, _item, 'mirror');\r\n  }\r\n\r\n  function removeMirrorImage () {\r\n    if (_mirror) {\r\n      classes.rm(o.mirrorContainer, 'gu-unselectable');\r\n      touchy(documentElement, 'remove', 'mousemove', drag);\r\n      getParent(_mirror).removeChild(_mirror);\r\n      _mirror = null;\r\n    }\r\n  }\r\n\r\n  function getImmediateChild (dropTarget, target) {\r\n    var immediate = target;\r\n    while (immediate !== dropTarget && getParent(immediate) !== dropTarget) {\r\n      immediate = getParent(immediate);\r\n    }\r\n    if (immediate === documentElement) {\r\n      return null;\r\n    }\r\n    return immediate;\r\n  }\r\n\r\n  function getReference (dropTarget, target, x, y) {\r\n    var horizontal = o.direction === 'horizontal';\r\n    var reference = target !== dropTarget ? inside() : outside();\r\n    return reference;\r\n\r\n    function outside () { // slower, but able to figure out any position\r\n      var len = dropTarget.children.length;\r\n      var i;\r\n      var el;\r\n      var rect;\r\n      for (i = 0; i < len; i++) {\r\n        el = dropTarget.children[i];\r\n        rect = el.getBoundingClientRect();\r\n        if (horizontal && (rect.left + rect.width / 2) > x) { return el; }\r\n        if (!horizontal && (rect.top + rect.height / 2) > y) { return el; }\r\n      }\r\n      return null;\r\n    }\r\n\r\n    function inside () { // faster, but only available if dropped inside a child element\r\n      var rect = target.getBoundingClientRect();\r\n      if (horizontal) {\r\n        return resolve(x > rect.left + getRectWidth(rect) / 2);\r\n      }\r\n      return resolve(y > rect.top + getRectHeight(rect) / 2);\r\n    }\r\n\r\n    function resolve (after) {\r\n      return after ? nextEl(target) : target;\r\n    }\r\n  }\r\n\r\n  function isCopy (item, container) {\r\n    return typeof o.copy === 'boolean' ? o.copy : o.copy(item, container);\r\n  }\r\n}\r\n\r\nfunction touchy (el, op, type, fn) {\r\n  var touch = {\r\n    mouseup: 'touchend',\r\n    mousedown: 'touchstart',\r\n    mousemove: 'touchmove'\r\n  };\r\n  var pointers = {\r\n    mouseup: 'pointerup',\r\n    mousedown: 'pointerdown',\r\n    mousemove: 'pointermove'\r\n  };\r\n  var microsoft = {\r\n    mouseup: 'MSPointerUp',\r\n    mousedown: 'MSPointerDown',\r\n    mousemove: 'MSPointerMove'\r\n  };\r\n  if (global.navigator.pointerEnabled) {\r\n    crossvent[op](el, pointers[type], fn);\r\n  } else if (global.navigator.msPointerEnabled) {\r\n    crossvent[op](el, microsoft[type], fn);\r\n  } else {\r\n    crossvent[op](el, touch[type], fn);\r\n    crossvent[op](el, type, fn);\r\n  }\r\n}\r\n\r\nfunction whichMouseButton (e) {\r\n  if (e.touches !== void 0) { return e.touches.length; }\r\n  if (e.which !== void 0 && e.which !== 0) { return e.which; } // see https://github.com/bevacqua/dragula/issues/261\r\n  if (e.buttons !== void 0) { return e.buttons; }\r\n  var button = e.button;\r\n  if (button !== void 0) { // see https://github.com/jquery/jquery/blob/99e8ff1baa7ae341e94bb89c3e84570c7c3ad9ea/src/event.js#L573-L575\r\n    return button & 1 ? 1 : button & 2 ? 3 : (button & 4 ? 2 : 0);\r\n  }\r\n}\r\n\r\nfunction getOffset (el) {\r\n  var rect = el.getBoundingClientRect();\r\n  return {\r\n    left: rect.left + getScroll('scrollLeft', 'pageXOffset'),\r\n    top: rect.top + getScroll('scrollTop', 'pageYOffset')\r\n  };\r\n}\r\n\r\nfunction getScroll (scrollProp, offsetProp) {\r\n  if (typeof global[offsetProp] !== 'undefined') {\r\n    return global[offsetProp];\r\n  }\r\n  if (documentElement.clientHeight) {\r\n    return documentElement[scrollProp];\r\n  }\r\n  return doc.body[scrollProp];\r\n}\r\n\r\nfunction getElementBehindPoint (point, x, y) {\r\n  var p = point || {};\r\n  var state = p.className;\r\n  var el;\r\n  p.className += ' gu-hide';\r\n  el = doc.elementFromPoint(x, y);\r\n  p.className = state;\r\n  return el;\r\n}\r\n\r\nfunction never () { return false; }\r\nfunction always () { return true; }\r\nfunction getRectWidth (rect) { return rect.width || (rect.right - rect.left); }\r\nfunction getRectHeight (rect) { return rect.height || (rect.bottom - rect.top); }\r\nfunction getParent (el) { return el.parentNode === doc ? null : el.parentNode; }\r\nfunction isInput (el) { return el.tagName === 'INPUT' || el.tagName === 'TEXTAREA' || el.tagName === 'SELECT' || isEditable(el); }\r\nfunction isEditable (el) {\r\n  if (!el) { return false; } // no parents were editable\r\n  if (el.contentEditable === 'false') { return false; } // stop the lookup\r\n  if (el.contentEditable === 'true') { return true; } // found a contentEditable element in the chain\r\n  return isEditable(getParent(el)); // contentEditable is set to 'inherit'\r\n}\r\n\r\nfunction nextEl (el) {\r\n  return el.nextElementSibling || manually();\r\n  function manually () {\r\n    var sibling = el;\r\n    do {\r\n      sibling = sibling.nextSibling;\r\n    } while (sibling && sibling.nodeType !== 1);\r\n    return sibling;\r\n  }\r\n}\r\n\r\nfunction getEventHost (e) {\r\n  // on touchend event, we have to use `e.changedTouches`\r\n  // see http://stackoverflow.com/questions/7192563/touchend-event-properties\r\n  // see https://github.com/bevacqua/dragula/issues/34\r\n  if (e.targetTouches && e.targetTouches.length) {\r\n    return e.targetTouches[0];\r\n  }\r\n  if (e.changedTouches && e.changedTouches.length) {\r\n    return e.changedTouches[0];\r\n  }\r\n  return e;\r\n}\r\n\r\nfunction getCoord (coord, e) {\r\n  var host = getEventHost(e);\r\n  var missMap = {\r\n    pageX: 'clientX', // IE8\r\n    pageY: 'clientY' // IE8\r\n  };\r\n  if (coord in missMap && !(coord in host) && missMap[coord] in host) {\r\n    coord = missMap[coord];\r\n  }\r\n  return host[coord];\r\n}\r\n\r\nmodule.exports = dragula;\r\n","module.exports = function atoa (a, n) { return Array.prototype.slice.call(a, n); }\n","'use strict';\n\nvar ticky = require('ticky');\n\nmodule.exports = function debounce (fn, args, ctx) {\n  if (!fn) { return; }\n  ticky(function run () {\n    fn.apply(ctx || null, args || []);\n  });\n};\n","'use strict';\n\nvar atoa = require('atoa');\nvar debounce = require('./debounce');\n\nmodule.exports = function emitter (thing, options) {\n  var opts = options || {};\n  var evt = {};\n  if (thing === undefined) { thing = {}; }\n  thing.on = function (type, fn) {\n    if (!evt[type]) {\n      evt[type] = [fn];\n    } else {\n      evt[type].push(fn);\n    }\n    return thing;\n  };\n  thing.once = function (type, fn) {\n    fn._once = true; // thing.off(fn) still works!\n    thing.on(type, fn);\n    return thing;\n  };\n  thing.off = function (type, fn) {\n    var c = arguments.length;\n    if (c === 1) {\n      delete evt[type];\n    } else if (c === 0) {\n      evt = {};\n    } else {\n      var et = evt[type];\n      if (!et) { return thing; }\n      et.splice(et.indexOf(fn), 1);\n    }\n    return thing;\n  };\n  thing.emit = function () {\n    var args = atoa(arguments);\n    return thing.emitterSnapshot(args.shift()).apply(this, args);\n  };\n  thing.emitterSnapshot = function (type) {\n    var et = (evt[type] || []).slice(0);\n    return function () {\n      var args = atoa(arguments);\n      var ctx = this || thing;\n      if (type === 'error' && opts.throws !== false && !et.length) { throw args.length === 1 ? args[0] : args; }\n      et.forEach(function emitter (listen) {\n        if (opts.async) { debounce(listen, args, ctx); } else { listen.apply(ctx, args); }\n        if (listen._once) { thing.off(type, listen); }\n      });\n      return thing;\n    };\n  };\n  return thing;\n};\n","'use strict';\n\nvar customEvent = require('custom-event');\nvar eventmap = require('./eventmap');\nvar doc = global.document;\nvar addEvent = addEventEasy;\nvar removeEvent = removeEventEasy;\nvar hardCache = [];\n\nif (!global.addEventListener) {\n  addEvent = addEventHard;\n  removeEvent = removeEventHard;\n}\n\nmodule.exports = {\n  add: addEvent,\n  remove: removeEvent,\n  fabricate: fabricateEvent\n};\n\nfunction addEventEasy (el, type, fn, capturing) {\n  return el.addEventListener(type, fn, capturing);\n}\n\nfunction addEventHard (el, type, fn) {\n  return el.attachEvent('on' + type, wrap(el, type, fn));\n}\n\nfunction removeEventEasy (el, type, fn, capturing) {\n  return el.removeEventListener(type, fn, capturing);\n}\n\nfunction removeEventHard (el, type, fn) {\n  var listener = unwrap(el, type, fn);\n  if (listener) {\n    return el.detachEvent('on' + type, listener);\n  }\n}\n\nfunction fabricateEvent (el, type, model) {\n  var e = eventmap.indexOf(type) === -1 ? makeCustomEvent() : makeClassicEvent();\n  if (el.dispatchEvent) {\n    el.dispatchEvent(e);\n  } else {\n    el.fireEvent('on' + type, e);\n  }\n  function makeClassicEvent () {\n    var e;\n    if (doc.createEvent) {\n      e = doc.createEvent('Event');\n      e.initEvent(type, true, true);\n    } else if (doc.createEventObject) {\n      e = doc.createEventObject();\n    }\n    return e;\n  }\n  function makeCustomEvent () {\n    return new customEvent(type, { detail: model });\n  }\n}\n\nfunction wrapperFactory (el, type, fn) {\n  return function wrapper (originalEvent) {\n    var e = originalEvent || global.event;\n    e.target = e.target || e.srcElement;\n    e.preventDefault = e.preventDefault || function preventDefault () { e.returnValue = false; };\n    e.stopPropagation = e.stopPropagation || function stopPropagation () { e.cancelBubble = true; };\n    e.which = e.which || e.keyCode;\n    fn.call(el, e);\n  };\n}\n\nfunction wrap (el, type, fn) {\n  var wrapper = unwrap(el, type, fn) || wrapperFactory(el, type, fn);\n  hardCache.push({\n    wrapper: wrapper,\n    element: el,\n    type: type,\n    fn: fn\n  });\n  return wrapper;\n}\n\nfunction unwrap (el, type, fn) {\n  var i = find(el, type, fn);\n  if (i) {\n    var wrapper = hardCache[i].wrapper;\n    hardCache.splice(i, 1); // free up a tad of memory\n    return wrapper;\n  }\n}\n\nfunction find (el, type, fn) {\n  var i, item;\n  for (i = 0; i < hardCache.length; i++) {\n    item = hardCache[i];\n    if (item.element === el && item.type === type && item.fn === fn) {\n      return i;\n    }\n  }\n}\n","'use strict';\n\nvar eventmap = [];\nvar eventname = '';\nvar ron = /^on/;\n\nfor (eventname in global) {\n  if (ron.test(eventname)) {\n    eventmap.push(eventname.slice(2));\n  }\n}\n\nmodule.exports = eventmap;\n","\nvar NativeCustomEvent = global.CustomEvent;\n\nfunction useNative () {\n  try {\n    var p = new NativeCustomEvent('cat', { detail: { foo: 'bar' } });\n    return  'cat' === p.type && 'bar' === p.detail.foo;\n  } catch (e) {\n  }\n  return false;\n}\n\n/**\n * Cross-browser `CustomEvent` constructor.\n *\n * https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent.CustomEvent\n *\n * @public\n */\n\nmodule.exports = useNative() ? NativeCustomEvent :\n\n// IE >= 9\n'function' === typeof document.createEvent ? function CustomEvent (type, params) {\n  var e = document.createEvent('CustomEvent');\n  if (params) {\n    e.initCustomEvent(type, params.bubbles, params.cancelable, params.detail);\n  } else {\n    e.initCustomEvent(type, false, false, void 0);\n  }\n  return e;\n} :\n\n// IE <= 8\nfunction CustomEvent (type, params) {\n  var e = document.createEventObject();\n  e.type = type;\n  if (params) {\n    e.bubbles = Boolean(params.bubbles);\n    e.cancelable = Boolean(params.cancelable);\n    e.detail = params.detail;\n  } else {\n    e.bubbles = false;\n    e.cancelable = false;\n    e.detail = void 0;\n  }\n  return e;\n}\n","var si = typeof setImmediate === 'function', tick;\nif (si) {\n  tick = function (fn) { setImmediate(fn); };\n} else {\n  tick = function (fn) { setTimeout(fn, 0); };\n}\n\nmodule.exports = tick;"]} diff --git a/dist/dragula.min.js b/dist/dragula.min.js index 41e2c18d..ade80187 100644 --- a/dist/dragula.min.js +++ b/dist/dragula.min.js @@ -1 +1 @@ -!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var n;n="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,n.dragula=e()}}(function(){return function e(n,t,r){function o(u,c){if(!t[u]){if(!n[u]){var a="function"==typeof require&&require;if(!c&&a)return a(u,!0);if(i)return i(u,!0);var f=new Error("Cannot find module '"+u+"'");throw f.code="MODULE_NOT_FOUND",f}var l=t[u]={exports:{}};n[u][0].call(l.exports,function(e){var t=n[u][1][e];return o(t?t:e)},l,l.exports,e,n,t,r)}return t[u].exports}for(var i="function"==typeof require&&require,u=0;u0?e:fe.revertOnSpill,t=ie||W,r=v(t),o=k(r);o===!1&&n&&(ie?r&&r.removeChild(ie):Q.insertBefore(t,re)),o||n?le.emit("cancel",t,Q,Q):le.emit("drop",t,r,Q,oe),j()}}function j(){var e=ie||W;I(),z(),e&&E.rm(e,"gu-transit"),ue&&clearTimeout(ue),le.dragging=!1,ae&&le.emit("out",e,ae,Q),le.emit("dragend",e),Q=W=ie=re=oe=ue=ae=null}function k(e,n){var t;return t=void 0!==n?n:J?oe:g(ie||W),e===Q&&t===re}function q(e,n,r){function o(){var o=t(i);if(o===!1)return!1;var u=H(i,e),c=V(i,u,n,r),a=k(i,c);return a?!0:fe.accepts(W,i,Q,c)}for(var i=e;i&&!o();)i=v(i);return i}function U(e){function n(e){le.emit(e,f,ae,Q)}function t(){s&&n("over")}function r(){ae&&n("out")}if(J){e.preventDefault();var o=y("clientX",e),i=y("clientY",e),u=o-Z,c=i-ee;J.style.left=u+"px",J.style.top=c+"px";var f=ie||W,l=a(J,o,i),d=q(l,o,i),s=null!==d&&d!==ae;(s||null===d)&&(r(),ae=d,t());var p=v(f);if(d===Q&&ie&&!fe.copySortSource)return void(p&&p.removeChild(f));var m,h=H(d,l);if(null!==h)m=V(d,h,o,i);else{if(fe.revertOnSpill!==!0||ie)return void(ie&&p&&p.removeChild(f));m=re,d=Q}(null===m&&s||m!==f&&m!==g(f))&&(oe=m,d.insertBefore(f,m),le.emit("shadow",f,d,Q))}}function 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fe.copy?fe.copy:fe.copy(e,n)}var G=arguments.length;1===G&&Array.isArray(e)===!1&&(n=e,e=[]);var J,Q,W,Z,ee,ne,te,re,oe,ie,ue,ce,ae=null,fe=n||{};void 0===fe.moves&&(fe.moves=l),void 0===fe.accepts&&(fe.accepts=l),void 0===fe.invalid&&(fe.invalid=P),void 0===fe.containers&&(fe.containers=e||[]),void 0===fe.isContainer&&(fe.isContainer=f),void 0===fe.copy&&(fe.copy=!1),void 0===fe.copySortSource&&(fe.copySortSource=!1),void 0===fe.revertOnSpill&&(fe.revertOnSpill=!1),void 0===fe.removeOnSpill&&(fe.removeOnSpill=!1),void 0===fe.direction&&(fe.direction="vertical"),void 0===fe.ignoreInputTextSelection&&(fe.ignoreInputTextSelection=!0),void 0===fe.mirrorContainer&&(fe.mirrorContainer=x.body);var le=b({containers:fe.containers,start:Y,end:D,cancel:A,remove:R,destroy:h,canMove:X,dragging:!1});return fe.removeOnSpill===!0&&le.on("over",_).on("out",F),r(),le}function o(e,n,r,o){var 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