vue3-dragula
Version:
Vue3 wrapper library for dragula
1 lines • 850 kB
JavaScript
(()=>{var __webpack_modules__={584:module=>{eval("module.exports = function atoa (a, n) { return Array.prototype.slice.call(a, n); }\n//# sourceURL=[module]\n//# sourceMappingURL=data:application/json;charset=utf-8;base64,eyJ2ZXJzaW9uIjozLCJmaWxlIjoiNTg0LmpzIiwibWFwcGluZ3MiOiJBQUFBLHdDQUF3QyIsInNvdXJjZXMiOlsid2VicGFjazovL3Z1ZTMtZHJhZ3VsYS8uL25vZGVfbW9kdWxlcy9hdG9hL2F0b2EuanM/ZjEzZiJdLCJzb3VyY2VzQ29udGVudCI6WyJtb2R1bGUuZXhwb3J0cyA9IGZ1bmN0aW9uIGF0b2EgKGEsIG4pIHsgcmV0dXJuIEFycmF5LnByb3RvdHlwZS5zbGljZS5jYWxsKGEsIG4pOyB9XG4iXSwibmFtZXMiOltdLCJzb3VyY2VSb290IjoiIn0=\n//# sourceURL=webpack-internal:///584\n")},514:(module,__unused_webpack_exports,__webpack_require__)=>{"use strict";eval("\n\nvar ticky = __webpack_require__(115);\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//# sourceURL=[module]\n//# 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{}; }\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) { 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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 || __webpack_require__.g.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 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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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sourceURL=webpack-internal:///638\n")},425:module=>{"use strict";eval("\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//# sourceURL=[module]\n//# 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sourceURL=webpack-internal:///425\n")},137:(module,__unused_webpack_exports,__webpack_require__)=>{"use strict";eval("\n\nvar emitter = __webpack_require__(229);\nvar crossvent = __webpack_require__(808);\nvar classes = __webpack_require__(425);\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\n // truthy check fixes #239, equality fixes #207, fixes #501\n if ((e.clientX !== void 0 && Math.abs(e.clientX - _moveX) <= (o.slideFactorX || 0)) &&\n (e.clientY !== void 0 && Math.abs(e.clientY - _moveY) <= (o.slideFactorY || 0))) {\n return;\n }\n\n if (o.ignoreInputTextSelection) {\n var clientX = getCoord('clientX', e) || 0;\n var clientY = getCoord('clientY', e) || 0;\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) || 0;\n var clientY = getCoord('clientY', e) || 0;\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) || 0;\n var clientY = getCoord('clientY', e) || 0;\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 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'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 (__webpack_require__.g.navigator.pointerEnabled) {\n crossvent[op](el, pointers[type], fn);\n } else if (__webpack_require__.g.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 __webpack_require__.g[offsetProp] !== 'undefined') {\n return __webpack_require__.g[offsetProp];\n }\n if (documentElement.clientHeight) {\n return documentElement[scrollProp];\n }\n return doc.body[scrollProp];\n}\n\nfunction getElementBehindPoint (point, x, y) {\n point = point || {};\n var state = point.className || '';\n var el;\n point.className += ' gu-hide';\n el = doc.elementFromPoint(x, y);\n point.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); 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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 ? 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'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\n    // truthy check fixes #239, equality fixes #207, fixes #501\n    if ((e.clientX !== void 0 && Math.abs(e.clientX - _moveX) <= (o.slideFactorX || 0)) &&\n      (e.clientY !== void 0 && Math.abs(e.clientY - _moveY) <= (o.slideFactorY || 0))) {\n      return;\n    }\n\n    if (o.ignoreInputTextSelection) {\n      var clientX = getCoord('clientX', e) || 0;\n      var clientY = getCoord('clientY', e) || 0;\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      