react-beautiful-dnd
Version:
Beautiful and accessible drag and drop for lists with React
1 lines • 108 kB
JavaScript
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t}(s):Tt(s)},Kt=function(e){var t=e.isMovingForward,r=e.draggable,n=e.destination,i=e.draggables,o=e.previousImpact,a=e.viewport,u=e.previousPageBorderBoxCenter,c=e.previousClientSelection,d=e.afterCritical;if(!n.isEnabled)return null;var p=ht(n.descriptor.id,i),f=Dt(r,n),g=function(e){var t=e.isMovingForward,r=e.draggable,n=e.destination,i=e.insideDestination,o=e.previousImpact;if(!n.isCombineEnabled)return null;if(!yt(o))return null;function a(e){var t={type:"COMBINE",combine:{draggableId:e,droppableId:n.descriptor.id}};return l({},o,{at:t})}var u=o.displaced.all,c=u.length?u[0]:null;if(t)return c?a(c):null;var d=It(r,i);if(!c)return d.length?a(d[d.length-1].descriptor.id):null;var p=dt(d,(function(e){return e.descriptor.id===c}));-1===p&&s(!1);var f=p-1;return f<0?null:a(d[f].descriptor.id)}({isMovingForward:t,draggable:r,destination:n,insideDestination:p,previousImpact:o})||Ft({isMovingForward:t,isInHomeList:f,draggable:r,draggables:i,destination:n,insideDestination:p,previousImpact:o,viewport:a,afterCritical:d});if(!g)return null;var v=zt({impact:g,draggable:r,droppable:n,draggables:i,afterCritical:d});if(Xt({draggable:r,destination:n,newPageBorderBoxCenter:v,viewport:a.frame,withDroppableDisplacement:!1,onlyOnMainAxis:!0}))return{clientSelection:Jt({pageBorderBoxCenter:v,draggable:r,viewport:a}),impact:g,scrollJumpRequest:null};var m=ke(v,u);return{clientSelection:c,impact:function(e){var t=e.impact,r=e.viewport,n=e.destination,i=e.draggables,o=e.maxScrollChange,a=$t(r,je(r.scroll.current,o)),u=n.frame?lt(n,je(n.frame.scroll.current,o)):n,c=t.displaced,s=Mt({afterDragging:Yt(c.all,i),destination:n,displacedBy:t.displacedBy,viewport:a.frame,last:c,forceShouldAnimate:!1}),d=Mt({afterDragging:Yt(c.all,i),destination:u,displacedBy:t.displacedBy,viewport:r.frame,last:c,forceShouldAnimate:!1}),p={},f={},g=[c,s,d];return c.all.forEach((function(e){var t=function(e,t){for(var r=0;r<t.length;r++){var n=t[r].visible[e];if(n)return n}return null}(e,g);t?f[e]=t:p[e]=!0})),l({},t,{displaced:{all:c.all,invisible:p,visible:f}})}({impact:g,viewport:a,destination:n,draggables:i,maxScrollChange:m}),scrollJumpRequest:m}},Qt=function(e){var t=e.subject.active;return t||s(!1),t},Zt=function(e,t){var r=e.page.borderBox.center;return _t(e.descriptor.id,t)?ke(r,t.displacedBy.point):r},er=function(e,t){var r=e.page.borderBox;return _t(e.descriptor.id,t)?nt(r,Ue(t.displacedBy.point)):r},tr=ct((function(e,t){var r=t[e.line];return{value:r,point:He(e.line,r)}})),rr=function(e,t){return l({},e,{scroll:l({},e.scroll,{max:t})})},nr=function(e,t,r){var n=e.frame;Dt(t,e)&&s(!1),e.subject.withPlaceholder&&s(!1);var i=tr(e.axis,t.displaceBy).point,o=function(e,t,r){var n=e.axis;if("virtual"===e.descriptor.mode)return He(n.line,t[n.line]);var i=e.subject.page.contentBox[n.size],o=ht(e.descriptor.id,r).reduce((function(e,t){return e+t.client.marginBox[n.size]}),0)+t[n.line]-i;return o<=0?null:He(n.line,o)}(e,i,r),a={placeholderSize:i,increasedBy:o,oldFrameMaxScroll:e.frame?e.frame.scroll.max:null};if(!n)return l({},e,{subject:at({page:e.subject.page,withPlaceholder:a,axis:e.axis,frame:e.frame})});var u=o?je(n.scroll.max,o):n.scroll.max,c=rr(n,u);return l({},e,{subject:at({page:e.subject.page,withPlaceholder:a,axis:e.axis,frame:c}),frame:c})},ir=function(e){var t=e.isMovingForward,r=e.previousPageBorderBoxCenter,n=e.draggable,i=e.isOver,o=e.draggables,a=e.droppables,l=e.viewport,u=e.afterCritical,c=function(e){var t=e.isMovingForward,r=e.pageBorderBoxCenter,n=e.source,i=e.droppables,o=e.viewport,a=n.subject.active;if(!a)return null;var l=n.axis,u=St(a[l.start],a[l.end]),c=mt(i).filter((function(e){return e!==n})).filter((function(e){return e.isEnabled})).filter((function(e){return Boolean(e.subject.active)})).filter((function(e){return Pt(o.frame)(Qt(e))})).filter((function(e){var r=Qt(e);return t?a[l.crossAxisEnd]<r[l.crossAxisEnd]:r[l.crossAxisStart]<a[l.crossAxisStart]})).filter((function(e){var t=Qt(e),r=St(t[l.start],t[l.end]);return u(t[l.start])||u(t[l.end])||r(a[l.start])||r(a[l.end])})).sort((function(e,r){var n=Qt(e)[l.crossAxisStart],i=Qt(r)[l.crossAxisStart];return t?n-i:i-n})).filter((function(e,t,r){return Qt(e)[l.crossAxisStart]===Qt(r[0])[l.crossAxisStart]}));if(!c.length)return null;if(1===c.length)return c[0];var s=c.filter((function(e){return St(Qt(e)[l.start],Qt(e)[l.end])(r[l.line])}));return 1===s.length?s[0]:s.length>1?s.sort((function(e,t){return Qt(e)[l.start]-Qt(t)[l.start]}))[0]:c.sort((function(e,t){var n=Ve(r,it(Qt(e))),i=Ve(r,it(Qt(t)));return n!==i?n-i:Qt(e)[l.start]-Qt(t)[l.start]}))[0]}({isMovingForward:t,pageBorderBoxCenter:r,source:i,droppables:a,viewport:l});if(!c)return null;var s=ht(c.descriptor.id,o),d=function(e){var t=e.previousPageBorderBoxCenter,r=e.moveRelativeTo,n=e.insideDestination,i=e.draggable,o=e.draggables,a=e.destination,l=e.viewport,u=e.afterCritical;if(!r){if(n.length)return null;var c={displaced:Et,displacedBy:wt,at:{type:"REORDER",destination:{droppableId:a.descriptor.id,index:0}}},s=zt({impact:c,draggable:i,droppable:a,draggables:o,afterCritical:u}),d=Dt(i,a)?a:nr(a,i,o);return Xt({draggable:i,destination:d,newPageBorderBoxCenter:s,viewport:l.frame,withDroppableDisplacement:!1,onlyOnMainAxis:!0})?c:null}var p,f=Boolean(t[a.axis.line]<=r.page.borderBox.center[a.axis.line]),g=(p=r.descriptor.index,r.descriptor.id===i.descriptor.id?p:f?p:p+1),v=tr(a.axis,i.displaceBy);return Gt({draggable:i,insideDestination:n,destination:a,viewport:l,displacedBy:v,last:Et,index:g})}({previousPageBorderBoxCenter:r,destination:c,draggable:n,draggables:o,moveRelativeTo:function(e){var t=e.pageBorderBoxCenter,r=e.viewport,n=e.destination,i=e.insideDestination,o=e.afterCritical;return i.filter((function(e){return Tt({target:er(e,o),destination:n,viewport:r.frame,withDroppableDisplacement:!0})})).sort((function(e,r){var i=qe(t,Vt(n,Zt(e,o))),a=qe(t,Vt(n,Zt(r,o)));return i<a?-1:a<i?1:e.descriptor.index-r.descriptor.index}))[0]||null}({pageBorderBoxCenter:r,viewport:l,destination:c,insideDestination:s,afterCritical:u}),insideDestination:s,viewport:l,afterCritical:u});if(!d)return null;var p=zt({impact:d,draggable:n,droppable:c,draggables:o,afterCritical:u});return{clientSelection:Jt({pageBorderBoxCenter:p,draggable:n,viewport:l}),impact:d,scrollJumpRequest:null}},or=function(e){var t=e.at;return t?"REORDER"===t.type?t.destination.droppableId:t.combine.droppableId:null},ar=function(e){var t=e.state,r=e.type,n=function(e,t){var r=or(e);return r?t[r]:null}(t.impact,t.dimensions.droppables),i=Boolean(n),o=t.dimensions.droppables[t.critical.droppable.id],a=n||o,l=a.axis.direction,u="vertical"===l&&("MOVE_UP"===r||"MOVE_DOWN"===r)||"horizontal"===l&&("MOVE_LEFT"===r||"MOVE_RIGHT"===r);if(u&&!i)return null;var c="MOVE_DOWN"===r||"MOVE_RIGHT"===r,s=t.dimensions.draggables[t.critical.draggable.id],d=t.current.page.borderBoxCenter,p=t.dimensions,f=p.draggables,g=p.droppables;return u?Kt({isMovingForward:c,previousPageBorderBoxCenter:d,draggable:s,destination:a,draggables:f,viewport:t.viewport,previousClientSelection:t.current.client.selection,previousImpact:t.impact,afterCritical:t.afterCritical}):ir({isMovingForward:c,previousPageBorderBoxCenter:d,draggable:s,isOver:a,draggables:f,droppables:g,viewport:t.viewport,afterCritical:t.afterCritical})};function lr(e){return"DRAGGING"===e.phase||"COLLECTING"===e.phase}function ur(e){var t=St(e.top,e.bottom),r=St(e.left,e.right);return function(e){return t(e.y)&&r(e.x)}}function cr(e){var t=e.pageBorderBox,r=e.draggable,n=e.droppables,i=mt(n).filter((function(e){if(!e.isEnabled)return!1;var r,n,i=e.subject.active;if(!i)return!1;if(n=i,!((r=t).left<n.right&&r.right>n.left&&r.top<n.bottom&&r.bottom>n.top))return!1;if(ur(i)(t.center))return!0;var o=e.axis,a=i.center[o.crossAxisLine],l=t[o.crossAxisStart],u=t[o.crossAxisEnd],c=St(i[o.crossAxisStart],i[o.crossAxisEnd]),s=c(l),d=c(u);return!s&&!d||(s?l<a:u>a)}));return i.length?1===i.length?i[0].descriptor.id:function(e){var t=e.pageBorderBox,r=e.draggable,n=e.candidates,i=r.page.borderBox.center,o=n.map((function(e){var r=e.axis,n=He(e.axis.line,t.center[r.line],e.page.borderBox.center[r.crossAxisLine]);return{id:e.descriptor.id,distance:qe(i,n)}})).sort((function(e,t){return t.distance-e.distance}));return o[0]?o[0].id:null}({pageBorderBox:t,draggable:r,candidates:i}):null}var sr=function(e,t){return $e(nt(e,t))};function dr(e){var t=e.displaced,r=e.id;return Boolean(t.visible[r]||t.invisible[r])}var pr=function(e){var t=e.pageOffset,r=e.draggable,n=e.draggables,i=e.droppables,o=e.previousImpact,a=e.viewport,l=e.afterCritical,u=sr(r.page.borderBox,t),c=cr({pageBorderBox:u,draggable:r,droppables:i});if(!c)return Ct;var s=i[c],d=ht(s.descriptor.id,n),p=function(e,t){var r=e.frame;return r?sr(t,r.scroll.diff.value):t}(s,u);return function(e){var t=e.draggable,r=e.pageBorderBoxWithDroppableScroll,n=e.previousImpact,i=e.destination,o=e.insideDestination,a=e.afterCritical;if(!i.isCombineEnabled)return null;var l=i.axis,u=tr(i.axis,t.displaceBy),c=u.value,s=r[l.start],d=r[l.end],p=pt(It(t,o),(function(e){var t=e.descriptor.id,r=e.page.borderBox,i=r[l.size]/4,o=_t(t,a),u=dr({displaced:n.displaced,id:t});return o?u?d>r[l.start]+i&&d<r[l.end]-i:s>r[l.start]-c+i&&s<r[l.end]-c-i:u?d>r[l.start]+c+i&&d<r[l.end]+c-i:s>r[l.start]+i&&s<r[l.end]-i}));return p?{displacedBy:u,displaced:n.displaced,at:{type:"COMBINE",combine:{draggableId:p.descriptor.id,droppableId:i.descriptor.id}}}:null}({pageBorderBoxWithDroppableScroll:p,draggable:r,previousImpact:o,destination:s,insideDestination:d,afterCritical:l})||function(e){var t=e.pageBorderBoxWithDroppableScroll,r=e.draggable,n=e.destination,i=e.insideDestination,o=e.last,a=e.viewport,l=e.afterCritical,u=n.axis,c=tr(n.axis,r.displaceBy),s=c.value,d=t[u.start],p=t[u.end],f=function(e){var t=e.draggable,r=e.closest,n=e.inHomeList;return r?n&&r.descriptor.index>t.descriptor.index?r.descriptor.index-1:r.descriptor.index:null}({draggable:r,closest:pt(It(r,i),(function(e){var t=e.descriptor.id,r=e.page.borderBox.center[u.line],n=_t(t,l),i=dr({displaced:o,id:t});return n?i?p<=r:d<r-s:i?p<=r+s:d<r})),inHomeList:Dt(r,n)});return Gt({draggable:r,insideDestination:i,destination:n,viewport:a,last:o,displacedBy:c,index:f})}({pageBorderBoxWithDroppableScroll:p,draggable:r,destination:s,insideDestination:d,last:o.displaced,viewport:a,afterCritical:l})},fr=function(e,t){var r;return l({},e,((r={})[t.descriptor.id]=t,r))},gr=function(e){var t=e.previousImpact,r=e.impact,n=e.droppables,i=or(t),o=or(r);if(!i)return n;if(i===o)return n;var a=n[i];if(!a.subject.withPlaceholder)return n;var u=function(e){var t=e.subject.withPlaceholder;t||s(!1);var r=e.frame;if(!r)return l({},e,{subject:at({page:e.subject.page,axis:e.axis,frame:null,withPlaceholder:null})});var n=t.oldFrameMaxScroll;n||s(!1);var i=rr(r,n);return l({},e,{subject:at({page:e.subject.page,axis:e.axis,frame:i,withPlaceholder:null}),frame:i})}(a);return fr(n,u)},vr=function(e){var t=e.state,r=e.clientSelection,n=e.dimensions,i=e.viewport,o=e.impact,a=e.scrollJumpRequest,u=i||t.viewport,c=n||t.dimensions,s=r||t.current.client.selection,d=ke(s,t.initial.client.selection),p={offset:d,selection:s,borderBoxCenter:je(t.initial.client.borderBoxCenter,d)},f={selection:je(p.selection,u.scroll.current),borderBoxCenter:je(p.borderBoxCenter,u.scroll.current),offset:je(p.offset,u.scroll.diff.value)},g={client:p,page:f};if("COLLECTING"===t.phase)return l({phase:"COLLECTING"},t,{dimensions:c,viewport:u,current:g});var v=c.draggables[t.critical.draggable.id],m=o||pr({pageOffset:f.offset,draggable:v,draggables:c.draggables,droppables:c.droppables,previousImpact:t.impact,viewport:u,afterCritical:t.afterCritical}),b=function(e){var t=e.draggable,r=e.draggables,n=e.droppables,i=e.previousImpact,o=e.impact,a=gr({previousImpact:i,impact:o,droppables:n}),l=or(o);if(!l)return a;var u=n[l];if(Dt(t,u))return a;if(u.subject.withPlaceholder)return a;var c=nr(u,t,r);return fr(a,c)}({draggable:v,impact:m,previousImpact:t.impact,draggables:c.draggables,droppables:c.droppables});return l({},t,{current:g,dimensions:{draggables:c.draggables,droppables:b},impact:m,viewport:u,scrollJumpRequest:a||null,forceShouldAnimate:!a&&null})};var mr=function(e){var t=e.impact,r=e.viewport,n=e.draggables,i=e.destination,o=e.forceShouldAnimate,a=t.displaced;return l({},t,{displaced:Mt({afterDragging:function(e,t){return e.map((function(e){return t[e]}))}(a.all,n),destination:i,displacedBy:t.displacedBy,viewport:r.frame,forceShouldAnimate:o,last:a})})},br=function(e){var t=e.impact,r=e.draggable,n=e.droppable,i=e.draggables,o=e.viewport,a=e.afterCritical,l=zt({impact:t,draggable:r,draggables:i,droppable:n,afterCritical:a});return Jt({pageBorderBoxCenter:l,draggable:r,viewport:o})},hr=function(e){var t=e.state,r=e.dimensions,n=e.viewport;"SNAP"!==t.movementMode&&s(!1);var i=t.impact,o=n||t.viewport,a=r||t.dimensions,l=a.draggables,u=a.droppables,c=l[t.critical.draggable.id],d=or(i);d||s(!1);var p=u[d],f=mr({impact:i,viewport:o,destination:p,draggables:l}),g=br({impact:f,draggable:c,droppable:p,draggables:l,viewport:o,afterCritical:t.afterCritical});return vr({impact:f,clientSelection:g,state:t,dimensions:a,viewport:o})},yr=function(e){var t=e.draggable,r=e.home,n=e.draggables,i=e.viewport,o=tr(r.axis,t.displaceBy),a=ht(r.descriptor.id,n),l=a.indexOf(t);-1===l&&s(!1);var u,c=a.slice(l+1),d=c.reduce((function(e,t){return e[t.descriptor.id]=!0,e}),{}),p={inVirtualList:"virtual"===r.descriptor.mode,displacedBy:o,effected:d};return{impact:{displaced:Mt({afterDragging:c,destination:r,displacedBy:o,last:null,viewport:i.frame,forceShouldAnimate:!1}),displacedBy:o,at:{type:"REORDER",destination:(u=t.descriptor,{index:u.index,droppableId:u.droppableId})}},afterCritical:p}},xr=function(e){var t=e.additions,r=e.updatedDroppables,n=e.viewport,i=n.scroll.diff.value;return t.map((function(e){var t=e.descriptor.droppableId,o=function(e){var t=e.frame;return t||s(!1),t}(r[t]).scroll.diff.value;return function(e){var t=e.draggable,r=e.offset,n=e.initialWindowScroll,i=Ze(t.client,r),o=et(i,n);return l({},t,{placeholder:l({},t.placeholder,{client:i}),client:i,page:o})}({draggable:e,offset:je(i,o),initialWindowScroll:n.scroll.initial})}))},Ir=function(e){return"SNAP"===e.movementMode},Dr=function(e,t,r){var n=function(e,t){return{draggables:e.draggables,droppables:fr(e.droppables,t)}}(e.dimensions,t);return!Ir(e)||r?vr({state:e,dimensions:n}):hr({state:e,dimensions:n})};function wr(e){return e.isDragging&&"SNAP"===e.movementMode?l({phase:"DRAGGING"},e,{scrollJumpRequest:null}):e}var Er={phase:"IDLE",completed:null,shouldFlush:!1},Cr=function(e,t){if(void 0===e&&(e=Er),"FLUSH"===t.type)return l({},Er,{shouldFlush:!0});if("INITIAL_PUBLISH"===t.type){"IDLE"!==e.phase&&s(!1);var r=t.payload,n=r.critical,i=r.clientSelection,o=r.viewport,a=r.dimensions,u=r.movementMode,c=a.draggables[n.draggable.id],d=a.droppables[n.droppable.id],p={selection:i,borderBoxCenter:c.client.borderBox.center,offset:Fe},f={client:p,page:{selection:je(p.selection,o.scroll.initial),borderBoxCenter:je(p.selection,o.scroll.initial),offset:je(p.selection,o.scroll.diff.value)}},g=mt(a.droppables).every((function(e){return!e.isFixedOnPage})),v=yr({draggable:c,home:d,draggables:a.draggables,viewport:o}),m=v.impact;return{phase:"DRAGGING",isDragging:!0,critical:n,movementMode:u,dimensions:a,initial:f,current:f,isWindowScrollAllowed:g,impact:m,afterCritical:v.afterCritical,onLiftImpact:m,viewport:o,scrollJumpRequest:null,forceShouldAnimate:null}}if("COLLECTION_STARTING"===t.type)return"COLLECTING"===e.phase||"DROP_PENDING"===e.phase?e:("DRAGGING"!==e.phase&&s(!1),l({phase:"COLLECTING"},e,{phase:"COLLECTING"}));if("PUBLISH_WHILE_DRAGGING"===t.type)return"COLLECTING"!==e.phase&&"DROP_PENDING"!==e.phase&&s(!1),function(e){var t=e.state,r=e.published,n=r.modified.map((function(e){var r=t.dimensions.droppables[e.droppableId];return lt(r,e.scroll)})),i=l({},t.dimensions.droppables,{},gt(n)),o=vt(xr({additions:r.additions,updatedDroppables:i,viewport:t.viewport})),a=l({},t.dimensions.dra