@lexical/react/LexicalDraggableBlockPlugin.prod.mjs

This package provides Lexical components and hooks for React applications.

/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 */

import{useLexicalComposerContext as t}from"@lexical/react/LexicalComposerContext";import{eventFiles as e}from"@lexical/rich-text";import{calculateZoomLevel as n,mergeRegister as o,isHTMLElement as r}from"@lexical/utils";import{DRAGOVER_COMMAND as i,COMMAND_PRIORITY_LOW as s,DROP_COMMAND as l,COMMAND_PRIORITY_HIGH as a,BLUR_COMMAND as c,$getSelection as u,$getNodeByKey as m,$getNearestNodeFromDOMNode as g,$onUpdate as h,$getRoot as f}from"lexical";import{useRef as d,useState as p,useCallback as y,useEffect as _}from"react";import{createPortal as x}from"react-dom";import{jsxs as b,Fragment as v,jsx as w}from"react/jsx-runtime";const E="undefined"!=typeof window&&void 0!==window.document&&void 0!==window.document.createElement,T=E&&"documentMode"in document?document.documentMode:null,B=E&&/^(?!.*Seamonkey)(?=.*Firefox).*/i.test(navigator.userAgent);E&&"InputEvent"in window&&!T&&new window.InputEvent("input");class C{_x;_y;constructor(t,e){this._x=t,this._y=e}get x(){return this._x}get y(){return this._y}equals({x:t,y:e}){return this.x===t&&this.y===e}calcDeltaXTo({x:t}){return this.x-t}calcDeltaYTo({y:t}){return this.y-t}calcHorizontalDistanceTo(t){return Math.abs(this.calcDeltaXTo(t))}calcVerticalDistance(t){return Math.abs(this.calcDeltaYTo(t))}calcDistanceTo(t){return Math.sqrt(Math.pow(this.calcDeltaXTo(t),2)+Math.pow(this.calcDeltaYTo(t),2))}}class R{_left;_top;_right;_bottom;constructor(t,e,n,o){const[r,i]=e<=o?[e,o]:[o,e],[s,l]=t<=n?[t,n]:[n,t];this._top=r,this._right=l,this._left=s,this._bottom=i}get top(){return this._top}get right(){return this._right}get bottom(){return this._bottom}get left(){return this._left}get width(){return Math.abs(this._left-this._right)}get height(){return Math.abs(this._bottom-this._top)}equals({top:t,left:e,bottom:n,right:o}){return t===this._top&&n===this._bottom&&e===this._left&&o===this._right}contains(t){if(t instanceof C){const{x:e,y:n}=t,o=n<this._top,r=n>this._bottom,i=e<this._left,s=e>this._right;return{reason:{isOnBottomSide:r,isOnLeftSide:i,isOnRightSide:s,isOnTopSide:o},result:!(o||r||i||s)}}{const{top:e,left:n,bottom:o,right:r}=t;return e>=this._top&&e<=this._bottom&&o>=this._top&&o<=this._bottom&&n>=this._left&&n<=this._right&&r>=this._left&&r<=this._right}}intersectsWith(t){const{left:e,top:n,width:o,height:r}=t,{left:i,top:s,width:l,height:a}=this;return(e+o>=i+l?e+o:i+l)-(e<=i?e:i)<=o+l&&(n+r>=s+a?n+r:s+a)-(n<=s?n:s)<=r+a}generateNewRect({left:t=this.left,top:e=this.top,right:n=this.right,bottom:o=this.bottom}){return new R(t,e,n,o)}static fromLTRB(t,e,n,o){return new R(t,e,n,o)}static fromLWTH(t,e,n,o){return new R(t,n,t+e,n+o)}static fromPoints(t,e){const{y:n,x:o}=t,{y:r,x:i}=e;return R.fromLTRB(o,n,i,r)}static fromDOM(t){const{top:e,width:n,left:o,height:r}=t.getBoundingClientRect();return R.fromLWTH(o,n,e,r)}}const S="application/x-lexical-drag-block";let D=1/0;function L(t){const e=(t,e)=>t?parseFloat(window.getComputedStyle(t)[e]):0,{marginTop:n,marginBottom:o}=window.getComputedStyle(t),r=e(t.previousElementSibling,"marginBottom"),i=e(t.nextElementSibling,"marginTop"),s=Math.max(parseFloat(n),r);return{marginBottom:Math.max(parseFloat(o),i),marginTop:s}}function M(t,e,o,r=!1){const i=t.getBoundingClientRect(),s=function(t){return t.getEditorState().read(()=>f().getChildrenKeys())}(e);let l=null;return e.getEditorState().read(()=>{if(r){const[t,r]=[e.getElementByKey(s[0]),e.getElementByKey(s[s.length-1])],[i,a]=[null!=t?t.getBoundingClientRect():void 0,null!=r?r.getBoundingClientRect():void 0];if(i&&a){const e=n(t),s=n(r);if(o.y/e<i.top?l=t:o.y/s>a.bottom&&(l=r),l)return}}let t=0===(a=s.length)?1/0:D>=0&&D<a?D:Math.floor(a/2);var a;let c=0;for(;t>=0&&t<s.length;){const r=s[t],a=e.getElementByKey(r);if(null===a)break;const u=n(a),m=new C(o.x/u,o.y/u),g=R.fromDOM(a),{marginTop:h,marginBottom:f}=L(a),d=g.generateNewRect({bottom:g.bottom+f,left:i.left,right:i.right,top:g.top-h}),{result:p,reason:{isOnTopSide:y,isOnBottomSide:_}}=d.contains(m);if(p){l=a,D=t;break}0===c&&(c=y?-1:_?1:1/0),t+=c}}),l}function O(t,f,E,T,C,R,D,O,H){const I=f.parentElement,K=d(!1),[N,Y]=p(null),k=y(t=>{Y(t),H&&H(t)},[H]);return _(()=>{function e(e){const n=e.target;if(!r(n))return void k(null);if(O(n))return;const o=M(f,t,e);k(o)}function n(){k(null)}return null!=I&&(I.addEventListener("mousemove",e),I.addEventListener("mouseleave",n)),()=>{null!=I&&(I.removeEventListener("mousemove",e),I.removeEventListener("mouseleave",n))}},[I,f,t,O,k]),_(()=>{const t=n(document.getElementsByClassName("ContentEditable__root")[0],!0);E.current&&function(t,e,n,o){if(!t)return void(e.style.display="none");const r=t.getBoundingClientRect(),i=window.getComputedStyle(t),s=e.getBoundingClientRect(),l=n.getBoundingClientRect();let a=parseInt(i.lineHeight,10);isNaN(a)&&(a=r.bottom-r.top);const c=(r.top+(a-(s.height||a))/2-l.top+n.scrollTop)/o;e.style.display="flex",e.style.opacity="1",e.style.transform=`translate(4px, ${c}px)`}(N,E.current,f,t)},[f,N,E]),_(()=>{function c(o){if(!K.current)return!1;const[i]=e(o);if(i)return!1;const{pageY:s,target:l}=o;if(!r(l))return!1;const a=M(f,t,o,!0),c=T.current;return null!==a&&null!==c&&(function(t,e,n,o){const{top:r,height:i}=e.getBoundingClientRect(),{top:s,width:l}=o.getBoundingClientRect(),{marginTop:a,marginBottom:c}=L(e);let u=r;n>=r?u+=i+c/2:u-=a/2;const m=u-s-2+o.scrollTop;t.style.transform=`translate(24px, ${m}px)`,t.style.width=l-48+"px",t.style.opacity=".4"}(c,a,s/n(l),f),o.preventDefault(),!0)}return o(t.registerCommand(i,t=>c(t),s),t.registerCommand(l,o=>function(o){if(!K.current)return!1;const[i]=e(o);if(i)return!1;const{target:s,dataTransfer:l,pageY:a}=o,c=null!=l?l.getData(S):"",u=m(c);if(!u)return!1;if(!r(s))return!1;const d=M(f,t,o,!0);if(!d)return!1;const p=g(d);if(!p)return!1;if(p===u)return B&&t.focus(),!0;const y=d.getBoundingClientRect().top;return a/n(s)>=y?p.insertAfter(u):p.insertBefore(u),k(null),B&&h(()=>{t.focus()}),!0}(o),a))},[f,t,T,k]),_(()=>{if(B&&C)return o(t.registerRootListener(e=>{function n(n){const o=n.relatedTarget;o&&o instanceof HTMLElement&&O(o)&&(e&&(e.focus({preventScroll:!0}),t.update(()=>{const t=u();null===t||t.dirty||(t.dirty=!0)})),n.stopImmediatePropagation())}if(e)return e.addEventListener("blur",n,!0),()=>e.removeEventListener("blur",n,!0)}),t.registerCommand(c,()=>{const e=t.getRootElement(),n=document.activeElement;return!!(e&&n&&n instanceof HTMLElement&&O(n))&&(e.focus({preventScroll:!0}),t.update(()=>{const t=u();null===t||t.dirty||(t.dirty=!0)}),!0)},a))},[t,C,O]),x(b(v,{children:[w("div",{draggable:!0,onDragStart:function(e){const n=e.dataTransfer;if(!n||!N)return;!function(t,e){const{transform:n}=e.style;e.style.transform="translateZ(0)",t.setDragImage(e,0,0),setTimeout(()=>{e.style.transform=n})}(n,N);let o="";if(t.update(()=>{const t=g(N);t&&(o=t.getKey())}),K.current=!0,n.setData(S,o),B){const e=t.getRootElement();null!==e&&document.activeElement!==e&&(e.focus({preventScroll:!0}),t.update(()=>{const t=u();null===t||t.dirty||(t.dirty=!0)}))}},onDragEnd:function(){var e;K.current=!1,(e=T.current)&&(e.style.opacity="0",e.style.transform="translate(-10000px, -10000px)"),B&&t.focus()},children:C&&R}),D]}),f)}function H({anchorElem:e=document.body,menuRef:n,targetLineRef:o,menuComponent:r,targetLineComponent:i,isOnMenu:s,onElementChanged:l}){const[a]=t();return O(a,e,n,o,a._editable,r,i,s,l)}export{H as DraggableBlockPlugin_EXPERIMENTAL};