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@lexical/react

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This package provides Lexical components and hooks for React applications.

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/** * 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. * */ "use strict";var e=require("@lexical/react/LexicalComposerContext"),t=require("lexical"),n=require("react"),o=require("@lexical/utils"),r=require("react/jsx-runtime");const l="startTransition";const i="undefined"!=typeof window&&void 0!==window.document&&void 0!==window.document.createElement,s=i?n.useLayoutEffect:n.useEffect;const u=e=>{const t=document.getElementById("typeahead-menu");if(!t)return;const n=t.getBoundingClientRect();n.top+n.height>window.innerHeight&&t.scrollIntoView({block:"center"}),n.top<0&&t.scrollIntoView({block:"center"}),e.scrollIntoView({block:"nearest"})};function c(e,t){const n=e.getBoundingClientRect(),o=t.getBoundingClientRect();return n.top>=o.top-6&&n.top<=o.bottom+6}function a(t,o,r,l){const[i]=e.useLexicalComposerContext();n.useEffect(()=>{if(null!=o&&null!=t){const e=i.getRootElement(),t=null!=e?function(e){let t=getComputedStyle(e);const n="absolute"===t.position,o=/(auto|scroll)/;if("fixed"===t.position)return document.body;for(let r=e;r=r.parentElement;)if(t=getComputedStyle(r),(!n||"static"!==t.position)&&o.test(t.overflow+t.overflowY+t.overflowX))return r;return document.body}(e):document.body;let n=!1,s=c(o,t);const u=function(){n||(window.requestAnimationFrame(function(){r(),n=!1}),n=!0);const e=c(o,t);e!==s&&(s=e,null!=l&&l(e))},a=new ResizeObserver(r);return window.addEventListener("resize",r),document.addEventListener("scroll",u,{capture:!0,passive:!0}),a.observe(o),()=>{a.unobserve(o),window.removeEventListener("resize",r),document.removeEventListener("scroll",u,!0)}}},[o,i,l,r,t])}const d=t.createCommand("SCROLL_TYPEAHEAD_OPTION_INTO_VIEW_COMMAND");function f({close:e,editor:r,anchorElementRef:l,resolution:i,options:c,menuRenderFn:a,onSelectOption:f,shouldSplitNodeWithQuery:m=!1,commandPriority:p=t.COMMAND_PRIORITY_LOW,preselectFirstItem:g=!0}){const[h,C]=n.useState(null),E=null!==h?Math.min(c.length-1,h):null,x=i.match&&i.match.matchingString;n.useEffect(()=>{g&&C(0)},[x,g]);const y=n.useCallback(n=>{r.update(()=>{const o=null!=i.match&&m?function(e){const n=t.$getSelection();if(!t.$isRangeSelection(n)||!n.isCollapsed())return null;const o=n.anchor;if("text"!==o.type)return null;const r=o.getNode();if(!r.isSimpleText())return null;const l=o.offset,i=r.getTextContent().slice(0,l),s=e.replaceableString.length,u=l-function(e,t,n){let o=n;for(let n=o;n<=t.length;n++)e.slice(-n)===t.substring(0,n)&&(o=n);return o}(i,e.matchingString,s);if(u<0)return null;let c;return 0===u?[c]=r.splitText(l):[,c]=r.splitText(u,l),c}(i.match):null;f(n,o,e,i.match?i.match.matchingString:"")})},[r,m,i.match,f,e]),O=n.useCallback(e=>{const t=r.getRootElement();null!==t&&(t.setAttribute("aria-activedescendant","typeahead-item-"+e),C(e))},[r]);n.useEffect(()=>()=>{const e=r.getRootElement();null!==e&&e.removeAttribute("aria-activedescendant")},[r]),s(()=>{null===c?C(null):null===E&&g&&O(0)},[c,E,O,g]),n.useEffect(()=>o.mergeRegister(r.registerCommand(d,({option:e})=>!(!e.ref||null==e.ref.current)&&(u(e.ref.current),!0),p)),[r,O,p]),n.useEffect(()=>o.mergeRegister(r.registerCommand(t.KEY_ARROW_DOWN_COMMAND,e=>{const t=e;if(null!==c&&c.length){const e=null===E?0:E!==c.length-1?E+1:0;O(e);const n=c[e];if(!n)return O(-1),t.preventDefault(),t.stopImmediatePropagation(),!0;n.ref&&n.ref.current&&r.dispatchCommand(d,{index:e,option:n}),t.preventDefault(),t.stopImmediatePropagation()}return!0},p),r.registerCommand(t.KEY_ARROW_UP_COMMAND,e=>{const t=e;if(null!==c&&c.length){const e=null===E?c.length-1:0!==E?E-1:c.length-1;O(e);const n=c[e];if(!n)return O(-1),t.preventDefault(),t.stopImmediatePropagation(),!0;n.ref&&n.ref.current&&u(n.ref.current),t.preventDefault(),t.stopImmediatePropagation()}return!0},p),r.registerCommand(t.KEY_ESCAPE_COMMAND,t=>{const n=t;return n.preventDefault(),n.stopImmediatePropagation(),e(),!0},p),r.registerCommand(t.KEY_TAB_COMMAND,e=>{const t=e;return null!==c&&null!==E&&null!=c[E]&&(t.preventDefault(),t.stopImmediatePropagation(),y(c[E]),!0)},p),r.registerCommand(t.KEY_ENTER_COMMAND,e=>null!==c&&null!==E&&null!=c[E]&&(null!==e&&(e.preventDefault(),e.stopImmediatePropagation()),y(c[E]),!0),p)),[y,e,r,c,E,O,p]);return a(l,n.useMemo(()=>({options:c,selectOptionAndCleanUp:y,selectedIndex:E,setHighlightedIndex:C}),[y,E,c]),i.match?i.match.matchingString:"")}function m(e,t){null!=t&&(e.className=t),e.setAttribute("aria-label","Typeahead menu"),e.setAttribute("role","listbox"),e.style.display="block",e.style.position="absolute"}const p="\\.,\\+\\*\\?\\$\\@\\|#{}\\(\\)\\^\\-\\[\\]\\\\/!%'\"~=<>_:;";const g=t.createCommand("SCROLL_TYPEAHEAD_OPTION_INTO_VIEW_COMMAND");exports.LexicalTypeaheadMenuPlugin=function({options:o,onQueryChange:s,onSelectOption:u,onOpen:c,onClose:d,menuRenderFn:p,triggerFn:g,anchorClassName:h,commandPriority:C=t.COMMAND_PRIORITY_LOW,parent:E,preselectFirstItem:x=!0,ignoreEntityBoundary:y=!1}){const[O]=e.useLexicalComposerContext(),[b,w]=n.useState(null),R=function(t,o,r,l=(i?document.body:void 0),s=!0){const[u]=e.useLexicalComposerContext(),c=i?document.createElement("div"):null,d=n.useRef(c),f=n.useCallback(()=>{if(null===d.current||void 0===l)return;d.current.style.top=d.current.style.bottom;const e=u.getRootElement(),n=d.current,o=n.firstChild;if(null!==e&&null!==t){const{left:i,top:u,width:c,height:a}=t.getRect(),f=d.current.offsetHeight;if(n.style.top=`${u+f+3+(s?window.pageYOffset:0)}px`,n.style.left=`${i+window.pageXOffset}px`,n.style.height=`${a}px`,n.style.width=`${c}px`,null!==o){o.style.top=`${u}`;const t=o.getBoundingClientRect(),r=t.height,l=t.width,c=e.getBoundingClientRect();i+l>c.right&&(n.style.left=`${c.right-l+window.pageXOffset}px`),(u+r>window.innerHeight||u+r>c.bottom)&&u-c.top>r+a&&(n.style.top=`${u-r-a+(s?window.pageYOffset:0)}px`)}n.isConnected||(m(n,r),l.append(n)),n.setAttribute("id","typeahead-menu"),e.setAttribute("aria-controls","typeahead-menu")}},[u,t,s,r,l]);n.useEffect(()=>{const e=u.getRootElement();return null!==t&&f(),()=>{null!==e&&e.removeAttribute("aria-controls");const t=d.current;null!==t&&t.isConnected&&(t.remove(),t.removeAttribute("id"))}},[u,f,t]);const p=n.useCallback(e=>{null!==t&&(e||o(null))},[t,o]);return a(t,d.current,f,p),null!=c&&c===d.current&&(m(c,r),null!=l&&l.append(c)),d}(b,w,h,E),v=n.useCallback(()=>{w(null),null!=d&&null!==b&&d()},[d,b]),S=n.useCallback(e=>{w(e),null!=c&&null===b&&c(e)},[c,b]);return n.useEffect(()=>{const e=O.registerUpdateListener(()=>{O.getEditorState().read(()=>{if(!O.isEditable())return void v();if(O.isComposing())return;const e=O._window||window,o=e.document.createRange(),r=t.$getSelection(),i=function(e){let n=null;return e.getEditorState().read(()=>{const e=t.$getSelection();t.$isRangeSelection(e)&&(n=function(e){const t=e.anchor;if("text"!==t.type)return null;const n=t.getNode();if(!n.isSimpleText())return null;const o=t.offset;return n.getTextContent().slice(0,o)}(e))}),n}(O);if(!t.$isRangeSelection(r)||!r.isCollapsed()||null===i||null===o)return void v();const u=g(i,O);if(s(u?u.matchingString:null),null!==u&&(y||!function(e,n){return 0===n&&e.getEditorState().read(()=>{const e=t.$getSelection();if(t.$isRangeSelection(e)){const n=e.anchor.getNode().getPreviousSibling();return t.$isTextNode(n)&&n.isTextEntity()}return!1})}(O,u.leadOffset))){const r=function(e,n,o){const r=t.getDOMSelection(o);if(null===r||!r.isCollapsed)return!1;const l=r.anchorNode,i=e,s=r.anchorOffset;if(null==l||null==s)return!1;try{n.setStart(l,i),n.setEnd(l,s)}catch(e){return!1}return!0}(u.leadOffset,o,e);if(null!==r)return c=()=>S({getRect:()=>o.getBoundingClientRect(),match:u}),void(l in n?n[l](c):c())}var c;v()})});return()=>{e()}},[O,g,s,b,v,S,y]),n.useEffect(()=>O.registerEditableListener(e=>{e||v()}),[O,v]),null===b||null===O||null===R.current?null:r.jsx(f,{close:v,resolution:b,editor:O,anchorElementRef:R,options:o,menuRenderFn:p,shouldSplitNodeWithQuery:!0,onSelectOption:u,commandPriority:C,preselectFirstItem:x})},exports.MenuOption=class{key;ref;constructor(e){this.key=e,this.ref={current:null},this.setRefElement=this.setRefElement.bind(this)}setRefElement(e){this.ref={current:e}}},exports.PUNCTUATION=p,exports.SCROLL_TYPEAHEAD_OPTION_INTO_VIEW_COMMAND=g,exports.getScrollParent=function(e,t){let n=getComputedStyle(e);const o="absolute"===n.position,r=t?/(auto|scroll|hidden)/:/(auto|scroll)/;if("fixed"===n.position)return document.body;for(let t=e;t=t.parentElement;)if(n=getComputedStyle(t),(!o||"static"!==n.position)&&r.test(n.overflow+n.overflowY+n.overflowX))return t;return document.body},exports.useBasicTypeaheadTriggerMatch=function(e,{minLength:t=1,maxLength:o=75,punctuation:r=p,allowWhitespace:l=!1}){return n.useCallback(n=>{const i=new RegExp("(^|\\s|\\()(["+e+"]((?:"+("[^"+e+r+(l?"":"\\s")+"]")+"){0,"+o+"}))$").exec(n);if(null!==i){const e=i[1],n=i[3];if(n.length>=t)return{leadOffset:i.index+e.length,matchingString:n,replaceableString:i[2]}}return null},[l,e,r,o,t])},exports.useDynamicPositioning=a;