@lexical/markdown/LexicalMarkdown.prod.mjs

This package contains Markdown helpers and functionality for Lexical.

/**
 * 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{$isParagraphNode as t,$isTextNode as e,$getRoot as n,$isElementNode as o,$isDecoratorNode as r,$isLineBreakNode as i,$getSelection as s,$createTextNode as l,$createParagraphNode as c,$createLineBreakNode as f,COLLABORATION_TAG as a,HISTORIC_TAG as u,$isRangeSelection as g,$isRootOrShadowRoot as p,$createRangeSelection as d,$setSelection as m}from"lexical";import{$isListNode as h,$isListItemNode as x,ListNode as T,ListItemNode as C,$createListItemNode as E,$createListNode as y}from"@lexical/list";import{$isQuoteNode as v,HeadingNode as S,$isHeadingNode as $,QuoteNode as b,$createQuoteNode as F,$createHeadingNode as I}from"@lexical/rich-text";import{$findMatchingParent as N}from"@lexical/utils";import{$isCodeNode as w,CodeNode as k,$createCodeNode as L}from"@lexical/code";import{LinkNode as P,$isLinkNode as R,$createLinkNode as _}from"@lexical/link";function B(t,e){const n={};for(const o of t){const t=e(o);t&&(n[t]?n[t].push(o):n[t]=[o])}return n}function M(t){const e=B(t,(t=>t.type));return{element:e.element||[],multilineElement:e["multiline-element"]||[],textFormat:e["text-format"]||[],textMatch:e["text-match"]||[]}}const j=/[!-/:-@[-`{-~\s]/,A=/^\s{0,3}$/;function z(n){if(!t(n))return!1;const o=n.getFirstChild();return null==o||1===n.getChildrenSize()&&e(o)&&A.test(o.getTextContent())}function U(t,e,n,i){for(const o of e){if(!o.export)continue;const e=o.export(t,(t=>W(t,n,i)));if(null!=e)return e}return o(t)?W(t,n,i):r(t)?t.getTextContent():null}function W(t,n,s,l,c){const f=[],a=t.getChildren();l||(l=[]),c||(c=[]);t:for(const t of a){for(const e of s){if(!e.export)continue;const o=e.export(t,(t=>W(t,n,s,l,[...c,...l])),((t,e)=>D(t,e,n,l,c)));if(null!=o){f.push(o);continue t}}i(t)?f.push("\n"):e(t)?f.push(D(t,t.getTextContent(),n,l,c)):o(t)?f.push(W(t,n,s,l,c)):r(t)&&f.push(t.getTextContent())}return f.join("")}function D(t,e,n,o,r){let i=0===t.getFormat()?e:function(t){return t.replace(/^\s+|\s+$/g,(t=>[...t].map((t=>"&#"+t.codePointAt(0)+";")).join("")))}(e);t.hasFormat("code")||(i=i.replace(/([*_`~\\])/g,"\\$1"));let s="",l="",c="";const f=O(t,!0),a=O(t,!1),u=new Set;for(const e of n){const n=e.format[0],r=e.tag;q(t,n)&&!u.has(n)&&(u.add(n),q(f,n)&&o.find((t=>t.tag===r))||(o.push({format:n,tag:r}),s+=r))}for(let e=0;e<o.length;e++){const n=q(t,o[e].format),i=q(a,o[e].format);if(n&&i)continue;const s=[...o];for(;s.length>e;){const t=s.pop();r&&t&&r.find((e=>e.tag===t.tag))||(t&&"string"==typeof t.tag&&(n?i||(c+=t.tag):l+=t.tag),o.pop())}break}return i=s+i+c,l+i}function O(t,n){let r=n?t.getPreviousSibling():t.getNextSibling();if(!r){const e=t.getParentOrThrow();e.isInline()&&(r=n?e.getPreviousSibling():e.getNextSibling())}for(;r;){if(o(r)){if(!r.isInline())break;const t=n?r.getLastDescendant():r.getFirstDescendant();if(e(t))return t;r=n?r.getPreviousSibling():r.getNextSibling()}if(e(r))return r;if(!o(r))return null}return null}function q(t,n){return e(t)&&t.hasFormat(n)}function G(t,e){const n=function(t,e){const n=t.match(e.openTagsRegExp);if(null==n)return null;for(const o of n){const n=o.replace(/^\s/,""),r=e.fullMatchRegExpByTag[n];if(null==r)continue;const i=t.match(r),s=e.transformersByTag[n];if(null!=i&&null!=s){if(!1!==s.intraword)return i;const{index:e=0}=i,n=t[e-1],o=t[e+i[0].length];if((!n||j.test(n))&&(!o||j.test(o)))return i}}return null}(t.getTextContent(),e);if(!n)return null;const o=n.index||0;return{endIndex:o+n[0].length,match:n,startIndex:o,transformer:e.transformersByTag[n[1]]}}function H(t){return e(t)&&!t.hasFormat("code")}function J(t,e,n){let o=G(t,e),r=function(t,e){const n=t;let o,r,i,s;for(const t of e){if(!t.replace||!t.importRegExp)continue;const e=n.getTextContent().match(t.importRegExp);if(!e)continue;const l=e.index||0,c=t.getEndIndex?t.getEndIndex(n,e):l+e[0].length;!1!==c&&(void 0===o||void 0===r||l<o&&c>r)&&(o=l,r=c,i=t,s=e)}return void 0===o||void 0===r||void 0===i||void 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0)))(t,e,n,i)},type:"multiline-element"},xt={dependencies:[T,C],export:(t,e)=>h(t)?pt(t,e,0):null,regExp:nt,replace:gt("bullet"),type:"element"},Tt={dependencies:[T,C],export:(t,e)=>h(t)?pt(t,e,0):null,regExp:ot,replace:gt("check"),type:"element"},Ct={dependencies:[T,C],export:(t,e)=>h(t)?pt(t,e,0):null,regExp:et,replace:gt("number"),type:"element"},Et={format:["code"],tag:"`",type:"text-format"},yt={format:["highlight"],tag:"==",type:"text-format"},vt={format:["bold","italic"],tag:"***",type:"text-format"},St={format:["bold","italic"],intraword:!1,tag:"___",type:"text-format"},$t={format:["bold"],tag:"**",type:"text-format"},bt={format:["bold"],intraword:!1,tag:"__",type:"text-format"},Ft={format:["strikethrough"],tag:"~~",type:"text-format"},It={format:["italic"],tag:"*",type:"text-format"},Nt={format:["italic"],intraword:!1,tag:"_",type:"text-format"},wt={dependencies:[P],export:(t,e,n)=>{if(!R(t))return null;const o=t.getTitle(),r=e(t);return o?`[${r}](${t.getURL()} "${o}")`:`[${r}](${t.getURL()})`},importRegExp:/(?:\[([^[]+)\])(?:\((?:([^()\s]+)(?:\s"((?:[^"]*\\")*[^"]*)"\s*)?)\))/,regExp:/(?:\[([^[]+)\])(?:\((?:([^()\s]+)(?:\s"((?:[^"]*\\")*[^"]*)"\s*)?)\))$/,replace:(t,e)=>{const[,n,o,r]=e,i=_(o,{title:r}),s=l(n);return s.setFormat(t.getFormat()),i.append(s),t.replace(i),s},trigger:")",type:"text-match"};const kt=[dt,mt,xt,Ct],Lt=[ht],Pt=[Et,vt,St,$t,bt,yt,It,Nt,Ft],Rt=[wt],_t=[...kt,...Lt,...Pt,...Rt];function Bt(t,e=_t,n,o=!1,r=!1){const i=o?t:function(t,e=!1){const n=t.split("\n");let o=!1;const r=[];for(let t=0;t<n.length;t++){const i=n[t],s=r[r.length-1];ct.test(i)?r.push(i):st.test(i)||lt.test(i)?(o=!o,r.push(i)):o||""===i||""===s||!s||rt.test(s)||rt.test(i)||it.test(i)||et.test(i)||nt.test(i)||ot.test(i)||ft.test(i)||at.test(i)||!e?r.push(i):r[r.length-1]=s+i}return r.join("\n")}(t,r);return K(e,o)(i,n)}function Mt(t=_t,e,o=!1){const r=function(t,e=!1){const o=M(t),r=[...o.multilineElement,...o.element],i=!e,s=o.textFormat.filter((t=>1===t.format.length)).sort(((t,e)=>Number(t.format.includes("code"))-Number(e.format.includes("code"))));return t=>{const e=[],l=(t||n()).getChildren();for(let t=0;t<l.length;t++){const n=l[t],c=U(n,r,s,o.textMatch);null!=c&&e.push(i&&t>0&&!z(n)&&!z(l[t-1])?"\n".concat(c):c)}return e.join("\n")}}(t,o);return r(e)}export{Bt as $convertFromMarkdownString,Mt as $convertToMarkdownString,vt as BOLD_ITALIC_STAR,St as BOLD_ITALIC_UNDERSCORE,$t as BOLD_STAR,bt as BOLD_UNDERSCORE,Tt as CHECK_LIST,ht as CODE,kt as ELEMENT_TRANSFORMERS,dt as HEADING,yt as HIGHLIGHT,Et as INLINE_CODE,It as ITALIC_STAR,Nt as ITALIC_UNDERSCORE,wt as LINK,Lt as MULTILINE_ELEMENT_TRANSFORMERS,Ct as ORDERED_LIST,mt as QUOTE,Ft as STRIKETHROUGH,Pt as TEXT_FORMAT_TRANSFORMERS,Rt as TEXT_MATCH_TRANSFORMERS,_t as TRANSFORMERS,xt as UNORDERED_LIST,tt as registerMarkdownShortcuts};