@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,$isRangeSelection as a,$isRootOrShadowRoot as u,$createRangeSelection as g,$setSelection as p}from"lexical";import{$isListNode as d,$isListItemNode as h,ListNode as m,ListItemNode as x,$createListItemNode as T,$createListNode as C}from"@lexical/list";import{$isQuoteNode as E,HeadingNode as y,$isHeadingNode as b,QuoteNode as v,$createQuoteNode as S,$createHeadingNode as $}from"@lexical/rich-text";import{$findMatchingParent as F}from"@lexical/utils";import{$isCodeNode as I,CodeNode as N,$createCodeNode as w}from"@lexical/code";import{LinkNode as k,$isLinkNode as L,$createLinkNode as P}from"@lexical/link";function R(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 _(t){const e=R(t,(t=>t.type));return{element:e.element||[],multilineElement:e["multiline-element"]||[],textFormat:e["text-format"]||[],textMatch:e["text-match"]||[]}}const B=/[!-/:-@[-`{-~\s]/,M=/^\s{0,3}$/;function j(n){if(!t(n))return!1;const o=n.getFirstChild();return null==o||1===n.getChildrenSize()&&e(o)&&M.test(o.getTextContent())}function A(t,e,n,i){for(const o of e){if(!o.export)continue;const e=o.export(t,(t=>z(t,n,i)));if(null!=e)return e}return o(t)?z(t,n,i):r(t)?t.getTextContent():null}function z(t,n,s,l,c){const f=[],a=t.getChildren();l||(l=[]),c||(c=[]);t:for(const t of a){for(const e of s){if(!e.export)continue;const o=e.export(t,(t=>z(t,n,s,l,[...c,...l])),((t,e)=>U(t,e,n,l,c)));if(null!=o){f.push(o);continue t}}i(t)?f.push("\n"):e(t)?f.push(U(t,t.getTextContent(),n,l,c)):o(t)?f.push(z(t,n,s,l,c)):r(t)&&f.push(t.getTextContent())}return f.join("")}function U(t,e,n,o,r){let i=0===t.getFormat()?e:function(t){return t.replace(/^\s+|\s+$/g,(t=>[...t].map((t=>"&#"+t.codePointAt(0)+";")).join("")))}(e);t.hasFormat("code")||(i=i.replace(/([*_`~\\])/g,"\\$1"));let s="",l="",c="";const f=W(t,!0),a=W(t,!1),u=new Set;for(const e of n){const n=e.format[0],r=e.tag;D(t,n)&&!u.has(n)&&(u.add(n),D(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=D(t,o[e].format),i=D(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 W(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 D(t,n){return 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o=_(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=A(n,r,s,o.textMatch);null!=c&&e.push(i&&t>0&&!j(n)&&!j(l[t-1])?"\n".concat(c):c)}return e.join("\n")}}(t,o);return r(e)}export{Rt as $convertFromMarkdownString,_t as $convertToMarkdownString,Et as BOLD_ITALIC_STAR,yt as BOLD_ITALIC_UNDERSCORE,bt as BOLD_STAR,vt as BOLD_UNDERSCORE,mt as CHECK_LIST,dt as CODE,Nt as ELEMENT_TRANSFORMERS,gt as HEADING,Ct as HIGHLIGHT,Tt as INLINE_CODE,$t as ITALIC_STAR,Ft as ITALIC_UNDERSCORE,It as LINK,wt as MULTILINE_ELEMENT_TRANSFORMERS,xt as ORDERED_LIST,pt as QUOTE,St as STRIKETHROUGH,kt as TEXT_FORMAT_TRANSFORMERS,Lt as TEXT_MATCH_TRANSFORMERS,Pt as TRANSFORMERS,ht as UNORDERED_LIST,Y as registerMarkdownShortcuts};