diff options
Diffstat (limited to 'src/lib/Markdown/Paragraph.tsx')
-rw-r--r-- | src/lib/Markdown/Paragraph.tsx | 100 |
1 files changed, 4 insertions, 96 deletions
diff --git a/src/lib/Markdown/Paragraph.tsx b/src/lib/Markdown/Paragraph.tsx index 19f8382..f46199e 100644 --- a/src/lib/Markdown/Paragraph.tsx +++ b/src/lib/Markdown/Paragraph.tsx @@ -1,101 +1,9 @@ import React from 'react'; -import { Link } from '@material-ui/core'; -import axios from 'axios'; +import { InlineParserPropTypes } from './types'; +import InlineSyntax, { splitter } from './InlineSyntax'; -interface PropTypes { - data: string; -} - -interface Emoji { - name: string; - char: string; -} - -type InlineRuleName = 'bold' | 'italic' | 'code' | 'strikeThrough' | 'emoji'; - -interface InlineRuleProperties { - enclosure: string; - style: React.CSSProperties; - pattern?: RegExp; -} - -const inlineRules: Record<InlineRuleName, InlineRuleProperties>= { - // Order matters - lowest property has highest priority - strikeThrough: { - enclosure: '~~', - style: { textDecoration: 'line-through' }, - }, - code: { - enclosure: '`', - style: { background: '#444444', padding: '4px' }, - }, - italic: { - enclosure: '\\*', - style: { fontStyle: 'italic' }, - }, - bold: { - enclosure: '\\*\\*', - style: { fontWeight: 'bold' }, - }, - emoji: { - enclosure: ':', - style: {}, - } -}; - -const inlineRuleNames = Object.keys(inlineRules) as InlineRuleName[]; - -const captureInline = (enclosure: string): RegExp => { - return new RegExp(enclosure + '([^' + enclosure + ']+)' + enclosure); -} -const captureInlineSplit = (enclosure: string): string => { - return '(' + enclosure + '[^' + enclosure + ']+' + enclosure + ')'; -} -const concealRegex = /!?\[(.+?)\]\((.+?)\)/; -const concealRegexSplit = /(!?\[.+?\]\(.+?\))/g; -const rawLinkRegex = /((?:(?:[A-Za-z]{3,9}:(?:\/\/)?)(?:[-;:&=+$,\w]+@)?[A-Za-z0-9.-]+|(?:www\.|[-;:&=+$,\w]+@)[A-Za-z0-9.-]+)(?:(?:\/[+~%/.\w-_]*)?\??(?:[-+=&;%@.\w_]*)#?(?:[.!/\\\w]*))?)/; - -const ruleSplitPatterns: string[] = [concealRegexSplit.source, rawLinkRegex.source]; -inlineRuleNames.forEach(name => { - const enclosure = inlineRules[name].enclosure; - inlineRules[name].pattern = captureInline(enclosure); - ruleSplitPatterns.push(captureInlineSplit(enclosure)); -}); - -const splitter = new RegExp(ruleSplitPatterns.join('|')); - -const emojiList: Emoji[] = []; -axios.get('https://unpkg.com/emojilib@2.4.0/emojis.json').then(response => { - Object.keys(response.data).forEach(name => emojiList.push({ name, char: response.data[name].char })); -}); - -const SyntaxSpan: React.FC<PropTypes> = ({ data }) => { - if (!data) return null; - - const conceal = concealRegex.exec(data); - if (conceal) { - if (data[0] === '!') return <img src={conceal[2]} alt={conceal[1]} style={{ maxWidth: '100%', maxHeight: '100%' }} />; - return <Link href={conceal[2]}>{conceal[1]}</Link>; - } - - if (data.match(rawLinkRegex)) return <Link href={data}>{data}</Link>; - - let span = <>{data}</>; - inlineRuleNames.forEach(name => { - const rule = inlineRules[name]; - const match = data.match(rule.pattern || ''); - if (match) { - if (name === 'emoji') { - const emoji = emojiList.find(emoji => emoji.name === match[1]); - span = <span>{emoji ? emoji.char : ''}</span>; - } else span = <span style={rule.style}>{match[1]}</span>; - } - }); - return span; -} - -const Paragraph: React.FC<PropTypes> = ({ data }) => { - const result = data.split(splitter).map(span => <SyntaxSpan data={span} />); +const Paragraph: React.FC<InlineParserPropTypes> = ({ line }) => { + const result = line.split(splitter).map(span => <InlineSyntax line={span} />); return <p> {result} </p>; } |