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Add "start with line number" and "continue line number" syntax to highlighted code blocks (#267)

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Signed-off-by: Tilman Vatteroth <tilman.vatteroth@tu-dortmund.de>
This commit is contained in:
mrdrogdrog 2020-06-24 23:53:26 +02:00 • committed by GitHub
parent cdadc7b41a
commit 312c86e702
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 31 additions and 17 deletions
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10
src/components/common/highlighted-code/highlighted-code.tsx
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@ -6,7 +6,7 @@ import './highlighted-code.scss'
export interface HighlightedCodeProps {
code: string,
language?: string,
showGutter: boolean
startLineNumber?: number
wrapLines: boolean
}
@ -32,7 +32,7 @@ const correctLanguage = (language: string | undefined): string | undefined => {
}
}
export const HighlightedCode: React.FC<HighlightedCodeProps> = ({ code, language, showGutter, wrapLines }) => {
export const HighlightedCode: React.FC<HighlightedCodeProps> = ({ code, language, startLineNumber, wrapLines }) => {
const highlightedCode = useMemo(() => {
const replacedLanguage = correctLanguage(language)
return ((!!replacedLanguage && checkIfLanguageIsSupported(replacedLanguage)) ? hljs.highlight(replacedLanguage, code).value : escapeHtml(code))
@ -42,13 +42,13 @@ export const HighlightedCode: React.FC<HighlightedCodeProps> = ({ code, language
}, [code, language])
return (
<code className={`hljs ${showGutter ? 'showGutter' : ''} ${wrapLines ? 'wrapLines' : ''}`}>
<code className={`hljs ${startLineNumber !== undefined ? 'showGutter' : ''} ${wrapLines ? 'wrapLines' : ''}`}>
{
highlightedCode
.map((line, index) => {
return <Fragment key={index}>
<span className={'linenumber'} data-line-number={index + 1}/>
<div className={'line'}>
<span className={'linenumber'} data-line-number={(startLineNumber || 1) + index}/>
<div className={'codeline'}>
{line}
</div>
</Fragment>