Line Numbers

The Highlight component has the option to add line numbers. See the following examples.

Number Lines

Add numberLine props to add line numbers.

1 
<Highlight
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  language={typescript}
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  code={test1}
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  numberLine
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/>
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<Avatar src="/images/profile-picture-3.webp" dot={{ placement: 'top-right', color: 'red' }} rounded />
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<Avatar src="/images/profile-picture-5.webp" dot={{ placement: 'bottom-right', color: 'green' }} />
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<Avatar src="/images/profile-picture-5.webp" dot={{ placement: 'bottom-right' }} rounded />

Hide Border

Add hideBorder props to hide the border.

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<Highlight
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  language={typescript}
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  code={test2}
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  hideBorder
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  numberLine
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/>
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<Avatar src="/images/profile-picture-3.webp" dot={{ placement: 'top-right', color: 'red' }} rounded />
8 
<Avatar src="/images/profile-picture-5.webp" dot={{ placement: 'bottom-right', color: 'green' }} />
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<Avatar src="/images/profile-picture-5.webp" dot={{ placement: 'bottom-right' }} rounded />

Wraped Lines

Add wrapLines props to wrap lines.

1 
<Highlight
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  language={typescript}
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  code={test3}
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  wrapLines
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  numberLine
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/>
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<Avatar src="/images/profile-picture-3.webp" dot={{ placement: 'top-right', color: 'red' }} rounded />
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<Avatar src="/images/profile-picture-5.webp" dot={{ placement: 'bottom-right', color: 'green' }} />
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<Avatar src="/images/profile-picture-5.webp" dot={{ placement: 'bottom-right' }} rounded />

Starting Line Number

Use the startingLineNumber props to set the start line number.

42 
<Highlight
43 
  language={typescript}
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  code={test4}
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  startingLineNumber={42}
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  numberLine
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/>
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<Avatar src="/images/profile-picture-3.webp" dot={{ placement: 'top-right', color: 'red' }} rounded />
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<Avatar src="/images/profile-picture-5.webp" dot={{ placement: 'bottom-right', color: 'green' }} />
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<Avatar src="/images/profile-picture-5.webp" dot={{ placement: 'bottom-right' }} rounded />

Highlighted Lines and Highlighted Background

Use the highlightedLines and highlightedBackground props to highlight lines.

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<Highlight
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  language={typescript}
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  code={modules['./samples/sample-5.svelte'] as string}
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  highlightedLines={[2, 4]}
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  --highlighted-background="#666"
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  numberLine
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/>
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<Avatar src="/images/profile-picture-3.webp" dot={{ placement: 'top-right', color: 'red' }} rounded />
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<Avatar src="/images/profile-picture-5.webp" dot={{ placement: 'bottom-right', color: 'green' }} />
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<Avatar src="/images/profile-picture-5.webp" dot={{ placement: 'bottom-right' }} rounded />

Custom styles

Use the --line-number-color , --border-color , --padding-left , --padding-right , and --highlighted-background props to customize the styles.

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<Highlight
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  language={typescript}
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  code={modules['./samples/sample-6.svelte']}
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  highlightedLines={[1, 3]}
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  --line-number-color="pink"
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  --border-color="rgba(25, 155, 55, 1)"
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  --padding-left={0}
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  --padding-right="3em"
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  --highlighted-background="#6e6e6e"
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  numberLine
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/>
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<Avatar src="/images/profile-picture-3.webp" dot={{ placement: 'top-right', color: 'red' }} rounded />
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<Avatar src="/images/profile-picture-5.webp" dot={{ placement: 'bottom-right', color: 'green' }} />
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<Avatar src="/images/profile-picture-5.webp" dot={{ placement: 'bottom-right' }} rounded />