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38 lines
1.2 KiB
Markdown
38 lines
1.2 KiB
Markdown
---
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title: transform.HighlightCodeBlock
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description: Highlights code received in context within a code block render hook.
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categories: []
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keywords: []
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action:
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aliases: []
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related:
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- functions/transform/CanHighlight
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- functions/transform/Highlight
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returnType: highlight.HighlightResult
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signatures: ['transform.HighlightCodeBlock CONTEXT [OPTIONS]']
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---
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This function is only useful within a code block render hook.
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Given the context passed into a code block render hook, `transform.HighlightCodeBlock` returns a `HighlightResult` object with two methods.
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.Wrapped
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: (`template.HTML`) Returns highlighted code wrapped in `<div>`, `<pre>`, and `<code>` elements. This is identical to the value returned by the transform.Highlight function.
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.Inner
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: (`template.HTML`) Returns highlighted code without any wrapping elements, allowing you to create your own wrapper.
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```go-html-template
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{{ $result := transform.HighlightCodeBlock . }}
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{{ $result.Wrapped }}
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```
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To override the default [highlighting options]:
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```go-html-template
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{{ $opts := merge .Options (dict "linenos" true) }}
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{{ $result := transform.HighlightCodeBlock . $opts }}
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{{ $result.Wrapped }}
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```
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[highlighting options]: /functions/transform/highlight/#options
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