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47 lines
1 KiB
Markdown
47 lines
1 KiB
Markdown
---
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title: safeHTMLAttr
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description: Declares the provided string as a safe HTML attribute.
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categories: [functions]
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menu:
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docs:
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parent: functions
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keywords: [strings]
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signature: ["safeHTMLAttr INPUT"]
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relatedfuncs: []
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aliases: []
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---
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Given a site configuration that contains this menu entry:
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{{< code-toggle file="config" >}}
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[[menu.main]]
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name = "IRC"
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url = "irc://irc.freenode.net/#golang"
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{{< /code-toggle >}}
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Attempting to use the `url` value directly in an attribute:
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```go-html-template
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{{ range site.Menus.main }}
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<a href="{{ .URL }}">{{ .Name }}</a>
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{{ end }}
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```
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Will produce:
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```html
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<a href="#ZgotmplZ">IRC</a>
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```
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`ZgotmplZ` is a special value, inserted by Go's [template/html] package, that indicates that unsafe content reached a CSS or URL context.
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To override the safety check, use the `safeHTMLAttr` function:
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```go-html-template
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{{ range site.Menus.main }}
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<a {{ printf "href=%q" .URL | safeHTMLAttr }}>{{ .Name }}</a>
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{{ end }}
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```
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[template/html]: https://pkg.go.dev/html/template
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