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88 lines
2.5 KiB
Markdown
88 lines
2.5 KiB
Markdown
---
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title: partials.Include
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description: Executes the given partial template, optionally passing context. If the partial template contains a return statement, returns the given value, else returns the rendered output.
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categories: []
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keywords: []
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action:
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aliases: [partial]
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related:
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- functions/go-template/return
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- functions/partials/IncludeCached
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- functions/go-template/template
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- methods/page/Render
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returnType: any
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signatures: ['partials.Include NAME [CONTEXT]']
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aliases: [/functions/partial]
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---
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Without a [`return`] statement, the `partial` function returns a string of type `template.HTML`. With a `return` statement, the `partial` function can return any data type.
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[`return`]: /functions/go-template/return/
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In this example we have three partial templates:
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```text
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layouts/
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└── partials/
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├── average.html
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├── breadcrumbs.html
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└── footer.html
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```
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The "average" partial returns the average of one or more numbers. We pass the numbers in context:
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```go-html-template
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{{ $numbers := slice 1 6 7 42 }}
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{{ $average := partial "average.html" $numbers }}
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```
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The "breadcrumbs" partial renders [breadcrumb navigation], and needs to receive the current page in context:
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```go-html-template
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{{ partial "breadcrumbs.html" . }}
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```
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The "footer" partial renders the site footer. In this contrived example, the footer does not need access to the current page, so we can omit context:
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```go-html-template
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{{ partial "footer.html" }}
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```
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You can pass anything in context: a page, a page collection, a scalar value, a slice, or a map. In this example we pass the current page and three scalar values:
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```go-html-template
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{{ $ctx := dict
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"page" .
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"name" "John Doe"
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"major" "Finance"
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"gpa" 4.0
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}}
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{{ partial "render-student-info.html" $ctx }}
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```
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Then, within the partial template:
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```go-html-template
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<p>{{ .name }} is majoring in {{ .major }}.</p>
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<p>Their grade point average is {{ .gpa }}.</p>
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<p>See <a href="{{ .page.RelPermalink }}">details.</a></p>
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```
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To return a value from a partial template, it must contain only one `return` statement, placed at the end of the template:
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```go-html-template
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{{ $result := "" }}
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{{ if math.ModBool . 2 }}
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{{ $result = "even" }}
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{{ else }}
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{{ $result = "odd" }}
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{{ end }}
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{{ return $result }}
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```
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See [details][`return`].
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[`return`]: /functions/go-template/return/
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[breadcrumb navigation]: /content-management/sections/#ancestors-and-descendants
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[details]: /functions/go-template/return/
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