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53 lines
1.7 KiB
Markdown
53 lines
1.7 KiB
Markdown
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---
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title: Hugo Pipes Introduction
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description: Hugo Pipes is Hugo's asset processing set of functions.
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date: 2018-07-14
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publishdate: 2018-07-14
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lastmod: 2018-07-14
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categories: [asset management]
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keywords: []
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menu:
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docs:
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parent: "pipes"
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weight: 20
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weight: 01
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sections_weight: 01
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draft: false
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aliases: [/assets/]
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---
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### Asset directory
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Asset files must be stored in the asset directory. This is `/assets` by default, but can be configured via the configuration file's `assetDir` key.
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### From file to resource
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In order to process an asset with Hugo Pipes, it must be retrieved as a resource using `resources.Get`, which takes one argument: the filepath of the file relative to the asset directory.
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```go-html-template
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{{ $style := resources.Get "sass/main.scss" }}
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```
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### Asset publishing
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Assets will only be published (to `/public`) if `.Permalink` or `.RelPermalink` is used.
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### Go Pipes
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For improved readability, the Hugo Pipes examples of this documentation will be written using [Go Pipes](/templates/introduction/#pipes):
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```go-html-template
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{{ $style := resources.Get "sass/main.scss" | resources.ToCSS | resources.Minify | resources.Fingerprint }}
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<link rel="stylesheet" href="{{ $style.Permalink }}">
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```
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### Method aliases
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Each Hugo Pipes `resources` transformation method uses a __camelCased__ alias (`toCSS` for `resources.ToCSS`).
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Non-transformation methods deprived of such aliases are `resources.Get`, `resources.FromString`, `resources.ExecuteAsTemplate` and `resources.Concat`.
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The example above can therefore also be written as follows:
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```go-html-template
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{{ $style := resources.Get "sass/main.scss" | toCSS | minify | fingerprint }}
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<link rel="stylesheet" href="{{ $style.Permalink }}">
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```
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