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87 lines
3.1 KiB
Markdown
87 lines
3.1 KiB
Markdown
+++
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title = "Frontmatter"
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weight = 2
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+++
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Each Hugo page **has to define** a [frontmatter](https://gohugo.io/content/front-matter/).
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## All Frontmatter Options
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The values reflect example options. The defaults can be taken from the [annotated example](#annotated-frontmatter-options) below.
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{{< multiconfig fm=true >}}
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{{% include "cont/frontmatter/frontmatter.toml" %}}
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{{< /multiconfig >}}
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## Annotated Frontmatter Options
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````toml {title="toml"}
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+++
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{{% include "cont/frontmatter/frontmatter.toml" %}}+++
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````
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## Some Detailed Examples
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### Add Icon to a Menu Entry
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In the page frontmatter, add a `menuPre` param to insert any HTML code before the menu label. The example below uses the GitHub icon.
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{{< multiconfig fm=true >}}
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title = "GitHub repo"
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menuPre = "<i class='fab fa-github'></i> "
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{{< /multiconfig >}}
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### Ordering Sibling Menu/Page Entries
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Hugo provides a [flexible way](https://gohugo.io/content/ordering/) to handle order for your pages.
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The simplest way is to set `weight` parameter to a number.
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{{< multiconfig fm=true >}}
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title = "My page"
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weight = 5
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{{< /multiconfig >}}
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### Using a Custom Title for Menu Entries
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By default, the Relearn theme will use a page's `title` attribute for the menu item.
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But a page's title has to be descriptive on its own while the menu is a hierarchy. Hugo adds the `linkTitle` parameter for that purpose:
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For example (for a page named `content/install/linux.md`):
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{{< multiconfig fm=true >}}
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title = "Install on Linux"
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linkTitle = "Linux"
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{{< /multiconfig >}}
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### Override Expand State Rules for Menu Entries
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You can change how the theme expands menu entries on the side of the content with the `alwaysopen` setting on a per page basis. If `alwaysopen=false` for any given entry, its children will not be shown in the menu as long as it is not necessary for the sake of navigation.
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The theme generates the menu based on the following rules:
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- all parent entries of the active page including their siblings are shown regardless of any settings
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- immediate children entries of the active page are shown regardless of any settings
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- if not overridden, all other first level entries behave like they would have been given `alwaysopen=false`
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- if not overridden, all other entries of levels besides the first behave like they would have been given `alwaysopen=true`
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- all visible entries show their immediate children entries if `alwaysopen=true`; this proceeds recursively
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- all remaining entries are not shown
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You can see this feature in action on the example page for [children shortcode](shortcodes/children) and its children pages.
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## Disable Section Pages
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You may want to structure your pages in a hierarchical way but don't want to generate pages for those sections? The theme got you covered.
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To stay with the initial example: Suppose you want `level-one` appear in the sidebar but don't want to generate a page for it. So the entry in the sidebar should not be clickable but should show an expander.
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For this, open `content/level-one/_index.md` and add the following frontmatter
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{{< multiconfig fm=true >}}
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collapsibleMenu = true
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[_build]
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render = "never"
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{{< /multiconfig >}}
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