mirror of
https://github.com/gohugoio/hugo.git
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90da7664bf
The main topic of this commit is that you can now index fragments (content heading identifiers) when calling `.Related`.
You can do this by:
* Configure one or more indices with type `fragments`
* The name of those index configurations maps to an (optional) front matter slice with fragment references. This allows you to link
page<->fragment and page<->page.
* This also will index all the fragments (heading identifiers) of the pages.
It's also possible to use type `fragments` indices in shortcode, e.g.:
```
{{ $related := site.RegularPages.Related .Page }}
```
But, and this is important, you need to include the shortcode using the `{{<` delimiter. Not doing so will create infinite loops and timeouts.
This commit also:
* Adds two new methods to Page: Fragments (can also be used to build ToC) and HeadingsFiltered (this is only used in Related Content with
index type `fragments` and `enableFilter` set to true.
* Consolidates all `.Related*` methods into one, which takes either a `Page` or an options map as its only argument.
* Add `context.Context` to all of the content related Page API. Turns out it wasn't strictly needed for this particular feature, but it will
soon become usefil, e.g. in #9339.
Closes #10711
Updates #9339
Updates #10725
77 lines
1.7 KiB
Go
77 lines
1.7 KiB
Go
// Copyright 2019 The Hugo Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package hugolib
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import (
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"context"
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"github.com/gohugoio/hugo/lazy"
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"github.com/gohugoio/hugo/resources/page"
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)
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func newPagePosition(n *nextPrev) pagePosition {
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return pagePosition{nextPrev: n}
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}
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func newPagePositionInSection(n *nextPrev) pagePositionInSection {
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return pagePositionInSection{nextPrev: n}
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}
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type nextPrev struct {
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init *lazy.Init
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prevPage page.Page
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nextPage page.Page
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}
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func (n *nextPrev) next() page.Page {
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n.init.Do(context.Background())
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return n.nextPage
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}
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func (n *nextPrev) prev() page.Page {
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n.init.Do(context.Background())
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return n.prevPage
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}
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type pagePosition struct {
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*nextPrev
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}
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func (p pagePosition) Next() page.Page {
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return p.next()
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}
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func (p pagePosition) NextPage() page.Page {
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return p.Next()
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}
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func (p pagePosition) Prev() page.Page {
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return p.prev()
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}
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func (p pagePosition) PrevPage() page.Page {
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return p.Prev()
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}
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type pagePositionInSection struct {
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*nextPrev
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}
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func (p pagePositionInSection) NextInSection() page.Page {
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return p.next()
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}
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func (p pagePositionInSection) PrevInSection() page.Page {
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return p.prev()
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}
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