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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
54 lines
1.7 KiB
Go
54 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 compare
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// Eqer can be used to determine if this value is equal to the other.
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// The semantics of equals is that the two value are interchangeable
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// in the Hugo templates.
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type Eqer interface {
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// Eq returns whether this value is equal to the other.
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// This is for internal use.
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Eq(other any) bool
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}
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// ProbablyEqer is an equal check that may return false positives, but never
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// a false negative.
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type ProbablyEqer interface {
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// For internal use.
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ProbablyEq(other any) bool
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}
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// Comparer can be used to compare two values.
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// This will be used when using the le, ge etc. operators in the templates.
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// Compare returns -1 if the given version is less than, 0 if equal and 1 if greater than
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// the running version.
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type Comparer interface {
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Compare(other any) int
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}
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// Eq returns whether v1 is equal to v2.
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// It will use the Eqer interface if implemented, which
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// defines equals when two value are interchangeable
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// in the Hugo templates.
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func Eq(v1, v2 any) bool {
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if v1 == nil || v2 == nil {
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return v1 == v2
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}
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if eqer, ok := v1.(Eqer); ok {
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return eqer.Eq(v2)
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}
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return v1 == v2
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}
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