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Add page fragments support to Related

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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
This commit is contained in:
Bjørn Erik Pedersen 2023-02-11 16:20:24 +01:00
parent 0afec0a9f4
commit 90da7664bf
66 changed files with 1363 additions and 829 deletions
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7
hugolib/site_test.go
View file

@ -14,6 +14,7 @@
package hugolib
import (
"context"
"encoding/json"
"fmt"
"io/ioutil"
@ -630,7 +631,7 @@ func TestOrderedPages(t *testing.T) {
t.Errorf("Pages in unexpected order. First should be '%s', got '%s'", "Three", rbypubdate[0].Title())
}
bylength := s.RegularPages().ByLength()
bylength := s.RegularPages().ByLength(context.Background())
if bylength[0].Title() != "One" {
t.Errorf("Pages in unexpected order. First should be '%s', got '%s'", "One", bylength[0].Title())
}
@ -662,7 +663,7 @@ func TestGroupedPages(t *testing.T) {
writeSourcesToSource(t, "content", fs, groupedSources...)
s := buildSingleSite(t, deps.DepsCfg{Fs: fs, Cfg: cfg}, BuildCfg{})
rbysection, err := s.RegularPages().GroupBy("Section", "desc")
rbysection, err := s.RegularPages().GroupBy(context.Background(), "Section", "desc")
if err != nil {
t.Fatalf("Unable to make PageGroup array: %s", err)
}
@ -683,7 +684,7 @@ func TestGroupedPages(t *testing.T) {
t.Errorf("PageGroup has unexpected number of pages. Third group should have '%d' pages, got '%d' pages", 2, len(rbysection[2].Pages))
}
bytype, err := s.RegularPages().GroupBy("Type", "asc")
bytype, err := s.RegularPages().GroupBy(context.Background(), "Type", "asc")
if err != nil {
t.Fatalf("Unable to make PageGroup array: %s", err)
}