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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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14
hugolib/hugo_sites.go
View File

@@ -194,7 +194,7 @@ func (h *hugoSitesInit) Reset() {
}
func (h *HugoSites) Data() map[string]any {
if _, err := h.init.data.Do(); err != nil {
if _, err := h.init.data.Do(context.Background()); err != nil {
h.SendError(fmt.Errorf("failed to load data: %w", err))
return nil
}
@@ -202,7 +202,7 @@ func (h *HugoSites) Data() map[string]any {
}
func (h *HugoSites) gitInfoForPage(p page.Page) (source.GitInfo, error) {
if _, err := h.init.gitInfo.Do(); err != nil {
if _, err := h.init.gitInfo.Do(context.Background()); err != nil {
return source.GitInfo{}, err
}
@@ -214,7 +214,7 @@ func (h *HugoSites) gitInfoForPage(p page.Page) (source.GitInfo, error) {
}
func (h *HugoSites) codeownersForPage(p page.Page) ([]string, error) {
if _, err := h.init.gitInfo.Do(); err != nil {
if _, err := h.init.gitInfo.Do(context.Background()); err != nil {
return nil, err
}
@@ -363,7 +363,7 @@ func newHugoSites(cfg deps.DepsCfg, sites ...*Site) (*HugoSites, error) {
donec: make(chan bool),
}
h.init.data.Add(func() (any, error) {
h.init.data.Add(func(context.Context) (any, error) {
err := h.loadData(h.PathSpec.BaseFs.Data.Dirs)
if err != nil {
return nil, fmt.Errorf("failed to load data: %w", err)
@@ -371,7 +371,7 @@ func newHugoSites(cfg deps.DepsCfg, sites ...*Site) (*HugoSites, error) {
return nil, nil
})
h.init.layouts.Add(func() (any, error) {
h.init.layouts.Add(func(context.Context) (any, error) {
for _, s := range h.Sites {
if err := s.Tmpl().(tpl.TemplateManager).MarkReady(); err != nil {
return nil, err
@@ -380,7 +380,7 @@ func newHugoSites(cfg deps.DepsCfg, sites ...*Site) (*HugoSites, error) {
return nil, nil
})
h.init.translations.Add(func() (any, error) {
h.init.translations.Add(func(context.Context) (any, error) {
if len(h.Sites) > 1 {
allTranslations := pagesToTranslationsMap(h.Sites)
assignTranslationsToPages(allTranslations, h.Sites)
@@ -389,7 +389,7 @@ func newHugoSites(cfg deps.DepsCfg, sites ...*Site) (*HugoSites, error) {
return nil, nil
})
h.init.gitInfo.Add(func() (any, error) {
h.init.gitInfo.Add(func(context.Context) (any, error) {
err := h.loadGitInfo()
if err != nil {
return nil, fmt.Errorf("failed to load Git info: %w", err)