This also speeds up situations where you only need the fragments/toc and not the rendered content, e.g. Related
with fragments type indexing:
```bash
name old time/op new time/op delta
RelatedSite-10 12.3ms ± 2% 10.7ms ± 1% -12.95% (p=0.029 n=4+4)
name old alloc/op new alloc/op delta
RelatedSite-10 38.6MB ± 0% 38.2MB ± 0% -1.08% (p=0.029 n=4+4)
name old allocs/op new allocs/op delta
RelatedSite-10 117k ± 0% 115k ± 0% -1.36% (p=0.029 n=4+4)
```
Fixes#10750
But only in the case where we know that we will need to access the Page fragments/tableofcontents.
In normal situations this will spread naturally across the CPU cores, but not in the situation where
`site.RegularPages.Related` gets called as part of e.g. the single template.
```bash
name old time/op new time/op delta
RelatedSite-10 18.0ms ± 2% 11.9ms ± 1% -34.17% (p=0.029 n=4+4)
name old alloc/op new alloc/op delta
RelatedSite-10 38.6MB ± 0% 38.6MB ± 0% ~ (p=0.114 n=4+4)
name old allocs/op new allocs/op delta
RelatedSite-10 117k ± 0% 117k ± 0% +0.23% (p=0.029 n=4+4)
```
See #10711
Instead of maintaing a list of all CSS units and functions this commit:
* Uses 3 regexps to detect typed CSS values (e.g. `24px`) + properly handle numeric Go types.
* These regexps may have some false positives -- e.g. strings that needs to be quoted.
* For that rare case, you can mark the string with e.g. `"32xxx" | css.Quoted`
* For the opposite case: `"32" | css.Unquoted`
Updates #10632
Variables passed via the hugo:vars function where passed as type string.
This caused problems when using the variables in sass functions because
these expect a specific type. Now we check if the passed variables have
to be quoted and therefore are of type string or if they should not be
quoted and let the type interpretation up to the sass compiler.
Fixes#10632
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 fixes a regression introduced in v0.93.0 where previously, a
mixed-case key for lineNos would be successfully parsed. This change
moves the configuration key lowercasing step into the configuration
normalization stage, which is called whether the highlighting config
is being parsed from a `string` or a `map`.
Fixes#10682
Note that this is backed by a LRU cache (which we soon shall see more usage of), so if you're a heavy user of cached partials it may be evicted and
refreshed if needed. But in most cases every partial is only invoked once.
This commit also adds a timeout (the global `timeout` config option) to make infinite recursion in partials
easier to reason about.
```
name old time/op new time/op delta
IncludeCached-10 8.92ms ± 0% 8.48ms ± 1% -4.87% (p=0.016 n=4+5)
name old alloc/op new alloc/op delta
IncludeCached-10 6.65MB ± 0% 5.17MB ± 0% -22.32% (p=0.002 n=6+6)
name old allocs/op new allocs/op delta
IncludeCached-10 117k ± 0% 71k ± 0% -39.44% (p=0.002 n=6+6)
```
Closes#4086
Updates #9588
