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Server-side syntax highlighting for all code (#12047)

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* Server-side syntax hilighting for all code

This PR does a few things:

* Remove all traces of highlight.js
* Use chroma library to provide fast syntax hilighting directly on the server
* Provide syntax hilighting for diffs
* Re-style both unified and split diffs views
* Add custom syntax hilighting styling for both regular and arc-green

Fixes #7729
Fixes #10157
Fixes #11825
Fixes #7728
Fixes #3872
Fixes #3682

And perhaps gets closer to #9553

* fix line marker

* fix repo search

* Fix single line select

* properly load settings

* npm uninstall highlight.js

* review suggestion

* code review

* forgot to call function

* fix test

* Apply suggestions from code review

suggestions from @silverwind thanks

Co-authored-by: silverwind <me@silverwind.io>

* code review

* copy/paste error

* Use const for highlight size limit

* Update web_src/less/_repository.less

Co-authored-by: Lauris BH <lauris@nix.lv>

* update size limit to 1MB and other styling tweaks

* fix highlighting for certain diff sections

* fix test

* add worker back as suggested

Co-authored-by: silverwind <me@silverwind.io>
Co-authored-by: Lauris BH <lauris@nix.lv>
This commit is contained in:
mrsdizzie 2020-06-30 17:34:03 -04:00 • committed by GitHub
parent ce5f2b9845
commit af7ffaa279
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336 changed files with 37293 additions and 769 deletions
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37
vendor/github.com/alecthomas/chroma/styles/api.go generated vendored Normal file
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@ -0,0 +1,37 @@
package styles
import (
"sort"
"github.com/alecthomas/chroma"
)
// Registry of Styles.
var Registry = map[string]*chroma.Style{}
// Fallback style. Reassign to change the default fallback style.
var Fallback = SwapOff
// Register a chroma.Style.
func Register(style *chroma.Style) *chroma.Style {
Registry[style.Name] = style
return style
}
// Names of all available styles.
func Names() []string {
out := []string{}
for name := range Registry {
out = append(out, name)
}
sort.Strings(out)
return out
}
// Get named style, or Fallback.
func Get(name string) *chroma.Style {
if style, ok := Registry[name]; ok {
return style
}
return Fallback
}