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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/lexers/c/cheetah.go generated vendored Normal file
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@ -0,0 +1,37 @@
package c
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
. "github.com/alecthomas/chroma/lexers/p" // nolint
)
// Cheetah lexer.
var Cheetah = internal.Register(MustNewLexer(
&Config{
Name: "Cheetah",
Aliases: []string{"cheetah", "spitfire"},
Filenames: []string{"*.tmpl", "*.spt"},
MimeTypes: []string{"application/x-cheetah", "application/x-spitfire"},
},
Rules{
"root": {
{`(##[^\n]*)$`, ByGroups(Comment), nil},
{`#[*](.|\n)*?[*]#`, Comment, nil},
{`#end[^#\n]*(?:#|$)`, CommentPreproc, nil},
{`#slurp$`, CommentPreproc, nil},
{`(#[a-zA-Z]+)([^#\n]*)(#|$)`, ByGroups(CommentPreproc, Using(Python), CommentPreproc), nil},
{`(\$)([a-zA-Z_][\w.]*\w)`, ByGroups(CommentPreproc, Using(Python)), nil},
{`(\$\{!?)(.*?)(\})(?s)`, ByGroups(CommentPreproc, Using(Python), CommentPreproc), nil},
{`(?sx)
(.+?) # anything, followed by:
(?:
(?=\#[#a-zA-Z]*) | # an eval comment
(?=\$[a-zA-Z_{]) | # a substitution
\Z # end of string
)
`, Other, nil},
{`\s+`, Text, nil},
},
},
))