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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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56
vendor/github.com/alecthomas/chroma/lexers/t/tex.go generated vendored Normal file
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@ -0,0 +1,56 @@
package t
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// Tex lexer.
var TeX = internal.Register(MustNewLexer(
&Config{
Name: "TeX",
Aliases: []string{"tex", "latex"},
Filenames: []string{"*.tex", "*.aux", "*.toc"},
MimeTypes: []string{"text/x-tex", "text/x-latex"},
},
Rules{
"general": {
{`%.*?\n`, Comment, nil},
{`[{}]`, NameBuiltin, nil},
{`[&_^]`, NameBuiltin, nil},
},
"root": {
{`\\\[`, LiteralStringBacktick, Push("displaymath")},
{`\\\(`, LiteralString, Push("inlinemath")},
{`\$\$`, LiteralStringBacktick, Push("displaymath")},
{`\$`, LiteralString, Push("inlinemath")},
{`\\([a-zA-Z]+|.)`, Keyword, Push("command")},
{`\\$`, Keyword, nil},
Include("general"),
{`[^\\$%&_^{}]+`, Text, nil},
},
"math": {
{`\\([a-zA-Z]+|.)`, NameVariable, nil},
Include("general"),
{`[0-9]+`, LiteralNumber, nil},
{`[-=!+*/()\[\]]`, Operator, nil},
{`[^=!+*/()\[\]\\$%&_^{}0-9-]+`, NameBuiltin, nil},
},
"inlinemath": {
{`\\\)`, LiteralString, Pop(1)},
{`\$`, LiteralString, Pop(1)},
Include("math"),
},
"displaymath": {
{`\\\]`, LiteralString, Pop(1)},
{`\$\$`, LiteralString, Pop(1)},
{`\$`, NameBuiltin, nil},
Include("math"),
},
"command": {
{`\[.*?\]`, NameAttribute, nil},
{`\*`, Keyword, nil},
Default(Pop(1)),
},
},
))