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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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67
vendor/github.com/alecthomas/chroma/lexers/t/turtle.go generated vendored Normal file
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@ -0,0 +1,67 @@
package t
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// Turtle lexer.
var Turtle = internal.Register(MustNewLexer(
&Config{
Name: "Turtle",
Aliases: []string{"turtle"},
Filenames: []string{"*.ttl"},
MimeTypes: []string{"text/turtle", "application/x-turtle"},
NotMultiline: true,
CaseInsensitive: true,
},
Rules{
"root": {
{`\s+`, TextWhitespace, nil},
{"(@base|BASE)(\\s+)(<[^<>\"{}|^`\\\\\\x00-\\x20]*>)(\\s*)(\\.?)", ByGroups(Keyword, TextWhitespace, NameVariable, TextWhitespace, Punctuation), nil},
{"(@prefix|PREFIX)(\\s+)((?:[a-z][\\w-]*)?\\:)(\\s+)(<[^<>\"{}|^`\\\\\\x00-\\x20]*>)(\\s*)(\\.?)", ByGroups(Keyword, TextWhitespace, NameNamespace, TextWhitespace, NameVariable, TextWhitespace, Punctuation), nil},
{`(?<=\s)a(?=\s)`, KeywordType, nil},
{"(<[^<>\"{}|^`\\\\\\x00-\\x20]*>)", NameVariable, nil},
{`((?:[a-z][\w-]*)?\:)([a-z][\w-]*)`, ByGroups(NameNamespace, NameTag), nil},
{`#[^\n]+`, Comment, nil},
{`\b(true|false)\b`, Literal, nil},
{`[+\-]?\d*\.\d+`, LiteralNumberFloat, nil},
{`[+\-]?\d*(:?\.\d+)?E[+\-]?\d+`, LiteralNumberFloat, nil},
{`[+\-]?\d+`, LiteralNumberInteger, nil},
{`[\[\](){}.;,:^]`, Punctuation, nil},
{`"""`, LiteralString, Push("triple-double-quoted-string")},
{`"`, LiteralString, Push("single-double-quoted-string")},
{`'''`, LiteralString, Push("triple-single-quoted-string")},
{`'`, LiteralString, Push("single-single-quoted-string")},
},
"triple-double-quoted-string": {
{`"""`, LiteralString, Push("end-of-string")},
{`[^\\]+`, LiteralString, nil},
{`\\`, LiteralString, Push("string-escape")},
},
"single-double-quoted-string": {
{`"`, LiteralString, Push("end-of-string")},
{`[^"\\\n]+`, LiteralString, nil},
{`\\`, LiteralString, Push("string-escape")},
},
"triple-single-quoted-string": {
{`'''`, LiteralString, Push("end-of-string")},
{`[^\\]+`, LiteralString, nil},
{`\\`, LiteralString, Push("string-escape")},
},
"single-single-quoted-string": {
{`'`, LiteralString, Push("end-of-string")},
{`[^'\\\n]+`, LiteralString, nil},
{`\\`, LiteralString, Push("string-escape")},
},
"string-escape": {
{`.`, LiteralString, Pop(1)},
},
"end-of-string": {
{`(@)([a-z]+(:?-[a-z0-9]+)*)`, ByGroups(Operator, GenericEmph, GenericEmph), Pop(2)},
{"(\\^\\^)(<[^<>\"{}|^`\\\\\\x00-\\x20]*>)", ByGroups(Operator, GenericEmph), Pop(2)},
{`(\^\^)((?:[a-z][\w-]*)?\:)([a-z][\w-]*)`, ByGroups(Operator, GenericEmph, GenericEmph), Pop(2)},
Default(Pop(2)),
},
},
))