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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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GPG key ID: 4AEE18F83AFDEB23
336 changed files with 37293 additions and 769 deletions
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55
vendor/github.com/alecthomas/chroma/lexers/n/newspeak.go generated vendored Normal file
View file

@ -0,0 +1,55 @@
package n
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// Newspeak lexer.
var Newspeak = internal.Register(MustNewLexer(
&Config{
Name: "Newspeak",
Aliases: []string{"newspeak"},
Filenames: []string{"*.ns2"},
MimeTypes: []string{"text/x-newspeak"},
},
Rules{
"root": {
{`\b(Newsqueak2)\b`, KeywordDeclaration, nil},
{`'[^']*'`, LiteralString, nil},
{`\b(class)(\s+)(\w+)(\s*)`, ByGroups(KeywordDeclaration, Text, NameClass, Text), nil},
{`\b(mixin|self|super|private|public|protected|nil|true|false)\b`, Keyword, nil},
{`(\w+\:)(\s*)([a-zA-Z_]\w+)`, ByGroups(NameFunction, Text, NameVariable), nil},
{`(\w+)(\s*)(=)`, ByGroups(NameAttribute, Text, Operator), nil},
{`<\w+>`, CommentSpecial, nil},
Include("expressionstat"),
Include("whitespace"),
},
"expressionstat": {
{`(\d+\.\d*|\.\d+|\d+[fF])[fF]?`, LiteralNumberFloat, nil},
{`\d+`, LiteralNumberInteger, nil},
{`:\w+`, NameVariable, nil},
{`(\w+)(::)`, ByGroups(NameVariable, Operator), nil},
{`\w+:`, NameFunction, nil},
{`\w+`, NameVariable, nil},
{`\(|\)`, Punctuation, nil},
{`\[|\]`, Punctuation, nil},
{`\{|\}`, Punctuation, nil},
{`(\^|\+|\/|~|\*|<|>|=|@|%|\||&|\?|!|,|-|:)`, Operator, nil},
{`\.|;`, Punctuation, nil},
Include("whitespace"),
Include("literals"),
},
"literals": {
{`\$.`, LiteralString, nil},
{`'[^']*'`, LiteralString, nil},
{`#'[^']*'`, LiteralStringSymbol, nil},
{`#\w+:?`, LiteralStringSymbol, nil},
{`#(\+|\/|~|\*|<|>|=|@|%|\||&|\?|!|,|-)+`, LiteralStringSymbol, nil},
},
"whitespace": {
{`\s+`, Text, nil},
{`"[^"]*"`, Comment, nil},
},
},
))