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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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50
vendor/github.com/alecthomas/chroma/lexers/p/prolog.go generated vendored Normal file
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@ -0,0 +1,50 @@
package p
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// Prolog lexer.
var Prolog = internal.Register(MustNewLexer(
&Config{
Name: "Prolog",
Aliases: []string{"prolog"},
Filenames: []string{"*.ecl", "*.prolog", "*.pro", "*.pl"},
MimeTypes: []string{"text/x-prolog"},
},
Rules{
"root": {
{`/\*`, CommentMultiline, Push("nested-comment")},
{`%.*`, CommentSingle, nil},
{`0\'.`, LiteralStringChar, nil},
{`0b[01]+`, LiteralNumberBin, nil},
{`0o[0-7]+`, LiteralNumberOct, nil},
{`0x[0-9a-fA-F]+`, LiteralNumberHex, nil},
{`\d\d?\'[a-zA-Z0-9]+`, LiteralNumberInteger, nil},
{`(\d+\.\d*|\d*\.\d+)([eE][+-]?[0-9]+)?`, LiteralNumberFloat, nil},
{`\d+`, LiteralNumberInteger, nil},
{`[\[\](){}|.,;!]`, Punctuation, nil},
{`:-|-->`, Punctuation, nil},
{`"(?:\\x[0-9a-fA-F]+\\|\\u[0-9a-fA-F]{4}|\\U[0-9a-fA-F]{8}|\\[0-7]+\\|\\["\nabcefnrstv]|[^\\"])*"`, LiteralStringDouble, nil},
{`'(?:''|[^'])*'`, LiteralStringAtom, nil},
{`is\b`, Operator, nil},
{`(<|>|=<|>=|==|=:=|=|/|//|\*|\+|-)(?=\s|[a-zA-Z0-9\[])`, Operator, nil},
{`(mod|div|not)\b`, Operator, nil},
{`_`, Keyword, nil},
{`([a-z]+)(:)`, ByGroups(NameNamespace, Punctuation), nil},
{`([a-zÀ-῿぀-퟿-￯][\w$À-῿぀-퟿-￯]*)(\s*)(:-|-->)`, ByGroups(NameFunction, Text, Operator), nil},
{`([a-zÀ-῿぀-퟿-￯][\w$À-῿぀-퟿-￯]*)(\s*)(\()`, ByGroups(NameFunction, Text, Punctuation), nil},
{`[a-zÀ-῿぀-퟿-￯][\w$À-῿぀-퟿-￯]*`, LiteralStringAtom, nil},
{`[#&*+\-./:<=>?@\\^~¡-¿‐-〿]+`, LiteralStringAtom, nil},
{`[A-Z_]\w*`, NameVariable, nil},
{`\s+|[ -‏￰-￾￯]`, Text, nil},
},
"nested-comment": {
{`\*/`, CommentMultiline, Pop(1)},
{`/\*`, CommentMultiline, Push()},
{`[^*/]+`, CommentMultiline, nil},
{`[*/]`, CommentMultiline, nil},
},
},
))