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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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53
vendor/github.com/alecthomas/chroma/lexers/s/scheme.go generated vendored Normal file
View file

@ -0,0 +1,53 @@
package s
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// nolint
// Scheme lexer.
var SchemeLang = internal.Register(MustNewLexer(
&Config{
Name: "Scheme",
Aliases: []string{"scheme", "scm"},
Filenames: []string{"*.scm", "*.ss"},
MimeTypes: []string{"text/x-scheme", "application/x-scheme"},
},
Rules{
"root": {
{`;.*$`, CommentSingle, nil},
{`#\|`, CommentMultiline, Push("multiline-comment")},
{`#;\s*\(`, Comment, Push("commented-form")},
{`#!r6rs`, Comment, nil},
{`\s+`, Text, nil},
{`-?\d+\.\d+`, LiteralNumberFloat, nil},
{`-?\d+`, LiteralNumberInteger, nil},
{`"(\\\\|\\"|[^"])*"`, LiteralString, nil},
{`'[\w!$%&*+,/:<=>?@^~|-]+`, LiteralStringSymbol, nil},
{`#\\([()/'\"._!§$%& ?=+-]|[a-zA-Z0-9]+)`, LiteralStringChar, nil},
{`(#t|#f)`, NameConstant, nil},
{"('|#|`|,@|,|\\.)", Operator, nil},
{`(lambda |define |if |else |cond |and |or |case |let |let\* |letrec |begin |do |delay |set\! |\=\> |quote |quasiquote |unquote |unquote\-splicing |define\-syntax |let\-syntax |letrec\-syntax |syntax\-rules )`, Keyword, nil},
{`(?<='\()[\w!$%&*+,/:<=>?@^~|-]+`, NameVariable, nil},
{`(?<=#\()[\w!$%&*+,/:<=>?@^~|-]+`, NameVariable, nil},
{`(?<=\()(\* |\+ |\- |\/ |\< |\<\= |\= |\> |\>\= |abs |acos |angle |append |apply |asin |assoc |assq |assv |atan |boolean\? |caaaar |caaadr |caaar |caadar |caaddr |caadr |caar |cadaar |cadadr |cadar |caddar |cadddr |caddr |cadr |call\-with\-current\-continuation |call\-with\-input\-file |call\-with\-output\-file |call\-with\-values |call\/cc |car |cdaaar |cdaadr |cdaar |cdadar |cdaddr |cdadr |cdar |cddaar |cddadr |cddar |cdddar |cddddr |cdddr |cddr |cdr |ceiling |char\-\>integer |char\-alphabetic\? |char\-ci\<\=\? |char\-ci\<\? |char\-ci\=\? |char\-ci\>\=\? |char\-ci\>\? |char\-downcase |char\-lower\-case\? |char\-numeric\? |char\-ready\? |char\-upcase |char\-upper\-case\? |char\-whitespace\? |char\<\=\? |char\<\? |char\=\? |char\>\=\? |char\>\? |char\? |close\-input\-port |close\-output\-port |complex\? |cons |cos |current\-input\-port |current\-output\-port |denominator |display |dynamic\-wind |eof\-object\? |eq\? |equal\? |eqv\? |eval |even\? |exact\-\>inexact |exact\? |exp |expt |floor |for\-each |force |gcd |imag\-part |inexact\-\>exact |inexact\? |input\-port\? |integer\-\>char |integer\? |interaction\-environment |lcm |length |list |list\-\>string |list\-\>vector |list\-ref |list\-tail |list\? |load |log |magnitude |make\-polar |make\-rectangular |make\-string |make\-vector |map |max |member |memq |memv |min |modulo |negative\? |newline |not |null\-environment |null\? |number\-\>string |number\? |numerator |odd\? |open\-input\-file |open\-output\-file |output\-port\? |pair\? |peek\-char |port\? |positive\? |procedure\? |quotient |rational\? |rationalize |read |read\-char |real\-part |real\? |remainder |reverse |round |scheme\-report\-environment |set\-car\! |set\-cdr\! |sin |sqrt |string |string\-\>list |string\-\>number |string\-\>symbol |string\-append |string\-ci\<\=\? |string\-ci\<\? |string\-ci\=\? |string\-ci\>\=\? |string\-ci\>\? |string\-copy |string\-fill\! |string\-length |string\-ref |string\-set\! |string\<\=\? |string\<\? |string\=\? |string\>\=\? |string\>\? |string\? |substring |symbol\-\>string |symbol\? |tan |transcript\-off |transcript\-on |truncate |values |vector |vector\-\>list |vector\-fill\! |vector\-length |vector\-ref |vector\-set\! |vector\? |with\-input\-from\-file |with\-output\-to\-file |write |write\-char |zero\? )`, NameBuiltin, nil},
{`(?<=\()[\w!$%&*+,/:<=>?@^~|-]+`, NameFunction, nil},
{`[\w!$%&*+,/:<=>?@^~|-]+`, NameVariable, nil},
{`(\(|\))`, Punctuation, nil},
{`(\[|\])`, Punctuation, nil},
},
"multiline-comment": {
{`#\|`, CommentMultiline, Push()},
{`\|#`, CommentMultiline, Pop(1)},
{`[^|#]+`, CommentMultiline, nil},
{`[|#]`, CommentMultiline, nil},
},
"commented-form": {
{`\(`, Comment, Push()},
{`\)`, Comment, Pop(1)},
{`[^()]+`, Comment, nil},
},
},
))