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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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48
vendor/github.com/alecthomas/chroma/lexers/a/awk.go generated vendored Normal file
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@ -0,0 +1,48 @@
package a
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// Awk lexer.
var Awk = internal.Register(MustNewLexer(
&Config{
Name: "Awk",
Aliases: []string{"awk", "gawk", "mawk", "nawk"},
Filenames: []string{"*.awk"},
MimeTypes: []string{"application/x-awk"},
},
Rules{
"commentsandwhitespace": {
{`\s+`, Text, nil},
{`#.*$`, CommentSingle, nil},
},
"slashstartsregex": {
Include("commentsandwhitespace"),
{`/(\\.|[^[/\\\n]|\[(\\.|[^\]\\\n])*])+/\B`, LiteralStringRegex, Pop(1)},
{`(?=/)`, Text, Push("#pop", "badregex")},
Default(Pop(1)),
},
"badregex": {
{`\n`, Text, Pop(1)},
},
"root": {
{`^(?=\s|/)`, Text, Push("slashstartsregex")},
Include("commentsandwhitespace"),
{`\+\+|--|\|\||&&|in\b|\$|!?~|(\*\*|[-<>+*%\^/!=|])=?`, Operator, Push("slashstartsregex")},
{`[{(\[;,]`, Punctuation, Push("slashstartsregex")},
{`[})\].]`, Punctuation, nil},
{`(break|continue|do|while|exit|for|if|else|return)\b`, Keyword, Push("slashstartsregex")},
{`function\b`, KeywordDeclaration, Push("slashstartsregex")},
{`(atan2|cos|exp|int|log|rand|sin|sqrt|srand|gensub|gsub|index|length|match|split|sprintf|sub|substr|tolower|toupper|close|fflush|getline|next|nextfile|print|printf|strftime|systime|delete|system)\b`, KeywordReserved, nil},
{`(ARGC|ARGIND|ARGV|BEGIN|CONVFMT|ENVIRON|END|ERRNO|FIELDWIDTHS|FILENAME|FNR|FS|IGNORECASE|NF|NR|OFMT|OFS|ORFS|RLENGTH|RS|RSTART|RT|SUBSEP)\b`, NameBuiltin, nil},
{`[$a-zA-Z_]\w*`, NameOther, nil},
{`[0-9][0-9]*\.[0-9]+([eE][0-9]+)?[fd]?`, LiteralNumberFloat, nil},
{`0x[0-9a-fA-F]+`, LiteralNumberHex, nil},
{`[0-9]+`, LiteralNumberInteger, nil},
{`"(\\\\|\\"|[^"])*"`, LiteralStringDouble, nil},
{`'(\\\\|\\'|[^'])*'`, LiteralStringSingle, nil},
},
},
))