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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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115
vendor/github.com/alecthomas/chroma/lexers/m/modula2.go generated vendored Normal file
View file

@ -0,0 +1,115 @@
package m
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// Modula-2 lexer.
var Modula2 = internal.Register(MustNewLexer(
&Config{
Name: "Modula-2",
Aliases: []string{"modula2", "m2"},
Filenames: []string{"*.def", "*.mod"},
MimeTypes: []string{"text/x-modula2"},
DotAll: true,
},
Rules{
"whitespace": {
{`\n+`, Text, nil},
{`\s+`, Text, nil},
},
"dialecttags": {
{`\(\*!m2pim\*\)`, CommentSpecial, nil},
{`\(\*!m2iso\*\)`, CommentSpecial, nil},
{`\(\*!m2r10\*\)`, CommentSpecial, nil},
{`\(\*!objm2\*\)`, CommentSpecial, nil},
{`\(\*!m2iso\+aglet\*\)`, CommentSpecial, nil},
{`\(\*!m2pim\+gm2\*\)`, CommentSpecial, nil},
{`\(\*!m2iso\+p1\*\)`, CommentSpecial, nil},
{`\(\*!m2iso\+xds\*\)`, CommentSpecial, nil},
},
"identifiers": {
{`([a-zA-Z_$][\w$]*)`, Name, nil},
},
"prefixed_number_literals": {
{`0b[01]+(\'[01]+)*`, LiteralNumberBin, nil},
{`0[ux][0-9A-F]+(\'[0-9A-F]+)*`, LiteralNumberHex, nil},
},
"plain_number_literals": {
{`[0-9]+(\'[0-9]+)*\.[0-9]+(\'[0-9]+)*[eE][+-]?[0-9]+(\'[0-9]+)*`, LiteralNumberFloat, nil},
{`[0-9]+(\'[0-9]+)*\.[0-9]+(\'[0-9]+)*`, LiteralNumberFloat, nil},
{`[0-9]+(\'[0-9]+)*`, LiteralNumberInteger, nil},
},
"suffixed_number_literals": {
{`[0-7]+B`, LiteralNumberOct, nil},
{`[0-7]+C`, LiteralNumberOct, nil},
{`[0-9A-F]+H`, LiteralNumberHex, nil},
},
"string_literals": {
{`'(\\\\|\\'|[^'])*'`, LiteralString, nil},
{`"(\\\\|\\"|[^"])*"`, LiteralString, nil},
},
"digraph_operators": {
{`\*\.`, Operator, nil},
{`\+>`, Operator, nil},
{`<>`, Operator, nil},
{`<=`, Operator, nil},
{`>=`, Operator, nil},
{`==`, Operator, nil},
{`::`, Operator, nil},
{`:=`, Operator, nil},
{`\+\+`, Operator, nil},
{`--`, Operator, nil},
},
"unigraph_operators": {
{`[+-]`, Operator, nil},
{`[*/]`, Operator, nil},
{`\\`, Operator, nil},
{`[=#<>]`, Operator, nil},
{`\^`, Operator, nil},
{`@`, Operator, nil},
{`&`, Operator, nil},
{`~`, Operator, nil},
{"`", Operator, nil},
},
"digraph_punctuation": {
{`\.\.`, Punctuation, nil},
{`<<`, Punctuation, nil},
{`>>`, Punctuation, nil},
{`->`, Punctuation, nil},
{`\|#`, Punctuation, nil},
{`##`, Punctuation, nil},
{`\|\*`, Punctuation, nil},
},
"unigraph_punctuation": {
{`[()\[\]{},.:;|]`, Punctuation, nil},
{`!`, Punctuation, nil},
{`\?`, Punctuation, nil},
},
"comments": {
{`^//.*?\n`, CommentSingle, nil},
{`\(\*([^$].*?)\*\)`, CommentMultiline, nil},
{`/\*(.*?)\*/`, CommentMultiline, nil},
},
"pragmas": {
{`<\*.*?\*>`, CommentPreproc, nil},
{`\(\*\$.*?\*\)`, CommentPreproc, nil},
},
"root": {
Include("whitespace"),
Include("dialecttags"),
Include("pragmas"),
Include("comments"),
Include("identifiers"),
Include("suffixed_number_literals"),
Include("prefixed_number_literals"),
Include("plain_number_literals"),
Include("string_literals"),
Include("digraph_punctuation"),
Include("digraph_operators"),
Include("unigraph_punctuation"),
Include("unigraph_operators"),
},
},
))