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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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67
vendor/github.com/alecthomas/chroma/lexers/y/yang.go generated vendored Normal file
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@ -0,0 +1,67 @@
package y
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
var YANG = internal.Register(MustNewLexer(
&Config{
Name: "YANG",
Aliases: []string{"yang"},
Filenames: []string{"*.yang"},
MimeTypes: []string{"application/yang"},
},
Rules{
"root": {
{`\s+`, Whitespace, nil},
{`[\{\}\;]+`, Punctuation, nil},
{`(?<![\-\w])(and|or|not|\+|\.)(?![\-\w])`, Operator, nil},
{`"(?:\\"|[^"])*?"`, StringDouble, nil},
{`'(?:\\'|[^'])*?'`, StringSingle, nil},
{`/\*`, CommentMultiline, Push("comments")},
{`//.*?$`, CommentSingle, nil},
//match BNF stmt for `node-identifier` with [ prefix ":"]
{`(?:^|(?<=[\s{};]))([\w.-]+)(:)([\w.-]+)(?=[\s{};])`, ByGroups(KeywordNamespace, Punctuation, Text), nil},
//match BNF stmt `date-arg-str`
{`([0-9]{4}\-[0-9]{2}\-[0-9]{2})(?=[\s\{\}\;])`, LiteralDate, nil},
{`([0-9]+\.[0-9]+)(?=[\s\{\}\;])`, NumberFloat, nil},
{`([0-9]+)(?=[\s\{\}\;])`, NumberInteger, nil},
//TOP_STMTS_KEYWORDS
{Words(``, `(?=[^\w\-\:])`, `module`, `submodule`), Keyword, nil},
//MODULE_HEADER_STMT_KEYWORDS
{Words(``, `(?=[^\w\-\:])`, `belongs-to`, `namespace`, `prefix`, `yang-version`), Keyword, nil},
//META_STMT_KEYWORDS
{Words(``, `(?=[^\w\-\:])`, `contact`, `description`, `organization`, `reference`, `revision`), Keyword, nil},
//LINKAGE_STMTS_KEYWORDS
{Words(``, `(?=[^\w\-\:])`, `import`, `include`, `revision-date`), Keyword, nil},
//BODY_STMT_KEYWORDS
{Words(``, `(?=[^\w\-\:])`, `action`, `argument`, `augment`, `deviation`, `extension`, `feature`, `grouping`, `identity`, `if-feature`, `input`, `notification`, `output`, `rpc`, `typedef`), Keyword, nil},
//DATA_DEF_STMT_KEYWORDS
{Words(``, `(?=[^\w\-\:])`, `anydata`, `anyxml`, `case`, `choice`, `config`, `container`, `deviate`, `leaf`, `leaf-list`, `list`, `must`, `presence`, `refine`, `uses`, `when`), Keyword, nil},
//TYPE_STMT_KEYWORDS
{Words(``, `(?=[^\w\-\:])`, `base`, `bit`, `default`, `enum`, `error-app-tag`, `error-message`, `fraction-digits`, `length`, `max-elements`, `min-elements`, `modifier`, `ordered-by`, `path`, `pattern`, `position`, `range`, `require-instance`, `status`, `type`, `units`, `value`, `yin-element`), Keyword, nil},
//LIST_STMT_KEYWORDS
{Words(``, `(?=[^\w\-\:])`, `key`, `mandatory`, `unique`), Keyword, nil},
//CONSTANTS_KEYWORDS - RFC7950 other keywords
{Words(``, `(?=[^\w\-\:])`, `add`, `current`, `delete`, `deprecated`, `false`, `invert-match`, `max`, `min`, `not-supported`, `obsolete`, `replace`, `true`, `unbounded`, `user`), NameClass, nil},
//RFC7950 Built-In Types
{Words(``, `(?=[^\w\-\:])`, `binary`, `bits`, `boolean`, `decimal64`, `empty`, `enumeration`, `identityref`, `instance-identifier`, `int16`, `int32`, `int64`, `int8`, `leafref`, `string`, `uint16`, `uint32`, `uint64`, `uint8`, `union`), NameClass, nil},
{`[^;{}\s\'\"]+`, Text, nil},
},
"comments": {
{`[^*/]`, CommentMultiline, nil},
{`/\*`, CommentMultiline, Push("comment")},
{`\*/`, CommentMultiline, Pop(1)},
{`[*/]`, CommentMultiline, nil},
},
},
))