af7ffaa279
* 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>
48 lines
1.6 KiB
Go
48 lines
1.6 KiB
Go
package m
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import (
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. "github.com/alecthomas/chroma" // nolint
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"github.com/alecthomas/chroma/lexers/h"
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"github.com/alecthomas/chroma/lexers/internal"
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)
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// Markdown lexer.
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var Markdown = internal.Register(DelegatingLexer(h.HTML, MustNewLexer(
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&Config{
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Name: "markdown",
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Aliases: []string{"md", "mkd"},
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Filenames: []string{"*.md", "*.mkd", "*.markdown"},
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MimeTypes: []string{"text/x-markdown"},
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},
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Rules{
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"root": {
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{`^(#[^#].+\n)`, ByGroups(GenericHeading), nil},
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{`^(#{2,6}.+\n)`, ByGroups(GenericSubheading), nil},
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{`^(\s*)([*-] )(\[[ xX]\])( .+\n)`, ByGroups(Text, Keyword, Keyword, UsingSelf("inline")), nil},
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{`^(\s*)([*-])(\s)(.+\n)`, ByGroups(Text, Keyword, Text, UsingSelf("inline")), nil},
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{`^(\s*)([0-9]+\.)( .+\n)`, ByGroups(Text, Keyword, UsingSelf("inline")), nil},
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{`^(\s*>\s)(.+\n)`, ByGroups(Keyword, GenericEmph), nil},
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{"^(```\\n)([\\w\\W]*?)(^```$)", ByGroups(String, Text, String), nil},
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{"^(```)(\\w+)(\\n)([\\w\\W]*?)(^```$)",
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UsingByGroup(
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internal.Get,
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2, 4,
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String, String, String, Text, String,
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),
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nil,
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},
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Include("inline"),
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},
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"inline": {
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{`\\.`, Text, nil},
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{`(\s)([*_][^*_]+[*_])(\W|\n)`, ByGroups(Text, GenericEmph, Text), nil},
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{`(\s)((\*\*|__).*?)\3((?=\W|\n))`, ByGroups(Text, GenericStrong, GenericStrong, Text), nil},
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{`(\s)(~~[^~]+~~)((?=\W|\n))`, ByGroups(Text, GenericDeleted, Text), nil},
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{"`[^`]+`", LiteralStringBacktick, nil},
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{`[@#][\w/:]+`, NameEntity, nil},
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{`(!?\[)([^]]+)(\])(\()([^)]+)(\))`, ByGroups(Text, NameTag, Text, Text, NameAttribute, Text), nil},
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{`[^\\\s]+`, Other, nil},
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{`.|\n`, Other, nil},
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},
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},
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)))
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