feat: add command to generate css files

4 files changed, 165 insertions, 24 deletions

diff --git a/internal/generator/css.go b/internal/generator/css.go
index 99efa3f..9925d2a 100644
--- a/internal/generator/css.go
+++ b/internal/generator/css.go
@@ -3,10 +3,6 @@ package generator
 import (
 	"os"
 	"path/filepath"
-	"strings"
-
-	"github.com/alecthomas/chroma/v2/formatters/html"
-	"github.com/alecthomas/chroma/v2/styles"
 
 	"mokhan.ca/antonmedv/gitmal/internal/templates"
 )
@@ -45,29 +41,11 @@ func writeMarkdownCSS(cssDir string) error {
 }
 
 func writeSyntaxCSS(cssDir string) error {
-	formatter := html.New(
-		html.WithLineNumbers(true),
-		html.WithLinkableLineNumbers(true, "L"),
-		html.WithClasses(true),
-		html.WithCSSComments(false),
-	)
-	lightStyle := styles.Get("github")
-	darkStyle := styles.Get("github-dark")
-
-	var light, dark strings.Builder
-	_ = formatter.WriteCSS(&light, lightStyle)
-	_ = formatter.WriteCSS(&dark, darkStyle)
-
-	diffCSS := ".chroma .gi { display: block; }\n.chroma .gd { display: block; }\n"
-
 	css := "@media (prefers-color-scheme: light) {\n" +
-		light.String() +
-		diffCSS +
+		templates.CSSSyntaxLight +
 		"\n}\n" +
 		"@media (prefers-color-scheme: dark) {\n" +
-		dark.String() +
-		diffCSS +
+		templates.CSSSyntaxDark +
 		"\n}"
-
 	return os.WriteFile(filepath.Join(cssDir, "syntax.css"), []byte(css), 0o644)
 }
diff --git a/internal/templates/css/syntax_dark.css b/internal/templates/css/syntax_dark.css
new file mode 100644
index 0000000..036102c
--- /dev/null
+++ b/internal/templates/css/syntax_dark.css
@@ -0,0 +1,81 @@
+/* Background */ .bg { color: #e6edf3; background-color: #0d1117; }
+/* PreWrapper */ .chroma { color: #e6edf3; background-color: #0d1117; }
+/* LineNumbers targeted by URL anchor */ .chroma .ln:target { color: #e6edf3; background-color: #6e7681 }
+/* LineNumbersTable targeted by URL anchor */ .chroma .lnt:target { color: #e6edf3; background-color: #6e7681 }
+/* Error */ .chroma .err { color: #f85149 }
+/* LineLink */ .chroma .lnlinks { outline: none; text-decoration: none; color: inherit }
+/* LineTableTD */ .chroma .lntd { vertical-align: top; padding: 0; margin: 0; border: 0; }
+/* LineTable */ .chroma .lntable { border-spacing: 0; padding: 0; margin: 0; border: 0; }
+/* LineHighlight */ .chroma .hl { background-color: #6e7681 }
+/* LineNumbersTable */ .chroma .lnt { white-space: pre; -webkit-user-select: none; user-select: none; margin-right: 0.4em; padding: 0 0.4em 0 0.4em;color: #737679 }
+/* LineNumbers */ .chroma .ln { white-space: pre; -webkit-user-select: none; user-select: none; margin-right: 0.4em; padding: 0 0.4em 0 0.4em;color: #6e7681 }
+/* Line */ .chroma .line { display: flex; }
+/* Keyword */ .chroma .k { color: #ff7b72 }
+/* KeywordConstant */ .chroma .kc { color: #79c0ff }
+/* KeywordDeclaration */ .chroma .kd { color: #ff7b72 }
+/* KeywordNamespace */ .chroma .kn { color: #ff7b72 }
+/* KeywordPseudo */ .chroma .kp { color: #79c0ff }
+/* KeywordReserved */ .chroma .kr { color: #ff7b72 }
+/* KeywordType */ .chroma .kt { color: #ff7b72 }
+/* NameClass */ .chroma .nc { color: #f0883e; font-weight: bold }
+/* NameConstant */ .chroma .no { color: #79c0ff; font-weight: bold }
+/* NameDecorator */ .chroma .nd { color: #d2a8ff; font-weight: bold }
+/* NameEntity */ .chroma .ni { color: #ffa657 }
+/* NameException */ .chroma .ne { color: #f0883e; font-weight: bold }
+/* NameLabel */ .chroma .nl { color: #79c0ff; font-weight: bold }
+/* NameNamespace */ .chroma .nn { color: #ff7b72 }
+/* NameProperty */ .chroma .py { color: #79c0ff }
+/* NameTag */ .chroma .nt { color: #7ee787 }
+/* NameVariable */ .chroma .nv { color: #79c0ff }
+/* NameVariableClass */ .chroma .vc { color: #79c0ff }
+/* NameVariableGlobal */ .chroma .vg { color: #79c0ff }
+/* NameVariableInstance */ .chroma .vi { color: #79c0ff }
+/* NameVariableMagic */ .chroma .vm { color: #79c0ff }
+/* NameFunction */ .chroma .nf { color: #d2a8ff; font-weight: bold }
+/* NameFunctionMagic */ .chroma .fm { color: #d2a8ff; font-weight: bold }
+/* Literal */ .chroma .l { color: #a5d6ff }
+/* LiteralDate */ .chroma .ld { color: #79c0ff }
+/* LiteralString */ .chroma .s { color: #a5d6ff }
+/* LiteralStringAffix */ .chroma .sa { color: #79c0ff }
+/* LiteralStringBacktick */ .chroma .sb { color: #a5d6ff }
+/* LiteralStringChar */ .chroma .sc { color: #a5d6ff }
+/* LiteralStringDelimiter */ .chroma .dl { color: #79c0ff }
+/* LiteralStringDoc */ .chroma .sd { color: #a5d6ff }
+/* LiteralStringDouble */ .chroma .s2 { color: #a5d6ff }
+/* LiteralStringEscape */ .chroma .se { color: #79c0ff }
+/* LiteralStringHeredoc */ .chroma .sh { color: #79c0ff }
+/* LiteralStringInterpol */ .chroma .si { color: #a5d6ff }
+/* LiteralStringOther */ .chroma .sx { color: #a5d6ff }
+/* LiteralStringRegex */ .chroma .sr { color: #79c0ff }
+/* LiteralStringSingle */ .chroma .s1 { color: #a5d6ff }
+/* LiteralStringSymbol */ .chroma .ss { color: #a5d6ff }
+/* LiteralNumber */ .chroma .m { color: #a5d6ff }
+/* LiteralNumberBin */ .chroma .mb { color: #a5d6ff }
+/* LiteralNumberFloat */ .chroma .mf { color: #a5d6ff }
+/* LiteralNumberHex */ .chroma .mh { color: #a5d6ff }
+/* LiteralNumberInteger */ .chroma .mi { color: #a5d6ff }
+/* LiteralNumberIntegerLong */ .chroma .il { color: #a5d6ff }
+/* LiteralNumberOct */ .chroma .mo { color: #a5d6ff }
+/* Operator */ .chroma .o { color: #ff7b72; font-weight: bold }
+/* OperatorWord */ .chroma .ow { color: #ff7b72; font-weight: bold }
+/* Comment */ .chroma .c { color: #8b949e; font-style: italic }
+/* CommentHashbang */ .chroma .ch { color: #8b949e; font-style: italic }
+/* CommentMultiline */ .chroma .cm { color: #8b949e; font-style: italic }
+/* CommentSingle */ .chroma .c1 { color: #8b949e; font-style: italic }
+/* CommentSpecial */ .chroma .cs { color: #8b949e; font-weight: bold; font-style: italic }
+/* CommentPreproc */ .chroma .cp { color: #8b949e; font-weight: bold; font-style: italic }
+/* CommentPreprocFile */ .chroma .cpf { color: #8b949e; font-weight: bold; font-style: italic }
+/* GenericDeleted */ .chroma .gd { color: #ffa198; background-color: #490202 }
+/* GenericEmph */ .chroma .ge { font-style: italic }
+/* GenericError */ .chroma .gr { color: #ffa198 }
+/* GenericHeading */ .chroma .gh { color: #79c0ff; font-weight: bold }
+/* GenericInserted */ .chroma .gi { color: #56d364; background-color: #0f5323 }
+/* GenericOutput */ .chroma .go { color: #8b949e }
+/* GenericPrompt */ .chroma .gp { color: #8b949e }
+/* GenericStrong */ .chroma .gs { font-weight: bold }
+/* GenericSubheading */ .chroma .gu { color: #79c0ff }
+/* GenericTraceback */ .chroma .gt { color: #ff7b72 }
+/* GenericUnderline */ .chroma .gl { text-decoration: underline }
+/* TextWhitespace */ .chroma .w { color: #6e7681 }
+.chroma .gi { display: block; }
+.chroma .gd { display: block; }
diff --git a/internal/templates/css/syntax_light.css b/internal/templates/css/syntax_light.css
new file mode 100644
index 0000000..74c411e
--- /dev/null
+++ b/internal/templates/css/syntax_light.css
@@ -0,0 +1,76 @@
+/* Background */ .bg { background-color: #ffffff; }
+/* PreWrapper */ .chroma { background-color: #ffffff; }
+/* LineNumbers targeted by URL anchor */ .chroma .ln:target { background-color: #e5e5e5 }
+/* LineNumbersTable targeted by URL anchor */ .chroma .lnt:target { background-color: #e5e5e5 }
+/* Error */ .chroma .err { color: #f6f8fa; background-color: #82071e }
+/* LineLink */ .chroma .lnlinks { outline: none; text-decoration: none; color: inherit }
+/* LineTableTD */ .chroma .lntd { vertical-align: top; padding: 0; margin: 0; border: 0; }
+/* LineTable */ .chroma .lntable { border-spacing: 0; padding: 0; margin: 0; border: 0; }
+/* LineHighlight */ .chroma .hl { background-color: #e5e5e5 }
+/* LineNumbersTable */ .chroma .lnt { white-space: pre; -webkit-user-select: none; user-select: none; margin-right: 0.4em; padding: 0 0.4em 0 0.4em;color: #7f7f7f }
+/* LineNumbers */ .chroma .ln { white-space: pre; -webkit-user-select: none; user-select: none; margin-right: 0.4em; padding: 0 0.4em 0 0.4em;color: #7f7f7f }
+/* Line */ .chroma .line { display: flex; }
+/* Keyword */ .chroma .k { color: #cf222e }
+/* KeywordConstant */ .chroma .kc { color: #cf222e }
+/* KeywordDeclaration */ .chroma .kd { color: #cf222e }
+/* KeywordNamespace */ .chroma .kn { color: #cf222e }
+/* KeywordPseudo */ .chroma .kp { color: #cf222e }
+/* KeywordReserved */ .chroma .kr { color: #cf222e }
+/* KeywordType */ .chroma .kt { color: #cf222e }
+/* NameAttribute */ .chroma .na { color: #1f2328 }
+/* NameClass */ .chroma .nc { color: #1f2328 }
+/* NameConstant */ .chroma .no { color: #0550ae }
+/* NameDecorator */ .chroma .nd { color: #0550ae }
+/* NameEntity */ .chroma .ni { color: #6639ba }
+/* NameLabel */ .chroma .nl { color: #990000; font-weight: bold }
+/* NameNamespace */ .chroma .nn { color: #24292e }
+/* NameOther */ .chroma .nx { color: #1f2328 }
+/* NameTag */ .chroma .nt { color: #0550ae }
+/* NameBuiltin */ .chroma .nb { color: #6639ba }
+/* NameBuiltinPseudo */ .chroma .bp { color: #6a737d }
+/* NameVariable */ .chroma .nv { color: #953800 }
+/* NameVariableClass */ .chroma .vc { color: #953800 }
+/* NameVariableGlobal */ .chroma .vg { color: #953800 }
+/* NameVariableInstance */ .chroma .vi { color: #953800 }
+/* NameVariableMagic */ .chroma .vm { color: #953800 }
+/* NameFunction */ .chroma .nf { color: #6639ba }
+/* NameFunctionMagic */ .chroma .fm { color: #6639ba }
+/* LiteralString */ .chroma .s { color: #0a3069 }
+/* LiteralStringAffix */ .chroma .sa { color: #0a3069 }
+/* LiteralStringBacktick */ .chroma .sb { color: #0a3069 }
+/* LiteralStringChar */ .chroma .sc { color: #0a3069 }
+/* LiteralStringDelimiter */ .chroma .dl { color: #0a3069 }
+/* LiteralStringDoc */ .chroma .sd { color: #0a3069 }
+/* LiteralStringDouble */ .chroma .s2 { color: #0a3069 }
+/* LiteralStringEscape */ .chroma .se { color: #0a3069 }
+/* LiteralStringHeredoc */ .chroma .sh { color: #0a3069 }
+/* LiteralStringInterpol */ .chroma .si { color: #0a3069 }
+/* LiteralStringOther */ .chroma .sx { color: #0a3069 }
+/* LiteralStringRegex */ .chroma .sr { color: #0a3069 }
+/* LiteralStringSingle */ .chroma .s1 { color: #0a3069 }
+/* LiteralStringSymbol */ .chroma .ss { color: #032f62 }
+/* LiteralNumber */ .chroma .m { color: #0550ae }
+/* LiteralNumberBin */ .chroma .mb { color: #0550ae }
+/* LiteralNumberFloat */ .chroma .mf { color: #0550ae }
+/* LiteralNumberHex */ .chroma .mh { color: #0550ae }
+/* LiteralNumberInteger */ .chroma .mi { color: #0550ae }
+/* LiteralNumberIntegerLong */ .chroma .il { color: #0550ae }
+/* LiteralNumberOct */ .chroma .mo { color: #0550ae }
+/* Operator */ .chroma .o { color: #0550ae }
+/* OperatorWord */ .chroma .ow { color: #0550ae }
+/* Punctuation */ .chroma .p { color: #1f2328 }
+/* Comment */ .chroma .c { color: #57606a }
+/* CommentHashbang */ .chroma .ch { color: #57606a }
+/* CommentMultiline */ .chroma .cm { color: #57606a }
+/* CommentSingle */ .chroma .c1 { color: #57606a }
+/* CommentSpecial */ .chroma .cs { color: #57606a }
+/* CommentPreproc */ .chroma .cp { color: #57606a }
+/* CommentPreprocFile */ .chroma .cpf { color: #57606a }
+/* GenericDeleted */ .chroma .gd { color: #82071e; background-color: #ffebe9 }
+/* GenericEmph */ .chroma .ge { color: #1f2328 }
+/* GenericInserted */ .chroma .gi { color: #116329; background-color: #dafbe1 }
+/* GenericOutput */ .chroma .go { color: #1f2328 }
+/* GenericUnderline */ .chroma .gl { text-decoration: underline }
+/* TextWhitespace */ .chroma .w { color: #ffffff }
+.chroma .gi { display: block; }
+.chroma .gd { display: block; }
diff --git a/internal/templates/templates.go b/internal/templates/templates.go
index 92b19ee..b5c29d5 100644
--- a/internal/templates/templates.go
+++ b/internal/templates/templates.go
@@ -32,6 +32,12 @@ var CSSMarkdownLight string
 //go:embed css/markdown_dark.css
 var CSSMarkdownDark string
 
+//go:embed css/syntax_light.css
+var CSSSyntaxLight string
+
+//go:embed css/syntax_dark.css
+var CSSSyntaxDark string
+
 //go:embed layout.gohtml header.gohtml file_tree.gohtml svg.gohtml
 var layoutContent embed.FS
 var layout = Must(New("layout").Funcs(funcs).ParseFS(layoutContent, "*.gohtml"))