mirror of
https://github.com/thomiceli/opengist.git
synced 2026-08-07 07:14:49 +00:00
Thomas
98 lines
2.4 KiB
Go
98 lines
2.4 KiB
Go
package render
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import (
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"bytes"
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"regexp"
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"github.com/alecthomas/chroma/v2/formatters/html"
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"github.com/thomiceli/opengist/internal/db"
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"github.com/thomiceli/opengist/internal/git"
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"github.com/yuin/goldmark"
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emoji "github.com/yuin/goldmark-emoji"
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highlighting "github.com/yuin/goldmark-highlighting/v2"
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"github.com/yuin/goldmark/extension"
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"github.com/yuin/goldmark/parser"
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"github.com/yuin/goldmark/util"
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"go.abhg.dev/goldmark/mermaid"
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)
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func MarkdownGistPreview(gist *db.Gist) (RenderedGist, error) {
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var buf bytes.Buffer
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err := newMarkdown().Convert([]byte(gist.Preview), &buf)
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// remove links in Markdown Preview, quick fix for now
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re := regexp.MustCompile(`<a\b[^>]*>(.*?)</a>`)
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return RenderedGist{
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Gist: gist,
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HTML: re.ReplaceAllString(buf.String(), `$1`),
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}, err
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}
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func renderMarkdownFile(file *git.File) (HighlightedFile, error) {
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var buf bytes.Buffer
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err := newMarkdownWithSvgExtension().Convert([]byte(file.Content), &buf)
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return HighlightedFile{
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File: file,
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HTML: buf.String(),
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Type: "Markdown",
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}, err
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}
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func MermaidGistPreview(gist *db.Gist) (RenderedGist, error) {
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var buf bytes.Buffer
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wrapped := "```mermaid\n" + gist.Preview + "\n```"
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err := newMarkdown().Convert([]byte(wrapped), &buf)
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return RenderedGist{
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Gist: gist,
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HTML: buf.String(),
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}, err
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}
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func renderMermaidFile(file *git.File) (HighlightedFile, error) {
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var buf bytes.Buffer
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wrapped := "```mermaid\n" + file.Content + "\n```"
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err := newMarkdown().Convert([]byte(wrapped), &buf)
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return HighlightedFile{
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File: file,
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HTML: buf.String(),
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Type: "Mermaid",
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}, err
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}
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func MarkdownString(content string) (string, error) {
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var buf bytes.Buffer
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err := newMarkdownWithSvgExtension().Convert([]byte(content), &buf)
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return buf.String(), err
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}
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func newMarkdown(extraExtensions ...goldmark.Extender) goldmark.Markdown {
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extensions := []goldmark.Extender{
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extension.GFM,
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highlighting.NewHighlighting(
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highlighting.WithStyle("catppuccin-latte"),
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highlighting.WithFormatOptions(html.WithClasses(true)),
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),
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emoji.Emoji,
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&mermaid.Extender{},
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&alertExtension{},
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}
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extensions = append(extensions, extraExtensions...)
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return goldmark.New(
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goldmark.WithExtensions(extensions...),
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goldmark.WithParserOptions(
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parser.WithASTTransformers(
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util.Prioritized(&checkboxTransformer{}, 10000),
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),
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),
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)
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}
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func newMarkdownWithSvgExtension() goldmark.Markdown {
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return newMarkdown(&svgToImgBase64{})
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}
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