67 lines
1.3 KiB
Go
67 lines
1.3 KiB
Go
package render
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import (
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"bytes"
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"fmt"
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"io"
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"github.com/yuin/goldmark"
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meta "github.com/yuin/goldmark-meta"
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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/renderer/html"
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)
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var (
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md = goldmark.New(
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goldmark.WithExtensions(extension.GFM, meta.Meta),
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goldmark.WithParserOptions(
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parser.WithAutoHeadingID(),
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),
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goldmark.WithRendererOptions(
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html.WithUnsafe(),
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),
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)
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)
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type MarkdownPageData struct {
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Meta MetaTags
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Rendered string
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}
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func Markdown(reader io.ReadCloser) (htmlReader io.ReadCloser, err error) {
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// Convert markdown to HTML
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var buf bytes.Buffer
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// Read the body of the file
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body, err := io.ReadAll(reader)
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if err != nil {
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return nil, err
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}
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context := parser.NewContext()
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if err := md.Convert(body, &buf, parser.WithContext(context)); err != nil {
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return nil, err
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}
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metaData := meta.Get(context)
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markdownPageDate := MarkdownPageData{
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Rendered: buf.String(),
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}
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if title, ok := metaData["title"]; ok {
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markdownPageDate.Meta.Title = fmt.Sprintf("%v", title)
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}
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if description, ok := metaData["description"]; ok {
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markdownPageDate.Meta.Description = fmt.Sprintf("%v", description)
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}
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var page bytes.Buffer
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err = Template(&page, "markdown.tmpl", markdownPageDate)
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if err != nil {
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return nil, err
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}
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return io.NopCloser(&page), nil
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}
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