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47 lines
892 B
Go

package operation
import (
"io"
"log"
"github.com/aziis98/cabret"
"github.com/iancoleman/strcase"
"github.com/yuin/goldmark"
meta "github.com/yuin/goldmark-meta"
"github.com/yuin/goldmark/parser"
)
func init() {
registerType("frontmatter", &Frontmatter{})
}
type Frontmatter struct {
Options map[string]any
}
func (op *Frontmatter) Load(config map[string]any) error {
return nil
}
func (op *Frontmatter) ProcessItem(content cabret.Content) (*cabret.Content, error) {
md := goldmark.New(
goldmark.WithExtensions(
meta.Meta,
),
)
log.Printf(`[operation.Frontmatter] reading frontmatter`)
context := parser.NewContext()
if err := md.Convert(content.Data, io.Discard, parser.WithContext(context)); err != nil {
panic(err)
}
frontmatter := meta.Get(context)
for k, v := range frontmatter {
content.Metadata[strcase.ToCamel(k)] = v
}
return &content, nil
}