58 lines
1.5 KiB
Go
58 lines
1.5 KiB
Go
package markdown
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"fmt"
|
|
"strings"
|
|
|
|
"github.com/yuin/goldmark"
|
|
|
|
"gitea.maximumdirect.net/eric/distributor/internal/bundle"
|
|
"gitea.maximumdirect.net/eric/distributor/internal/storage"
|
|
"gitea.maximumdirect.net/eric/distributor/internal/transform"
|
|
)
|
|
|
|
type Transformer struct {
|
|
renderer goldmark.Markdown
|
|
}
|
|
|
|
func New() *Transformer {
|
|
return &Transformer{renderer: goldmark.New()}
|
|
}
|
|
|
|
func (t *Transformer) Generate(ctx context.Context, req transform.Request) ([]transform.Output, error) {
|
|
if t.renderer == nil {
|
|
t.renderer = goldmark.New()
|
|
}
|
|
var outputs []transform.Output
|
|
for _, file := range req.SourceBundle.Manifest.Files {
|
|
if !strings.HasSuffix(file.Path, ".md") {
|
|
continue
|
|
}
|
|
sourcePath, err := storage.Join(req.SourceBundle.RootRelativePath, file.Path)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
data, err := req.SourceBackend.ReadFile(ctx, sourcePath)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("read markdown source %q: %w", file.Path, err)
|
|
}
|
|
var rendered bytes.Buffer
|
|
if err := t.renderer.Convert(data, &rendered); err != nil {
|
|
return nil, fmt.Errorf("render markdown source %q: %w", file.Path, err)
|
|
}
|
|
html := wrapHTML(rendered.Bytes())
|
|
outputPath := strings.TrimSuffix(file.Path, ".md") + ".html"
|
|
outputs = append(outputs, transform.Output{
|
|
Path: outputPath,
|
|
SourcePath: file.Path,
|
|
Transform: transform.MarkdownToHTML,
|
|
Data: html,
|
|
SHA256: bundle.FileDigest(html),
|
|
Size: int64(len(html)),
|
|
})
|
|
}
|
|
return outputs, nil
|
|
}
|