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Variables

var SourcePreview = part.New("source-preview", "source-preview.html",
	part.OnLoad(func(data render.Data) error {
		opener, ok := data.Get("source").(include.Opener)
		if !ok || opener == nil {
			return errors.New("source-preview requires include.Opener source")
		}
		file, err := opener.Open()
		if err != nil {
			return err
		}
		buf := new(strings.Builder)
		io.Copy(buf, file)
		data.Set("source_raw", buf.String())
		return nil
	}),
)