add img-responsive so the css will pick it up

markdown.go

@@ -4,28 +4,14 @@ import (
 	"bytes"
 	"html/template"
 	"io"
+	"strings"
 
 	"github.com/gomarkdown/markdown"
-	"github.com/gomarkdown/markdown/ast"
 )
 
-func renderHookImageResponsive(w io.Writer, node ast.Node, entering bool) (ast.WalkStatus, bool) {
-	if _, ok := node.(*ast.Image); !ok {
-		return ast.GoToNext, false
-	}
-	container := node.AsContainer()
-	container.Classes = append(container.Classes, []byte("img-reponsive"))
-	return ast.GoToNext, true
-}
-
 func renderMd(b io.Reader) template.HTML {
 	buf := new(bytes.Buffer)
 	buf.ReadFrom(b)
-	// opts := html.RendererOptions{
-	// 	Flags:          html.CommonFlags,
-	// 	RenderNodeHook: renderHookImageResponsive,
-	// }
-	// renderer := html.NewRenderer(opts)
-	// TODO: get the img-responsive thing to work
-	return template.HTML(string(markdown.ToHTML(buf.Bytes(), nil, nil)))
+	md := string(markdown.ToHTML(buf.Bytes(), nil, nil))
+	return template.HTML(strings.Replace(md, "<img", "<img class=\"img-responsive\"", -1))
 }