From 9b49abe410e42402ebb9a18131af85b8098b1ab8 Mon Sep 17 00:00:00 2001
From: Christian Muehlhaeuser <muesli@gmail.com>
Date: Sun, 15 Dec 2019 04:53:17 +0100
Subject: [PATCH] Make TermRenderer io.Reader & io.WriteCloser compatible

---
 gold.go | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/gold.go b/gold.go
index 3787ad2..87b2337 100644
--- a/gold.go
+++ b/gold.go
@@ -19,7 +19,9 @@ import (
 )
 
 type TermRenderer struct {
-	md goldmark.Markdown
+	md        goldmark.Markdown
+	buf       bytes.Buffer
+	renderBuf bytes.Buffer
 }
 
 // Render initializes a new TermRenderer and renders a markdown with a specific
@@ -81,6 +83,24 @@ func NewTermRendererFromBytes(b []byte, options ansi.Options) (*TermRenderer, er
 	}, nil
 }
 
+func (tr *TermRenderer) Read(b []byte) (int, error) {
+	return tr.renderBuf.Read(b)
+}
+
+func (tr *TermRenderer) Write(b []byte) (int, error) {
+	return tr.buf.Write(b)
+}
+
+func (tr *TermRenderer) Close() error {
+	err := tr.md.Convert(tr.buf.Bytes(), &tr.renderBuf)
+	if err != nil {
+		return err
+	}
+
+	tr.buf.Reset()
+	return nil
+}
+
 // Render returns the markdown rendered into a string.
 func (tr *TermRenderer) Render(in string) (string, error) {
 	b, err := tr.RenderBytes([]byte(in))