fix markdownfmt adds trailing blank lines to document (#1)

* fix markdownfmt adds trailing blank lines to document * fix markdownfmt adds trailing blank lines to document
Kunde21 · Sep 3, 2019 · 3cd4054 · 3cd4054
1 parent cf3eaf9
commit 3cd4054
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Showing 2 changed files with 6 additions and 7 deletions.
diff --git a/markdown/main.go b/markdown/main.go
@@ -9,8 +9,8 @@ import (
 	"io/ioutil"
 	"strings"
 
-	runewidth "github.com/mattn/go-runewidth"
-	blackfriday "github.com/russross/blackfriday/v2"
+	"github.com/mattn/go-runewidth"
+	"github.com/russross/blackfriday/v2"
 	"github.com/shurcooL/go/indentwriter"
 )
 
@@ -113,7 +113,9 @@ func (_ *markdownRenderer) TitleBlock(out *bytes.Buffer, text []byte) {}
 
 func (mr *markdownRenderer) Header(node *blackfriday.Node, entering bool) {
 	if entering {
-		mr.doubleSpace(nil)
+		if node.Prev != nil || node.Parent.Type != blackfriday.Document {
+			mr.doubleSpace(nil)
+		}
 		if node.IsTitleblock && node.Level >= 3 {
 			mr.leader = append(mr.leader, append(bytes.Repeat([]byte{'#'}, node.Level), ' '))
 		} else if !node.IsTitleblock {

diff --git a/markdown/renderer.go b/markdown/renderer.go
@@ -5,15 +5,12 @@ import (
 	"io"
 	"log"
 
-	blackfriday "github.com/russross/blackfriday/v2"
+	"github.com/russross/blackfriday/v2"
 )
 
 func (mr *markdownRenderer) RenderNode(w io.Writer, node *blackfriday.Node, entering bool) blackfriday.WalkStatus {
 	switch node.Type {
 	case blackfriday.Document:
-		if !entering {
-			mr.doubleSpace(nil)
-		}
 		break
 	case blackfriday.BlockQuote:
 		mr.BlockQuote(mr.buf, node, entering)