fix: empty body panic error

vicanso · Sep 1, 2019 · 92070fb · 92070fb
1 parent f98a940
commit 92070fb
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Showing 2 changed files with 9 additions and 0 deletions.
diff --git a/body_parser.go b/body_parser.go
@@ -102,6 +102,9 @@ func NewJSONDecoder() *Decoder {
 		},
 		Decode: func(c *elton.Context, originalData []byte) (data []byte, err error) {
 			originalData = bytes.TrimSpace(originalData)
+			if len(originalData) == 0 {
+				return nil, nil
+			}
 			firstByte := originalData[0]
 			lastByte := originalData[len(originalData)-1]
 

diff --git a/body_parser_test.go b/body_parser_test.go
@@ -75,6 +75,12 @@ func TestJSONDecoder(t *testing.T) {
 	data, err := jsonDecoder.Decode(c, buf)
 	assert.Nil(err)
 	assert.Equal(buf, data)
+
+	buf = []byte(``)
+	data, err = jsonDecoder.Decode(c, buf)
+	assert.Nil(err)
+	assert.Nil(data)
+
 	_, err = jsonDecoder.Decode(c, []byte("abcd"))
 	assert.Equal(errInvalidJSON, err)