fix(htmltext): FetchExcerpt if actual string length <= expected string length, no need trim marker

pkg/htmltext/htmltext.go

@@ -75,11 +75,10 @@ func FetchExcerpt(html, trimMarker string, limit int) (text string) {
 	runeText := []rune(text)
 	if len(runeText) <= limit {
 		text = string(runeText)
-	} else {
-		text = string(runeText[0:limit])
+		return
 	}
 
-	text += trimMarker
+	text = string(runeText[0:limit]) + trimMarker
 	return
 }
 

pkg/htmltext/htmltext_test.go

@@ -50,6 +50,10 @@ func TestFetchExcerpt(t *testing.T) {
 	expected = "hello你好😂..."
 	text = FetchExcerpt("<p>hello你好😂world</p>", "...", 8)
 	assert.Equal(t, expected, text)
+
+	expected = "hello你好"
+	text = FetchExcerpt("<p>hello你好</p>", "...", 8)
+	assert.Equal(t, expected, text)
 }
 
 func TestUrlTitle(t *testing.T) {