Added the possiblity to disable smart truncate (with the exception of… (

#75)

* Add docs to EnableSmartTruncate

Co-authored-by: Aymen Ben Tanfous <aymen.bentanfous@cimpress.com>
Co-authored-by: Dobrosław Żybort <matrixik@gmail.com>

slug.go

@@ -21,13 +21,17 @@ var (
 	CustomRuneSub map[rune]string
 
 	// MaxLength stores maximum slug length.
-	// It's smart so it will cat slug after full word.
 	// By default slugs aren't shortened.
 	// If MaxLength is smaller than length of the first word, then returned
 	// slug will contain only substring from the first word truncated
 	// after MaxLength.
 	MaxLength int
 
+	// EnableSmartTruncate defines if cutting with MaxLength is smart.
+	// Smart algorithm will cat slug after full word.
+	// Default is true.
+	EnableSmartTruncate = true
+
 	// Lowercase defines if the resulting slug is transformed to lowercase.
 	// Default is true.
 	Lowercase = true
@@ -108,12 +112,16 @@ func MakeLang(s string, lang string) (slug string) {
 		slug = strings.ToLower(slug)
 	}
 
+	if !EnableSmartTruncate {
+		slug = slug[:MaxLength]
+	}
+
 	// Process all remaining symbols
 	slug = regexpNonAuthorizedChars.ReplaceAllString(slug, "-")
 	slug = regexpMultipleDashes.ReplaceAllString(slug, "-")
 	slug = strings.Trim(slug, "-_")
 
-	if MaxLength > 0 {
+	if MaxLength > 0 && EnableSmartTruncate {
 		slug = smartTruncate(slug)
 	}
 

slug_test.go

@@ -278,20 +278,29 @@ func TestSubstituteRuneLang(t *testing.T) {
 
 func TestSlugMakeSmartTruncate(t *testing.T) {
 	testCases := []struct {
-		in        string
-		maxLength int
-		want      string
+		in            string
+		maxLength     int
+		want          string
+		smartTruncate bool
 	}{
-		{"DOBROSLAWZYBORT", 100, "dobroslawzybort"},
-		{"Dobroslaw Zybort", 100, "dobroslaw-zybort"},
-		{"Dobroslaw Zybort", 12, "dobroslaw"},
-		{"  Dobroslaw     Zybort  ?", 12, "dobroslaw"},
-		{"Ala ma 6 kotów.", 10, "ala-ma-6"},
-		{"Dobrosław Żybort", 5, "dobro"},
+		{"DOBROSLAWZYBORT", 100, "dobroslawzybort", true},
+		{"Dobroslaw Zybort", 100, "dobroslaw-zybort", true},
+		{"Dobroslaw Zybort", 12, "dobroslaw", true},
+		{"  Dobroslaw     Zybort  ?", 12, "dobroslaw", true},
+		{"Ala ma 6 kotów.", 10, "ala-ma-6", true},
+		{"Dobrosław Żybort", 5, "dobro", true},
+		{"Long branch-name", 14, "long-branch-na", false},
+		{"Long branch-name", 12, "long-branch", false},
 	}
 
 	for index, smstt := range testCases {
 		MaxLength = smstt.maxLength
+		if smstt.smartTruncate {
+			EnableSmartTruncate = true
+		} else {
+			EnableSmartTruncate = false
+		}
+
 		got := Make(smstt.in)
 		if got != smstt.want {
 			t.Errorf(