Only print required params in documentation

Author: pksunkara

README.md

@@ -1,4 +1,4 @@
-# alpaca [![Build Status](https://drone.io/github.com/pksunkara/alpaca/status.png)](https://drone.io/github.com/pksunkara/alpaca/latest) [![Gitter chat](https://badges.gitter.im/pksunkara/alpaca.png)](https://gitter.im/pksunkara/alpaca)
+# alpaca [![Build Status](https://travis-ci.org/pksunkara/alpaca.svg?branch=master)](https://travis-ci.org/pksunkara/alpaca) [![Gitter chat](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/pksunkara/alpaca)
 
 Api Libraries Powered And Created by Alpaca
 

alpaca/utils.go

@@ -144,26 +144,20 @@ func PrntFunctionMaker(boolcap bool, tab, strbeg, strend, arrbeg, arrend, objbeg
 		str, typ := "", reflect.TypeOf(api).String()
 
 		if typ == "[]string" {
-			if len(api.([]string)) == 0 {
-				return str
-			}
-
 			for _, v := range api.([]string) {
 				str += vals(doc[v].Value) + sep
 			}
 		} else if typ == "[]alpaca.ApiParam" {
-			if len(api.([]ApiParam)) == 0 {
-				return str
-			}
-
 			for _, v := range api.([]ApiParam) {
-				str += vals(doc[v.Name].Value) + sep
+				if v.Required {
+					str += vals(doc[v.Name].Value) + sep
+				}
 			}
 		} else {
 			return str
 		}
 
-		if !notLast {
+		if str != "" && !notLast {
 			return str[0 : len(str)-len(sep)]
 		}
 

alpaca/utils_test.go

@@ -58,7 +58,7 @@ func TestPrntFunctionMaker(t *testing.T) {
 	f := PrntFunctionMaker(true, "  ", "'", "'", "[", "]", "{", "}", ":", " => ").(func(interface{}, map[string]DocParam, string, bool) string)
 
 	apis := []string{"id"}
-	apip := make([]ApiParam, 1)
+	apip := make([]ApiParam, 2)
 	docs := make(map[string]DocParam)
 	vals := make(map[string]interface{})
 	orgs := make([]interface{}, 3)
@@ -69,6 +69,9 @@ func TestPrntFunctionMaker(t *testing.T) {
 	orgs[2] = 00
 
 	apip[0] = ApiParam{"id", true, false}
+	apip[1] = ApiParam{"flag", false, false}
+
+	docs["flag"] = DocParam{"", false}
 
 	terst.Is(f([]string{}, make(map[string]DocParam), ", ", true), "")
 	terst.Is(f([]ApiParam{}, make(map[string]DocParam), ", ", true), "")