Make go get to install work.

core/internal/qcode/utils.go

@@ -1,12 +1,17 @@
 package qcode
 
 func GetQType(gql string) QType {
+	ic := false
 	for i := range gql {
 		b := gql[i]
-		if b == '{' {
+		switch {
+		case b == '#':
+			ic = true
+		case b == '\n':
+			ic = false
+		case !ic && b == '{':
 			return QTQuery
-		}
-		if al(b) {
+		case !ic && al(b):
 			switch b {
 			case 'm', 'M':
 				return QTMutation

core/internal/qcode/utils_test.go

@@ -0,0 +1,50 @@
+package qcode
+
+import "testing"
+
+func TestGetQType(t *testing.T) {
+	type args struct {
+		gql string
+	}
+	type ts struct {
+		name string
+		args args
+		want QType
+	}
+	tests := []ts{
+		ts{
+			name: "query",
+			args: args{gql: "  query {"},
+			want: QTQuery,
+		},
+		ts{
+			name: "mutation",
+			args: args{gql: "  mutation {"},
+			want: QTMutation,
+		},
+		ts{
+			name: "default query",
+			args: args{gql: "  {"},
+			want: QTQuery,
+		},
+		ts{
+			name: "default query with comment",
+			args: args{gql: `# query is good 
+			{`},
+			want: QTQuery,
+		},
+		ts{
+			name: "failed query with comment",
+			args: args{gql: `# query is good query {`},
+			want: -1,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := GetQType(tt.args.gql); got != tt.want {
+				t.Errorf("GetQType() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}