[knf] Add method 'Validators.AddIf'

essentialkaos · Oct 20, 2024 · f672300 · f672300
1 parent 55cf6bc
commit f672300
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Showing 2 changed files with 14 additions and 1 deletion.
diff --git a/knf/knf.go b/knf/knf.go
@@ -430,6 +430,15 @@ func (v Validators) Add(validators Validators) Validators {
 	return append(v, validators...)
 }
 
+// AddIf adds given validators if conditional is true
+func (v Validators) AddIf(cond bool, validators Validators) Validators {
+	if !cond {
+		return v
+	}
+
+	return v.Add(validators)
+}
+
 // ////////////////////////////////////////////////////////////////////////////////// //
 
 // Merge merges two configurations

diff --git a/knf/knf_test.go b/knf/knf_test.go
@@ -705,7 +705,11 @@ func (s *KNFSuite) TestSimpleValidator(c *check.C) {
 		{"string:test2", simpleValidator, nil},
 	}
 
-	validators = validators.Add(Validators{
+	validators = validators.AddIf(false, Validators{
+		{"string:test2", simpleValidator, nil},
+	})
+
+	validators = validators.AddIf(true, Validators{
 		{"string:test2", simpleValidator, nil},
 	})