Add toYaml function

cmd/app/main.go

@@ -9,6 +9,7 @@ import (
 	"text/template"
 
 	"github.com/Masterminds/sprig/v3"
+	"github.com/rjshrjndrn/templater/pkg/utils"
 	"gopkg.in/yaml.v3"
 )
 
@@ -42,7 +43,10 @@ func processTemplate(inputPath, outputPath string, values map[string]interface{}
 		return err
 	}
 
-	tpl, err := template.New(filepath.Base(inputPath)).Funcs(sprig.FuncMap()).Parse(string(content))
+	fm := sprig.FuncMap()
+	fm["toYaml"] = utils.ToYAMLFunc
+
+	tpl, err := template.New(filepath.Base(inputPath)).Funcs(fm).Parse(string(content))
 	if err != nil {
 		return err
 	}

go.mod

@@ -5,6 +5,7 @@ go 1.21.7
 require (
 	github.com/Masterminds/sprig/v3 v3.2.3
 	gopkg.in/yaml.v3 v3.0.1
+	sigs.k8s.io/yaml v1.4.0
 )
 
 require (

go.sum

@@ -7,6 +7,8 @@ github.com/Masterminds/sprig/v3 v3.2.3/go.mod h1:rXcFaZ2zZbLRJv/xSysmlgIM1u11eBa
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
+github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/uuid v1.1.1 h1:Gkbcsh/GbpXz7lPftLA3P6TYMwjCLYm83jiFQZF/3gY=
 github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/huandu/xstrings v1.3.3 h1:/Gcsuc1x8JVbJ9/rlye4xZnVAbEkGauT8lbebqcQws4=
@@ -63,3 +65,5 @@ gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+sigs.k8s.io/yaml v1.4.0 h1:Mk1wCc2gy/F0THH0TAp1QYyJNzRm2KCLy3o5ASXVI5E=
+sigs.k8s.io/yaml v1.4.0/go.mod h1:Ejl7/uTz7PSA4eKMyQCUTnhZYNmLIl+5c2lQPGR2BPY=

pkg/utils/utils.go

@@ -1 +1,11 @@
 package utils
+
+import "sigs.k8s.io/yaml"
+
+func ToYAMLFunc(obj interface{}) (string, error) {
+	data, err := yaml.Marshal(obj)
+	if err != nil {
+		return "", err
+	}
+	return string(data), nil
+}