diff --git a/api/internal/localizer/localizer.go b/api/internal/localizer/localizer.go
index 61c2fb109..d117396fd 100644
--- a/api/internal/localizer/localizer.go
+++ b/api/internal/localizer/localizer.go
@@ -130,6 +130,12 @@ func (lc *localizer) localizeNativeFields(kust *types.Kustomization) error {
 		paths []string
 		locFn func(string) (string, error)
 	}{
+		"bases": {
+			// Allow use of deprecated field
+			//nolint:staticcheck
+			kust.Bases,
+			lc.localizeDir,
+		},
 		"components": {
 			kust.Components,
 			lc.localizeDir,
@@ -144,11 +150,11 @@ func (lc *localizer) localizeNativeFields(kust *types.Kustomization) error {
 		},
 	} {
 		for i, path := range field.paths {
-			newPath, err := field.locFn(path)
+			locPath, err := field.locFn(path)
 			if err != nil {
 				return errors.WrapPrefixf(err, "unable to localize %s path", fieldName)
 			}
-			field.paths[i] = newPath
+			field.paths[i] = locPath
 		}
 	}
 
@@ -165,7 +171,6 @@ func (lc *localizer) localizeNativeFields(kust *types.Kustomization) error {
 	if err := lc.localizePatches(kust.Patches); err != nil {
 		return errors.WrapPrefixf(err, "unable to localize patches")
 	}
-	// Allow use of deprecated field
 	//nolint:staticcheck
 	if err := lc.localizePatches(kust.PatchesJson6902); err != nil {
 		return errors.WrapPrefixf(err, "unable to localize patchesJson6902")
@@ -194,19 +199,25 @@ func (lc *localizer) localizeNativeFields(kust *types.Kustomization) error {
 		}
 	}
 
-	// TODO(annasong): localize all other kustomization fields: resources, bases, configMapGenerator.env, secretGenerator.env
+	// TODO(annasong): localize all other kustomization fields: resources
 	return nil
 }
 
 // localizeGenerator localizes the file paths on generator.
-func (lc *localizer) localizeGenerator(generator *types.GeneratorArgs) error {
+func (lc *localizer) localizeGenerator(generator *types.GeneratorArgs) (err error) {
+	var locEnvSrc string
+	if generator.EnvSource != "" {
+		locEnvSrc, err = lc.localizeFile(generator.EnvSource)
+		if err != nil {
+			return errors.WrapPrefixf(err, "unable to localize generator env file")
+		}
+	}
 	locEnvs := make([]string, len(generator.EnvSources))
 	for i, env := range generator.EnvSources {
-		newPath, err := lc.localizeFile(env)
+		locEnvs[i], err = lc.localizeFile(env)
 		if err != nil {
 			return errors.WrapPrefixf(err, "unable to localize generator envs file")
 		}
-		locEnvs[i] = newPath
 	}
 	locFiles := make([]string, len(generator.FileSources))
 	for i, file := range generator.FileSources {
@@ -223,6 +234,7 @@ func (lc *localizer) localizeGenerator(generator *types.GeneratorArgs) error {
 		}
 		locFiles[i] = newFile
 	}
+	generator.EnvSource = locEnvSrc
 	generator.EnvSources = locEnvs
 	generator.FileSources = locFiles
 	return nil
diff --git a/api/internal/localizer/localizer_test.go b/api/internal/localizer/localizer_test.go
index 681778187..bbfc5b08c 100644
--- a/api/internal/localizer/localizer_test.go
+++ b/api/internal/localizer/localizer_test.go
@@ -186,13 +186,15 @@ func TestLoadGVKNN(t *testing.T) {
 }
 
 func TestLoadLegacyFields(t *testing.T) {
-	// TODO(annasong): add referenced files when implement legacy field localization
 	kustomization := map[string]string{
+		// TODO(annasong): Adjust test once localize handles helm.
 		"kustomization.yaml": `apiVersion: kustomize.config.k8s.io/v1beta1
-bases:
-- beta
-configMapGenerator:
-- env: env.properties
+helmChartInflationGenerator:
+- chartName: minecraft
+  chartRepoUrl: https://kubernetes-charts.storage.googleapis.com
+  chartVersion: v1.2.0
+  releaseName: test
+  values: values.yaml
 imageTags:
 - name: postgres
   newName: my-registry/my-postgres
@@ -485,7 +487,8 @@ func TestLocalizeConfigMapGenerator(t *testing.T) {
 	kustAndData := map[string]string{
 		"kustomization.yaml": `apiVersion: kustomize.config.k8s.io/v1beta1
 configMapGenerator:
-- envs:
+- env: single.env
+  envs:
   - standard.env
   namespace: my
   options:
@@ -499,6 +502,9 @@ kind: Kustomization
 metadata:
   name: test
 `,
+		"single.env": `MAY=contain
+MORE=than
+ONE=pair`,
 		"standard.env": `SIZE=0.1
 IS_GLOBAL=true`,
 		"key.properties": "value",
@@ -521,14 +527,16 @@ secretGenerator:
   - key
   type: kubernetes.io/tls
 - literals:
-  - APPLE=b3Jhbmdl
-  - PLUM=cGx1b3Q=
+  - APPLE=orange
+  - PLUM=pluot
   name: no-files
+- env: more-fruit
 `,
 		"crt":                "tls.crt=LS0tLS1CRUd...0tLQo=",
 		"key":                "tls.key=LS0tLS1CRUd...0tLQo=",
-		"b/value.properties": "dmFsdWU=",
-		"b/value":            "dmFsdWU=",
+		"more-fruit":         "GRAPE=lime",
+		"b/value.properties": "value",
+		"b/value":            "value",
 	}
 	checkLocalizeInTargetSuccess(t, kustAndData)
 }
@@ -972,6 +980,20 @@ kind: Kustomization
 	checkFSys(t, expected, actual)
 }
 
+func TestLocalizeBases(t *testing.T) {
+	kustAndBases := map[string]string{
+		"kustomization.yaml": `bases:
+- b
+- c/d
+`,
+		"b/kustomization.yaml": `kind: Kustomization
+`,
+		"c/d/kustomization.yaml": `kind: Kustomization
+`,
+	}
+	checkLocalizeInTargetSuccess(t, kustAndBases)
+}
+
 func TestLocalizeComponents(t *testing.T) {
 	kustAndComponents := map[string]string{
 		"kustomization.yaml": `apiVersion: kustomize.config.k8s.io/v1beta1