Merge pull request #94 from k2tzumi/feature/support-json-object-expand

Support json object expand

operator.go

@@ -18,6 +18,7 @@ import (
 
 	"github.com/antonmedv/expr"
 	"github.com/fatih/color"
+	"github.com/goccy/go-json"
 	"github.com/goccy/go-yaml"
 	"github.com/hashicorp/go-multierror"
 	"github.com/k1LoW/expand"
@@ -840,6 +841,13 @@ func (o *operator) expand(in interface{}) (interface{}, error) {
 				s = strconv.Itoa(v)
 			case bool:
 				s = strconv.FormatBool(v)
+			case map[string]interface{}, []interface{}:
+				bytes, err := json.Marshal(v)
+				if err != nil {
+					reperr = fmt.Errorf("json.Marshal error: %w", err)
+				} else {
+					s = string(bytes)
+				}
 			default:
 				reperr = fmt.Errorf("invalid format: %v\n%s", o, string(b))
 			}

operator_test.go

@@ -76,6 +76,18 @@ func TestExpand(t *testing.T) {
 			map[string]string{"boolean": "{{ vars.boolean }}"},
 			map[string]interface{}{"boolean": true},
 		},
+		{
+			[]map[string]interface{}{},
+			map[string]interface{}{"map": map[string]interface{}{"foo": "test", "bar": 1}},
+			map[string]string{"map": "{{ vars.map }}"},
+			map[string]interface{}{"map": map[string]interface{}{"foo": "test", "bar": uint64(1)}},
+		},
+		{
+			[]map[string]interface{}{},
+			map[string]interface{}{"array": []interface{}{map[string]interface{}{"foo": "test1", "bar": 1}, map[string]interface{}{"foo": "test2", "bar": 2}}},
+			map[string]string{"array": "{{ vars.array }}"},
+			map[string]interface{}{"array": []interface{}{map[string]interface{}{"foo": "test1", "bar": uint64(1)}, map[string]interface{}{"foo": "test2", "bar": uint64(2)}}},
+		},
 	}
 	for _, tt := range tests {
 		o, err := New()