Add Indent (#10)

Author: cristaloleg

example_test.go

@@ -75,3 +75,28 @@ func ExampleNumber() {
 	//   "z": "123456.00000000000000000000000000000000000000001"
 	//}
 }
+
+func ExampleIndent() {
+	j := jsn.O{
+		"x": 123456.00000000000000000000000000000000000000001,
+		"y": map[string]any{
+			"a": []int{1, 2, 3},
+			"b": "ccc",
+		},
+	}
+
+	fmt.Printf("%s\n", jsn.Indent(j))
+
+	// Output:
+	// {
+	//   "x": 123456,
+	//   "y": {
+	//     "a": [
+	//       1,
+	//       2,
+	//       3
+	//     ],
+	//     "b": "ccc"
+	//   }
+	// }
+}

jsn.go

@@ -53,4 +53,14 @@ func MustMarshal(obj any) []byte {
 	return b
 }
 
+// Indent is like [json.MarshalIndent] but with predefined params.
+// Panics if any error occurs.
+func Indent(obj any) string {
+	b, err := json.MarshalIndent(obj, "", "  ")
+	if err != nil {
+		panic(err)
+	}
+	return string(b)
+}
+
 var errMore = errors.New("body must contain only one JSON entity")