Bump objx to v0.2.0

Signed-off-by: He Xiaoxi <xxhe@alauda.io>

vendor/github.com/stretchr/objx/map.go

@@ -97,12 +97,50 @@ func MustFromJSON(jsonString string) Map {
 //
 // Returns an error if the JSON is invalid.
 func FromJSON(jsonString string) (Map, error) {
-	var data interface{}
-	err := json.Unmarshal([]byte(jsonString), &data)
+	var m Map
+	err := json.Unmarshal([]byte(jsonString), &m)
 	if err != nil {
 		return Nil, err
 	}
-	return New(data), nil
+	m.tryConvertFloat64()
+	return m, nil
+}
+
+func (m Map) tryConvertFloat64() {
+	for k, v := range m {
+		switch v.(type) {
+		case float64:
+			f := v.(float64)
+			if float64(int(f)) == f {
+				m[k] = int(f)
+			}
+		case map[string]interface{}:
+			t := New(v)
+			t.tryConvertFloat64()
+			m[k] = t
+		case []interface{}:
+			m[k] = tryConvertFloat64InSlice(v.([]interface{}))
+		}
+	}
+}
+
+func tryConvertFloat64InSlice(s []interface{}) []interface{} {
+	for k, v := range s {
+		switch v.(type) {
+		case float64:
+			f := v.(float64)
+			if float64(int(f)) == f {
+				s[k] = int(f)
+			}
+		case map[string]interface{}:
+			t := New(v)
+			t.tryConvertFloat64()
+			s[k] = t
+		case []interface{}:
+			s[k] = tryConvertFloat64InSlice(v.([]interface{}))
+		}
+	}
+	return s
 }
 
 // FromBase64 creates a new Obj containing the data specified