diff --git a/demo/package-lock.json b/demo/package-lock.json
index 40e52b4..cc59753 100644
--- a/demo/package-lock.json
+++ b/demo/package-lock.json
@@ -18883,11 +18883,6 @@
                         "websocket-extensions": ">=0.1.1"
                     }
                 },
-                "websocket-extensions": {
-                    "version": "0.1.3",
-                    "resolved": "https://registry.npmjs.org/websocket-extensions/-/websocket-extensions-0.1.3.tgz",
-                    "integrity": "sha512-nqHUnMXmBzT0w570r2JpJxfiSD1IzoI+HGVdd3aZ0yNi3ngvQ4jv1dtHt5VGxfI2yj5yqImPhOK4vmIh2xMbGg=="
-                },
                 "whatwg-encoding": {
                     "version": "1.0.5",
                     "resolved": "https://registry.npmjs.org/whatwg-encoding/-/whatwg-encoding-1.0.5.tgz",
@@ -19191,8 +19186,7 @@
             "integrity": "sha512-TJtwsqZ39pqcljJpajeoofYRfeZ7/I/OMUQ5pR4q5wOKf2ocrUvBAZUMhWsOvKx3dVc/aaV5GluBivt0sWqA5A=="
         },
         "@types/react": {
-            "version": "file:https:/registry.npmjs.org/@types/react/-/react-16.9.9.tgz",
-            "integrity": "sha512-L+AudFJkDukk+ukInYvpoAPyJK5q1GanFOINOJnM0w6tUgITuWvJ4jyoBPFL7z4/L8hGLd+K/6xR5uUjXu0vVg==",
+            "version": "file:../node_modules/@types/react",
             "requires": {
                 "@types/prop-types": "*",
                 "csstype": "^2.2.0"
@@ -19204,15 +19198,14 @@
                     "integrity": "sha512-KfRL3PuHmqQLOG+2tGpRO26Ctg+Cq1E01D2DMriKEATHgWLfeNDmq9e29Q9WIky0dQ3NPkd1mzYH8Lm936Z9qw=="
                 },
                 "csstype": {
-                    "version": "2.6.7",
-                    "resolved": "https://registry.npmjs.org/csstype/-/csstype-2.6.7.tgz",
-                    "integrity": "sha512-9Mcn9sFbGBAdmimWb2gLVDtFJzeKtDGIr76TUqmjZrw9LFXBMSU70lcs+C0/7fyCd6iBDqmksUcCOUIkisPHsQ=="
+                    "version": "2.6.10",
+                    "resolved": "https://registry.npmjs.org/csstype/-/csstype-2.6.10.tgz",
+                    "integrity": "sha512-D34BqZU4cIlMCY93rZHbrq9pjTAQJ3U8S8rfBqjwHxkGPThWFjzZDQpgMJY0QViLxth6ZKYiwFBo14RdN44U/w=="
                 }
             }
         },
         "@types/react-dom": {
-            "version": "file:https:/registry.npmjs.org/@types/react-dom/-/react-dom-16.9.2.tgz",
-            "integrity": "sha512-hgPbBoI1aTSTvZwo8HYw35UaTldW6n2ETLvHAcfcg1FaOuBV3olmyCe5eMpx2WybWMBPv0MdU2t5GOcQhP+3zA==",
+            "version": "file:../node_modules/@types/react-dom",
             "requires": {
                 "@types/react": "*"
             },
@@ -19223,18 +19216,18 @@
                     "integrity": "sha512-KfRL3PuHmqQLOG+2tGpRO26Ctg+Cq1E01D2DMriKEATHgWLfeNDmq9e29Q9WIky0dQ3NPkd1mzYH8Lm936Z9qw=="
                 },
                 "@types/react": {
-                    "version": "16.9.14",
-                    "resolved": "https://registry.npmjs.org/@types/react/-/react-16.9.14.tgz",
-                    "integrity": "sha512-Q4tW4RGmR+u/CgzR8VqZcsUWjP4Pz/LcHfs9AzSG+aBnwq8As3Bid3vG1eGGsXg/xuR2k2tqNlI8pzyV8kxe0g==",
+                    "version": "16.9.35",
+                    "resolved": "https://registry.npmjs.org/@types/react/-/react-16.9.35.tgz",
+                    "integrity": "sha512-q0n0SsWcGc8nDqH2GJfWQWUOmZSJhXV64CjVN5SvcNti3TdEaA3AH0D8DwNmMdzjMAC/78tB8nAZIlV8yTz+zQ==",
                     "requires": {
                         "@types/prop-types": "*",
                         "csstype": "^2.2.0"
                     }
                 },
                 "csstype": {
-                    "version": "2.6.7",
-                    "resolved": "https://registry.npmjs.org/csstype/-/csstype-2.6.7.tgz",
-                    "integrity": "sha512-9Mcn9sFbGBAdmimWb2gLVDtFJzeKtDGIr76TUqmjZrw9LFXBMSU70lcs+C0/7fyCd6iBDqmksUcCOUIkisPHsQ=="
+                    "version": "2.6.10",
+                    "resolved": "https://registry.npmjs.org/csstype/-/csstype-2.6.10.tgz",
+                    "integrity": "sha512-D34BqZU4cIlMCY93rZHbrq9pjTAQJ3U8S8rfBqjwHxkGPThWFjzZDQpgMJY0QViLxth6ZKYiwFBo14RdN44U/w=="
                 }
             }
         },
@@ -28698,8 +28691,7 @@
             }
         },
         "react": {
-            "version": "file:https:/registry.npmjs.org/react/-/react-16.10.2.tgz",
-            "integrity": "sha512-MFVIq0DpIhrHFyqLU0S3+4dIcBhhOvBE8bJ/5kHPVOVaGdo0KuiQzpcjCPsf585WvhypqtrMILyoE2th6dT+Lw==",
+            "version": "file:../node_modules/react",
             "requires": {
                 "loose-envify": "^1.1.0",
                 "object-assign": "^4.1.1",
@@ -28735,9 +28727,9 @@
                     }
                 },
                 "react-is": {
-                    "version": "16.12.0",
-                    "resolved": "https://registry.npmjs.org/react-is/-/react-is-16.12.0.tgz",
-                    "integrity": "sha512-rPCkf/mWBtKc97aLL9/txD8DZdemK0vkA3JMLShjlJB3Pj3s+lpf1KaBzMfQrAmhMQB0n1cU/SUGgKKBCe837Q=="
+                    "version": "16.13.1",
+                    "resolved": "https://registry.npmjs.org/react-is/-/react-is-16.13.1.tgz",
+                    "integrity": "sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ=="
                 }
             }
         },
@@ -28773,8 +28765,7 @@
             "integrity": "sha512-zvU6iouW+SWwHTyThwxGICjJYCMZFk/6r/+jmOdC7ntQoPlS/Pqb81MkxaMf2bHTSq9TN3K3zX2/ayMW/jCtyA=="
         },
         "react-dom": {
-            "version": "file:https:/registry.npmjs.org/react-dom/-/react-dom-16.10.2.tgz",
-            "integrity": "sha512-kWGDcH3ItJK4+6Pl9DZB16BXYAZyrYQItU4OMy0jAkv5aNqc+mAKb4TpFtAteI6TJZu+9ZlNhaeNQSVQDHJzkw==",
+            "version": "file:../node_modules/react-dom",
             "requires": {
                 "loose-envify": "^1.1.0",
                 "object-assign": "^4.1.1",
@@ -28811,9 +28802,9 @@
                     }
                 },
                 "react-is": {
-                    "version": "16.12.0",
-                    "resolved": "https://registry.npmjs.org/react-is/-/react-is-16.12.0.tgz",
-                    "integrity": "sha512-rPCkf/mWBtKc97aLL9/txD8DZdemK0vkA3JMLShjlJB3Pj3s+lpf1KaBzMfQrAmhMQB0n1cU/SUGgKKBCe837Q=="
+                    "version": "16.13.1",
+                    "resolved": "https://registry.npmjs.org/react-is/-/react-is-16.13.1.tgz",
+                    "integrity": "sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ=="
                 },
                 "scheduler": {
                     "version": "0.16.2",
@@ -33114,10 +33105,9 @@
             }
         },
         "websocket-extensions": {
-            "version": "0.1.3",
-            "resolved": "https://registry.npmjs.org/websocket-extensions/-/websocket-extensions-0.1.3.tgz",
-            "integrity": "sha512-nqHUnMXmBzT0w570r2JpJxfiSD1IzoI+HGVdd3aZ0yNi3ngvQ4jv1dtHt5VGxfI2yj5yqImPhOK4vmIh2xMbGg==",
-            "dev": true
+            "version": "0.1.4",
+            "resolved": "https://registry.npmjs.org/websocket-extensions/-/websocket-extensions-0.1.4.tgz",
+            "integrity": "sha512-OqedPIGOfsDlo31UNwYbCFMSaO9m9G/0faIHj5/dZFDMFqPTcx6UwqyOy3COEaEOg/9VsGIpdqn62W5KhoKSpg=="
         },
         "whatwg-encoding": {
             "version": "1.0.5",