2 files changed, 53 insertions, 0 deletions
diff --git a/includes/external/matrix/node_modules/matrix-widget-api/src/models/validation/url.ts b/includes/external/matrix/node_modules/matrix-widget-api/src/models/validation/url.ts
new file mode 100644
index 0000000..c56a9c6
--- /dev/null
+++ b/includes/external/matrix/node_modules/matrix-widget-api/src/models/validation/url.ts
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2020 The Matrix.org Foundation C.I.C.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+export function isValidUrl(val: string): boolean {
+    if (!val) return false; // easy: not valid if not present
+
+    try {
+        const parsed = new URL(val);
+        if (parsed.protocol !== "http" && parsed.protocol !== "https") {
+            return false;
+        }
+        return true;
+    } catch (e) {
+        if (e instanceof TypeError) {
+            return false;
+        }
+        throw e;
+    }
+}
diff --git a/includes/external/matrix/node_modules/matrix-widget-api/src/models/validation/utils.ts b/includes/external/matrix/node_modules/matrix-widget-api/src/models/validation/utils.ts
new file mode 100644
index 0000000..b9c8761
--- /dev/null
+++ b/includes/external/matrix/node_modules/matrix-widget-api/src/models/validation/utils.ts
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2020 The Matrix.org Foundation C.I.C.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+export function assertPresent<O>(obj: O, key: keyof O) {
+    if (!obj[key]) {
+        throw new Error(`${key} is required`);
+    }
+}