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node_modules/matrix-js-sdk/lib/rtcTransportsCachedValue.js

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+/*
+Copyright 2026 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.
+*/
+
+import { PollingCachedValue } from "./pollingCachedValue.js";
+import { ClientEvent } from "./client.js";
+import { MatrixError } from "./http-api/index.js";
+const TRANSPORT_CACHE_TTL_MILLISECONDS = 1000 * 60 * 60 * 24; // 1 day
+
+/**
+ * Builds a cache for the rtc/transport discovery end-point of the given client.
+ */
+export function createRtcTransportsCachedValue(client, logger) {
+  return new PollingCachedValue({
+    name: "RTCTransports",
+    logger,
+    ttlMillis: TRANSPORT_CACHE_TTL_MILLISECONDS,
+    fetch: () => client._unstable_getRTCTransports(),
+    onValueCached: transports => client.emit(ClientEvent.RtcTransportsUpdated, transports),
+    // If the end point is not supported by the homeserver it will be a 404 error.
+    // This is a final error, it can be cached, no need to retry everytime.
+    // It will retry when ttl has expired.
+    shouldCacheError: error => error instanceof MatrixError && error.httpStatus === 404
+  });
+}
+//# sourceMappingURL=rtcTransportsCachedValue.js.map