backend-common: remove UrlReaderHostMux

packages/backend-common/src/reading/UrlReaderHostMux.ts

@@ -1,40 +0,0 @@
-/*
- * Copyright 2020 Spotify AB
- *
- * 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 { UrlReader } from './types';
-
-/**
- * A UrlReader implementation that selects from a set of UrlReaders
- * based on the host in the URL.
- */
-export class UrlReaderHostMux implements UrlReader {
-  private readonly readers = new Map<string, UrlReader>();
-
-  register(host: string, reader: UrlReader): void {
-    this.readers.set(host, reader);
-  }
-
-  read(url: string): Promise<Buffer> {
-    const parsed = new URL(url);
-
-    const reader = this.readers.get(parsed.host);
-    if (!reader) {
-      throw new Error(`No reader registered for host ${parsed.host}`);
-    }
-
-    return reader.read(url);
-  }
-}