text: "use strict";
  /**
   * Copyright 2020 Google LLC
   *
   * 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.
   */
  Object.defineProperty(exports, "__esModule", { value: true });
  exports.FallbackErrorDecoder = void 0;
  const protobuf = require("protobufjs");
  class FallbackErrorDecoder {
      constructor() {
          // eslint-disable-next-line @typescript-eslint/no-var-requires
          const errorProtoJson = require('../../protos/status.json');
          this.root = protobuf.Root.fromJSON(errorProtoJson);
          this.anyType = this.root.lookupType('google.protobuf.Any');
          this.statusType = this.root.lookupType('google.rpc.Status');
      }
      decodeProtobufAny(anyValue) {
          const match = anyValue.type_url.match(/^type.googleapis.com\/(.*)/);
          if (!match) {
              throw new Error(`Unknown type encoded in google.protobuf.any: ${anyValue.type_url}`);
          }
          const typeName = match[1];
          const type = this.root.lookupType(typeName);
          if (!type) {
              throw new Error(`Cannot lookup type ${typeName}`);
          }
          return type.decode(anyValue.value);
      }
      // Decodes gRPC-fallback error which is an instance of google.rpc.Status.
      decodeRpcStatus(buffer) {
          const uint8array = new Uint8Array(buffer);
          const status = this.statusType.decode(uint8array);
          // google.rpc.Status contains an array of google.protobuf.Any
          // which need a special treatment
          const result = {
              code: status.code,
              message: status.message,
              details: status.details.map(detail => this.decodeProtobufAny(detail)),
          };
          return result;
      }
  }
  exports.FallbackErrorDecoder = FallbackErrorDecoder;
  //# sourceMappingURL=fallbackError.js.map