@aws-sdk/core/dist-es/submodules/protocols/cbor/AwsSmithyRpcV2CborProtocol.js

Core functions & classes shared by multiple AWS SDK clients.

import { loadSmithyRpcV2CborErrorCode, SmithyRpcV2CborProtocol } from "@smithy/core/cbor";
import { NormalizedSchema } from "@smithy/core/schema";
import { ProtocolLib } from "../ProtocolLib";
export class AwsSmithyRpcV2CborProtocol extends SmithyRpcV2CborProtocol {
    awsQueryCompatible;
    mixin;
    constructor({ defaultNamespace, errorTypeRegistries, awsQueryCompatible, }) {
        super({ defaultNamespace, errorTypeRegistries });
        this.awsQueryCompatible = !!awsQueryCompatible;
        this.mixin = new ProtocolLib(this.awsQueryCompatible);
    }
    async serializeRequest(operationSchema, input, context) {
        const request = await super.serializeRequest(operationSchema, input, context);
        if (this.awsQueryCompatible) {
            request.headers["x-amzn-query-mode"] = "true";
        }
        return request;
    }
    async handleError(operationSchema, context, response, dataObject, metadata) {
        if (this.awsQueryCompatible) {
            this.mixin.setQueryCompatError(dataObject, response);
        }
        const errorName = (() => {
            const compatHeader = response.headers["x-amzn-query-error"];
            if (compatHeader && this.awsQueryCompatible) {
                return compatHeader.split(";")[0];
            }
            return loadSmithyRpcV2CborErrorCode(response, dataObject) ?? "Unknown";
        })();
        this.mixin.compose(this.compositeErrorRegistry, errorName, this.options.defaultNamespace);
        const { errorSchema, errorMetadata } = await this.mixin.getErrorSchemaOrThrowBaseException(errorName, this.options.defaultNamespace, response, dataObject, metadata, this.awsQueryCompatible ? this.mixin.findQueryCompatibleError : undefined);
        const ns = NormalizedSchema.of(errorSchema);
        const message = dataObject.message ?? dataObject.Message ?? "UnknownError";
        const ErrorCtor = this.compositeErrorRegistry.getErrorCtor(errorSchema) ?? Error;
        const exception = new ErrorCtor({});
        const output = {};
        for (const [name, member] of ns.structIterator()) {
            if (dataObject[name] != null) {
                output[name] = this.deserializer.readValue(member, dataObject[name]);
            }
        }
        if (this.awsQueryCompatible) {
            this.mixin.queryCompatOutput(dataObject, output);
        }
        throw this.mixin.decorateServiceException(Object.assign(exception, errorMetadata, {
            $fault: ns.getMergedTraits().error,
            message,
        }, output), dataObject);
    }
}