timeout.js 2.83 KB
"use strict";
/*
 * Copyright 2019 Google LLC
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
Object.defineProperty(exports, "__esModule", { value: true });
/**
 * Updates func so that it gets called with the timeout as its final arg.
 *
 * This converts a function, func, into another function with updated deadline.
 *
 * @private
 *
 * @param {GRPCCall} func - a function to be updated.
 * @param {number} timeout - to be added to the original function as it final
 *   positional arg.
 * @param {Object} otherArgs - the additional arguments to be passed to func.
 * @param {Object=} abTests - the A/B testing key/value pairs.
 * @return {function(Object, APICallback)}
 *  the function with other arguments and the timeout.
 */
function addTimeoutArg(func, timeout, otherArgs, abTests) {
    // TODO: this assumes the other arguments consist of metadata and options,
    // which is specific to gRPC calls. Remove the hidden dependency on gRPC.
    return (argument, callback) => {
        const now = new Date();
        const options = otherArgs.options || {};
        options.deadline = new Date(now.getTime() + timeout);
        const metadata = otherArgs.metadataBuilder
            ? otherArgs.metadataBuilder(abTests, otherArgs.headers || {})
            : null;
        return func(argument, metadata, options, callback);
    };
}
exports.addTimeoutArg = addTimeoutArg;
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