FetchRequest.js   [plain text]

/*
 * Copyright (C) 2016 Apple Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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.
 */

// @conditional=ENABLE(FETCH_API)

function initializeFetchRequest(input, init)
{
    "use strict";

    if (init === @undefined)
        init = { };
    else if (!@isObject(init))
        @throwTypeError("Request init must be an object");

    const headers = this.@initializeWith(input, init);
    @assert(headers instanceof @Headers);

    const inputIsRequest = input instanceof @Request;
    if ("headers" in init)
        @fillFetchHeaders(headers, init.headers)
    else if (inputIsRequest)
        @fillFetchHeaders(headers, input.headers)

    const hasInitBody = init.body !== @undefined && init.body !== null;
    if (hasInitBody)
        this.@setBody(init.body)
    else
        this.@setBodyFromInputRequest(inputIsRequest ? input : null);

    return this;
}