@okta/okta-auth-js/esm/node/fetch/fetchRequest.js

The Okta Auth SDK

/*!
 * Copyright (c) 2015-present, Okta, Inc. and/or its affiliates. All rights reserved.
 * The Okta software accompanied by this notice is provided pursuant to the Apache License, Version 2.0 (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 crossFetch from 'cross-fetch';

const appJsonContentTypeRegex = /application\/\w*\+?json/;
function readData(response) {
    if (response.headers.get('Content-Type') &&
        response.headers.get('Content-Type').toLowerCase().indexOf('application/json') >= 0) {
        return response.json()
            .catch(e => {
            return {
                error: e,
                errorSummary: 'Could not parse server response'
            };
        });
    }
    else {
        return response.text();
    }
}
function formatResult(status, data, response) {
    const isObject = typeof data === 'object';
    const headers = {};
    for (const pair of response.headers.entries()) {
        headers[pair[0]] = pair[1];
    }
    const result = {
        responseText: isObject ? JSON.stringify(data) : data,
        status: status,
        headers
    };
    if (isObject) {
        result.responseType = 'json';
        result.responseJSON = data;
    }
    return result;
}
function fetchRequest(method, url, args) {
    var body = args.data;
    var headers = args.headers || {};
    var contentType = (headers['Content-Type'] || headers['content-type'] || '');
    if (body && typeof body !== 'string') {
        if (appJsonContentTypeRegex.test(contentType)) {
            body = JSON.stringify(body);
        }
        else if (contentType === 'application/x-www-form-urlencoded') {
            body = Object.entries(body)
                .map(([param, value]) => `${param}=${encodeURIComponent(value)}`)
                .join('&');
        }
    }
    var fetch = window.fetch || crossFetch;
    var fetchPromise = fetch(url, {
        method: method,
        headers: args.headers,
        body: body,
        credentials: args.withCredentials ? 'include' : 'omit'
    });
    if (!fetchPromise.finally) {
        fetchPromise = Promise.resolve(fetchPromise);
    }
    return fetchPromise.then(function (response) {
        var error = !response.ok;
        var status = response.status;
        return readData(response)
            .then(data => {
            return formatResult(status, data, response);
        })
            .then(result => {
            var _a;
            if (error || ((_a = result.responseJSON) === null || _a === void 0 ? void 0 : _a.error)) {
                throw result;
            }
            return result;
        });
    });
}

export { fetchRequest as default };
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