v1.0 with SW PWA enabled

frontend/node_modules/workbox-background-sync/lib/StorableRequest.js

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+/*
+  Copyright 2018 Google LLC
+
+  Use of this source code is governed by an MIT-style
+  license that can be found in the LICENSE file or at
+  https://opensource.org/licenses/MIT.
+*/
+import { assert } from 'workbox-core/_private/assert.js';
+import '../_version.js';
+const serializableProperties = [
+    'method',
+    'referrer',
+    'referrerPolicy',
+    'mode',
+    'credentials',
+    'cache',
+    'redirect',
+    'integrity',
+    'keepalive',
+];
+/**
+ * A class to make it easier to serialize and de-serialize requests so they
+ * can be stored in IndexedDB.
+ *
+ * Most developers will not need to access this class directly;
+ * it is exposed for advanced use cases.
+ */
+class StorableRequest {
+    /**
+     * Converts a Request object to a plain object that can be structured
+     * cloned or JSON-stringified.
+     *
+     * @param {Request} request
+     * @return {Promise<StorableRequest>}
+     */
+    static async fromRequest(request) {
+        const requestData = {
+            url: request.url,
+            headers: {},
+        };
+        // Set the body if present.
+        if (request.method !== 'GET') {
+            // Use ArrayBuffer to support non-text request bodies.
+            // NOTE: we can't use Blobs becuse Safari doesn't support storing
+            // Blobs in IndexedDB in some cases:
+            // https://github.com/dfahlander/Dexie.js/issues/618#issuecomment-398348457
+            requestData.body = await request.clone().arrayBuffer();
+        }
+        // Convert the headers from an iterable to an object.
+        for (const [key, value] of request.headers.entries()) {
+            requestData.headers[key] = value;
+        }
+        // Add all other serializable request properties
+        for (const prop of serializableProperties) {
+            if (request[prop] !== undefined) {
+                requestData[prop] = request[prop];
+            }
+        }
+        return new StorableRequest(requestData);
+    }
+    /**
+     * Accepts an object of request data that can be used to construct a
+     * `Request` but can also be stored in IndexedDB.
+     *
+     * @param {Object} requestData An object of request data that includes the
+     *     `url` plus any relevant properties of
+     *     [requestInit]{@link https://fetch.spec.whatwg.org/#requestinit}.
+     */
+    constructor(requestData) {
+        if (process.env.NODE_ENV !== 'production') {
+            assert.isType(requestData, 'object', {
+                moduleName: 'workbox-background-sync',
+                className: 'StorableRequest',
+                funcName: 'constructor',
+                paramName: 'requestData',
+            });
+            assert.isType(requestData.url, 'string', {
+                moduleName: 'workbox-background-sync',
+                className: 'StorableRequest',
+                funcName: 'constructor',
+                paramName: 'requestData.url',
+            });
+        }
+        // If the request's mode is `navigate`, convert it to `same-origin` since
+        // navigation requests can't be constructed via script.
+        if (requestData['mode'] === 'navigate') {
+            requestData['mode'] = 'same-origin';
+        }
+        this._requestData = requestData;
+    }
+    /**
+     * Returns a deep clone of the instances `_requestData` object.
+     *
+     * @return {Object}
+     */
+    toObject() {
+        const requestData = Object.assign({}, this._requestData);
+        requestData.headers = Object.assign({}, this._requestData.headers);
+        if (requestData.body) {
+            requestData.body = requestData.body.slice(0);
+        }
+        return requestData;
+    }
+    /**
+     * Converts this instance to a Request.
+     *
+     * @return {Request}
+     */
+    toRequest() {
+        return new Request(this._requestData.url, this._requestData);
+    }
+    /**
+     * Creates and returns a deep clone of the instance.
+     *
+     * @return {StorableRequest}
+     */
+    clone() {
+        return new StorableRequest(this.toObject());
+    }
+}
+export { StorableRequest };