page-with/lib/utils/request.js

A library for usage example-driven in-browser testing of your own libraries.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.createRequestUtil = void 0;
const uuid_1 = require("uuid");
const headers_polyfill_1 = require("headers-polyfill");
function createRequestUtil(page, server) {
    return (url, init, predicate) => {
        var _a;
        const requestId = (0, uuid_1.v4)();
        const resolvedUrl = url.startsWith('/')
            ? new URL(url, (_a = server.connectionInfo) === null || _a === void 0 ? void 0 : _a.url).toString()
            : url;
        const fetchOptions = init || {};
        const initialHeaders = fetchOptions.headers || {};
        const requestHeaders = new headers_polyfill_1.Headers(initialHeaders);
        const identityHeaderName = 'accept-language';
        requestHeaders.set(identityHeaderName, requestId);
        const resolvedInit = Object.assign({}, fetchOptions, {
            headers: (0, headers_polyfill_1.headersToObject)(requestHeaders),
        });
        page.evaluate(([url, init]) => fetch(url, init), [
            resolvedUrl,
            resolvedInit,
        ]);
        const defaultResponsePredicate = (res) => {
            const requestHeaders = res.request().headers();
            return requestHeaders[identityHeaderName] === requestId;
        };
        return page.waitForResponse((res) => {
            return predicate
                ? predicate(res, resolvedUrl)
                : defaultResponsePredicate(res);
        });
    };
}
exports.createRequestUtil = createRequestUtil;