2021-04-20 08:47:22 -04:00
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// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
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// @ts-check
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/// <reference path="../webidl/internal.d.ts" />
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/// <reference path="../web/internal.d.ts" />
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/// <reference path="../file/internal.d.ts" />
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/// <reference path="../file/lib.deno_file.d.ts" />
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/// <reference path="./internal.d.ts" />
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/// <reference path="./11_streams_types.d.ts" />
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/// <reference path="./lib.deno_fetch.d.ts" />
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/// <reference lib="esnext" />
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"use strict";
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((window) => {
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const webidl = window.__bootstrap.webidl;
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const { HTTP_TOKEN_CODE_POINT_RE, byteUpperCase } = window.__bootstrap.infra;
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const { URL } = window.__bootstrap.url;
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const { guardFromHeaders } = window.__bootstrap.headers;
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const { InnerBody, mixinBody, extractBody } = window.__bootstrap.fetchBody;
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const { getLocationHref } = window.__bootstrap.location;
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const mimesniff = window.__bootstrap.mimesniff;
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const {
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headersFromHeaderList,
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headerListFromHeaders,
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fillHeaders,
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getDecodeSplitHeader,
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} = window.__bootstrap.headers;
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const { HttpClient } = window.__bootstrap.fetch;
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const _request = Symbol("request");
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const _headers = Symbol("headers");
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const _mimeType = Symbol("mime type");
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const _body = Symbol("body");
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/**
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* @typedef InnerRequest
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* @property {string} method
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* @property {() => string} url
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* @property {() => string} currentUrl
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* @property {[string, string][]} headerList
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* @property {null | InnerBody} body
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* @property {"follow" | "error" | "manual"} redirectMode
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* @property {number} redirectCount
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* @property {string[]} urlList
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* @property {number | null} clientRid NOTE: non standard extension for `Deno.HttpClient`.
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*/
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const defaultInnerRequest = {
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url() {
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return this.urlList[0];
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},
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currentUrl() {
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return this.urlList[this.urlList.length - 1];
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},
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redirectMode: "follow",
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redirectCount: 0,
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clientRid: null,
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};
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/**
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* @param {string} method
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* @param {string} url
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* @param {[string, string][]} headerList
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* @param {InnerBody} body
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* @returns
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*/
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function newInnerRequest(method, url, headerList = [], body = null) {
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return {
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method: method,
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headerList,
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body,
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urlList: [url],
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...defaultInnerRequest,
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};
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}
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/**
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* https://fetch.spec.whatwg.org/#concept-request-clone
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* @param {InnerRequest} request
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* @returns {InnerRequest}
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*/
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function cloneInnerRequest(request) {
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const headerList = [...request.headerList.map((x) => [x[0], x[1]])];
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let body = null;
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if (request.body !== null) {
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body = request.body.clone();
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}
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return {
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method: request.method,
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url() {
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return this.urlList[0];
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},
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currentUrl() {
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return this.urlList[this.urlList.length - 1];
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},
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headerList,
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body,
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redirectMode: request.redirectMode,
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redirectCount: request.redirectCount,
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urlList: request.urlList,
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clientRid: request.clientRid,
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};
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}
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/**
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* @param {string} m
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* @returns {boolean}
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*/
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function isKnownMethod(m) {
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return (
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m === "DELETE" ||
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m === "GET" ||
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m === "HEAD" ||
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m === "OPTIONS" ||
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m === "POST" ||
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m === "PUT"
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);
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}
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/**
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* @param {string} m
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* @returns {string}
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*/
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function validateAndNormalizeMethod(m) {
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// Fast path for well-known methods
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if (isKnownMethod(m)) {
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return m;
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}
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// Regular path
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if (!HTTP_TOKEN_CODE_POINT_RE.test(m)) {
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throw new TypeError("Method is not valid.");
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}
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const upperCase = byteUpperCase(m);
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if (
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upperCase === "CONNECT" || upperCase === "TRACE" || upperCase === "TRACK"
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) {
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throw new TypeError("Method is forbidden.");
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}
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return upperCase;
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}
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class Request {
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/** @type {InnerRequest} */
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[_request];
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/** @type {Headers} */
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[_headers];
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get [_mimeType]() {
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let charset = null;
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let essence = null;
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let mimeType = null;
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const values = getDecodeSplitHeader(
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headerListFromHeaders(this[_headers]),
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"Content-Type",
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);
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if (values === null) return null;
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for (const value of values) {
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const temporaryMimeType = mimesniff.parseMimeType(value);
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if (
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temporaryMimeType === null ||
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mimesniff.essence(temporaryMimeType) == "*/*"
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) {
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continue;
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}
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mimeType = temporaryMimeType;
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if (mimesniff.essence(mimeType) !== essence) {
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charset = null;
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const newCharset = mimeType.parameters.get("charset");
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if (newCharset !== undefined) {
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charset = newCharset;
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}
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essence = mimesniff.essence(mimeType);
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} else {
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if (mimeType.parameters.has("charset") === null && charset !== null) {
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mimeType.parameters.set("charset", charset);
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}
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}
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}
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if (mimeType === null) return null;
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return mimeType;
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}
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get [_body]() {
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return this[_request].body;
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}
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/**
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* https://fetch.spec.whatwg.org/#dom-request
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* @param {RequestInfo} input
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* @param {RequestInit} init
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*/
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constructor(input, init = {}) {
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const prefix = "Failed to construct 'Request'";
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webidl.requiredArguments(arguments.length, 1, { prefix });
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input = webidl.converters["RequestInfo"](input, {
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prefix,
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context: "Argument 1",
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});
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init = webidl.converters["RequestInit"](init, {
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prefix,
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context: "Argument 2",
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});
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this[webidl.brand] = webidl.brand;
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/** @type {InnerRequest} */
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let request;
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const baseURL = getLocationHref();
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// 5.
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if (typeof input === "string") {
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const parsedURL = new URL(input, baseURL);
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request = newInnerRequest("GET", parsedURL.href, [], null);
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} else { // 6.
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if (!(input instanceof Request)) throw new TypeError("Unreachable");
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request = input[_request];
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}
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// 22.
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if (init.redirect !== undefined) {
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request.redirectMode = init.redirect;
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}
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// 25.
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if (init.method !== undefined) {
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let method = init.method;
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method = validateAndNormalizeMethod(method);
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request.method = method;
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}
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// NOTE: non standard extension. This handles Deno.HttpClient parameter
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if (init.client !== undefined) {
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if (init.client !== null && !(init.client instanceof HttpClient)) {
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throw webidl.makeException(
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TypeError,
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"`client` must be a Deno.HttpClient",
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{ prefix, context: "Argument 2" },
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);
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}
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request.clientRid = init.client?.rid ?? null;
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}
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// 27.
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this[_request] = request;
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// 29.
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this[_headers] = headersFromHeaderList(request.headerList, "request");
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// 31.
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if (Object.keys(init).length > 0) {
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let headers = headerListFromHeaders(this[_headers]);
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if (init.headers !== undefined) {
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headers = init.headers;
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}
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headerListFromHeaders(this[_headers]).slice(
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0,
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headerListFromHeaders(this[_headers]).length,
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);
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fillHeaders(this[_headers], headers);
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}
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// 32.
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let inputBody = null;
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if (input instanceof Request) {
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inputBody = input[_body];
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}
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// 33.
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if (
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(request.method === "GET" || request.method === "HEAD") &&
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((init.body !== undefined && init.body !== null) ||
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inputBody !== null)
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) {
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throw new TypeError("HEAD and GET requests may not have a body.");
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}
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// 34.
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let initBody = null;
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// 35.
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if (init.body !== undefined && init.body !== null) {
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const res = extractBody(init.body);
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initBody = res.body;
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if (res.contentType !== null && !this[_headers].has("content-type")) {
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this[_headers].append("Content-Type", res.contentType);
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}
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}
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// 36.
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const inputOrInitBody = initBody ?? inputBody;
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// 38.
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const finalBody = inputOrInitBody;
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// 39.
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// TODO(lucacasonato): implement this step. Is it needed?
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// 40.
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request.body = finalBody;
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}
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get method() {
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webidl.assertBranded(this, Request);
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return this[_request].method;
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}
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get url() {
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webidl.assertBranded(this, Request);
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return this[_request].url();
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}
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get headers() {
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webidl.assertBranded(this, Request);
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return this[_headers];
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}
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get destination() {
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webidl.assertBranded(this, Request);
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throw new TypeError("This property is not implemented.");
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}
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get referrer() {
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webidl.assertBranded(this, Request);
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throw new TypeError("This property is not implemented.");
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}
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get referrerPolicy() {
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webidl.assertBranded(this, Request);
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throw new TypeError("This property is not implemented.");
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}
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get mode() {
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webidl.assertBranded(this, Request);
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throw new TypeError("This property is not implemented.");
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}
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get credentials() {
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webidl.assertBranded(this, Request);
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throw new TypeError("This property is not implemented.");
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}
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get cache() {
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webidl.assertBranded(this, Request);
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throw new TypeError("This property is not implemented.");
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}
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get redirect() {
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webidl.assertBranded(this, Request);
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return this[_request].redirectMode;
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}
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get integrity() {
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webidl.assertBranded(this, Request);
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throw new TypeError("This property is not implemented.");
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}
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get keepalive() {
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webidl.assertBranded(this, Request);
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throw new TypeError("This property is not implemented.");
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}
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get isReloadNavigation() {
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webidl.assertBranded(this, Request);
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throw new TypeError("This property is not implemented.");
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}
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get isHistoryNavigation() {
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webidl.assertBranded(this, Request);
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throw new TypeError("This property is not implemented.");
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}
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get signal() {
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webidl.assertBranded(this, Request);
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throw new TypeError("This property is not implemented.");
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}
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clone() {
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webidl.assertBranded(this, Request);
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if (this[_body] && this[_body].unusable()) {
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throw new TypeError("Body is unusable.");
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}
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const newReq = cloneInnerRequest(this[_request]);
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return fromInnerRequest(newReq, guardFromHeaders(this[_headers]));
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}
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get [Symbol.toStringTag]() {
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return "Request";
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}
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[Symbol.for("Deno.customInspect")](inspect) {
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const inner = {
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bodyUsed: this.bodyUsed,
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headers: this.headers,
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method: this.method,
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redirect: this.redirect,
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2021-04-23 14:38:45 -04:00
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url: this.url,
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2021-04-20 08:47:22 -04:00
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};
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return `Request ${inspect(inner)}`;
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}
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}
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mixinBody(Request, _body, _mimeType);
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webidl.converters["Request"] = webidl.createInterfaceConverter(
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"Request",
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Request,
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);
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webidl.converters["RequestInfo"] = (V, opts) => {
|
|
|
|
// Union for (Request or USVString)
|
|
|
|
if (typeof V == "object") {
|
|
|
|
if (V instanceof Request) {
|
|
|
|
return webidl.converters["Request"](V, opts);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return webidl.converters["USVString"](V, opts);
|
|
|
|
};
|
|
|
|
|
|
|
|
webidl.converters["ReferrerPolicy"] = webidl.createEnumConverter(
|
|
|
|
"ReferrerPolicy",
|
|
|
|
[
|
|
|
|
"",
|
|
|
|
"no-referrer",
|
|
|
|
"no-referrer-when-downgrade",
|
|
|
|
"same-origin",
|
|
|
|
"origin",
|
|
|
|
"strict-origin",
|
|
|
|
"origin-when-cross-origin",
|
|
|
|
"strict-origin-when-cross-origin",
|
|
|
|
"unsafe-url",
|
|
|
|
],
|
|
|
|
);
|
|
|
|
webidl.converters["RequestMode"] = webidl.createEnumConverter("RequestMode", [
|
|
|
|
"navigate",
|
|
|
|
"same-origin",
|
|
|
|
"no-cors",
|
|
|
|
"cors",
|
|
|
|
]);
|
|
|
|
webidl.converters["RequestCredentials"] = webidl.createEnumConverter(
|
|
|
|
"RequestCredentials",
|
|
|
|
[
|
|
|
|
"omit",
|
|
|
|
"same-origin",
|
|
|
|
"include",
|
|
|
|
],
|
|
|
|
);
|
|
|
|
webidl.converters["RequestCache"] = webidl.createEnumConverter(
|
|
|
|
"RequestCache",
|
|
|
|
[
|
|
|
|
"default",
|
|
|
|
"no-store",
|
|
|
|
"reload",
|
|
|
|
"no-cache",
|
|
|
|
"force-cache",
|
|
|
|
"only-if-cached",
|
|
|
|
],
|
|
|
|
);
|
|
|
|
webidl.converters["RequestRedirect"] = webidl.createEnumConverter(
|
|
|
|
"RequestRedirect",
|
|
|
|
[
|
|
|
|
"follow",
|
|
|
|
"error",
|
|
|
|
"manual",
|
|
|
|
],
|
|
|
|
);
|
|
|
|
webidl.converters["RequestInit"] = webidl.createDictionaryConverter(
|
|
|
|
"RequestInit",
|
|
|
|
[
|
|
|
|
{ key: "method", converter: webidl.converters["ByteString"] },
|
|
|
|
{ key: "headers", converter: webidl.converters["HeadersInit"] },
|
|
|
|
{
|
|
|
|
key: "body",
|
|
|
|
converter: webidl.createNullableConverter(
|
|
|
|
webidl.converters["BodyInit"],
|
|
|
|
),
|
|
|
|
},
|
|
|
|
{ key: "referrer", converter: webidl.converters["USVString"] },
|
|
|
|
{ key: "referrerPolicy", converter: webidl.converters["ReferrerPolicy"] },
|
|
|
|
{ key: "mode", converter: webidl.converters["RequestMode"] },
|
|
|
|
{
|
|
|
|
key: "credentials",
|
|
|
|
converter: webidl.converters["RequestCredentials"],
|
|
|
|
},
|
|
|
|
{ key: "cache", converter: webidl.converters["RequestCache"] },
|
|
|
|
{ key: "redirect", converter: webidl.converters["RequestRedirect"] },
|
|
|
|
{ key: "integrity", converter: webidl.converters["DOMString"] },
|
|
|
|
{ key: "keepalive", converter: webidl.converters["boolean"] },
|
|
|
|
{
|
|
|
|
key: "signal",
|
|
|
|
converter: webidl.createNullableConverter(
|
|
|
|
webidl.converters["AbortSignal"],
|
|
|
|
),
|
|
|
|
},
|
|
|
|
{ key: "client", converter: webidl.converters.any },
|
|
|
|
],
|
|
|
|
);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @param {Request} request
|
|
|
|
* @returns {InnerRequest}
|
|
|
|
*/
|
|
|
|
function toInnerRequest(request) {
|
|
|
|
return request[_request];
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @param {InnerRequest} inner
|
|
|
|
* @param {"request" | "immutable" | "request-no-cors" | "response" | "none"} guard
|
|
|
|
* @returns {Request}
|
|
|
|
*/
|
|
|
|
function fromInnerRequest(inner, guard) {
|
|
|
|
const request = webidl.createBranded(Request);
|
|
|
|
request[_request] = inner;
|
|
|
|
request[_headers] = headersFromHeaderList(inner.headerList, guard);
|
|
|
|
return request;
|
|
|
|
}
|
|
|
|
|
|
|
|
window.__bootstrap.fetch ??= {};
|
|
|
|
window.__bootstrap.fetch.Request = Request;
|
|
|
|
window.__bootstrap.fetch.toInnerRequest = toInnerRequest;
|
|
|
|
window.__bootstrap.fetch.fromInnerRequest = fromInnerRequest;
|
|
|
|
window.__bootstrap.fetch.newInnerRequest = newInnerRequest;
|
|
|
|
})(globalThis);
|