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request.js6.84 kB
"use strict"; var __defProp = Object.defineProperty; var __getOwnPropDesc = Object.getOwnPropertyDescriptor; var __getOwnPropNames = Object.getOwnPropertyNames; var __hasOwnProp = Object.prototype.hasOwnProperty; var __export = (target, all) => { for (var name in all) __defProp(target, name, { get: all[name], enumerable: true }); }; var __copyProps = (to, from, except, desc) => { if (from && typeof from === "object" || typeof from === "function") { for (let key of __getOwnPropNames(from)) if (!__hasOwnProp.call(to, key) && key !== except) __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable }); } return to; }; var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod); // src/request.ts var request_exports = {}; __export(request_exports, { GlobalRequest: () => GlobalRequest, Request: () => Request, RequestError: () => RequestError, abortControllerKey: () => abortControllerKey, getAbortController: () => getAbortController, newRequest: () => newRequest, toRequestError: () => toRequestError, wrapBodyStream: () => wrapBodyStream }); module.exports = __toCommonJS(request_exports); var import_node_http2 = require("http2"); var import_node_stream = require("stream"); var RequestError = class extends Error { constructor(message, options) { super(message, options); this.name = "RequestError"; } }; var toRequestError = (e) => { if (e instanceof RequestError) { return e; } return new RequestError(e.message, { cause: e }); }; var GlobalRequest = global.Request; var Request = class extends GlobalRequest { constructor(input, options) { if (typeof input === "object" && getRequestCache in input) { input = input[getRequestCache](); } if (typeof options?.body?.getReader !== "undefined") { ; options.duplex ??= "half"; } super(input, options); } }; var newHeadersFromIncoming = (incoming) => { const headerRecord = []; const rawHeaders = incoming.rawHeaders; for (let i = 0; i < rawHeaders.length; i += 2) { const { [i]: key, [i + 1]: value } = rawHeaders; if (key.charCodeAt(0) !== /*:*/ 58) { headerRecord.push([key, value]); } } return new Headers(headerRecord); }; var wrapBodyStream = Symbol("wrapBodyStream"); var newRequestFromIncoming = (method, url, headers, incoming, abortController) => { const init = { method, headers, signal: abortController.signal }; if (method === "TRACE") { init.method = "GET"; const req = new Request(url, init); Object.defineProperty(req, "method", { get() { return "TRACE"; } }); return req; } if (!(method === "GET" || method === "HEAD")) { if ("rawBody" in incoming && incoming.rawBody instanceof Buffer) { init.body = new ReadableStream({ start(controller) { controller.enqueue(incoming.rawBody); controller.close(); } }); } else if (incoming[wrapBodyStream]) { let reader; init.body = new ReadableStream({ async pull(controller) { try { reader ||= import_node_stream.Readable.toWeb(incoming).getReader(); const { done, value } = await reader.read(); if (done) { controller.close(); } else { controller.enqueue(value); } } catch (error) { controller.error(error); } } }); } else { init.body = import_node_stream.Readable.toWeb(incoming); } } return new Request(url, init); }; var getRequestCache = Symbol("getRequestCache"); var requestCache = Symbol("requestCache"); var incomingKey = Symbol("incomingKey"); var urlKey = Symbol("urlKey"); var headersKey = Symbol("headersKey"); var abortControllerKey = Symbol("abortControllerKey"); var getAbortController = Symbol("getAbortController"); var requestPrototype = { get method() { return this[incomingKey].method || "GET"; }, get url() { return this[urlKey]; }, get headers() { return this[headersKey] ||= newHeadersFromIncoming(this[incomingKey]); }, [getAbortController]() { this[getRequestCache](); return this[abortControllerKey]; }, [getRequestCache]() { this[abortControllerKey] ||= new AbortController(); return this[requestCache] ||= newRequestFromIncoming( this.method, this[urlKey], this.headers, this[incomingKey], this[abortControllerKey] ); } }; [ "body", "bodyUsed", "cache", "credentials", "destination", "integrity", "mode", "redirect", "referrer", "referrerPolicy", "signal", "keepalive" ].forEach((k) => { Object.defineProperty(requestPrototype, k, { get() { return this[getRequestCache]()[k]; } }); }); ["arrayBuffer", "blob", "clone", "formData", "json", "text"].forEach((k) => { Object.defineProperty(requestPrototype, k, { value: function() { return this[getRequestCache]()[k](); } }); }); Object.setPrototypeOf(requestPrototype, Request.prototype); var newRequest = (incoming, defaultHostname) => { const req = Object.create(requestPrototype); req[incomingKey] = incoming; const incomingUrl = incoming.url || ""; if (incomingUrl[0] !== "/" && // short-circuit for performance. most requests are relative URL. (incomingUrl.startsWith("http://") || incomingUrl.startsWith("https://"))) { if (incoming instanceof import_node_http2.Http2ServerRequest) { throw new RequestError("Absolute URL for :path is not allowed in HTTP/2"); } try { const url2 = new URL(incomingUrl); req[urlKey] = url2.href; } catch (e) { throw new RequestError("Invalid absolute URL", { cause: e }); } return req; } const host = (incoming instanceof import_node_http2.Http2ServerRequest ? incoming.authority : incoming.headers.host) || defaultHostname; if (!host) { throw new RequestError("Missing host header"); } let scheme; if (incoming instanceof import_node_http2.Http2ServerRequest) { scheme = incoming.scheme; if (!(scheme === "http" || scheme === "https")) { throw new RequestError("Unsupported scheme"); } } else { scheme = incoming.socket && incoming.socket.encrypted ? "https" : "http"; } const url = new URL(`${scheme}://${host}${incomingUrl}`); if (url.hostname.length !== host.length && url.hostname !== host.replace(/:\d+$/, "")) { throw new RequestError("Invalid host header"); } req[urlKey] = url.href; return req; }; // Annotate the CommonJS export names for ESM import in node: 0 && (module.exports = { GlobalRequest, Request, RequestError, abortControllerKey, getAbortController, newRequest, toRequestError, wrapBodyStream });

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