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-rw-r--r--cli/js2/26_fetch.js370
1 files changed, 0 insertions, 370 deletions
diff --git a/cli/js2/26_fetch.js b/cli/js2/26_fetch.js
deleted file mode 100644
index 2aee7c457..000000000
--- a/cli/js2/26_fetch.js
+++ /dev/null
@@ -1,370 +0,0 @@
-// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
-
-((window) => {
- const { notImplemented } = window.__bootstrap.util;
- const { getHeaderValueParams, isTypedArray } = window.__bootstrap.webUtil;
- const { Blob, bytesSymbol: blobBytesSymbol } = window.__bootstrap.blob;
- const { read } = window.__bootstrap.io;
- const { close } = window.__bootstrap.resources;
- const { sendAsync } = window.__bootstrap.dispatchJson;
- const Body = window.__bootstrap.body;
- const { ReadableStream } = window.__bootstrap.streams;
- const { MultipartBuilder } = window.__bootstrap.multipart;
- const { Headers } = window.__bootstrap.headers;
-
- function opFetch(
- args,
- body,
- ) {
- let zeroCopy;
- if (body != null) {
- zeroCopy = new Uint8Array(body.buffer, body.byteOffset, body.byteLength);
- }
-
- return sendAsync("op_fetch", args, ...(zeroCopy ? [zeroCopy] : []));
- }
-
- const NULL_BODY_STATUS = [101, 204, 205, 304];
- const REDIRECT_STATUS = [301, 302, 303, 307, 308];
-
- const responseData = new WeakMap();
- class Response extends Body.Body {
- constructor(body = null, init) {
- init = init ?? {};
-
- if (typeof init !== "object") {
- throw new TypeError(`'init' is not an object`);
- }
-
- const extraInit = responseData.get(init) || {};
- let { type = "default", url = "" } = extraInit;
-
- let status = init.status === undefined ? 200 : Number(init.status || 0);
- let statusText = init.statusText ?? "";
- let headers = init.headers instanceof Headers
- ? init.headers
- : new Headers(init.headers);
-
- if (init.status !== undefined && (status < 200 || status > 599)) {
- throw new RangeError(
- `The status provided (${init.status}) is outside the range [200, 599]`,
- );
- }
-
- // null body status
- if (body && NULL_BODY_STATUS.includes(status)) {
- throw new TypeError("Response with null body status cannot have body");
- }
-
- if (!type) {
- type = "default";
- } else {
- if (type == "error") {
- // spec: https://fetch.spec.whatwg.org/#concept-network-error
- status = 0;
- statusText = "";
- headers = new Headers();
- body = null;
- /* spec for other Response types:
- https://fetch.spec.whatwg.org/#concept-filtered-response-basic
- Please note that type "basic" is not the same thing as "default".*/
- } else if (type == "basic") {
- for (const h of headers) {
- /* Forbidden Response-Header Names:
- https://fetch.spec.whatwg.org/#forbidden-response-header-name */
- if (["set-cookie", "set-cookie2"].includes(h[0].toLowerCase())) {
- headers.delete(h[0]);
- }
- }
- } else if (type == "cors") {
- /* CORS-safelisted Response-Header Names:
- https://fetch.spec.whatwg.org/#cors-safelisted-response-header-name */
- const allowedHeaders = [
- "Cache-Control",
- "Content-Language",
- "Content-Length",
- "Content-Type",
- "Expires",
- "Last-Modified",
- "Pragma",
- ].map((c) => c.toLowerCase());
- for (const h of headers) {
- /* Technically this is still not standards compliant because we are
- supposed to allow headers allowed in the
- 'Access-Control-Expose-Headers' header in the 'internal response'
- However, this implementation of response doesn't seem to have an
- easy way to access the internal response, so we ignore that
- header.
- TODO(serverhiccups): change how internal responses are handled
- so we can do this properly. */
- if (!allowedHeaders.includes(h[0].toLowerCase())) {
- headers.delete(h[0]);
- }
- }
- /* TODO(serverhiccups): Once I fix the 'internal response' thing,
- these actually need to treat the internal response differently */
- } else if (type == "opaque" || type == "opaqueredirect") {
- url = "";
- status = 0;
- statusText = "";
- headers = new Headers();
- body = null;
- }
- }
-
- const contentType = headers.get("content-type") || "";
- const size = Number(headers.get("content-length")) || undefined;
-
- super(body, { contentType, size });
-
- this.url = url;
- this.statusText = statusText;
- this.status = extraInit.status || status;
- this.headers = headers;
- this.redirected = extraInit.redirected || false;
- this.type = type;
- }
-
- get ok() {
- return 200 <= this.status && this.status < 300;
- }
-
- clone() {
- if (this.bodyUsed) {
- throw TypeError(Body.BodyUsedError);
- }
-
- const iterators = this.headers.entries();
- const headersList = [];
- for (const header of iterators) {
- headersList.push(header);
- }
-
- let resBody = this._bodySource;
-
- if (this._bodySource instanceof ReadableStream) {
- const tees = this._bodySource.tee();
- this._stream = this._bodySource = tees[0];
- resBody = tees[1];
- }
-
- return new Response(resBody, {
- status: this.status,
- statusText: this.statusText,
- headers: new Headers(headersList),
- });
- }
-
- static redirect(url, status) {
- if (![301, 302, 303, 307, 308].includes(status)) {
- throw new RangeError(
- "The redirection status must be one of 301, 302, 303, 307 and 308.",
- );
- }
- return new Response(null, {
- status,
- statusText: "",
- headers: [["Location", typeof url === "string" ? url : url.toString()]],
- });
- }
- }
-
- function sendFetchReq(
- url,
- method,
- headers,
- body,
- ) {
- let headerArray = [];
- if (headers) {
- headerArray = Array.from(headers.entries());
- }
-
- const args = {
- method,
- url,
- headers: headerArray,
- };
-
- return opFetch(args, body);
- }
-
- async function fetch(
- input,
- init,
- ) {
- let url;
- let method = null;
- let headers = null;
- let body;
- let redirected = false;
- let remRedirectCount = 20; // TODO: use a better way to handle
-
- if (typeof input === "string" || input instanceof URL) {
- url = typeof input === "string" ? input : input.href;
- if (init != null) {
- method = init.method || null;
- if (init.headers) {
- headers = init.headers instanceof Headers
- ? init.headers
- : new Headers(init.headers);
- } else {
- headers = null;
- }
-
- // ref: https://fetch.spec.whatwg.org/#body-mixin
- // Body should have been a mixin
- // but we are treating it as a separate class
- if (init.body) {
- if (!headers) {
- headers = new Headers();
- }
- let contentType = "";
- if (typeof init.body === "string") {
- body = new TextEncoder().encode(init.body);
- contentType = "text/plain;charset=UTF-8";
- } else if (isTypedArray(init.body)) {
- body = init.body;
- } else if (init.body instanceof ArrayBuffer) {
- body = new Uint8Array(init.body);
- } else if (init.body instanceof URLSearchParams) {
- body = new TextEncoder().encode(init.body.toString());
- contentType = "application/x-www-form-urlencoded;charset=UTF-8";
- } else if (init.body instanceof Blob) {
- body = init.body[blobBytesSymbol];
- contentType = init.body.type;
- } else if (init.body instanceof FormData) {
- let boundary;
- if (headers.has("content-type")) {
- const params = getHeaderValueParams("content-type");
- boundary = params.get("boundary");
- }
- const multipartBuilder = new MultipartBuilder(init.body, boundary);
- body = multipartBuilder.getBody();
- contentType = multipartBuilder.getContentType();
- } else {
- // TODO: ReadableStream
- notImplemented();
- }
- if (contentType && !headers.has("content-type")) {
- headers.set("content-type", contentType);
- }
- }
- }
- } else {
- url = input.url;
- method = input.method;
- headers = input.headers;
-
- if (input._bodySource) {
- body = new DataView(await input.arrayBuffer());
- }
- }
-
- let responseBody;
- let responseInit = {};
- while (remRedirectCount) {
- const fetchResponse = await sendFetchReq(url, method, headers, body);
-
- if (
- NULL_BODY_STATUS.includes(fetchResponse.status) ||
- REDIRECT_STATUS.includes(fetchResponse.status)
- ) {
- // We won't use body of received response, so close it now
- // otherwise it will be kept in resource table.
- close(fetchResponse.bodyRid);
- responseBody = null;
- } else {
- responseBody = new ReadableStream({
- async pull(controller) {
- try {
- const b = new Uint8Array(1024 * 32);
- const result = await read(fetchResponse.bodyRid, b);
- if (result === null) {
- controller.close();
- return close(fetchResponse.bodyRid);
- }
-
- controller.enqueue(b.subarray(0, result));
- } catch (e) {
- controller.error(e);
- controller.close();
- close(fetchResponse.bodyRid);
- }
- },
- cancel() {
- // When reader.cancel() is called
- close(fetchResponse.bodyRid);
- },
- });
- }
-
- responseInit = {
- status: 200,
- statusText: fetchResponse.statusText,
- headers: fetchResponse.headers,
- };
-
- responseData.set(responseInit, {
- redirected,
- rid: fetchResponse.bodyRid,
- status: fetchResponse.status,
- url,
- });
-
- const response = new Response(responseBody, responseInit);
-
- if (REDIRECT_STATUS.includes(fetchResponse.status)) {
- // We're in a redirect status
- switch ((init && init.redirect) || "follow") {
- case "error":
- responseInit = {};
- responseData.set(responseInit, {
- type: "error",
- redirected: false,
- url: "",
- });
- return new Response(null, responseInit);
- case "manual":
- responseInit = {};
- responseData.set(responseInit, {
- type: "opaqueredirect",
- redirected: false,
- url: "",
- });
- return new Response(null, responseInit);
- case "follow":
- default:
- let redirectUrl = response.headers.get("Location");
- if (redirectUrl == null) {
- return response; // Unspecified
- }
- if (
- !redirectUrl.startsWith("http://") &&
- !redirectUrl.startsWith("https://")
- ) {
- redirectUrl = new URL(redirectUrl, url).href;
- }
- url = redirectUrl;
- redirected = true;
- remRedirectCount--;
- }
- } else {
- return response;
- }
- }
-
- responseData.set(responseInit, {
- type: "error",
- redirected: false,
- url: "",
- });
-
- return new Response(null, responseInit);
- }
-
- window.__bootstrap.fetch = {
- fetch,
- Response,
- };
-})(this);
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-26 06:46:35 +0000