A fetch API of GM_xmlhttpRequest
目前為
此腳本不應該直接安裝，它是一個供其他腳本使用的函式庫。欲使用本函式庫，請在腳本 metadata 寫上： // @require https://update.cn-greasyfork.org/scripts/472236/1235995/GM%20Fetch.js
// ==UserScript==
// @name GM Fetch
// @namespace https://github.com/Sec-ant/gm-fetch
// @version 0.0.9
// @author Ze-Zheng Wu
// @description A fetch API of GM_xmlhttpRequest
// @license MIT
// @homepage https://github.com/Sec-ant/gm-fetch
// @homepageURL https://github.com/Sec-ant/gm-fetch
// @source https://github.com/Sec-ant/gm-fetch.git
// @supportURL https://github.com/Sec-ant/gm-fetch/issues
// @match *://*/*
// @grant GM_xmlhttpRequest
// ==/UserScript==
(function () {
'use strict';
(function(global, factory) {
typeof exports === "object" && typeof module !== "undefined" ? module.exports = factory() : typeof define === "function" && define.amd ? define(factory) : (global = typeof globalThis !== "undefined" ? globalThis : global || self, global.gmFetch = factory());
})(globalThis, function() {
var _GM_xmlhttpRequest = /* @__PURE__ */ (() => typeof GM_xmlhttpRequest != "undefined" ? GM_xmlhttpRequest : void 0)();
function parseHeaders(rawHeaders) {
const headers = new Headers();
const preProcessedHeaders = rawHeaders.replace(/\r?\n[\t ]+/g, " ");
preProcessedHeaders.split(/\r?\n/).forEach(function(line) {
var _a;
var parts = line.split(":");
var key = (_a = parts.shift()) == null ? void 0 : _a.trim();
if (key) {
var value = parts.join(":").trim();
try {
headers.append(key, value);
} catch (error) {
console.warn("Response " + error.message);
}
}
});
return headers;
}
const gmFetch = async function(input, init) {
if (typeof _GM_xmlhttpRequest !== "function") {
throw new DOMException("GM_xmlhttpRequest not granted.", "NotFoundError");
}
const request = new Request(input, init);
if (request.signal.aborted) {
throw new DOMException("Network request aborted.", "AbortError");
}
const dataBuffer = await request.arrayBuffer();
const data = dataBuffer.byteLength ? new TextDecoder().decode(dataBuffer) : void 0;
const headers = Object.fromEntries(request.headers);
new Headers(init == null ? void 0 : init.headers).forEach((value, key) => {
headers[key] = value;
});
return new Promise((resolve, reject) => {
let settled = false;
const responseBlobPromise = new Promise((resolveBlob) => {
const { abort } = _GM_xmlhttpRequest({
method: request.method.toUpperCase(),
url: request.url || location.href,
headers,
data,
redirect: request.redirect,
binary: true,
nocache: request.cache === "no-store",
revalidate: request.cache === "reload",
timeout: 3e5,
responseType: _GM_xmlhttpRequest.RESPONSE_TYPE_STREAM ?? "blob",
overrideMimeType: request.headers.get("Content-Type") ?? void 0,
anonymous: request.credentials === "omit",
onload: ({ response: responseBody }) => {
if (settled) {
resolveBlob(null);
return;
}
resolveBlob(responseBody);
},
async onreadystatechange({
readyState,
responseHeaders,
status,
statusText,
finalUrl,
response: responseBody
}) {
if (readyState === XMLHttpRequest.DONE) {
request.signal.removeEventListener("abort", abort);
} else if (readyState !== XMLHttpRequest.HEADERS_RECEIVED) {
return;
}
if (settled) {
resolveBlob(null);
return;
}
const response = new Response(
responseBody instanceof ReadableStream ? responseBody : await responseBlobPromise,
{
status,
statusText
}
);
Object.defineProperties(response, {
url: {
value: finalUrl
},
redirected: {
value: request.url !== finalUrl
},
type: {
value: "basic"
},
headers: {
value: parseHeaders(responseHeaders)
}
});
resolve(response);
settled = true;
},
onerror: ({ statusText, error }) => {
reject(
new TypeError(statusText || error || "Network request failed.")
);
resolveBlob(null);
},
ontimeout() {
reject(new TypeError("Network request timeout."));
resolveBlob(null);
},
onabort() {
reject(new DOMException("Network request aborted.", "AbortError"));
resolveBlob(null);
}
});
request.signal.addEventListener("abort", abort);
});
});
};
return gmFetch;
});
})();