HttpRequest for any type of request and HttpRequestHTML to request webpage. Supports caching of responses to handle status 304.
Устаревшая версия за
Этот скрипт недоступен для установки пользователем. Он является библиотекой, которая подключается к другим скриптам мета-ключом // @require https://update.greasyfork.org/scripts/405144/816619/HttpRequest.js
// ==UserScript==
// @name HttpRequest
// @namespace hoehleg.userscripts.private
// @version 0.1
// @description HttpRequest for any type of request and HttpRequestHTML to request webpage. Supports caching of responses to handle status 304.
// @author Gerrit Höhle
//
// @grant GM_xmlhttpRequest
//
// @require https://greasyfork.org/scripts/405143-simplecache/code/SimpleCache.js
// @require https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js
//
// ==/UserScript==
/* jshint esnext: true */
/* globals SimpleCache, $, jQuery */
const HttpRequest = (() => {
const responsesCache = new SimpleCache({ keyExtractor: (httpRequest) => [ httpRequest.method, httpRequest.url, httpRequest.headers, httpRequest.data, httpRequest.params ].join() });
const urlWithParams = (url, paramsObject) => {
const params = Object.entries(paramsObject).map(([key, value]) => key + '=' + value).join('&');
return (url.length > 0) ? url + '?' + params : params;
};
return class HttpRequest {
constructor({ method, url = window.location.href, headers = '', data = '', keepInCacheTimoutMs = 10 * 60000, params = {} } = {}) {
Object.assign(this, { method, url, headers, data, keepInCacheTimoutMs, params });
}
send() {
return new Promise((resolve, reject) => {
const method = this.method.toUpperCase();
let url = this.url;
let headers = this.headers;
let data = this.data;
const onload = (response) => {
switch (response.status) {
case 200:
if (this.keepInCacheTimoutMs > 0) {
responsesCache.set(this, response, this.keepInCacheTimoutMs);
}
break;
case 304:
if (this.isCached()) {
response = this.getFromCache();
response.status = 304;
}
break;
default:
reject(Error(`Status: ${response.status}, Error: ${response.statusText}`));
return;
}
resolve(response);
};
const onerror = () => {
reject(Error('network error'));
};
switch (method) {
case 'GET':
if (this.params) {
url = urlWithParams(url, this.params);
}
break;
case 'POST':
case 'PUT':
Object.assign(headers, { 'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8' });
if (this.params) {
data = urlWithParams(data, this.params);
}
break;
}
GM_xmlhttpRequest({ method, url, onload, onerror: this.onError, headers: this.headers, data });
});
}
isCached() {
return responsesCache.has(this);
}
getFromCache() {
return responsesCache.get(this);
}
};
})();
class HttpRequestHtml extends HttpRequest {
constructor({ url, method = "GET", headers, data, keepInCacheTimoutMs, params } = {}) {
super({ method, url, headers, data, keepInCacheTimoutMs, params });
}
send() {
return super.send().then(response => new Promise(resolve => {
if (response.status == 200) {
response.responseHtml = new DOMParser().parseFromString(response.responseText, 'text/html');
resolve(response);
}
}));
}
}