自用函数 For wenku8++
目前为
此脚本不应直接安装，它是一个供其他脚本使用的外部库。如果您需要使用该库，请在脚本元属性加入：// @require https://update.gf.qytechs.cn/scripts/449412/1085085/Basic%20Functions.js
/* eslint-disable no-multi-spaces */
// ==UserScript==
// @name Basic Functions
// @name:zh-CN 常用函数
// @name:en Basic Functions
// @namespace Wenku8++
// @version 0.3
// @description 自用函数 For wenku8++
// @description:zh-CN 自用函数 For wenku8++
// @description:en Useful functions for myself
// @author PY-DNG
// @license GPL-license
// @grant GM_info
// @grant GM_addStyle
// @grant GM_addElement
// @grant GM_deleteValue
// @grant GM_listValues
// @grant GM_addValueChangeListener
// @grant GM_removeValueChangeListener
// @grant GM_setValue
// @grant GM_getValue
// @grant GM_log
// @grant GM_getResourceText
// @grant GM_getResourceURL
// @grant GM_registerMenuCommand
// @grant GM_unregisterMenuCommand
// @grant GM_openInTab
// @grant GM_xmlhttpRequest
// @grant GM_download
// @grant GM_getTab
// @grant GM_saveTab
// @grant GM_getTabs
// @grant GM_notification
// @grant GM_setClipboard
// @grant GM_info
// @grant unsafeWindow
// ==/UserScript==
const LogLevel = {
None: 0,
Error: 1,
Success: 2,
Warning: 3,
Info: 4,
}
// Arguments: level=LogLevel.Info, logContent, asObject=false
// Needs one call "DoLog();" to get it initialized before using it!
function DoLog() {
// Get window
const win = (typeof(unsafeWindow) === 'object' && unsafeWindow !== null) ? unsafeWindow : window;
// Global log levels set
LogLevel = {
None: 0,
Error: 1,
Success: 2,
Warning: 3,
Info: 4,
}
const LogLevelMap = {};
LogLevelMap[LogLevel.None] = {
prefix: '',
color: 'color:#ffffff'
}
LogLevelMap[LogLevel.Error] = {
prefix: '[Error]',
color: 'color:#ff0000'
}
LogLevelMap[LogLevel.Success] = {
prefix: '[Success]',
color: 'color:#00aa00'
}
LogLevelMap[LogLevel.Warning] = {
prefix: '[Warning]',
color: 'color:#ffa500'
}
LogLevelMap[LogLevel.Info] = {
prefix: '[Info]',
color: 'color:#888888'
}
LogLevelMap[LogLevel.Elements] = {
prefix: '[Elements]',
color: 'color:#000000'
}
// Current log level
DoLog.logLevel = win.isPY_DNG ? LogLevel.Info : LogLevel.Warning; // Info Warning Success Error
// Log counter
DoLog.logCount === undefined && (DoLog.logCount = 0);
// Get args
let level, logContent, asObject;
switch (arguments.length) {
case 1:
level = LogLevel.Info;
logContent = arguments[0];
asObject = false;
break;
case 2:
level = arguments[0];
logContent = arguments[1];
asObject = false;
break;
case 3:
level = arguments[0];
logContent = arguments[1];
asObject = arguments[2];
break;
default:
level = LogLevel.Info;
logContent = 'DoLog initialized.';
asObject = false;
break;
}
// Log when log level permits
if (level <= DoLog.logLevel) {
let msg = '%c' + LogLevelMap[level].prefix + (typeof MODULE_DATA === 'object' ? '[' + MODULE_DATA.name + ']' : '');
let subst = LogLevelMap[level].color;
if (asObject) {
msg += ' %o';
} else {
switch (typeof(logContent)) {
case 'string':
msg += ' %s';
break;
case 'number':
msg += ' %d';
break;
case 'object':
msg += ' %o';
break;
}
}
if (++DoLog.logCount > 512) {
console.clear();
DoLog.logCount = 0;
}
console.log(msg, subst, logContent);
}
}
DoLog();
// Basic functions
// querySelector
function $() {
switch (arguments.length) {
case 2:
return arguments[0].querySelector(arguments[1]);
break;
default:
return document.querySelector(arguments[0]);
}
}
// querySelectorAll
function $All() {
switch (arguments.length) {
case 2:
return arguments[0].querySelectorAll(arguments[1]);
break;
default:
return document.querySelectorAll(arguments[0]);
}
}
// createElement
function $CrE() {
switch (arguments.length) {
case 2:
return arguments[0].createElement(arguments[1]);
break;
default:
return document.createElement(arguments[0]);
}
}
// Object1[prop] ==> Object2[prop]
function copyProp(obj1, obj2, prop) {
obj1.hasOwnProperty(prop) && (obj2[prop] = obj1[prop]);
}
function copyProps(obj1, obj2, props) {
props.forEach((prop) => (copyProp(obj1, obj2, prop)));
}
function clearChildNodes(elm) {
for (const el of elm.childNodes) {
elm.removeChild(el);
}
}
// Just stopPropagation and preventDefault
function destroyEvent(e) {
if (!e) {
return false;
};
if (!e instanceof Event) {
return false;
};
e.stopPropagation();
e.preventDefault();
}
// GM_XHR HOOK: The number of running GM_XHRs in a time must under maxXHR
// Returns the abort function to stop the request anyway(no matter it's still waiting, or requesting)
// (If the request is invalid, such as url === '', will return false and will NOT make this request)
// If the abort function called on a request that is not running(still waiting or finished), there will be NO onabort event
// Requires: function delItem(){...} & function uniqueIDMaker(){...}
function GMXHRHook(maxXHR = 5) {
const GM_XHR = GM_xmlhttpRequest;
const getID = uniqueIDMaker();
let todoList = [],
ongoingList = [];
GM_xmlhttpRequest = safeGMxhr;
function safeGMxhr() {
// Get an id for this request, arrange a request object for it.
const id = getID();
const request = {
id: id,
args: arguments,
aborter: null
};
// Deal onload function first
dealEndingEvents(request);
/* DO NOT DO THIS! KEEP ITS ORIGINAL PROPERTIES!
// Stop invalid requests
if (!validCheck(request)) {
return false;
}
*/
// Judge if we could start the request now or later?
todoList.push(request);
checkXHR();
return makeAbortFunc(id);
// Decrease activeXHRCount while GM_XHR onload;
function dealEndingEvents(request) {
const e = request.args[0];
// onload event
const oriOnload = e.onload;
e.onload = function() {
reqFinish(request.id);
checkXHR();
oriOnload ? oriOnload.apply(null, arguments) : function() {};
}
// onerror event
const oriOnerror = e.onerror;
e.onerror = function() {
reqFinish(request.id);
checkXHR();
oriOnerror ? oriOnerror.apply(null, arguments) : function() {};
}
// ontimeout event
const oriOntimeout = e.ontimeout;
e.ontimeout = function() {
reqFinish(request.id);
checkXHR();
oriOntimeout ? oriOntimeout.apply(null, arguments) : function() {};
}
// onabort event
const oriOnabort = e.onabort;
e.onabort = function() {
reqFinish(request.id);
checkXHR();
oriOnabort ? oriOnabort.apply(null, arguments) : function() {};
}
}
// Check if the request is invalid
function validCheck(request) {
const e = request.args[0];
if (!e.url) {
return false;
}
return true;
}
// Call a XHR from todoList and push the request object to ongoingList if called
function checkXHR() {
if (ongoingList.length >= maxXHR) {
return false;
};
if (todoList.length === 0) {
return false;
};
const req = todoList.shift();
const reqArgs = req.args;
const aborter = GM_XHR.apply(null, reqArgs);
req.aborter = aborter;
ongoingList.push(req);
return req;
}
// Make a function that aborts a certain request
function makeAbortFunc(id) {
return function() {
let i;
// Check if the request haven't been called
for (i = 0; i < todoList.length; i++) {
const req = todoList[i];
if (req.id === id) {
// found this request: haven't been called
delItem(todoList, i);
return true;
}
}
// Check if the request is running now
for (i = 0; i < ongoingList.length; i++) {
const req = todoList[i];
if (req.id === id) {
// found this request: running now
req.aborter();
reqFinish(id);
checkXHR();
}
}
// Oh no, this request is already finished...
return false;
}
}
// Remove a certain request from ongoingList
function reqFinish(id) {
let i;
for (i = 0; i < ongoingList.length; i++) {
const req = ongoingList[i];
if (req.id === id) {
ongoingList = delItem(ongoingList, i);
return true;
}
}
return false;
}
}
}
// Get a url argument from lacation.href
// also recieve a function to deal the matched string
// returns defaultValue if name not found
// Args: {url=location.href, name, dealFunc=((a)=>{return a;}), defaultValue=null} or 'name'
function getUrlArgv(details) {
typeof(details) === 'string' && (details = {
name: details
});
typeof(details) === 'undefined' && (details = {});
if (!details.name) {
return null;
};
const url = details.url ? details.url : location.href;
const name = details.name ? details.name : '';
const dealFunc = details.dealFunc ? details.dealFunc : ((a) => {
return a;
});
const defaultValue = details.defaultValue ? details.defaultValue : null;
const matcher = new RegExp('[\\?&]' + name + '=([^&#]+)');
const result = url.match(matcher);
const argv = result ? dealFunc(result[1]) : defaultValue;
return argv;
}
// Append a style text to document(<head>) with a <style> element
function addStyle(css, id) {
const style = document.createElement("style");
id && (style.id = id);
style.textContent = css;
for (const elm of document.querySelectorAll('#' + id)) {
elm.parentElement && elm.parentElement.removeChild(elm);
}
document.head.appendChild(style);
}
// Save dataURL to file
function saveFile(dataURL, filename) {
const a = document.createElement('a');
a.href = dataURL;
a.download = filename;
a.click();
}
// File download function
// details looks like the detail of GM_xmlhttpRequest
// onload function will be called after file saved to disk
function downloadFile(details) {
if (!details.url || !details.name) {
return false;
};
// Configure request object
const requestObj = {
url: details.url,
responseType: 'blob',
onload: function(e) {
// Save file
saveFile(URL.createObjectURL(e.response), details.name);
// onload callback
details.onload ? details.onload(e) : function() {};
}
}
if (details.onloadstart) {
requestObj.onloadstart = details.onloadstart;
};
if (details.onprogress) {
requestObj.onprogress = details.onprogress;
};
if (details.onerror) {
requestObj.onerror = details.onerror;
};
if (details.onabort) {
requestObj.onabort = details.onabort;
};
if (details.onreadystatechange) {
requestObj.onreadystatechange = details.onreadystatechange;
};
if (details.ontimeout) {
requestObj.ontimeout = details.ontimeout;
};
// Send request
GM_xmlhttpRequest(requestObj);
}
// get '/' splited API array from a url
function getAPI(url = location.href) {
return url.replace(/https?:\/\/(.*?\.){1,2}.*?\//, '').replace(/\?.*/, '').match(/[^\/]+?(?=(\/|$))/g);
}
// get host part from a url(includes '^https://', '/$')
function getHost(url = location.href) {
const match = location.href.match(/https?:\/\/[^\/]+\//);
return match ? match[0] : match;
}
function AsyncManager() {
const AM = this;
// Ongoing xhr count
this.taskCount = 0;
// Whether generate finish events
let finishEvent = false;
Object.defineProperty(this, 'finishEvent', {
configurable: true,
enumerable: true,
get: () => (finishEvent),
set: (b) => {
finishEvent = b;
b && AM.taskCount === 0 && AM.onfinish && AM.onfinish();
}
});
// Add one task
this.add = () => (++AM.taskCount);
// Finish one task
this.finish = () => ((--AM.taskCount === 0 && AM.finishEvent && AM.onfinish && AM.onfinish(), AM.taskCount));
}
// Polyfill String.prototype.replaceAll
// replaceValue does NOT support regexp match groups($1, $2, etc.)
function polyfill_replaceAll() {
String.prototype.replaceAll = String.prototype.replaceAll ? String.prototype.replaceAll : PF_replaceAll;
function PF_replaceAll(searchValue, replaceValue) {
const str = String(this);
if (searchValue instanceof RegExp) {
const global = RegExp(searchValue, 'g');
if (/\$/.test(replaceValue)) {
console.error('Error: Polyfilled String.protopype.replaceAll does support regexp groups');
};
return str.replace(global, replaceValue);
} else {
return str.split(searchValue).join(replaceValue);
}
}
}
function randint(min, max) {
return Math.floor(Math.random() * (max - min + 1)) + min;
}
// Del a item from an array using its index. Returns the array but can NOT modify the original array directly!!
function delItem(arr, delIndex) {
arr = arr.slice(0, delIndex).concat(arr.slice(delIndex + 1));
return arr;
}
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