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Common function library for Mangadex. Should be required by other userscripts.
当前为
此脚本不应直接安装。它是供其他脚本使用的外部库，要使用该库请加入元指令 // @require https://update.greasyfork.icu/scripts/372223/631489/Mangadex%20Common.js
// ==UserScript==
// @name Mangadex Common
// @version 0.0.2
// @description Common function library for Mangadex. Should be required by other userscripts.
// ==/UserScript==
"use strict";
function dbg(x) {
//unsafeWindow used soly for debugging in firefox via Web Console.
if (typeof unsafeWindow === 'object') {
unsafeWindow.console.log(x);
}
else {
console.log(x);
}
}
function htmlToElement(html) {
var template = document.createElement('template');
html = html.trim(); // Never return a text node of whitespace as the result
template.innerHTML = html;
return template.content.firstChild;
}
function fallbackCopyTextToClipboard(text) {
var textArea = document.createElement("textarea");
textArea.style.position="fixed";
textArea.style.top="50%";
textArea.style.left="50%";
textArea.style.marginTop="-10px";
textArea.style.marginLeft="-10px";
textArea.style.width="20px";
textArea.style.height="20px";
textArea.style.opacity="0";
textArea.value = text;
document.body.appendChild(textArea);
textArea.focus();
textArea.select();
try {
var successful = document.execCommand('copy');
var msg = successful ? 'successful' : 'unsuccessful';
console.log('Fallback: Copying text command was ' + msg);
} catch (err) {
console.error('Fallback: Oops, unable to copy', err);
}
document.body.removeChild(textArea);
}
function copyTextToClipboard(text) {
// First try to copy using the 2 GM methods..
if (typeof GM === "object" && typeof GM.setClipboard === 'function') {
GM.setClipboard(text);
}
else if (typeof GM_setClipboard === 'function') {
GM_setClipboard(text);
}
// Programmer failed to grant setClipboard permissions.
// Attempt to use browser supported methods.
else if (navigator && navigator.clipboard) {
navigator.clipboard.writeText(text).then(function() {
dbg('Async: Copying to clipboard was successful!');
}, function(err) {
dbg('Async: Could not copy text: ', err);
});
}
else {
fallbackCopyTextToClipboard(text);
}
}
/**************************************************
* XPath
*/
function getSnapshotByXpath(path,node=document) {
return document.evaluate( path.toString() , node, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
}
function getItterByXpath(path,node=document) {
return document.evaluate( path.toString(), node, null, XPathResult.UNORDERED_NODE_ITERATOR_TYPE, null);
}
function getOrderedItterByXpath(path,node=document) {
return document.evaluate( path.toString(), node, null, XPathResult.ORDERED_NODE_ITERATOR_TYPE, null);
}
function getElementByXpath(path,node=document) {
return document.evaluate( path.toString(), node, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
}
// NOTE: I do not promot the use of this xpath builder. It is used soly to make ways I commonly use xpaths easier.
// syntax will change. Do NOT depend on this.
// TODO: small AST?
function XPath(xpath_str="") {
let xp = this;
if (!( xp instanceof XPath) ) {
return new XPath(xpath_str);
}
xp.xpath=xpath_str;
function toStr(o) {
if (o instanceof XPath) {
return o.toString();
}
else {
return o;
}
}
xp.new=function(xpath_str) { return new XPath(xpath_str); };
xp.clone=function() { return new XPath(xp.xpath); };
xp.contains = function(attr,text=throwMissingParam('XPath().contains(attr,text)','"@class","some-class"')) {
xp.xpath += `contains(concat(' ', normalize-space(${attr}), ' '), ' ${text} ')`;
return xp;
};
xp.with = function(selector) {
xp.xpath += `[${toStr(selector)}]`;
return xp;
};
xp.append = function(text) {
xp.xpath += text;
return xp;
};
xp.and = function(o='') {
xp.xpath += " and " + toStr(o);
return xp;
}
xp.or = function(o='') {
xp.xpath += " or " + toStr(o);
return xp;
}
xp.toString = function() {
return xp.xpath;
};
xp.getElement = function(node=document) {
return getElementByXpath(xp, node);
};
xp.getSnapshot = function(node=document) {
return getSnapshotByXpath(xp, node);
};
xp.getItter = function(node=document) {
return getItterByXpath(xp, node);
};
xp.getOrderedItter = function(node=document) {
return getOrderedItterByXpath(xp, node);
};
xp.forEachElement = (fn,node) => {
for(let [i,item] = [xp.getItter()]; (()=>{item=i.iterateNext(); return item;})();) {
fn(item);
};
}
xp.forEachOrderedElement = (fn,node) => {
for(let [i,item] = [xp.getOrderedItter()]; (()=>{item=i.iterateNext(); return item;})();) {
fn(item);
};
}
return xp;
}
function throwMissingParam(name,param) {
throw new Error(`Function <${name}> is missing required parameter: <${param}>`);
}
// Checks the page for {xpath} every {delay} milliseconds up to {tries} times. Runs {callback} once found.
// Used to wait for required elements to load before running functions.
// xpath: A String or XPath instance
// callback: Function to run once an xpath match is found
function checkLoop({
xpath = throwMissingParam('checkLoop','xpath="String"'),
callback=throwMissingParam('checkLoop','callback=fn()'),
onError = () => {},
tries=50,delay=100},cnt=tries) {
dbg(`Checking for xpath <${xpath}>`);
if (getElementByXpath(xpath)) {
callback();
}
else if (cnt > 0) {
setTimeout(() => { checkLoop(arguments[0],cnt - 1); },delay);
}
else {
dbg(`Failed to find xpath <${xpath}>`);
onError();
}
}
// Gets all values for provided keys via GM_getValue, defaulting to the provided default values.
// keys = {SomeGM_Key: SomeDefaultValue, AnotherGM_Key: AnotherDefaultValue}
// fn: function toRunAfterAllGM_getValues_prommisesHaveFinished({
// SomeGM_Key: SomeValue,
// AnotherGM_Key: AnotherValue
//})
function getUserValues(keys,fn) {
let values={};
let itemsLeft=Object.keys(keys).length;
Object.entries(keys).forEach( ([key,defaultValue]) => {
dbg("in loop");
let jsonDefault = JSON.stringify(defaultValue);
if (typeof GM === "object" && typeof GM.getValue === 'function') {
GM.getValue(key,jsonDefault).then((value) => {
values[key] = JSON.parse(value);
itemsLeft--;
if (itemsLeft === 0 ) {
fn(values);
}
});
}
else if (typeof GM_getValue === 'function') {
values[key] = JSON.parse(GM_getValue(key,jsonDefault));
itemsLeft--;
if (itemsLeft === 0 ) {
fn(values);
}
}
else {
dbg("To use 'getUserValues' you must grant either GM.getValue or GM_getValue.");
}
});
}
function setUserValues(keys,fn=()=>{return true;}) {
let values={};
let itemsLeft=Object.keys(keys).length;
Object.entries(keys).forEach( ([key,newValue]) => {
if (typeof GM === "object" && typeof GM.setValue === 'function') {
GM.setValue(key,JSON.stringify(newValue)).then(() => {
itemsLeft--;
if (itemsLeft === 0 ) {
fn();
}
});
}
else if (typeof GM_setValue === 'function') {
GM_setValue(key,JSON.stringify(newValue));
itemsLeft--;
if (itemsLeft === 0 ) {
fn();
}
}
else {
dbg("To use 'setUserValues' you must grant either GM.setValue or GM_setValue.");
}
});
}
const keycodes={
backspace:8, tab:9, enter:13,
shift:16, ctrl:17, alt:18,
pause_break:19, capslock:20, escape:27,
space:32, pageup:33, pagedown:34,
end:35, home:36, leftarrow:37,
uparrow:38, rightarrow:39, downarrow:40,
insert:45, delete:46,
0:48, 1:49, 2:50, 3:51,
4:52, 5:53, 6:54, 7:55,
8:56, 9:57, a:65, b:66,
c:67, d:68, e:69, f:70,
g:71, h:72, i:73, j:74,
k:75, l:76, m:77, n:78,
o:79, p:80, q:81, r:82,
s:83, t:84, u:85, v:86,
w:87, x:88, y:89, z:90,
multiply: 106, add: 107, subtract: 109,
decimalpoint: 110, divide: 111,
f1: 112, f2: 113, f3: 114,
f4: 115, f5: 116, f6: 117,
f7: 118, f8: 119, f9: 120,
f10: 121, f11: 122, f12: 123,
numlock: 144, scrolllock: 145,
semicolon: 186, equalsign: 187,
comma: 188, dash: 189, period: 190,
forwardslash: 191, graveaccent: 192,
openbracket: 219, backslash: 220,
closebraket: 221, singlequote: 222
};
function createToolTip({title,text}) {
let tooltip_elm = htmlToElement(`<div>${title}<br><span>${text}</span></div>`);
let tooltip_text = tooltip_elm.children[1];
tooltip_elm.style.display="none";
tooltip_elm.style.backgroundColor="rgba(15,15,15,0.9)";
tooltip_elm.style.borderRadius="15px";
tooltip_elm.style.color="rgb(215,215,215)";
tooltip_elm.style.left="0%";
tooltip_elm.style.position="absolute";
tooltip_elm.style.zIndex=10;
tooltip_elm.style.textAlign="center";
document.body.appendChild(tooltip_elm);
return {
tooltip:tooltip_elm,
text_container:tooltip_text
};
}