Commonly used variables and functions
This script should not be not be installed directly. It is a library for other scripts to include with the meta directive // @require https://update.greasyfork.org/scripts/428386/943654/Variables%20and%20Functions.js
//jshint esversion: 6
//jshint asi: true
const url = new URL(location.href)
const page = (offset = 0) => url.pathname.split('/')[1 + offset]
const urlObj = url.searchParams
const domain = url.host
const setFname = str => {
console.log(str)
return str
}
const createBtn = (selector, count = 12) => {
$(selector).append(`<button id="open-links" data-count="${count}">OpenLinks (${count})</button>`)
}
const ensureDomLoaded = callback => {
if (['interactive', 'complete'].includes(document.readyState)) {
callback()
return
}
let triggered = false
document.addEventListener('DOMContentLoaded', () => {
if (!triggered) {
triggered = true
setTimeout(callback, 1)
}
})
}
const awaitElement = function (query, callback, time = null, err = null) {
ensureDomLoaded(() => {
let t = setInterval(() => {
const e = $(query)
if (e.length) {
callback(e)
clearInterval(t)
return
}
if (time !== null) {
setTimeout(() => {
clearInterval(t)
err(e)
return
}, time)
}
}, 10)
})
}
const awaitTitleChange = (value, callback) => {
let t = setInterval(() => {
e = document.title
if (e !== value) {
callback(e)
clearInterval(t)
}
}, 10)
}
const keyboardEvent = (callback, key = 'F19') => {
document.addEventListener('keydown', e => {
if (e.key.toLowerCase() === key.toLowerCase()) callback()
})
}
const onFocus = (callback, persistent = false) => {
if (persistent) {
$(window).on('focus', callback)
return
} else if (document.hasFocus()) {
callback()
return
}
$(window).one('focus', callback)
}
const onBlur = (callback, persistent = false) => {
if (persistent) {
$(window).on('blur', callback)
return
} else if (!document.hasFocus()) {
callback()
return
}
$(window).one('blur', callback)
}
const onBlur_closeWindow = (persistent = false) => onBlur(window.close, persistent)
const onFocus_setClipboard = (data, persistent = false) => onFocus(() => setClipboard(data), persistent)
const setClipboard = data => GM_setClipboard(data)
const defaultCase = () => console.log(domain)