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Mangadex Common

Common function library for Mangadex. Should be required by other userscripts.

بۇ قوليازمىنى بىۋاسىتە قاچىلاشقا بولمايدۇ. بۇ باشقا قوليازمىلارنىڭ ئىشلىتىشى ئۈچۈن تەمىنلەنگەن ئامبار بولۇپ، ئىشلىتىش ئۈچۈن مېتا كۆرسەتمىسىگە قىستۇرىدىغان كود: // @require https://update.greasyfork.org/scripts/372223/634899/Mangadex%20Common.js 

// ==UserScript==
// @name     Mangadex Common
// @version  0.0.6
// @description Common function library for Mangadex. Should be required by other userscripts.
// ==/UserScript==
/* eslint no-unused-vars: ["off"] */

'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) {
  const 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) {
  const 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 {
    const successful = document.execCommand('copy')
    const 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(() => {
      dbg('Async: Copying to clipboard was successful!')
    } ,(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 getOrderedSnapshotByXpath(path ,node = document) {
  return document.evaluate(path.toString() ,node ,null ,XPathResult.ORDERED_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
}

// 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 getUserValue(key ,defaultValue) {
  return new Promise((resolve ,reject) => {
    const jsonDefault = JSON.stringify(defaultValue)
    if (typeof GM === 'object' && typeof GM.getValue === 'function') {
      GM.getValue(key ,jsonDefault).then((value) => {
        resolve(JSON.parse(value))
      })
    }
    else if (typeof GM_getValue === 'function') {
      resolve(JSON.parse(GM_getValue(key ,jsonDefault)))
    }
    else {
      reject(new Error("To use 'getUserValue' you must grant either GM.getValue or GM_getValue."))
    }
  })
}
function getUserValues(keys) {
  const prommises = []
  Object.entries(keys).forEach(([key ,defaultValue]) => {
    prommises.push(
      getUserValue(key ,defaultValue).then((v) => {
        const obj = {}; obj[key] = v; return obj
      }) ,
    )
  })
  return Promise.all(prommises).then((itter) => {
    const new_obj = {}
    for (const obj of itter) {
      Object.assign(new_obj ,obj)
    }
    return new_obj
  })
}

function setUserValue(key ,value) {
  return new Promise((resolve ,reject) => {
    if (typeof GM === 'object' && typeof GM.setValue === 'function') {
      GM.setValue(key ,JSON.stringify(value)).then(resolve).catch(reject)
    }
    else if (typeof GM_setValue === 'function') {
      GM_setValue(key ,JSON.stringify(value))
      resolve()
    }
    else {
      reject(Error("To use 'setUserValue' you must grant either GM.setValue or GM_setValue."))
    }
  })
}
function setUserValues(objs) {
  const prommises = []
  Object.entries(objs).forEach(([key ,value]) => {
    prommises.push(setUserValue(key ,value))
  })
  return Promise.all(prommises)
}

function createToolTip({ title ,text }) {
  const tooltip_elm = htmlToElement(`<div>${title}<br><span>${text}</span></div>`)
  const 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
  }
}