Any new entries that you add to your list will be added to your Plan To Watch/Read list.
// ==UserScript==
// @name Add new entries to PTW/PTR
// @namespace ChangeAddBehavior
// @version 13
// @description Any new entries that you add to your list will be added to your Plan To Watch/Read list.
// @author hacker09
// @match https://myanimelist.net/*/season*
// @match https://myanimelist.net/anime.php?q=*
// @match https://myanimelist.net/watch/episode*
// @match https://myanimelist.net/watch/promotion*
// @include /^https:\/\/myanimelist\.net\/(anime|manga)(\/)(genre|producer|magazine)(\/)([\d]+)(\/).*/
// @include /^https:\/\/myanimelist\.net\/(anime|manga|stacks)(id=)?(\.php\?id=)?(\/?\d+)?\/?(?!.*\/).*(\?q=.*&cat=anime|manga)?$/
// @icon https://t3.gstatic.com/faviconV2?client=SOCIAL&type=FAVICON&fallback_opts=TYPE,SIZE,URL&url=http://myanimelist.net&size=64
// @grant GM_registerMenuCommand
// @run-at document-end
// ==/UserScript==
setTimeout((async function() {
'use strict';
if (document.querySelector("#myinfo_status.btn-user-status-add-list.js-form-user-status.js-form-user-status-btn.myinfo_addtolist") !== null) { //If the entry is not on the user list
document.querySelector("#myinfo_status.btn-user-status-add-list.js-form-user-status.js-form-user-status-btn.myinfo_addtolist").href = 'javascript:void(0);'
document.querySelector("#myinfo_status.btn-user-status-add-list.js-form-user-status.js-form-user-status-btn.myinfo_addtolist").dataset.value = 6; //Add it as PTW
document.querySelector("#myinfo_status.btn-user-status-add-list.js-form-user-status.js-form-user-status-btn.myinfo_addtolist").onclick = function() //When the Add button is clicked
{ //Starts the onclick function
setTimeout(function() { //Wait the entry be added to the user list
document.querySelector("#myinfo_status").value = '6'; //Set the entry as plan to watch, in a way that the user can see
document.querySelector("#myinfo_status").dataset.class = 'plantowatch'; //Change the selection box to grey
}, 900); //Finishes the settimout function
}; //Finishes the onclick function
} //Finishes the if condition
if (document.querySelector('a.Lightbox_AddEdit[class*="button_add"]') !== null) { //If there's an entry that is not on the user list
var cssdefault = 'margin-left: 5px;'; //Creates a new global variable
var cssmovein = 'margin-left: 5px; background-color: lightcyan;'; //Creates a new global variable
var cssout = 'margin-left: 5px; background-color: unset'; //Creates a new global variable
GM_registerMenuCommand("Add All Entries", function() { //Creates a new function
var UserInput = prompt('1 Watching\n2 Completed\n3 On-Hold\n4 Dropped\n5 PTW\n*Write only your choice number and click OK'); //Gets the user input
switch (UserInput) { //Detect the user choice
case '1': //If the user choose option 1
UserInput = '1'; //Change the variable value
break; //Stop executing the switch statement
case '2': //If the user choose option 2
UserInput = '2'; //Change the variable value
break; //Stop executing the switch statement
case '3': //If the user choose option 3
UserInput = '3'; //Change the variable value
break; //Stop executing the switch statement
case '4': //If the user choose option 4
UserInput = '4'; //Change the variable value
break; //Stop executing the switch statement
case '5': //If the user choose option 5
UserInput = '6'; //Change the variable value
break; //Stop executing the switch statement
} //Ends the switch statement
var Counter = 0; //Create a new counter variable
document.querySelectorAll('a.Lightbox_AddEdit[class*="button_add"]').forEach(async function(el) { //ForEach MAL entry link
const parameters = el.href.match('/manga/') !== null ? ['manga', 'num_read_volumes\":0,\"num_read_chapters'] : ['anime', 'num_watched_episodes']; //Creates an array having the anime/manga fetch parameters
fetch(`https://myanimelist.net/ownlist/${parameters[0]}/add.json`, { //Fetch
"body": `{\"${parameters[0]}_id\":${el.href.match(/[\d]+/)[0]},\"status\":${UserInput},\"score\":0,\"${parameters[1]}\":0,\"csrf_token\":\"${document.head.querySelector("[name='csrf_token']").content}\"}`,
"method": "POST"
}) //Finishes the Fetch
.then(response => { //After the fetch finished
Counter += 1; //Increase the counter by 1
if (Counter === document.querySelectorAll('a.Lightbox_AddEdit[class*="button_add"]').length) //If the Counter is equal to the amount of fetched links
{ //Starts the if condition
location.reload(); //Reloads the page after adding is completed
} //Finishes the if condition
}); //Finishes the then statement
}); //Finishes the ForEach loop
}); //Adds an option to the menu and finishes the function
if (location.href.match(/producer|stacks/) !== null && document.querySelector(".tile.on") !== null) //If the user is on a producer page and if the 1st view mode is enabled
{ //Starts the if condition
cssdefault = 'font-size: smaller; display: block; margin-left: -45px; top: -35px; color: white; background-color: rgba(50,50,50,.95);'; //Change the css
cssmovein = 'font-size: smaller; display: block; margin-left: -45px; top: -35px; color: black; background-color: #fff;'; //Changes the css
cssout = cssdefault; //Changes the css
} //Finishes the if condition
document.querySelectorAll('a.Lightbox_AddEdit[class*="button_add"]').forEach(async function(el, i) { //For each entry that is not on the user list
if (location.href.match(/episode|promotion/) !== null) //If the user is on the episodes page
{ //Starts the if condition
cssdefault += 'float: right!important;'; //Change the css
cssmovein += 'float: right!important;'; //Changes the css
cssout = cssdefault; //Changes the css
el.parentElement.insertAdjacentHTML('beforeEnd', `<a id="QAdd${i}" style="${cssdefault}" href="javascript:void(0);">Quick Add</a>`); //Add a quick add button
} //Finishes the if condition
else //If the user is not on the episodes page
{ //Starts the else condition
el.parentElement.insertAdjacentHTML('beforeEnd', `<a id="QAdd${i}" style="${cssdefault}" href="javascript:void(0);">Quick Add</a>`); //Add a quick add button
} //Finishes else if condition
document.querySelector("#QAdd" + i).onclick = function() { //When the quick add button is clicked
const parameters = el.href.match('/manga/') !== null ? ['manga', 'num_read_volumes\":0,\"num_read_chapters'] : ['anime', 'num_watched_episodes']; //Creates an array having the anime/manga fetch parameters
fetch(`https://myanimelist.net/ownlist/${parameters[0]}/add.json`, { //Fetch
"body": `{\"${parameters[0]}_id\":${el.href.match(/[\d]+/)[0]},\"status\":6,\"score\":0,\"${parameters[1]}\":0,\"csrf_token\":\"${document.head.querySelector("[name='csrf_token']").content}\"}`,
"method": "POST"
}); //Finishes fetching
el.innerText = 'PLAN'; //Set the entry as plan, in a way that the user can see
el.className = location.href.match(/episode|promotion/) === null ? 'Lightbox_AddEdit button_edit ga-click btn-anime-watch-status js-anime-watch-status button plantowatch' : 'Lightbox_AddEdit button_edit ga-click fl-r ml4 plantowatch'; //Change the selection box to grey
}; //Finishes the onlick function
document.querySelector("#QAdd" + i).onmousemove = function() { //Set the css for the button when the mouse is hovering over the button
document.querySelector("#QAdd" + i).style = cssmovein; //Change the element color
}; //Finishes the css for the button when the mouse is hovering over the button
document.querySelector("#QAdd" + i).onmouseout = function() {
document.querySelector("#QAdd" + i).style = cssout; //Set the css for the button when the mouse is not hovering the button
}; //Set the css for the button when the mouse is leaving the button
}); //Finishes the foreach loop
} //Finishes the if condition
}), 0)();