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this plugin will press "show more" button when it displayed by scrolling.
"use strict";
// ==UserScript==
// @name auto show more for YouTube
// @name:ja YouTubeの「もっと見る」ボタンを自動で押す
// @description this plugin will press "show more" button when it displayed by scrolling.
// @description:ja YouTube.comの「もっと見る」ボタンが、スクロールによって画面に表示された瞬間、自動で押されます。
// @namespace https://twitter.com/sititou70
// @license MIT
// @include /https*:\/\/www\.youtube\.com\/.*/
// @version 2.2.4
// @grant none
// ==/UserScript==
// settings
var scroll_event_interval = 200;
var adjust_scroll_px = 0;
var target_infos = [
{
name: 'comment reply',
selector: 'ytd-comment-thread-renderer > div > ytd-comment-replies-renderer > div > ytd-button-renderer',
click_times: 1,
},
{
name: 'more comment replies',
selector: 'ytd-comment-thread-renderer > div > ytd-comment-replies-renderer > div > div > div > yt-next-continuation > tp-yt-paper-button',
click_times: Infinity,
},
{
name: 'comment read more',
selector: 'ytd-comment-thread-renderer ytd-comment-renderer ytd-expander > tp-yt-paper-button',
click_times: 1,
},
{
name: 'video info',
selector: 'ytd-expander.ytd-video-secondary-info-renderer > tp-yt-paper-button',
click_times: 1,
},
];
// global variables
var button_caches = {};
var initButtonCaches = function () {
return target_infos.forEach(function (x) {
button_caches[x.name] = [];
});
};
initButtonCaches();
// utils
var user_agent = window.navigator.userAgent.toLowerCase();
var fireClickEvent = function (elem) {
if (user_agent.match(/(msie|MSIE)/) || user_agent.match(/(T|t)rident/)) {
elem.fireEvent('onclick');
}
else {
var event_1 = document.createEvent('MouseEvents');
event_1.initEvent('click', true, true);
elem.dispatchEvent(event_1);
}
};
// events
var scrollHandler = function () {
return target_infos.forEach(function (target_info) {
document.querySelectorAll(target_info.selector).forEach(function (elem) {
var button_cahce = button_caches[target_info.name].find(function (y) { return y.elem === elem; });
if (button_cahce === undefined) {
button_cahce = {
elem: elem,
click_times: 0,
};
button_caches[target_info.name].push(button_cahce);
}
var click_times_flg = button_cahce.click_times < target_info.click_times;
var button_position_flg = elem.getBoundingClientRect().y - window.innerHeight + adjust_scroll_px <
0;
if (click_times_flg && button_position_flg) {
fireClickEvent(elem);
button_cahce.click_times++;
// highlight clicked button for debugging
// (elem as any).style.border = '1px solid #f00';
}
});
});
};
var waiting_for_scroll_event_interval = false;
document.addEventListener('scroll', function () {
if (waiting_for_scroll_event_interval)
return;
waiting_for_scroll_event_interval = true;
setTimeout(function () {
waiting_for_scroll_event_interval = false;
}, scroll_event_interval);
scrollHandler();
});
document.addEventListener('click', function (e) {
//let target = e.target;
var event_target = e.target instanceof HTMLElement ? e.target : undefined;
if (event_target === undefined)
return;
var current_target = event_target;
while (current_target instanceof HTMLElement &&
current_target !== document.body) {
if (current_target.tagName === 'A') {
initButtonCaches();
return;
}
current_target = current_target.parentElement;
}
});