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Auto-expand posts in new reddit
// ==UserScript==
// @name Reddit auto-expand
// @namespace http://tampermonkey.net/
// @version 1.1
// @description Auto-expand posts in new reddit
// @author Blueshirt
// @match https://www.reddit.com/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=reddit.com
// @grant GM_log
// @run-at document-end
// ==/UserScript==
(function() {
'use strict';
var excluded_posts = [];
var auto_expand = true;
function onKeyup(evt) {
// Use https://keycode.info/ to get keys
// ` shortcut
if (evt.keyCode == 192) {
// expando();
auto_expand = !auto_expand;
if (auto_expand) {
window.alert("Auto-expand enabled.");
}
else {
window.alert("Auto-expand disabled.");
}
}
}
function mouseClicked(event) {
const elem = event.target;
if (elem.className.includes("icon-expand")) {
// add the post to the excluded list
const post_id = elem.parentElement.parentElement.parentElement.parentElement.parentElement.parentElement.id;
if (!excluded_posts.includes(post_id)) {
excluded_posts.push(post_id);
}
}
if (elem.className.includes("icon-collapse")) {
// add the post to the excluded list
const post_id = elem.parentElement.parentElement.parentElement.parentElement.parentElement.parentElement.id;
if (!excluded_posts.includes(post_id)) {
excluded_posts.push(post_id);
}
}
}
function getPostId(iconElement) {
let id = iconElement.id;
while(iconElement !== undefined && (id === undefined || id === "")) {
iconElement = iconElement.parentElement;
id = iconElement.id;
}
return id;
}
function autoExpand() {
if (auto_expand && !window.location.href.includes("/comments/")) {
let icons = document.getElementsByClassName("icon-expand");
for (const icon of icons) {
const postId = getPostId(icon);
if (!excluded_posts.includes(postId)) {
let button = icon.parentNode
button.click();
}
}
}
}
if (!window.location.href.includes("/comments/")) {
// listen to "`" to enable / disable auto_expand
document.addEventListener('keyup', onKeyup, true);
// listen to click to add to excluded list
document.addEventListener("click", mouseClicked);
// listen to page scroll to expand new content
const MutationObserver = window.MutationObserver || window.WebKitMutationObserver;
var observer = new MutationObserver(function(mutations, observer) {
autoExpand();
});
// TODO: probably tuning this can improve performances
observer.observe(document, {
subtree: true,
attributes: true
});
}
})();