Apply default sort to subs listing (feature missing in SHreddit)
// ==UserScript==
// @name Reddit - Subs - default sort
// @namespace https://github.com/Procyon-b
// @version 0.5.1
// @description Apply default sort to subs listing (feature missing in SHreddit)
// @author Achernar
// @match https://www.reddit.com/*
// @match https://sh.reddit.com/*
// @run-at document-start
// @grant none
// ==/UserScript==
(function() {
"use strict";
var sort={};
const RE=/^(?:https:\/\/(?:sh|www)\.reddit\.com)?(\/(?:r\/[^\/]+\/)?)(?:(best|new|hot|top|rising)\/)?(?:\?.*)?$/;
const REval=/^(best|new|hot|top|rising)?$/;
var SR=[];
var done=false;
function init() {
if (done) return;
done=true;
document && document.body && chk();
newObs(document.body);
window.addEventListener('focus', function(){
if (load()) {
chk(null, true);
updLeftNav();
}
});
if (window == top) {
var e=document.createElement('div');
e.style='position: fixed; top: 0; left: 0; width: 15px; height: 15px; z-index: 9999;';
document.body.appendChild(e);
e.ondblclick=function(){
var p, s='';
do {
p=prompt(s+'Default sort\nChoose between: [empty] - hot - new - top - rising', sort.default);
if (p == null) break;
s='ERROR. Invalid value.\nTry again\n';
} while (!REval.test(p));
if (p != null) {
if (p) sort.default=p;
else delete sort.default;
store();
chk(null, true);
updLeftNav();
}
p=prompt('Auto-redirect to correct sort ?\nEither: [empty field] - true - force - ask', sort.redir);
if (p != null) {
if (p) sort.redir = p;
else delete sort.redir;
store();
}
};
}
}
function gen(re) {
var s=sort[re[1]] || '';
if (s) s+='/';
else if ((re[1] != '/') && sort.default) s=sort.default+'/';
return s;
}
function chk(r, force=false) {
var a=(r||document).getElementsByTagName("a");
if (r && (r.nodeName == 'A')) a=[r, ...a];
for (let i=0,e; e=a[i]; i++) {
if (!force && e._sortfixed) continue;
e._sortfixed=true;
if (e.hostname == 'www.reddit.com') {
let re;
if (re=RE.exec(e.pathname + (!e.pathname.endsWith('/') ? '/':'' ) )) {
if (e.closest('[slot="dropdown-items"], faceplate-dropdown-menu')) continue;
e.classList.add('_marked_');
let s=gen(re);
e.pathname=re[1]+s;
}
}
}
a=(r||document).querySelectorAll('pdp-back-button[subreddit-prefixed-name]');
for (let i=0,e; e=a[i]; i++) {
if (!force && e._sortfixed) continue;
e._sortfixed=true;
let re, v=e.attributes['subreddit-prefixed-name'].value;
if (re=RE.exec('/'+v+'/')) {
e.classList.add('_marked_');
let s=gen(re);
e.attributes['subreddit-prefixed-name'].value=(re[1]+s).replace(/^\/(.+)\/$/, "$1");
}
}
}
var AS=HTMLElement.prototype.attachShadow;
HTMLElement.prototype.attachShadow=function(m){/*[native */
var e=this;
let sr=AS.call(e,m);
if (e.tagName == 'REDDIT-RECENT-PAGES') {
SR.push(sr);
newObs(sr, cbRec);
e.SR=true;
}
else if (e.tagName.startsWith('LEFT-NAV-') || (e.tagName == 'SHREDDIT-SUBREDDIT-HEADER') || (e.tagName == 'MOD-NAV') ) {
SR.push(sr);
newObs(sr);
e.SR=true;
}
return sr;
}
function updLeftNav() {
for(let r, i=0; r=SR[i]; i++) {
for(let e, j=0; e=r.children[j]; j++) {
chk(e, true);
}
}
}
function ds(sub, s) {
let d= sub == '/' ? 'best' : (sort.default?'DEF':'');
return s == d ? '' : s;
}
function patchFetch() {
// XHR - Fetch
const _fetch=window.fetch;
window.fetch = async (...args) => {
let [resource, config ] = args;
let response = await _fetch(resource, config);
let re;
if ( re=RE.exec(resource) ) {
let s=ds(re[1], re[2]);
if (s != ds(re[1],sort[re[1]] || '') ) {
if ( (re[1] != '/') && sort.default && (s == sort.default) ) s='';
if (s) sort[re[1]] = s;
else delete sort[re[1]];
store();
chk(null, true);
updLeftNav();
}
}
return response;
};
}
function newObs(r, f=cb) {
var o=new MutationObserver(f), config = { attributes: false, childList: true, subtree: true};
o.observe(r, config);
return o;
}
function cb(mutL) {
for(let mut of mutL) {
if (mut.type == 'childList') {
for (let e,i=0; e=mut.addedNodes[i]; i++) {
if (e.nodeType == 1) chk(e);
}
}
}
}
function cbRec(mutL) {
for(let mut of mutL) {
if (mut.type == 'childList') {
for (let e,i=0; e=mut.addedNodes[i]; i++) {
if (e.nodeType == 1) {
let r=e.closest('details');
if (r) chk(r, true);
else chk(e);
}
}
}
}
}
function load() {
var o=sort.upd;
sort=JSON.parse(localStorage.getItem('_sort_') || '{}');
if (o != sort.upd) return true;
}
function store() {
sort.upd=Date.now();
localStorage.setItem('_sort_', JSON.stringify(sort) );
}
patchFetch();
load();
if (document.readyState != 'loading') init();
else {
document.addEventListener('DOMContentLoaded', init);
window.addEventListener('load', init);
}
var redir=sort.redir;
if (redir) {
let re;
if (re = RE.exec(location.pathname)) {
if ( !re[2] || (redir == 'force') ) {
let l=re[1]+gen(re);
if (l != location.pathname) {
if (redir == 'ask') {
if ( (window == top) && (window.document.visibilityState == 'visible') && confirm('Redirect to correct order ?\n'+location.href+'\n'+l) ) redir=true;
else redir=false;
}
if (redir) {
window.stop();
location.pathname=l;
}
}
}
}
}
})();