// ==UserScript==
// @name     HackerNews Post Hider (based on post Domains and Titles)
// @match https://news.ycombinator.com/
// @match https://news.ycombinator.com/?p=*
// @match https://news.ycombinator.com/front*
// @version  2.1
// @grant    none
// @namespace ahappyviking
// @license MIT
// @description Simply hides posts with specific user-specified domains or title keywords on HackerNews front page
// @icon https://www.kindpng.com/picc/m/61-613142_see-no-evil-monkey-icon-monkey-eyes-closed.png
// ==/UserScript==
let hiddenDomains = ["dailymail.co.uk", "cbsnews.com"]
let hiddenTitleKeywords = ["chatgpt", "gpt"] //These should stay lowercase...
function hncleaner_main() {
let numberOfBlocked = 0
//First blocking based on domains...
let posts = document.getElementsByClassName("athing")
for (let post of posts) {
let hasBeenHidden = false;
//Check the title first...
let titleHolder = post.querySelector(".titleline")
const title = titleHolder.firstChild.textContent.toLocaleLowerCase()
for (const word of hiddenTitleKeywords) {
if (!title.includes(word)) continue;
hidepost_hidePost(post)
numberOfBlocked++
hasBeenHidden = true
break
}
if (hasBeenHidden) continue
let link = post.querySelector(".sitestr")
if (link && hiddenDomains.includes(link.innerHTML)) {
hidepost_hidePost(post)
numberOfBlocked++
}
}
if (numberOfBlocked) {
hncleaner_addBlockCount(numberOfBlocked);
}
}
function hncleaner_createBlockNotice() {
//Actually decided to have this return null just to make things cleaner
const notice = document.createElement("div");
return notice
}
function hidepost_hidePost(owner) {
owner.nextElementSibling?.nextElementSibling?.remove() //Removing "spacer" element
owner.nextElementSibling?.remove() //Removing comments
owner.replaceWith(hncleaner_createBlockNotice()) //Removing title
}
function hncleaner_addBlockCount(blockCount) {
const text = document.createElement("p")
text.style.margin = "0 0 8 0"
text.style.userSelect = "none"
text.innerText = `Hidden posts: ${blockCount}`
text.style.color = "grey"
text.style.fontSize = "10px"
document.getElementById("pagespace")?.after(text)
}
hncleaner_main()