revert-github-pr-title-truncation.user.js

// ==UserScript==
// @name         Revert GitHub PR Title Truncation
// @namespace    https://github.com/lionel-rowe/
// @version      0.2
// @description  Revert GitHub PR Title Truncation
// @author       https://github.com/lionel-rowe/
// @match        https://github.com/*/compare/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=github.com
// @grant        none
// ==/UserScript==

// https://github.com/orgs/community/discussions/12450

const $title = document.getElementsByName('pull_request[title]')[0]
const $body = document.getElementsByName('pull_request[body]')[0]

const ellipsis = '…'

if ($title?.value.endsWith(ellipsis) && $body?.value.startsWith(ellipsis)) {
    const [first, ...rest] = $body.value.split('\n')

    $title.value = $title.value.slice(0, -ellipsis.length) + $body.value.slice(ellipsis.length)

    $body.value = [...rest].join('\n').trimStart()
}