Inserts "Add Alias" buttons in Recording pages and auto-fills the Add Alias form.
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// ==UserScript==
// @name MusicBrainz: Easy-Add Recording Alias
// @namespace http://tampermonkey.net/
// @version 2025.12.02.3
// @description Inserts "Add Alias" buttons in Recording pages and auto-fills the Add Alias form.
// @author peepincreepin
// @match *://*.musicbrainz.org/recording/*
// @exclude *://*.musicbrainz.org/recording/*/aliases
// @grant GM_setClipboard
// @run-at document-end
// ==/UserScript==
(function() {
'use strict';
// --- CONFIGURATION ---
// The class of the table to target
const TABLE_CLASS = "tbl";
// The class of rows to exclude
const EXCLUDE_CLASS = "subh";
// Target Input ID on the destination page
const TARGET_INPUT_ID = "id-edit-alias.name";
// Wait 500ms after page load to ensure we overwrite MB scripts
const OVERWRITE_DELAY_MS = 500;
// --- MAIN LOGIC ---
const currentUrl = window.location.href;
// SCENARIO 1: We are on the "Add Alias" page (Destination)
if (currentUrl.includes("/add-alias")) {
handleAliasPage();
}
// SCENARIO 2: We are on the main Recording page (Source)
else {
handleRecordingPage();
}
// --- FUNCTIONS ---
function handleRecordingPage() {
const listTable = document.querySelector(`table.${TABLE_CLASS}`);
if (!listTable) {
console.log("MusicBrainz Alias Helper: No table found.");
return;
}
const rows = listTable.querySelectorAll("tr");
// We need to handle the header row separately to keep the table structure valid
// or the columns will misalign.
const headerRow = listTable.querySelector("thead tr");
if(headerRow) {
const th = document.createElement("th");
th.innerText = "Alias Tool";
headerRow.insertBefore(th, headerRow.firstChild);
}
rows.forEach(row => {
// Exclude rows with specific class (subh) or if it's a header row in tbody
if (row.classList.contains(EXCLUDE_CLASS) || row.closest('thead')) {
return;
}
// Create the button cell
const btnCell = document.createElement("td");
const btn = document.createElement("button");
btn.innerText = "Add Alias";
btn.style.fontSize = "11px";
btn.style.cursor = "pointer";
// Button Logic
btn.addEventListener("click", (e) => {
e.preventDefault();
// Get the existing cells (before we inserted our new one, indices might shift)
// We inserted our new cell at index 0, so the "second td" is now index 2.
// However, to be safe, let's query all tds and pick by current DOM order.
const cells = row.querySelectorAll("td");
// Note: Since we prepend a cell (btnCell), the original "second td"
// is now the 3rd cell (index 2), assuming the row started with at least 2 cells.
// If we grab content BEFORE appending, it's index 1.
// Let's grab it dynamically relative to the button to be robust.
// Logic: The button is in the first cell. The original 2nd cell is now the 3rd cell.
// But let's stick to the prompt's logic of the "second td" of the original row data.
// The safest way is to grab the cell at index 2 (0=button, 1=orig_1st, 2=orig_2nd).
let targetCell = cells[2];
// Fallback check if the table structure is simpler than expected
if (!targetCell) targetCell = cells[1];
if (targetCell) {
// 1. Capture label
let var_aliasname = targetCell.innerText.trim();
// 2. Add to clipboard
GM_setClipboard(var_aliasname);
// 3. Feedback (optional visual cue)
const originalText = btn.innerText;
btn.innerText = "Copied!";
setTimeout(() => btn.innerText = originalText, 1000);
// 4. Open new tab with data passed via URL Parameter
// We append ?auto_alias=VALUE to the URL
const baseUrl = window.location.href.split('?')[0]; // clean base URL
const targetUrl = `${baseUrl}/add-alias?auto_alias=${encodeURIComponent(var_aliasname)}`;
window.open(targetUrl, '_blank');
} else {
alert("Could not find the text in the second column.");
}
});
btnCell.appendChild(btn);
// Insert at the beginning of the row (Left side)
row.insertBefore(btnCell, row.firstChild);
});
}
function handleAliasPage() {
// Parse the URL parameters
const urlParams = new URLSearchParams(window.location.search);
const aliasName = urlParams.get('auto_alias');
if (aliasName) {
// We attach a listener to 'load'. This fires when all scripts, css, and images are done.
window.addEventListener('load', () => {
// We add an extra delay (setTimeout) to ensure the MusicBrainz script
// has finished its execution stack before we run.
setTimeout(() => {
const inputField = document.getElementById(TARGET_INPUT_ID);
if (inputField) {
// 1. Force the value
inputField.value = aliasName;
// 2. Trigger 'change' event in case other scripts are watching this input
inputField.dispatchEvent(new Event('change', { bubbles: true }));
// 3. Visual feedback so you know it worked
inputField.style.backgroundColor = "#e6fffa";
inputField.style.border = "1px solid #38b2ac";
inputField.focus();
}
}, OVERWRITE_DELAY_MS);
});
}
}
})();