Upgrades AliExpress with an advanced search UI for filtering products by keywords, phrases, and logical operators.
// ==UserScript==
// @name AliExpress Advanced Search UI
// @name:lt AliExpress išplėstinės paieškos vartotojo sąsaja
// @namespace http://tampermonkey.net/
// @version 1.0
// @description Upgrades AliExpress with an advanced search UI for filtering products by keywords, phrases, and logical operators.
// @description:lt Praplečia AliExpress su išplėstine paieškos vartotojo sąsaja, skirta filtruoti produktus pagal raktinius žodžius, frazes ir loginius operatorius.
// @author ABC
// @license MIT
// @match *://www.aliexpress.com/w/wholesale*
// @grant GM_addStyle
// ==/UserScript==
(function() {
'use strict';
const SCRIPT_ID = 'ali-advanced-filter';
const CONTAINER_ID = `${SCRIPT_ID}-container`;
const FILTER_INPUT_ID = `${SCRIPT_ID}-input`;
const CLEAR_BTN_ID = `${SCRIPT_ID}-clear-btn`;
const TOGGLE_ID = `${SCRIPT_ID}-toggle`;
const HELP_ID = `${SCRIPT_ID}-help`;
const TOOLTIP_ID = `${SCRIPT_ID}-tooltip`;
function addStyles() {
GM_addStyle(`
#_global_header_23_ { min-height: 100px !important; }
.pc-header--search--3hnHLKw { position: relative; } /* Anchor for our filter bar */
#${CONTAINER_ID} {
position: absolute;
top: 51px; /* Position it directly below the original search bar */
left: 0;
width: 100%;
display: flex;
align-items: center;
z-index: 999;
}
#${FILTER_INPUT_ID} {
flex-grow: 1;
height: 34px;
border: 1px solid #ccc;
border-radius: 17px;
padding: 0 85px 0 15px; /* Make space for all buttons */
font-size: 14px;
color: #000;
}
#${CLEAR_BTN_ID} {
position: absolute;
right: 75px; /* Adjust position relative to the end */
top: 50%;
transform: translateY(-50%);
cursor: pointer;
font-size: 24px;
color: #999;
display: none;
z-index: 10;
}
#${CLEAR_BTN_ID}:hover { color: #333; }
.ali-filter-switch {
position: absolute;
right: 35px; /* Position next to clear button */
top: 50%;
transform: translateY(-50%);
width: 40px;
height: 22px;
}
.ali-filter-switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: #ccc; transition: .4s; border-radius: 22px; }
.slider:before { position: absolute; content: ""; height: 18px; width: 18px; left: 2px; bottom: 2px; background-color: white; transition: .4s; border-radius: 50%; }
input:checked + .slider { background-color: #2196F3; }
input:checked + .slider:before { transform: translateX(18px); }
#${HELP_ID} {
position: absolute;
right: 5px; /* Position at the very end */
top: 50%;
transform: translateY(-50%);
width: 20px; height: 20px; border-radius: 50%; background-color: #f0f0f0; color: #666;
display: flex; align-items: center; justify-content: center; font-weight: bold; cursor: pointer;
}
#${TOOLTIP_ID} {
display: none; position: absolute; top: 34px; right: 0; width: 300px;
background: #FFFFE0; color: #000; border: 1px solid #ccc; border-radius: 6px;
padding: 12px; box-shadow: 0 4px 12px rgba(0,0,0,0.2); z-index: 99999 !important;
}
#${TOOLTIP_ID} ul { margin: 0; padding: 0 0 0 18px; }
#${TOOLTIP_ID} li { margin-bottom: 5px; }
#${HELP_ID}:hover + #${TOOLTIP_ID}, #${TOOLTIP_ID}:hover { display: block; }
.kt_x {
display: flex;
flex-direction: column;
flex-grow: 1;
}
.kt_ki {
white-space: normal !important;
text-overflow: clip !important;
height: auto !important;
display: -webkit-box;
-webkit-line-clamp: 5;
-webkit-box-orient: vertical;
overflow: hidden;
}
`);
}
function setupUI(anchorElement) {
if (document.getElementById(CONTAINER_ID)) return;
const filterContainer = document.createElement('div');
filterContainer.id = CONTAINER_ID;
filterContainer.innerHTML = ' \
<input type="text" id="' + FILTER_INPUT_ID + '" placeholder="Filter: (a OR b) AND c -d"> \
<span id="' + CLEAR_BTN_ID + '">×</span> \
<label class="ali-filter-switch"> \
<input type="checkbox" id="' + TOGGLE_ID + '"> \
<span class="slider round"></span> \
</label> \
<span id="' + HELP_ID + '">?</span> \
<div id="' + TOOLTIP_ID + '"> \
<strong>Advanced Filtering Rules:</strong> \
<ul> \
<li><b>Implicit AND:</b> <code>word1 word2</code></li> \
<li><b>Exact Phrase:</b> <code>"exact phrase"</code></li> \
<li><b>Exclude:</b> <code>-word</code> or <code>-"phrase"</code></li> \
<li><b>OR Logic:</b> <code>word1 OR word2</code></li> \
<li><b>Grouping:</b> <code>(word1 OR word2) AND word3</code></li> \
</ul> \
</div> \
';
anchorElement.appendChild(filterContainer);
}
function parseQueryToRPN(query) {
if (!query) return [];
// 1. Tokenize the query string more robustly
const tokens = query.match(/-?"[^"]+"|\bAND\b|\bOR\b|[\w-]+|[()]/g) || [];
// 2. Insert implicit AND operators
const processedTokens = [];
for (let i = 0; i < tokens.length; i++) {
processedTokens.push(tokens[i]);
const current = tokens[i].toUpperCase();
const next = (tokens[i + 1] || '').toUpperCase();
const isCurrentTerm = current !== '(' && current !== 'AND' && current !== 'OR';
const isNextTerm = next && next !== ')' && next !== 'AND' && next !== 'OR';
if (i < tokens.length - 1 && isCurrentTerm && isNextTerm) {
processedTokens.push('AND');
}
}
// 3. Shunting-yard algorithm
const precedence = { 'OR': 1, 'AND': 2 };
const output = [];
const operators = [];
for (const token of processedTokens) {
const upperToken = token.toUpperCase();
if (precedence[upperToken]) {
while (
operators.length &&
operators[operators.length - 1] !== '(' &&
precedence[operators[operators.length - 1]] >= precedence[upperToken]
) {
output.push(operators.pop());
}
operators.push(upperToken);
} else if (token === '(') {
operators.push(token);
} else if (token === ')') {
while (operators.length && operators[operators.length - 1] !== '(') {
output.push(operators.pop());
}
operators.pop(); // Pop the '('
} else {
output.push(token); // This is a term
}
}
return output.concat(operators.reverse());
}
function evaluateRPN(rpn, title) {
if (!rpn || rpn.length === 0) return true;
const stack = [];
for (const token of rpn) {
if (token === 'AND' || token === 'OR') {
if (stack.length < 2) return false; // Invalid expression
const b = stack.pop();
const a = stack.pop();
stack.push(token === 'AND' ? (a && b) : (a || b));
} else {
let term = token.toLowerCase();
const isNegative = term.startsWith('-');
if (isNegative) term = term.substring(1);
const isPhrase = term.startsWith('"') && term.endsWith('"');
if (isPhrase) term = term.slice(1, -1);
// If the term is empty after all stripping, treat as a neutral match.
if (term === '') {
stack.push(true);
continue;
}
const match = title.includes(term);
stack.push(isNegative ? !match : match);
}
}
return stack.length === 1 ? stack.pop() : false; // Should be a single value left
}
function runFilter() {
const toggle = document.getElementById(TOGGLE_ID);
const input = document.getElementById(FILTER_INPUT_ID);
if (!toggle || !input) return;
const isEnabled = toggle.checked;
const query = input.value;
const productElements = document.querySelectorAll('div[data-tticheck="true"]');
if (!isEnabled) {
productElements.forEach(p => { p.style.display = 'block'; });
return;
}
const rpn = parseQueryToRPN(query);
productElements.forEach(productEl => {
const titleEl = productEl.querySelector('h3');
let title = '';
if (titleEl) {
title = titleEl.textContent.toLowerCase();
} else {
const imgEl = productEl.querySelector('img.product-img');
if (imgEl) {
title = imgEl.alt.toLowerCase();
}
}
if (title) {
try {
const shouldShow = query.trim() ? evaluateRPN(rpn.slice(), title) : true;
productEl.style.display = shouldShow ? 'block' : 'none';
} catch (e) {
console.error("Filtering error:", e);
productEl.style.display = 'block'; // Failsafe
}
} else {
productEl.style.display = 'block'; // Failsafe if no title
}
});
}
function updateUI() {
const input = document.getElementById(FILTER_INPUT_ID);
const clear = document.getElementById(CLEAR_BTN_ID);
if (!input || !clear) return;
const hasText = input.value.length > 0;
clear.style.display = hasText ? 'block' : 'none';
input.style.backgroundColor = hasText ? 'lightyellow' : 'white';
}
function main() {
const searchContainer = document.querySelector('.pc-header--search--3hnHLKw');
if (!searchContainer) {
console.error("AliExpress Filter: Search container not found.");
return;
}
addStyles();
setupUI(searchContainer);
const filterInput = document.getElementById(FILTER_INPUT_ID);
const clearBtn = document.getElementById(CLEAR_BTN_ID);
const toggleCheckbox = document.getElementById(TOGGLE_ID);
filterInput.value = sessionStorage.getItem('ali-filter-query') || '';
toggleCheckbox.checked = (sessionStorage.getItem('ali-filter-enabled') || 'true') === 'true';
updateUI();
filterInput.addEventListener('input', () => {
sessionStorage.setItem('ali-filter-query', filterInput.value);
updateUI();
runFilter();
});
clearBtn.addEventListener('click', () => {
filterInput.value = '';
sessionStorage.removeItem('ali-filter-query');
updateUI();
runFilter();
});
toggleCheckbox.addEventListener('change', () => {
sessionStorage.setItem('ali-filter-enabled', toggleCheckbox.checked);
runFilter();
});
const observer = new MutationObserver(runFilter);
const targetNode = document.getElementById('root');
if (targetNode) {
setTimeout(runFilter, 1500);
observer.observe(targetNode, { childList: true, subtree: true });
}
}
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', main);
} else {
main();
}
})();