Advanced filter modal for GitHub search with OR/AND/NOT logic and native look.
// ==UserScript==
// @name GitHub Advanced Search Builder
// @namespace https://github.com/quantavil/userscript
// @version 1.7
// @description Advanced filter modal for GitHub search with OR/AND/NOT logic and native look.
// @author quantavil
// @match https://github.com/*
// @license MIT
// @icon https://github.githubassets.com/favicons/favicon.svg
// @grant none
// ==/UserScript==
(function () {
'use strict';
// Config
const TRIGGER_ID = 'gh-adv-search-btn';
const MODAL_ID = 'gh-adv-search-modal';
// Icons
const FILTER_ICON = `<svg aria-hidden="true" height="16" viewBox="0 0 16 16" version="1.1" width="16" fill="currentColor"><path d="M.75 3h14.5a.75.75 0 0 1 0 1.5H.75a.75.75 0 0 1 0-1.5ZM3 7.75A.75.75 0 0 1 3.75 7h8.5a.75.75 0 0 1 0 1.5h-8.5A.75.75 0 0 1 3 7.75Zm3 4.75a.75.75 0 0 1 .75-.75h2.5a.75.75 0 0 1 0 1.5h-2.5a.75.75 0 0 1-.75-.75Z"></path></svg>`;
function createUI() {
if (document.getElementById(TRIGGER_ID)) return;
// Find the global search input container
const headerSearch = document.querySelector('.header-search-wrapper, .AppHeader-search');
if (!headerSearch) return;
// Create Trigger Button
const btn = document.createElement('button');
btn.id = TRIGGER_ID;
btn.className = 'btn btn-sm ml-2';
btn.style.display = 'inline-flex';
btn.style.alignItems = 'center';
btn.style.gap = '4px';
btn.innerHTML = `${FILTER_ICON} Filter`;
btn.title = "Advanced Search Builder (Ctrl+Shift+F)";
// Insert Button
if (headerSearch.parentNode) {
headerSearch.parentNode.insertBefore(btn, headerSearch.nextSibling);
}
// Create Modal (Hidden by default)
const modal = document.createElement('div');
modal.id = MODAL_ID;
modal.style.cssText = `
position: fixed;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
width: 95%;
max-width: 500px;
max-height: 90vh;
overflow-y: auto;
z-index: 9999;
background-color: var(--bgColor-default, #fff);
border: 1px solid var(--borderColor-default, #d0d7de);
border-radius: 6px;
box-shadow: var(--shadow-large, 0 8px 24px rgba(140,149,159,0.2));
display: none;
padding: 16px;
font-family: -apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans",Helvetica,Arial,sans-serif;
color: var(--fgColor-default, #24292f);
box-sizing: border-box;
`;
// Add responsive grid style
const style = document.createElement('style');
style.innerHTML = `
#${MODAL_ID} .responsive-grid {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 10px;
}
@media (max-width: 480px) {
#${MODAL_ID} .responsive-grid {
grid-template-columns: 1fr;
}
#${MODAL_ID} {
top: 10px;
transform: translateX(-50%);
}
}
`;
document.head.appendChild(style);
modal.innerHTML = `
<div style="display:flex; justify-content:space-between; align-items:center; margin-bottom:16px;">
<h3 style="margin:0; font-size:16px;">Advanced Search</h3>
<button id="${MODAL_ID}-close" class="btn-octicon" type="button">
<svg width="16" height="16" viewBox="0 0 16 16" fill="currentColor"><path d="M3.72 3.72a.75.75 0 0 1 1.06 0L8 6.94l3.22-3.22a.749.749 0 0 1 1.275.326.749.749 0 0 1-.215.734L9.06 8l3.22 3.22a.749.749 0 0 1-.326 1.275.749.749 0 0 1-.734-.215L8 9.06l-3.22 3.22a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042L6.94 8 3.72 4.78a.75.75 0 0 1 0-1.06Z"></path></svg>
</button>
</div>
<form id="${MODAL_ID}-form">
<div class="form-group" style="margin-bottom:12px;">
<label style="display:block; font-size:12px; font-weight:600; margin-bottom:4px;">Must contain ALL (AND)</label>
<input type="text" id="inp-and" class="form-control input-sm input-block" placeholder="rust async tokio" style="width:100%;">
</div>
<div class="form-group" style="margin-bottom:12px;">
<label style="display:block; font-size:12px; font-weight:600; margin-bottom:4px;">Must contain ONE OF (OR)</label>
<input type="text" id="inp-or" class="form-control input-sm input-block" placeholder="api, library, framework" style="width:100%;">
<p style="font-size:10px; color:var(--fgColor-muted); margin-top:4px;">Separators: space, comma, or colon.</p>
</div>
<div class="form-group" style="margin-bottom:12px;">
<label style="display:block; font-size:12px; font-weight:600; margin-bottom:4px; color:var(--fgColor-danger, #cf222e);">Exclude (NOT)</label>
<input type="text" id="inp-not" class="form-control input-sm input-block" placeholder="deprecated, archived" style="width:100%;">
</div>
<hr style="border:0; border-top:1px solid var(--borderColor-muted); margin: 12px 0;">
<div class="responsive-grid">
<div>
<label style="display:block; font-size:12px; font-weight:600;">Owner/User</label>
<input type="text" id="inp-user" class="form-control input-sm" style="width:100%;">
</div>
<div>
<label style="display:block; font-size:12px; font-weight:600;">Repository</label>
<input type="text" id="inp-repo" class="form-control input-sm" style="width:100%;">
</div>
<div>
<label style="display:block; font-size:12px; font-weight:600;">Language</label>
<input type="text" id="inp-lang" class="form-control input-sm" placeholder="python" style="width:100%;">
</div>
<div>
<label style="display:block; font-size:12px; font-weight:600;">Extension</label>
<input type="text" id="inp-ext" class="form-control input-sm" placeholder="md" style="width:100%;">
</div>
<div>
<label style="display:block; font-size:12px; font-weight:600;">Stars (>=)</label>
<input type="number" id="inp-stars" class="form-control input-sm" style="width:100%;">
</div>
<div>
<label style="display:block; font-size:12px; font-weight:600;">Forks (>=)</label>
<input type="number" id="inp-forks" class="form-control input-sm" style="width:100%;">
</div>
</div>
<div style="margin-top:12px;">
<label style="display:block; font-size:12px; font-weight:600;">In Path</label>
<input type="text" id="inp-path" class="form-control input-sm" placeholder="src/main" style="width:100%;">
</div>
<div style="margin-top:16px; text-align:right;">
<button type="submit" class="btn btn-primary btn-sm">Search</button>
</div>
</form>
`;
document.body.appendChild(modal);
// Events
btn.addEventListener('click', (e) => {
e.preventDefault();
modal.style.display = modal.style.display === 'block' ? 'none' : 'block';
document.getElementById('inp-and').focus();
});
document.getElementById(`${MODAL_ID}-close`).addEventListener('click', () => {
modal.style.display = 'none';
});
document.getElementById(`${MODAL_ID}-form`).addEventListener('submit', (e) => {
e.preventDefault();
executeSearch();
});
// Close on escape
document.addEventListener('keydown', (e) => {
if (e.key === 'Escape') modal.style.display = 'none';
if (e.ctrlKey && e.shiftKey && e.key === 'F') {
modal.style.display = 'block';
document.getElementById('inp-and').focus();
}
});
}
function executeSearch() {
let queryParts = [];
// Helper to split by space, comma, or semicolon
const parseList = (val) => val.split(/[\s,;]+/).filter(t => t.length > 0);
// 1. Handle AND (Default text)
const andVal = document.getElementById('inp-and').value.trim();
if (andVal) queryParts.push(andVal);
// 2. Handle OR (Complex Grouping)
const orVal = document.getElementById('inp-or').value.trim();
if (orVal) {
const terms = parseList(orVal);
if (terms.length > 1) {
queryParts.push(`(${terms.join(' OR ')})`);
} else if (terms.length === 1) {
queryParts.push(terms[0]);
}
}
// 3. Handle Exclude (NOT)
const notVal = document.getElementById('inp-not').value.trim();
if (notVal) {
const terms = parseList(notVal);
terms.forEach(t => queryParts.push(`-${t}`));
}
// 4. Metadata
const getVal = (id) => document.getElementById(id).value.trim();
const user = getVal('inp-user');
if (user) queryParts.push(`user:${user}`);
const repo = getVal('inp-repo');
if (repo) queryParts.push(`repo:${repo}`);
const lang = getVal('inp-lang');
if (lang) queryParts.push(`language:${lang}`);
const ext = getVal('inp-ext');
if (ext) queryParts.push(`extension:${ext}`);
const stars = getVal('inp-stars');
if (stars) queryParts.push(`stars:>=${stars}`);
const forks = getVal('inp-forks');
if (forks) queryParts.push(`forks:>=${forks}`);
const path = getVal('inp-path');
if (path) queryParts.push(`path:${path}`);
// Construct final URL
const finalQuery = encodeURIComponent(queryParts.join(' '));
window.location.href = `https://github.com/search?q=${finalQuery}&type=repositories`;
}
// Init and Observe for Turbo/PJAX
createUI();
const observer = new MutationObserver(() => {
if (!document.getElementById(TRIGGER_ID)) createUI();
});
observer.observe(document.body, { childList: true, subtree: true });
})();