Provide directory navigation for node.js document website content.
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// ==UserScript==
// @name Nodejs Document Content Navigation
// @name:zh-CN Nodejs 文档内容导航
// @namespace https://github.com/wang1212/user-script/blob/main/nodejs-docs-navigation
// @version 0.1.0
// @description Provide directory navigation for node.js document website content.
// @description:zh-cn 提供 Node.js 文档网站的内容目录导航。
// @author wang1212
// @match http*://nodejs.org/*/*/docs/api/*
// @match http*://nodejs.org/*/*/docs/api/*
// @grant none
// ==/UserScript==
(function () {
'use strict';
const log = console.log;
/* ------------------------------- Init ----------------------------- */
/* ---------------------- Parser Content Navigation ----------------------------- */
function updateContentNavigation() {
let navBarElem = document.querySelector('.wang1212_md-content-nav');
// Remove existing
navBarElem && navBarElem.remove();
// navBar button
navBarElem = document.createElement('div');
navBarElem.classList.add('wang1212_md-content-nav');
navBarElem.title = '文档内容导航';
navBarElem.innerText = 'N';
// Panel
const navBarPanelElem = document.createElement('div');
navBarPanelElem.classList.add('wang1212_md-content-nav_panel');
navBarPanelElem.appendChild(document.querySelector('#toc').cloneNode(true));
// --- CSS Style ---
const styleElem = document.createElement('style');
styleElem.type = 'text/css';
styleElem.innerHTML = `
.wang1212_md-content-nav {
position: fixed;
right: 1rem;
bottom: 3.5rem;
z-index: 1999;
width: 2rem;
height: 2rem;
color: white;
font-size: 1.5rem;
line-height: 2rem;
text-align: center;
background-color: rgb(36, 41, 46);
cursor: pointer;
}
.wang1212_md-content-nav_panel {
position: absolute;
right: 0;
bottom: 2rem;
display: block;
width: 30rem;
height: 75vh;
padding: 0.5rem;
overflow: auto;
color: #ddd;
font-size: 1rem;
line-height: 1rem;
text-align: left;
background: white;
box-shadow: rgba(0, 0, 0, 0.25) 0 0 0.5rem 0;
}
.wang1212_md-content-nav_to-anchor {
line-height: 1.6 !important;
}
.wang1212_md-content-nav_to-anchor:hover {
color: rgb(0, 0, 0);
}
`;
navBarElem.appendChild(navBarPanelElem);
document.body.appendChild(navBarElem);
document.head.appendChild(styleElem);
// --- Event ---
// Show/Hide
navBarElem.addEventListener(
'click',
(e) => {
if (e.target !== navBarElem) return;
if (navBarPanelElem.style.display === 'none') {
navBarPanelElem.style.display = 'block';
} else {
navBarPanelElem.style.display = 'none';
}
},
false
);
}
/* ------------------------------- To Top ----------------------------- */
// to top button
function updateGoToTopButton() {
let toTopElem = document.querySelector('.wang1212_to-top');
// Remove existing
toTopElem && toTopElem.remove();
// toTop button
toTopElem = document.createElement('div');
toTopElem.classList.add('wang1212_to-top');
toTopElem.title = '回到顶部';
toTopElem.innerText = '↑';
// --- CSS Style ---
const styleElem = document.createElement('style');
styleElem.type = 'text/css';
styleElem.innerHTML = `
.wang1212_to-top {
position: fixed;
right: 1rem;
bottom: 1rem;
z-index: 1999;
width: 2rem;
height: 2rem;
color: white;
font-size: 1.5rem;
line-height: 2rem;
text-align: center;
background-color: rgb(36, 41, 46);
cursor: pointer;
}
`;
document.body.appendChild(toTopElem);
document.head.appendChild(styleElem);
// --- Event ---
// fly to view
toTopElem.addEventListener(
'click',
() => {
document.body.scrollIntoView({ behavior: 'smooth' });
},
false
);
}
/* ------------------------------- Load ----------------------------- */
function load() {
updateContentNavigation();
updateGoToTopButton();
}
// Monitor page reload
// document.addEventListener('pjax:end', load, false);
//
load();
})();