Rustdoc Redesign

Applies a modern look to rust documentation.

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name         Rustdoc Redesign
// @namespace    http://tampermonkey.net/
// @version      2024-12-10
// @description  Applies a modern look to rust documentation.
// @author       exa04
// @match        *://*/*
// @icon         https://rustacean.net/assets/rustacean-orig-noshadow.png
// @grant        GM_addStyle
// @license      GPLv3
// ==/UserScript==

const STYLE = `
@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap');

:root {
  --gray-950: #09090b;
  --gray-900: #18181b;
  --gray-800: #27272a;
  --gray-700: #3f3f46;
  --gray-600: #52525b;
  --gray-500: #71717a;
  --gray-400: #a1a1aa;
  --gray-300: #d4d4d8;
  --gray-200: #e4e4e7;
  --gray-100: #f4f4f5;
  --gray-50:  #fafafa;

  --accent-darkened: #451a03;
  --accent-lightened: #fde68a;
}
:root[data-theme="dark"] {
  --accent: #f59e0b;

  --body-background-color: var(--gray-950);
  --sidebar-background-color: var(--gray-950);
  --main-background-color: var(--gray-900);
  --code-block-background-color: var(--gray-800);
  --link-color: var(--accent);
  --sidebar-link-color: var(--gray-400);
  --accent-bg: var(--accent-darkened);
  --text-color: var(--gray-200);
  --main-color: var(--gray-200);
  --text-faded: var(--gray-400);
  --text-muted: var(--gray-500);
  --border: var(--gray-700);
  --search-shadow: 0 24px 64px 0 black;
  --search-btn-background-color: var(--gray-800);

  --code-highlight-comment-color: var(--gray-500);
}
:root[data-theme="light"] {
  --accent: #b45309;

  --body-background-color: var(--gray-200);
  --sidebar-background-color: var(--gray-100);
  --main-background-color: var(--gray-50);
  --code-block-background-color: var(--gray-100);
  --link-color: var(--accent);
  --sidebar-link-color: var(--gray-600);
  --accent-bg: var(--accent-lightened);
  --text-color: var(--gray-900);
  --main-color: var(--gray-900);
  --text-faded: var(--gray-600);
  --text-muted: var(--gray-500);
  --border: var(--gray-300);
  --search-shadow: 0 24px 64px 0 rgba(0,0,0,0.2);
  --search-btn-background-color: var(--gray-300);

  --code-highlight-comment-color: var(--gray-500);
}
.rustdoc, .rustdoc-page {
  max-width: 1440px;
  margin: auto;
}
main {
  background-color: var(--main-background-color);
  padding-left: 3rem;
  padding-right: 3rem;
  padding-top: 1rem;
}
body {
  background-color: var(--body-background-color);
}
.width-limiter {
  margin: auto;
  max-width: 780px;
}
.rustdoc, .rustdoc-page, #crate-search, h1, h2, h3, h4, h5, h6, .sidebar, .mobile-topbar, .search-input, .search-results, .result-name, .item-name > a, .out-of-band, .sub-heading, span.since, a.src, rustdoc-toolbar, summary.hideme, .scraped-example-list, .rustdoc-breadcrumbs, ul.all-items {
  font-family: "Inter", "Helvetica", Arial, sans-serif;
}

.toc {
  width: 192px;
  flex-grow: 0;
  flex-shrink: 0;
  font-size: 0.875rem;
  height: 100vh;
  position: sticky;
  top: 0;
  padding-top: 1rem;
  padding-right: 0.5rem;
  overflow-y: auto;
  background-color: var(--sidebar-background-color);
}
.toc .heading {
  padding-left: var(--sidebar-elems-left-padding);
  margin-bottom: 0.5rem;
}
.toc h3 {
  padding: 0;
  margin: 0;
}
.toc h3 a{
  color: var(--text-color);
}
.toc .block {
  padding-left: 0.5rem;
}
.toc a {
  color: var(--text-faded);
}
.sidebar .rustdoc-breadcrumbs {
  font-size: 1rem;
  font-weight: bold;
  padding-left: var(--sidebar-elems-left-padding);
  color: var(--text-faded);
  margin-bottom: 1rem;
}
.sidebar > .version {
  color: var(--text-faded);
  font-ssize: 0.875rem;
  margin: 1rem 0;
}
.sidebar .search {
  background-color: var(--search-btn-background-color);
  color: var(--text-faded);
  width: calc(100% - 2.5rem);
  border: 0 none black;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  padding: 0.5rem 1rem;
  margin-left: 1.5rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  position: sticky;
  top: 8px;
  box-shadow: var(--search-shadow);
}
.sidebar .search .key {
  width: 1.25rem;
  height: 1.25rem;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.25rem;
  border: 1px solid var(--text-muted);
}
.sidebar .rustdoc-breadcrumbs a:last-child {
  color: var(--text-color);
}
.sidebar .rustdoc-breadcrumbs a:hover {
  background-color: transparent !important;
  text-decoration: underline;
}
.sidebar-elems h3 {
  font-size: 0.875rem;
}
.sidebar-elems a, .sidebar > h2 a {
  padding: 0.125rem 0;
  margin-left: 0;
}
.sidebar-elems {
  padding-left: 0;
}
.sidebar-elems .block {
  margin-bottom: 1.5rem;
}
.sidebar .block a {
  padding-left: 1rem;
}
.sidebar .current,
.sidebar .current a,
.sidebar-crate a.logo-container:hover + h2 a,
.sidebar a:hover:not(.logo-container) {
  color: var(--text-color);
  background: var(--accent-bg);
}
.sidebar-elems h2 {
  display: none;
}
.sidebar-crate {
  border-bottom: 2px solid var(--border);
  margin: 1rem;
  margin-left: var(--sidebar-elems-left-padding);
  padding-bottom: 1rem;
}
.sidebar-crate h2 {
  margin: 0;
}
.sidebar-crate h2 .version {
  color: var(--text-faded);
  font-size: 0.875rem;
}
.sidebar-crate h2 a {
  font-size: 1.25rem;
}
.section-header:not(.structfield) {
  font-size: 1.5rem;
  font-weight: bold;
  border-top: 2px solid var(--border);
  margin-top: 2rem;
  border-top: 2px solid var(--border);
  padding-top: 2.5rem;
}
.item-decl {
  margin-bottom: 2.5rem;
}

.rustdoc-breadcrumbs {
  display: flex;
  gap: 0.25rem;
  color: var(--text-muted);
}
.rustdoc-breadcrumbs wbr {
  display: none;
}
.rustdoc-breadcrumbs a {
  color: var(--text-muted);
}
.main-heading {
  padding-bottom: 0;
  margin: 0;
}
.main-heading h1 {
  font-size: 1.125rem;
  margin-top: 1rem;
  color: var(--text-faded);
}
.main-heading h1 > span {
  font-size: 2rem;
  display: block;
  font-weight: bold;
}
.docblock>*:first-child {
  margin-top: 0 !important;
}
.content h2, .top-doc .docblock > h3, .top-doc .docblock > h4 {
  border-bottom: none;
}
.top-doc .docblock h2 {
  font-size: 1.5rem;
  font-weight: bold;
  margin-bottom: 0;
  margin-top: 2rem;
  padding: 0;
}
.top-doc .docblock h3 {
  line-height: 1.25rem;
  font-size: 1.25rem;
  margin-bottom: 1rem;
  margin-top: 2rem;
  padding-bottom: 0;
  font-weight: bold;
}
.example-wrap {
  margin: 1rem 0;
}
main p {
  margin: 0.75rem 0;
}
.docblock code, .docblock-short code {
  background: none;
}
main .top-doc {
  margin-left: -24px;
}
.code-header {
  color: var(--text-muted);
}
.code-header > *:not(.fn) {
  color: var(--text-faded);
}
.code-header .fn {
  color: var(--accent);
}
.impl > .code-header .trait {
  color: var(--trait-link-color);
}
main p.leading {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  margin-top: 0.5rem;
}
.impl-items {
  padding-left: 2rem;
}
#trait-implementations-list .impl-items > .toggle:not(:last-child), #synthetic-implementations-list .impl-items > .toggle:not(:last-child), #blanket-implementations-list .impl-items > .toggle:not(:last-child){
  margin: 1.5rem 0;
}
#main-content.hidden {
  display: block !important;
}

#alternative-display rustdoc-toolbar {
  display: none;
}
#alternative-display {
  position: fixed;
  z-index: 100;
  top: 20vh;
  left: 50%;
  transform: translateX(-50%);
  width: 80vw;
  max-width: 800px;
  background: var(--sidebar-background-color);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 0 1rem;
  box-shadow: var(--search-shadow);
}
#alternative-display #search {
  height: 100%;
  display: flex;
  flex-direction: column;
  height: 720px;
  max-height: 70vh;
}
#alternative-display #search #results {
  flex-shrink: 1;
  height: 0;
  flex-grow: 1;
  overflow-y: scroll;
}
#search #search-tabs {
  margin-bottom: 0;
}
#search .search-results-title {
  margin-top: 0;
}

.width-limiter:has(#alternative-display.hidden) rustdoc-search,
.width-limiter:not(:has(#alternative-display)) rustdoc-search {
}

.width-limiter:has(#alternative-display:not(.hidden)) rustdoc-search,
rustdoc-search:has(:focus) {
  pointer-events: auto !important;
  opacity: 1.0 !important;
}

rustdoc-search {
  position: fixed;
  z-index: 100;
  top: calc(20vh - 3.5rem);
  left: 50%;
  transform: translateX(-50%);
  width: 80vw;
  max-width: 800px;
  pointer-events: none;
  opacity: 0;
}
rustdoc-search .search-input {
  background: var(--main-background-color);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  color: var(--text-color);
  font-size: 1.25rem;
  padding: 0 1rem;
  height: 3rem;
}
nav.sub {
  margin-top: 0;
}

/* TODO */

.code-header .where {
  display: none;
}
#copy-path {
  display: none;
}
.sidebar-resizer {
  display: none;
}
`;

(function() {
    'use strict';

    if(!document.body.classList.contains('rustdoc')
      && !document.body.classList.contains('rustdoc-page')) {
        return;
    }

    GM_addStyle(STYLE);

    const mainContent = document.querySelector("#main-content");
    const title = document.querySelector("#main-content > .main-heading");
    const docblock = document.querySelector(".docblock");

    if(title && docblock) {
        let leading = docblock.firstChild;

        if(leading) {
            if(leading.nodeName == "#text") {
                const leading_text = leading;
                leading = document.createElement("p");
                leading.append(leading_text);
            }

            leading.classList.add("leading");
            mainContent.insertBefore(leading, title.nextSibling);

            if(docblock.children.length == 0) {
                document.querySelector(".top-doc").remove();
            }
        }
    }

    const breadcrumbs = document.querySelector(".rustdoc-breadcrumbs");

    if(breadcrumbs) {
        const path = breadcrumbs.cloneNode(true);

        Array.from(path.childNodes)
            .filter(node => node.nodeName == "WBR")
            .forEach(node => path.removeChild(node));

        const sidebar = document.querySelector(".sidebar");
        const sidebarElems = document.querySelector(".sidebar > .sidebar-elems");
        sidebar.insertBefore(path, sidebarElems);
    }

    const toc_content = document.querySelector("#rustdoc-toc");

    if(toc_content) {
        const rustdoc = document.querySelector(".rustdoc");
        let toc = document.createElement("aside");
        toc.append(toc_content);

        rustdoc.append(toc);
        toc.classList.add("toc");
        toc_content.classList.add("sidebar-elems");
    }

    const sidebarCrate = document.querySelector(".sidebar");
    const h2 = document.querySelector(".sidebar-crate");

    if(sidebarCrate && h2) {
        const search = document.createElement("button");
        search.classList.add("search");

        search.onclick = () => document.querySelector("rustdoc-search .search-input").focus();

        const key = document.createElement("span");
        key.classList.add("key");
        key.append(document.createTextNode("/"));

        search.append(key);
        search.append(document.createTextNode("Search"));
        sidebarCrate.insertBefore(search, h2.nextSibling);
    }
})();