darkmode scripts

Jacky Zhao

2023-06-07 4d3579ca9876d3ca6612589d116c3a300a60b446

darkmode scripts

 quartz.config.ts

@@ -1,6 +1,6 @@
import { QuartzConfig } from "./quartz/cfg"
import * as Head from "./quartz/components/Head"
import * as Header from "./quartz/components/Header"
import Head from "./quartz/components/Head"
import Header from "./quartz/components/Header"
import {
  ContentPage,
  CreatedModifiedDate,

 quartz/bootstrap-cli.mjs

@@ -74,6 +74,7 @@
              const transpiled = await esbuild.build({
                stdin: {
                  contents: text,
                  loader: 'ts',
                  sourcefile: path.relative(path.resolve('.'), args.path),
                },
                write: false,

 quartz/build.ts

@@ -59,7 +59,7 @@
    const server = http.createServer(async (req, res) => {
      return serveHandler(req, res, {
        public: output,
        directoryListing: false
        directoryListing: false,
      })
    })
    server.listen(argv.port)

 quartz/components/Darkmode.tsx

New file
@@ -0,0 +1,47 @@
import darkmodeScript from "./scripts/darkmode.inline"
import styles from '../styles/darkmode.scss'

export default function Darkmode() {
  return <div class="darkmode">
    <input class="toggle" id="darkmode-toggle" type="checkbox" tabIndex={-1} />
    <label id="toggle-label-light" for="darkmode-toggle" tabIndex={-1}>
      <svg
        xmlns="http://www.w3.org/2000/svg"
        xmlnsXlink="http://www.w3.org/1999/xlink"
        version="1.1"
        id="dayIcon"
        x="0px"
        y="0px"
        viewBox="0 0 35 35"
        style="enable-background:new 0 0 35 35;"
        xmlSpace="preserve"
      >
        <title>Light mode</title>
        <path
          d="M6,17.5C6,16.672,5.328,16,4.5,16h-3C0.672,16,0,16.672,0,17.5    S0.672,19,1.5,19h3C5.328,19,6,18.328,6,17.5z M7.5,26c-0.414,0-0.789,0.168-1.061,0.439l-2,2C4.168,28.711,4,29.086,4,29.5    C4,30.328,4.671,31,5.5,31c0.414,0,0.789-0.168,1.06-0.44l2-2C8.832,28.289,9,27.914,9,27.5C9,26.672,8.329,26,7.5,26z M17.5,6    C18.329,6,19,5.328,19,4.5v-3C19,0.672,18.329,0,17.5,0S16,0.672,16,1.5v3C16,5.328,16.671,6,17.5,6z M27.5,9    c0.414,0,0.789-0.168,1.06-0.439l2-2C30.832,6.289,31,5.914,31,5.5C31,4.672,30.329,4,29.5,4c-0.414,0-0.789,0.168-1.061,0.44    l-2,2C26.168,6.711,26,7.086,26,7.5C26,8.328,26.671,9,27.5,9z M6.439,8.561C6.711,8.832,7.086,9,7.5,9C8.328,9,9,8.328,9,7.5    c0-0.414-0.168-0.789-0.439-1.061l-2-2C6.289,4.168,5.914,4,5.5,4C4.672,4,4,4.672,4,5.5c0,0.414,0.168,0.789,0.439,1.06    L6.439,8.561z M33.5,16h-3c-0.828,0-1.5,0.672-1.5,1.5s0.672,1.5,1.5,1.5h3c0.828,0,1.5-0.672,1.5-1.5S34.328,16,33.5,16z     M28.561,26.439C28.289,26.168,27.914,26,27.5,26c-0.828,0-1.5,0.672-1.5,1.5c0,0.414,0.168,0.789,0.439,1.06l2,2    C28.711,30.832,29.086,31,29.5,31c0.828,0,1.5-0.672,1.5-1.5c0-0.414-0.168-0.789-0.439-1.061L28.561,26.439z M17.5,29    c-0.829,0-1.5,0.672-1.5,1.5v3c0,0.828,0.671,1.5,1.5,1.5s1.5-0.672,1.5-1.5v-3C19,29.672,18.329,29,17.5,29z M17.5,7    C11.71,7,7,11.71,7,17.5S11.71,28,17.5,28S28,23.29,28,17.5S23.29,7,17.5,7z M17.5,25c-4.136,0-7.5-3.364-7.5-7.5    c0-4.136,3.364-7.5,7.5-7.5c4.136,0,7.5,3.364,7.5,7.5C25,21.636,21.636,25,17.5,25z"
        ></path>
      </svg>
    </label>
    <label id="toggle-label-dark" for="darkmode-toggle" tabIndex={-1}>
      <svg
        xmlns="http://www.w3.org/2000/svg"
        xmlnsXlink="http://www.w3.org/1999/xlink"
        version="1.1"
        id="nightIcon"
        x="0px"
        y="0px"
        viewBox="0 0 100 100"
        style="enable-background='new 0 0 100 100'"
        xmlSpace="preserve"
      >
        <title>Dark mode</title>
        <path
          d="M96.76,66.458c-0.853-0.852-2.15-1.064-3.23-0.534c-6.063,2.991-12.858,4.571-19.655,4.571  C62.022,70.495,50.88,65.88,42.5,57.5C29.043,44.043,25.658,23.536,34.076,6.47c0.532-1.08,0.318-2.379-0.534-3.23  c-0.851-0.852-2.15-1.064-3.23-0.534c-4.918,2.427-9.375,5.619-13.246,9.491c-9.447,9.447-14.65,22.008-14.65,35.369  c0,13.36,5.203,25.921,14.65,35.368s22.008,14.65,35.368,14.65c13.361,0,25.921-5.203,35.369-14.65  c3.872-3.871,7.064-8.328,9.491-13.246C97.826,68.608,97.611,67.309,96.76,66.458z"
        ></path>
      </svg>
    </label>
  </div>
}

Darkmode.beforeDOMLoaded = darkmodeScript
Darkmode.css = styles

 quartz/components/Head.tsx

@@ -8,7 +8,7 @@
  externalResources: StaticResources
}

export function Component({ title, description, slug, externalResources }: HeadProps) {
export default function Head({ title, description, slug, externalResources }: HeadProps) {
  const { css, js } = externalResources
  const baseDir = resolveToRoot(slug)
  const iconPath = baseDir + "/static/icon.png"

 quartz/components/Header.tsx

@@ -1,14 +1,20 @@
import { resolveToRoot } from "../path"
import Darkmode from "./Darkmode"
import style from '../styles/header.scss'

export interface HeaderProps {
  title: string
  slug: string
}

export function Component({ title, slug }: HeaderProps) {
export default function Header({ title, slug }: HeaderProps) {
  const baseDir = resolveToRoot(slug)
  return <header>
    <h1><a href={baseDir}>{title}</a></h1>
    <div class="spacer"></div>
    <Darkmode />
  </header>
}

Header.beforeDOMLoaded = Darkmode.beforeDOMLoaded
Header.css = style + Darkmode.css

 quartz/components/scripts/darkmode.inline.ts

@@ -1,3 +1,25 @@
export default "Darkmode" 

console.log("HELLOOOO FROM CONSOLE")
const currentTheme = localStorage.getItem("theme")
const theme =
  currentTheme ??
  (window.matchMedia("(prefers-color-scheme: light)").matches ? "light" : "dark")

document.documentElement.setAttribute("saved-theme", theme)

window.addEventListener("DOMContentLoaded", () => {
  const toggleSwitch = document.querySelector("#darkmode-toggle") as HTMLInputElement
  toggleSwitch.addEventListener("change", (e: any) => {
    if (e.target.checked) {
      document.documentElement.setAttribute("saved-theme", "dark")
      localStorage.setItem("theme", "dark")
    } else {
      document.documentElement.setAttribute("saved-theme", "light")
      localStorage.setItem("theme", "light")
    }
  })

  if (theme === "dark") {
    toggleSwitch.checked = true
  }
})

 quartz/components/types.ts

@@ -1,7 +1,6 @@
import { ComponentType } from "preact"

export type QuartzComponent<Props> = {
  Component: ComponentType<Props>
export type QuartzComponent<Props> = ComponentType<Props> & {
  css?: string,
  beforeDOMLoaded?: string,
  afterDOMLoaded?: string,

 quartz/plugins/emitters/contentPage.tsx

@@ -48,14 +48,14 @@

      const title = file.data.frontmatter?.title
      const doc = <html>
        <Head.Component
        <Head
          title={title ?? "Untitled"}
          description={file.data.description ?? "No description provided"}
          slug={file.data.slug!}
          externalResources={pageResources} />
        <body>
          <div id="quartz-root" class="page">
            <Header.Component title={cfg.siteTitle} slug={file.data.slug!} />
            <Header title={cfg.siteTitle} slug={file.data.slug!} />
            <article>
              {file.data.slug !== "index" && <h1>{title}</h1>}
              {content}

 quartz/styles/base.scss

@@ -24,7 +24,7 @@
  border-radius: 5px;
}

p, ul, text, a, tr, td, li, ol, ul {
p, ul, text, a, tr, td, li, ol, ul, .katex {
  color: var(--darkgray);
  fill: var(--darkgray);
}
@@ -67,7 +67,7 @@
}

blockquote {
  margin-left: 0;
  margin: 1rem 0;
  border-left: 3px solid var(--secondary);
  padding-left: 1rem;
  transition: border-color 0.2s ease;
@@ -134,7 +134,7 @@
  & > code {
    background: none;
    padding: 0;
    font-size: 0.9rem;
    font-size: 0.85rem;
    counter-reset: line;
    counter-increment: line 0;
    display: grid;

 quartz/styles/callouts.scss

@@ -4,7 +4,7 @@
    border: 1px solid var(--border);
    background-color: var(--bg);
    border-radius: 5px;
    padding: 0 0.7rem;
    padding: 0 1rem;

    &[data-callout="note"] {
      --color: #448aff;

 quartz/styles/darkmode.scss

New file
@@ -0,0 +1,45 @@
.darkmode {
  float: right;
  padding: 1rem;
  min-width: 30px;
  position: relative;

  @media all and (max-width: 450px) {
    padding: 1rem;
  }

  & > .toggle {
    display: none;
    box-sizing: border-box;
  }

  & svg {
    cursor: pointer;
    opacity: 0;
    position: absolute;
    width: 20px;
    height: 20px;
    top: calc(50% - 10px);
    margin: 0 7px;
    fill: var(--darkgray);
    transition: opacity 0.1s ease;
  }
}

:root[saved-theme="dark"] .toggle ~ label {
  & > #dayIcon {
    opacity: 0;
  }
  & > #nightIcon {
    opacity: 1;
  }
}

:root .toggle ~ label {
  & > #dayIcon {
    opacity: 1;
  }
  & > #nightIcon {
    opacity: 0;
  }
}

 quartz/styles/header.scss

New file
@@ -0,0 +1,10 @@
header {
  display: flex;
  flex-direction: row;
  align-items: center;
  margin: 1em 0 2em 0;
  & > h1 {
    margin: 0;
    flex: auto;
  }
}