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Jake Jarvis
eccf2108c7
* gymnastics to make theme script work with react 18 hydration * try next 12.1.3 canary to fix SSG head tags? * revert theme script changes * next 12.1.3-canary.3 * double-revert some of the use-theme.tsx changes * separate theme restoration script & move to _document * bump next * bump next (again) * clean up some theme stuff * use hashed image URLs in webmanifest and feeds * text experimental react config * Update ThemeScript.tsx * switch selfie image to `layout="raw"` * use `layout="raw"` for all non-imported images * revert raw images in some places, messes up responsiveness * fix nitpicky "no divs inside buttons" html validation error * fix react-player hydration errors * fix hydration errors from server/client time zone differences * clean up hydration fixes * Update format-date.ts * last-minute cleanup
63 lines
2.3 KiB
TypeScript
63 lines
2.3 KiB
TypeScript
import { darkModeQuery, themeStorageKey, themeClassNames } from "../../lib/styles/helpers/themes";
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// comments are up here to avoid having them inside the actual client output:
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// - `p` is the user's saved preference
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// - `c` is the map of theme -> classname
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// - `l` is the list of <html>'s current class(es), which the `cn` values are removed to start fresh
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// - `q` is always the CSS media query for prefers dark mode
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// - `m` is the listener which tests that media query
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// - `try/catch` is in case I messed something up here bigly... (will default to light theme)
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/* eslint-disable no-empty, no-var, one-var */
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const clientScript = () => {
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try {
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var p = localStorage.getItem("__STORAGE_KEY__"),
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c = "__CLASS_NAMES__",
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l = document.documentElement.classList;
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l.remove("__LIST_OF_CLASSES__");
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if (!p || p === "system") {
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var q = "__MEDIA_QUERY__",
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m = window.matchMedia(q);
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m.media !== q || m.matches ? l.add(c["dark"]) : l.add(c["light"]);
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} else {
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l.add(c[p]);
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}
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} catch (e) {}
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};
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/* eslint-enable no-empty, no-var, one-var */
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// since the function above will end up being injected as a plain dumb string, we need to set the dynamic values here:
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const prepareScript = (script: unknown) => {
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const functionString = String(script)
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.replace('"__MEDIA_QUERY__"', `"${darkModeQuery}"`)
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.replace('"__STORAGE_KEY__"', `"${themeStorageKey}"`)
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.replace('"__CLASS_NAMES__"', JSON.stringify(themeClassNames))
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.replace(
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'"__LIST_OF_CLASSES__"',
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Object.values(themeClassNames)
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.map((t: string) => `"${t}"`)
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.join(",")
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);
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// somewhat "minify" the final code by removing tabs/newlines:
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// https://github.com/sindresorhus/condense-whitespace/blob/main/index.js
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// .replace(/\s{2,}/gu, "")
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// .trim();
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// make it an IIFE:
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return `(${functionString})()`;
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};
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// the script tag injected manually into `<head>` in _document.tsx.
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// even though it's the proper method, using next/script with `strategy="beforeInteractive"` still causes flash of
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// white on load. injecting a normal script tag lets us prioritize setting `<html>` attributes even more.
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const ThemeScript = () => (
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<script
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key="restore-theme"
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dangerouslySetInnerHTML={{
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__html: prepareScript(clientScript),
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}}
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/>
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);
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export default ThemeScript;
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