source/content-scripts/features/exports.ts

@@ -11,7 +11,6 @@ export * from "./miscellaneous/hide-own-username.js";
 export * from "./miscellaneous/show-topic-author.js";
 export * from "./miscellaneous/topic-info-ignore.js";
 export * from "./miscellaneous/unignore-all-button.js";
-export * from "./theme-switcher.js";
 export * from "./themed-logo.js";
 export * from "./user-labels.js";
 export * from "./username-colors.js";

source/content-scripts/features/theme-switcher.ts

@@ -1,75 +0,0 @@
-import {
-  Feature,
-  type ThemeSwitcherData,
-  fromStorage,
-} from "../../storage/exports.js";
-import {log, setBodyThemeClass, sleep} from "../../utilities/exports.js";
-
-export async function runThemeSwitcherFeature(): Promise<void> {
-  const data = await fromStorage(Feature.ThemeSwitcher);
-  const switchedTheme = await themeSwitcher(data.value);
-  if (switchedTheme !== undefined) {
-    log(`Theme Switcher: Switched to ${switchedTheme}`);
-  }
-}
-
-async function themeSwitcher(
-  data: ThemeSwitcherData,
-): Promise<string | undefined> {
-  // Get the millisecond Unix times of each date for easier comparison.
-  const [now, dateA, dateB] = [
-    new Date(),
-    getDateWithSpecificTime(data.hourA),
-    getDateWithSpecificTime(data.hourB),
-  ].map((date) => date.getTime());
-
-  // If we're in the range between date A and B then set it to theme A,
-  // otherwise set it to theme B as we'll be in the other range.
-  const theme = now > dateA && now <= dateB ? data.themeA : data.themeB;
-  const themeSelector =
-    document.querySelector<HTMLSelectElement>("select#theme") ?? undefined;
-
-  if (themeSelector === undefined) {
-    // If there is no theme selector on the page only change the body class.
-    setBodyThemeClass(theme);
-    return theme;
-  }
-
-  if (themeSelector.value === theme) {
-    // If the theme is already set to the one we want to change to, do nothing.
-    return;
-  }
-
-  themeSelector.value = theme;
-  setBodyThemeClass(theme);
-
-  // After 2 seconds dispatch a synthetic change event on the theme selector so
-  // it changes the user's theme cookie. This isn't ideal because if it takes
-  // longer than 2 seconds to initialize the Tildes JS handler for the theme
-  // selector it won't do anything, but for now it's better than trying to set
-  // the cookie ourselves which would require extra WebExtension permissions.
-  void sleep(2000).then(() => {
-    themeSelector.dispatchEvent(new Event("change"));
-  });
-
-  return theme;
-}
-
-/**
- * Create a date of today with the hours and minutes set to the given `HH:MM`
- * string, and the seconds and milliseconds set to 0.
- */
-function getDateWithSpecificTime(time: string): Date {
-  const components = time
-    .split(":")
-    .map(Number)
-    // Make sure any conversions don't return `NaN`.
-    .map((value) => (Number.isNaN(value) ? 0 : value));
-
-  const date = new Date();
-  date.setHours(components[0]);
-  date.setMinutes(components[1]);
-  date.setSeconds(0, 0);
-
-  return date;
-}

source/content-scripts/setup.tsx

@@ -30,7 +30,6 @@ import {
   runTopicInfoIgnore,
   runUnignoreAllButtonFeature,
   runUsernameColorsFeature,
-  runThemeSwitcherFeature,
 } from "./features/exports.js";
 
 async function initialize() {
@@ -140,10 +139,6 @@ async function initialize() {
     });
   }
 
-  if (enabledFeatures.value.has(Feature.ThemeSwitcher)) {
-    await runThemeSwitcherFeature();
-  }
-
   if (enabledFeatures.value.has(Feature.ThemedLogo)) {
     observerFeatures.push(() => {
       runThemedLogoFeature();

source/options/components/theme-switcher.tsx

@@ -71,8 +71,6 @@ export class ThemeSwitcherSetting extends Component<SettingProps, State> {
       <Setting {...this.props}>
         <p class="info">
           Automatically switch between two themes at certain times of the day.
-          <br />
-          The expected format for times is <code>HH:MM</code>.
         </p>
 
         <button

source/utilities/themes.ts

@@ -17,19 +17,3 @@ export function extractThemes(): Array<[string, string]> | undefined {
     (theme.textContent ?? "<unknown>").trim(),
   ]);
 }
-
-/**
- * Set the theme class on the `<body>` element and remove any other existing
- * theme classes.
- */
-export function setBodyThemeClass(theme: string): void {
-  for (const value of Array.from(document.body.classList)) {
-    if (!value.startsWith("theme-")) {
-      continue;
-    }
-
-    document.body.classList.remove(value);
-  }
-
-  document.body.classList.add(`theme-${theme}`);
-}