hidden shit, and online status bars, search settings

src/app/components/setting-tile/SettingTile.css.ts

@@ -0,0 +1,18 @@
+import { keyframes, style } from '@vanilla-extract/css';
+import { color, config } from 'folds';
+
+const focusPulse = keyframes({
+  '0%': {
+    outlineColor: color.Primary.Main,
+  },
+  '100%': {
+    outlineColor: 'transparent',
+  },
+});
+
+export const SettingTileFocus = style({
+  borderRadius: config.radii.R400,
+  outline: `${config.borderWidth.B300} solid ${color.Primary.Main}`,
+  outlineOffset: config.space.S100,
+  animation: `${focusPulse} 1.2s ease-out forwards`,
+});

src/app/components/setting-tile/SettingTile.tsx

@@ -1,6 +1,9 @@
-import React, { ReactNode } from 'react';
+import React, { ReactNode, useEffect, useRef, useState } from 'react';
 import { Box, Text } from 'folds';
+import classNames from 'classnames';
 import { BreakWord } from '../../styles/Text.css';
+import { settingAnchorId, useSettingsFocus } from './SettingsFocus';
+import { SettingTileFocus } from './SettingTile.css';
 
 type SettingTileProps = {
   title?: ReactNode;
@@ -8,10 +11,65 @@ type SettingTileProps = {
   before?: ReactNode;
   after?: ReactNode;
   children?: ReactNode;
+  /** Override auto-generated scroll anchor. */
+  anchorId?: string;
 };
-export function SettingTile({ title, description, before, after, children }: SettingTileProps) {
+export function SettingTile({
+  title,
+  description,
+  before,
+  after,
+  children,
+  anchorId: anchorIdProp,
+}: SettingTileProps) {
+  const ref = useRef<HTMLDivElement>(null);
+  const { anchorId: focusAnchorId, setAnchorId } = useSettingsFocus();
+  const [highlighted, setHighlighted] = useState(false);
+
+  const autoAnchorId = typeof title === 'string' ? settingAnchorId(title) : undefined;
+  const anchorId = anchorIdProp ?? autoAnchorId;
+
+  useEffect(() => {
+    if (!anchorId || !focusAnchorId || anchorId !== focusAnchorId) return;
+    let cancelled = false;
+    let attempts = 0;
+
+    const run = () => {
+      if (cancelled) return;
+      const node = ref.current;
+      if (node) {
+        node.scrollIntoView({ behavior: 'smooth', block: 'center' });
+        setHighlighted(true);
+        setAnchorId(undefined);
+        return;
+      }
+      if (attempts < 40) {
+        attempts += 1;
+        window.requestAnimationFrame(run);
+      }
+    };
+
+    const timer = window.setTimeout(run, 50);
+    return () => {
+      cancelled = true;
+      window.clearTimeout(timer);
+    };
+  }, [anchorId, focusAnchorId, setAnchorId]);
+
+  useEffect(() => {
+    if (!highlighted) return;
+    const timer = window.setTimeout(() => setHighlighted(false), 1400);
+    return () => window.clearTimeout(timer);
+  }, [highlighted]);
+
   return (
-    <Box alignItems="Center" gap="300">
+    <Box
+      ref={ref}
+      id={anchorId}
+      alignItems="Center"
+      gap="300"
+      className={classNames(highlighted && SettingTileFocus)}
+    >
       {before && <Box shrink="No">{before}</Box>}
       <Box grow="Yes" direction="Column" gap="100">
         {title && (

src/app/components/setting-tile/SettingsFocus.tsx

@@ -0,0 +1,32 @@
+import { createContext, useContext } from 'react';
+
+export type SettingsFocus = {
+  /** Stable anchor id for a setting tile (from settingAnchorId). */
+  anchorId?: string;
+  setAnchorId: (anchorId: string | undefined) => void;
+};
+
+const SettingsFocusContext = createContext<SettingsFocus | null>(null);
+
+export const SettingsFocusProvider = SettingsFocusContext.Provider;
+
+export const useSettingsFocus = (): SettingsFocus => {
+  const ctx = useContext(SettingsFocusContext);
+  if (!ctx) {
+    return {
+      anchorId: undefined,
+      setAnchorId: () => undefined,
+    };
+  }
+  return ctx;
+};
+
+/** Stable DOM id for a settings tile title. */
+export function settingAnchorId(title: string): string {
+  const slug = title
+    .trim()
+    .toLowerCase()
+    .replace(/[^a-z0-9]+/g, '-')
+    .replace(/^-|-$/g, '');
+  return `settings-item-${slug || 'untitled'}`;
+}

src/app/components/setting-tile/index.ts

@@ -1 +1,2 @@
 export * from './SettingTile';
+export * from './SettingsFocus';