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refactor(search): extract LiveSearch header-collapse logic into a hook

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This commit is contained in:
Psychotoxical
2026-06-30 23:32:41 +02:00
parent ece4ae651c
commit 16e014ca28
2 changed files with 103 additions and 89 deletions
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src/features/search/components/LiveSearch.tsx
+2 -89
View File
@@ -34,6 +34,7 @@ import {
LiveSearchSongThumb,
LiveSearchArtistThumb,
} from '@/features/search/components/liveSearchResultThumbs';
import { useLiveSearchHeaderCollapse } from '@/features/search/hooks/useLiveSearchHeaderCollapse';
import { showToast } from '@/lib/dom/toast';
import { useShareSearch } from '@/features/search/hooks/useShareSearch';
import ShareSearchResults from '@/features/search/components/ShareSearchResults';
@@ -72,7 +73,6 @@ export default function LiveSearch() {
const [loading, setLoading] = useState(false);
const [activeIndex, setActiveIndex] = useState(-1);
const [isFocused, setIsFocused] = useState(false);
const [isCollapsed, setIsCollapsed] = useState(false);
const [searchSource, setSearchSource] = useState<LiveSearchSource | null>(null);
const localReadyRef = useRef(false);
const liveSearchGenRef = useRef(0);
@@ -86,8 +86,7 @@ export default function LiveSearch() {
const ref = useRef<HTMLDivElement>(null);
const dropdownRef = useRef<HTMLDivElement>(null);
const inputRef = useRef<HTMLInputElement>(null);
const collapsedRef = useRef(false);
const compactHeaderControlsRef = useRef(false);
const isCollapsed = useLiveSearchHeaderCollapse(ref);
const serverId = useAuthStore(s => s.activeServerId);
const musicLibraryFilterVersion = useAuthStore(s => s.musicLibraryFilterVersion);
const indexEnabled = useLibraryIndexStore(s => s.isIndexEnabled(serverId));
@@ -353,92 +352,6 @@ export default function LiveSearch() {
};
}, [isCollapsed, isSearchActive]);
useEffect(() => {
const root = ref.current;
if (!root) return;
const header = root.closest('.content-header') as HTMLElement | null;
if (!header) return;
const spacer = header.querySelector('.spacer') as HTMLElement | null;
if (!spacer) return;
const MIN_EXPANDED_WIDTH = 260;
const SPACER_RESERVE = 24;
const HYSTERESIS_PX = 20;
// Live/Orbit compact-mode is intentionally stickier than search collapse,
// otherwise both systems can feed each other and oscillate.
const HEADER_CONTROLS_COMPACT_ON_SPACER = 36;
const HEADER_CONTROLS_COMPACT_OFF_SPACER = 108;
const SWITCH_COOLDOWN_MS = 180;
const collapseThreshold = MIN_EXPANDED_WIDTH + SPACER_RESERVE;
const expandThreshold = collapseThreshold + HYSTERESIS_PX;
let lastSwitchAt = 0;
let cooldownTimer: number | null = null;
const updateCollapsed = () => {
const searchWidth = root.getBoundingClientRect().width;
const spacerWidth = spacer.getBoundingClientRect().width;
const budget = searchWidth + spacerWidth;
const headerOverflowing = header.scrollWidth - header.clientWidth > 1;
let nextCollapsed = collapsedRef.current
? budget < expandThreshold
: budget < collapseThreshold;
// Priority rule: if we are already compacting Live/Orbit labels, search
// must stay collapsed until compact mode can be released.
if (compactHeaderControlsRef.current) {
nextCollapsed = true;
}
if (nextCollapsed !== collapsedRef.current) {
const now = performance.now();
const remaining = SWITCH_COOLDOWN_MS - (now - lastSwitchAt);
if (remaining > 0) {
if (cooldownTimer == null) {
cooldownTimer = window.setTimeout(() => {
cooldownTimer = null;
updateCollapsed();
}, remaining);
}
return;
}
lastSwitchAt = now;
collapsedRef.current = nextCollapsed;
setIsCollapsed(nextCollapsed);
}
const nextCompactControls = nextCollapsed
? (
compactHeaderControlsRef.current
// Stay compact until we clearly have room and no overflow.
? (headerOverflowing || spacerWidth < HEADER_CONTROLS_COMPACT_OFF_SPACER)
// Enter compact only when both tight spacer and real overflow exist.
: (headerOverflowing && spacerWidth < HEADER_CONTROLS_COMPACT_ON_SPACER)
)
: false;
if (nextCompactControls !== compactHeaderControlsRef.current) {
compactHeaderControlsRef.current = nextCompactControls;
if (nextCompactControls) {
header.dataset.liveHeaderCompact = 'true';
} else {
delete header.dataset.liveHeaderCompact;
}
}
};
updateCollapsed();
const ro = new ResizeObserver(updateCollapsed);
ro.observe(header);
ro.observe(spacer);
ro.observe(root);
window.addEventListener('resize', updateCollapsed);
return () => {
ro.disconnect();
window.removeEventListener('resize', updateCollapsed);
delete header.dataset.liveHeaderCompact;
if (cooldownTimer != null) {
window.clearTimeout(cooldownTimer);
}
};
}, []);
// Close on click outside — but stay open while a song context menu is up.
// The CM renders a fullscreen transparent backdrop (z-index 998) above the
// dropdown, so any mousedown — including a second right-click on another
src/features/search/hooks/useLiveSearchHeaderCollapse.ts
+101
View File
@@ -0,0 +1,101 @@
import { useState, useRef, useEffect, type RefObject } from 'react';
/**
* Collapses the live-search field into an icon-overlay when the header runs out
* of horizontal room, with hysteresis and a stickier compact mode for the
* Live/Orbit header controls (the two must not feed each other and oscillate).
* Returns the collapsed flag for the field render + overlay state.
*/
export function useLiveSearchHeaderCollapse(rootRef: RefObject<HTMLDivElement | null>): boolean {
const [isCollapsed, setIsCollapsed] = useState(false);
const collapsedRef = useRef(false);
const compactHeaderControlsRef = useRef(false);
useEffect(() => {
const root = rootRef.current;
if (!root) return;
const header = root.closest('.content-header') as HTMLElement | null;
if (!header) return;
const spacer = header.querySelector('.spacer') as HTMLElement | null;
if (!spacer) return;
const MIN_EXPANDED_WIDTH = 260;
const SPACER_RESERVE = 24;
const HYSTERESIS_PX = 20;
// Live/Orbit compact-mode is intentionally stickier than search collapse,
// otherwise both systems can feed each other and oscillate.
const HEADER_CONTROLS_COMPACT_ON_SPACER = 36;
const HEADER_CONTROLS_COMPACT_OFF_SPACER = 108;
const SWITCH_COOLDOWN_MS = 180;
const collapseThreshold = MIN_EXPANDED_WIDTH + SPACER_RESERVE;
const expandThreshold = collapseThreshold + HYSTERESIS_PX;
let lastSwitchAt = 0;
let cooldownTimer: number | null = null;
const updateCollapsed = () => {
const searchWidth = root.getBoundingClientRect().width;
const spacerWidth = spacer.getBoundingClientRect().width;
const budget = searchWidth + spacerWidth;
const headerOverflowing = header.scrollWidth - header.clientWidth > 1;
let nextCollapsed = collapsedRef.current
? budget < expandThreshold
: budget < collapseThreshold;
// Priority rule: if we are already compacting Live/Orbit labels, search
// must stay collapsed until compact mode can be released.
if (compactHeaderControlsRef.current) {
nextCollapsed = true;
}
if (nextCollapsed !== collapsedRef.current) {
const now = performance.now();
const remaining = SWITCH_COOLDOWN_MS - (now - lastSwitchAt);
if (remaining > 0) {
if (cooldownTimer == null) {
cooldownTimer = window.setTimeout(() => {
cooldownTimer = null;
updateCollapsed();
}, remaining);
}
return;
}
lastSwitchAt = now;
collapsedRef.current = nextCollapsed;
setIsCollapsed(nextCollapsed);
}
const nextCompactControls = nextCollapsed
? (
compactHeaderControlsRef.current
// Stay compact until we clearly have room and no overflow.
? (headerOverflowing || spacerWidth < HEADER_CONTROLS_COMPACT_OFF_SPACER)
// Enter compact only when both tight spacer and real overflow exist.
: (headerOverflowing && spacerWidth < HEADER_CONTROLS_COMPACT_ON_SPACER)
)
: false;
if (nextCompactControls !== compactHeaderControlsRef.current) {
compactHeaderControlsRef.current = nextCompactControls;
if (nextCompactControls) {
header.dataset.liveHeaderCompact = 'true';
} else {
delete header.dataset.liveHeaderCompact;
}
}
};
updateCollapsed();
const ro = new ResizeObserver(updateCollapsed);
ro.observe(header);
ro.observe(spacer);
ro.observe(root);
window.addEventListener('resize', updateCollapsed);
return () => {
ro.disconnect();
window.removeEventListener('resize', updateCollapsed);
delete header.dataset.liveHeaderCompact;
if (cooldownTimer != null) {
window.clearTimeout(cooldownTimer);
}
};
}, [rootRef]);
return isCollapsed;
}