255847659e
The status-bar folder-toggle button had a 1px border + radius that made it look like a chip. Per request, render it as a bare icon — transparent background, no border. Hover now only shifts the icon color, the active state drops to color only, and focus-visible still draws a focus ring with border-radius applied so it remains a clean halo. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
660 lines
24 KiB
TypeScript
660 lines
24 KiB
TypeScript
import "./CustomModelDropdown.css";
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import { useState, useEffect, useCallback, useMemo, useRef } from "react";
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import { createPortal } from "react-dom";
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import type { ModelInfo } from "../api";
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import { filterModels } from "../utils/modelFilter";
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import { ProviderIcon } from "./ProviderIcon";
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export interface CustomModelDropdownProps {
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models: ModelInfo[];
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value: string;
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onChange: (value: string) => void;
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placeholder?: string;
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disabled?: boolean;
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id?: string;
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label: string;
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/** Optional untouched sentinel value for contexts that need a third lane (e.g. list-view bulk edit). */
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noChangeValue?: string;
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/** Display label for noChangeValue (defaults to "No change"). */
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noChangeLabel?: string;
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/** List of favorite provider names in preferred order */
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favoriteProviders?: string[];
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/** Called when user toggles a provider's favorite status */
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onToggleFavorite?: (provider: string) => void;
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/** List of favorited model identifiers in format "{provider}/{modelId}" */
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favoriteModels?: string[];
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/** Called when user toggles a model's favorite status */
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onToggleModelFavorite?: (modelId: string) => void;
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}
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interface DropdownPosition {
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top: number;
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left: number;
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width: number;
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maxHeight: number;
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}
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/**
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* CustomModelDropdown - A dropdown component combining selection with icon-enhanced provider groups.
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*
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* Interaction pattern:
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* - Closed: Shows trigger button with current selection and provider icon
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* - Open: Dropdown with search input at top, scrollable list of models grouped by provider with icons
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* - Filtering: Real-time filtering using filterModels() utility
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* - Keyboard: Arrow keys navigate, Enter selects, Escape closes, Tab moves focus
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*
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* The dropdown listbox is rendered in a portal so it can escape clipping/stacking
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* contexts created by scrollable modal or board containers while still anchoring to
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* the trigger button.
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*/
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export function CustomModelDropdown({
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models,
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value,
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onChange,
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placeholder = "Select a model…",
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disabled = false,
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id,
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label,
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favoriteProviders = [],
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onToggleFavorite,
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favoriteModels = [],
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onToggleModelFavorite,
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noChangeValue,
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noChangeLabel = "No change",
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}: CustomModelDropdownProps) {
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const [isOpen, setIsOpen] = useState(false);
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const [localFilter, setLocalFilter] = useState("");
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const [highlightedIndex, setHighlightedIndex] = useState(0);
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const [dropdownPosition, setDropdownPosition] = useState<DropdownPosition | null>(null);
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const [portalRoot, setPortalRoot] = useState<HTMLElement | null>(null);
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const containerRef = useRef<HTMLDivElement>(null);
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const triggerRef = useRef<HTMLButtonElement>(null);
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const dropdownRef = useRef<HTMLDivElement>(null);
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const searchInputRef = useRef<HTMLInputElement>(null);
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const listRef = useRef<HTMLDivElement>(null);
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// Filter models based on local filter text
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const filteredModels = useMemo(() => filterModels(models, localFilter), [models, localFilter]);
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// Group filtered models by provider and sort by favorites
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const modelsByProvider = useMemo(() => {
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return filteredModels.reduce<Record<string, ModelInfo[]>>((acc, m) => {
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(acc[m.provider] ??= []).push(m);
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return acc;
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}, {});
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}, [filteredModels]);
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// Build favorited model entries - models that are in the favoriteModels list and in filteredModels
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const favoritedModelEntries = useMemo(() => {
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const result: Array<{ model: ModelInfo; fullId: string }> = [];
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for (const fullId of favoriteModels) {
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const slashIdx = fullId.indexOf("/");
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if (slashIdx === -1) continue;
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const provider = fullId.slice(0, slashIdx);
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const modelId = fullId.slice(slashIdx + 1);
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const model = filteredModels.find((m) => m.provider === provider && m.id === modelId);
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if (model) {
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result.push({ model, fullId });
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}
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}
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return result;
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}, [favoriteModels, filteredModels]);
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// Sort providers: favorites first (in order), then alphabetically
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const sortedProviderEntries = useMemo(() => {
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const entries = Object.entries(modelsByProvider);
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const favoritesSet = new Set(favoriteProviders);
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return entries.sort(([a], [b]) => {
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const aFavorite = favoritesSet.has(a);
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const bFavorite = favoritesSet.has(b);
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if (aFavorite && !bFavorite) return -1;
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if (!aFavorite && bFavorite) return 1;
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// Both favorites: sort by favoriteProviders order
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if (aFavorite && bFavorite) {
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const aIdx = favoriteProviders.indexOf(a);
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const bIdx = favoriteProviders.indexOf(b);
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if (aIdx !== bIdx) return aIdx - bIdx;
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}
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// Neither favorite: alphabetical
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return a.localeCompare(b);
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});
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}, [modelsByProvider, favoriteProviders]);
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const hasNoChangeOption = typeof noChangeValue === "string" && noChangeValue.length > 0;
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// Get current provider from value
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const currentProvider = useMemo(() => {
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if (!value || (hasNoChangeOption && value === noChangeValue)) return null;
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const slashIdx = value.indexOf("/");
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return slashIdx === -1 ? null : value.slice(0, slashIdx);
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}, [hasNoChangeOption, noChangeValue, value]);
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const specialOptions = useMemo(() => {
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const options: Array<{ type: "default" | "no-change"; value: string; label: string }> = [];
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if (hasNoChangeOption) {
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options.push({ type: "no-change", value: noChangeValue, label: noChangeLabel });
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}
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options.push({ type: "default", value: "", label: "Use default" });
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return options;
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}, [hasNoChangeOption, noChangeLabel, noChangeValue]);
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// Build list of all selectable options (for keyboard navigation)
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// Includes special rows first (optional "No change" + "Use default"),
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// favorited models next, then provider groups.
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const optionsList = useMemo(() => {
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const options: Array<{ type: "default" | "no-change" | "provider" | "model" | "favorite"; value: string; label: string; provider?: string }> = [...specialOptions];
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// Add favorited models as pinned rows first
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for (const { model, fullId } of favoritedModelEntries) {
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options.push({
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type: "favorite",
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value: fullId,
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label: model.name,
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provider: model.provider,
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});
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}
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sortedProviderEntries.forEach(([provider, providerModels]) => {
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options.push({ type: "provider", value: `__group_${provider}`, label: provider, provider });
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providerModels.forEach((m) => {
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options.push({
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type: "model",
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value: `${m.provider}/${m.id}`,
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label: m.name,
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provider: m.provider,
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});
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});
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});
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return options;
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}, [favoritedModelEntries, sortedProviderEntries, specialOptions]);
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// Get current selection display text
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const selectedDisplayText = useMemo(() => {
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if (hasNoChangeOption && value === noChangeValue) {
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return noChangeLabel;
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}
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if (!value) return "Use default";
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const slashIdx = value.indexOf("/");
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if (slashIdx === -1) return value;
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const provider = value.slice(0, slashIdx);
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const modelId = value.slice(slashIdx + 1);
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const model = models.find((m) => m.provider === provider && m.id === modelId);
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return model?.name || value;
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}, [hasNoChangeOption, noChangeLabel, noChangeValue, value, models]);
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// Find index of current value in options list
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const currentValueIndex = useMemo(() => {
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return optionsList.findIndex((opt) => opt.value === value);
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}, [optionsList, value]);
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/**
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* Get the effective visible viewport dimensions, preferring
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* `window.visualViewport` when available (accounts for mobile virtual
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* keyboards, pinch-zoom, etc.) and falling back to `window` dimensions.
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*/
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const getEffectiveViewport = useCallback(() => {
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const vv = window.visualViewport;
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if (vv && vv.height > 0 && vv.width > 0) {
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return {
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width: vv.width,
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height: vv.height,
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offsetTop: vv.offsetTop,
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offsetLeft: vv.offsetLeft,
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};
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}
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return {
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width: window.innerWidth,
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height: window.innerHeight,
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offsetTop: 0,
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offsetLeft: 0,
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};
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}, []);
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const getPreferredDropdownHeight = useCallback(() => {
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const { height: viewportHeight } = getEffectiveViewport();
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const supportsMatchMedia = typeof window.matchMedia === "function";
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const isSmallMobile = supportsMatchMedia ? window.matchMedia("(max-width: 640px)").matches : false;
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const isMobile = supportsMatchMedia ? window.matchMedia("(max-width: 768px)").matches : false;
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if (viewportHeight <= 0) return 320;
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if (isSmallMobile) {
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return Math.min(viewportHeight * 0.6, 360);
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}
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if (isMobile) {
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return Math.min(viewportHeight * 0.7, 420);
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}
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return 320;
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}, [getEffectiveViewport]);
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const updateDropdownPosition = useCallback(() => {
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const trigger = triggerRef.current;
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if (!trigger) return;
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const rect = trigger.getBoundingClientRect();
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const { width: viewportWidth, height: viewportHeight, offsetTop, offsetLeft } = getEffectiveViewport();
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const horizontalPadding = 16;
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const verticalPadding = 16;
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const gap = 4;
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const preferredHeight = getPreferredDropdownHeight();
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// Calculate space below and above the trigger, relative to the visible viewport.
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// On mobile with a virtual keyboard, offsetTop/offsetLeft shift the origin.
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const triggerBottom = rect.bottom - offsetTop;
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const triggerTop = rect.top - offsetTop;
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const triggerLeft = rect.left - offsetLeft;
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const spaceBelow = viewportHeight - triggerBottom;
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const spaceAbove = triggerTop;
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const availableBelow = Math.max(spaceBelow - verticalPadding - gap, 160);
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const availableAbove = Math.max(spaceAbove - verticalPadding - gap, 160);
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// Determine if we should open upward
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// Open upward if: not enough space below AND enough space above
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const openUpward = spaceBelow < preferredHeight && spaceAbove > spaceBelow;
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const maxHeight = Math.max(
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Math.min(openUpward ? availableAbove : availableBelow, preferredHeight),
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160,
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);
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const dropdownWidth = Math.min(rect.width, viewportWidth - horizontalPadding * 2);
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const left = Math.min(
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Math.max(triggerLeft, horizontalPadding),
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viewportWidth - horizontalPadding - dropdownWidth,
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) + offsetLeft;
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const top = openUpward
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? Math.max(verticalPadding + offsetTop, triggerTop - maxHeight - gap + offsetTop)
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: Math.min(triggerBottom + gap + offsetTop, viewportHeight + offsetTop - verticalPadding - maxHeight);
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setDropdownPosition({
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top,
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left,
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width: dropdownWidth,
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maxHeight,
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});
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}, [getEffectiveViewport, getPreferredDropdownHeight]);
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useEffect(() => {
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setPortalRoot(document.body);
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}, []);
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// Reset highlighted index when opening
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useEffect(() => {
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if (isOpen) {
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const selectableIndex = optionsList.findIndex(
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(opt, idx) => idx >= (currentValueIndex >= 0 ? currentValueIndex : 0) && opt.type !== "provider"
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);
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setHighlightedIndex(selectableIndex >= 0 ? selectableIndex : 0);
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}
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}, [isOpen, optionsList, currentValueIndex]);
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// Focus search input and position dropdown when opening
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useEffect(() => {
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if (!isOpen) return;
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updateDropdownPosition();
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const rafId = requestAnimationFrame(() => searchInputRef.current?.focus());
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return () => cancelAnimationFrame(rafId);
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}, [isOpen, updateDropdownPosition]);
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// Keep portaled dropdown anchored during viewport and container scrolling.
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// Also reposition when the visual viewport changes (mobile virtual keyboard,
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// pinch-zoom, etc.).
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useEffect(() => {
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if (!isOpen) return;
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const handleReposition = () => updateDropdownPosition();
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window.addEventListener("resize", handleReposition);
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window.addEventListener("scroll", handleReposition, true);
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// Listen for visual viewport changes (virtual keyboard open/close, zoom)
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const vv = window.visualViewport;
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if (vv) {
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vv.addEventListener("resize", handleReposition);
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vv.addEventListener("scroll", handleReposition);
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}
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return () => {
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window.removeEventListener("resize", handleReposition);
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window.removeEventListener("scroll", handleReposition, true);
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if (vv) {
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vv.removeEventListener("resize", handleReposition);
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vv.removeEventListener("scroll", handleReposition);
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}
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};
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}, [isOpen, updateDropdownPosition]);
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// Click outside to close, treating both trigger container and portaled menu as inside.
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useEffect(() => {
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if (!isOpen) return;
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const handlePointerDown = (e: MouseEvent) => {
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const target = e.target as Node;
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const clickedInsideTrigger = containerRef.current?.contains(target);
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const clickedInsideDropdown = dropdownRef.current?.contains(target);
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if (!clickedInsideTrigger && !clickedInsideDropdown) {
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setIsOpen(false);
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setLocalFilter("");
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}
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};
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document.addEventListener("mousedown", handlePointerDown);
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return () => document.removeEventListener("mousedown", handlePointerDown);
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}, [isOpen]);
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// Keyboard navigation
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const handleKeyDown = useCallback(
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(e: React.KeyboardEvent) => {
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switch (e.key) {
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case "ArrowDown":
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e.preventDefault();
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if (!isOpen) {
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setIsOpen(true);
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} else {
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let nextIndex = highlightedIndex;
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for (let i = 1; i <= optionsList.length; i++) {
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const idx = (highlightedIndex + i) % optionsList.length;
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if (optionsList[idx]?.type !== "provider") {
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nextIndex = idx;
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break;
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}
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}
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setHighlightedIndex(nextIndex);
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}
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break;
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case "ArrowUp":
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e.preventDefault();
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if (isOpen) {
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let prevIndex = highlightedIndex;
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for (let i = 1; i <= optionsList.length; i++) {
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const idx = (highlightedIndex - i + optionsList.length) % optionsList.length;
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if (optionsList[idx]?.type !== "provider") {
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prevIndex = idx;
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break;
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}
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}
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setHighlightedIndex(prevIndex);
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}
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break;
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case "Enter":
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e.preventDefault();
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if (isOpen) {
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const option = optionsList[highlightedIndex];
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if (option && option.type !== "provider" && option.type !== "favorite") {
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onChange(option.value);
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setIsOpen(false);
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setLocalFilter("");
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}
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} else {
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setIsOpen(true);
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}
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break;
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case "Escape":
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e.preventDefault();
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setIsOpen(false);
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setLocalFilter("");
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break;
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case "Tab":
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if (isOpen) {
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setIsOpen(false);
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setLocalFilter("");
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}
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break;
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}
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},
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[isOpen, highlightedIndex, optionsList, onChange]
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);
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const handleSelect = useCallback(
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(optionValue: string) => {
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onChange(optionValue);
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setIsOpen(false);
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setLocalFilter("");
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},
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[onChange]
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);
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const handleClearFilter = useCallback(() => {
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setLocalFilter("");
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searchInputRef.current?.focus();
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}, []);
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const handleTriggerClick = useCallback(() => {
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if (!disabled) {
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setIsOpen((prev) => !prev);
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}
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}, [disabled]);
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// Scroll highlighted option into view
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useEffect(() => {
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if (isOpen && listRef.current) {
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const highlightedEl = listRef.current.querySelector(`[data-index="${highlightedIndex}"]`);
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if (highlightedEl && typeof highlightedEl.scrollIntoView === "function") {
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highlightedEl.scrollIntoView({ block: "nearest" });
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}
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}
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}, [highlightedIndex, isOpen]);
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const hasFilter = localFilter.length > 0;
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const dropdownContent = isOpen && dropdownPosition ? (
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<div
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ref={dropdownRef}
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className="model-combobox-dropdown model-combobox-dropdown--portal"
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role="listbox"
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data-testid="model-combobox-portal"
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onKeyDown={handleKeyDown}
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style={{
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top: `${dropdownPosition.top}px`,
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left: `${dropdownPosition.left}px`,
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width: `${dropdownPosition.width}px`,
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maxHeight: `${dropdownPosition.maxHeight}px`,
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}}
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>
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<div className="model-combobox-search-wrapper">
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<input
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ref={searchInputRef}
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type="text"
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className="model-combobox-search"
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placeholder="Filter models…"
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value={localFilter}
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onChange={(e) => setLocalFilter(e.target.value)}
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onClick={(e) => e.stopPropagation()}
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/>
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{hasFilter && (
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<button
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type="button"
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className="model-combobox-clear"
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onClick={handleClearFilter}
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aria-label="Clear filter"
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>
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×
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</button>
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)}
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</div>
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<div className="model-combobox-results-count">
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{filteredModels.length} model{filteredModels.length !== 1 ? "s" : ""}
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</div>
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<div ref={listRef} className="model-combobox-list">
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{specialOptions.map((option, index) => (
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<div
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key={`${option.type}-${option.value}`}
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data-index={index}
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className={`model-combobox-option ${highlightedIndex === index ? "model-combobox-option--highlighted" : ""} ${value === option.value ? "model-combobox-option--selected" : ""}`}
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onClick={() => handleSelect(option.value)}
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onMouseEnter={() => setHighlightedIndex(index)}
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role="option"
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aria-selected={value === option.value}
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>
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<span className="model-combobox-option-text model-combobox-option-text--default">{option.label}</span>
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</div>
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))}
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{/* Favorited models as pinned rows */}
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{favoritedModelEntries.length > 0 && (
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<>
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<div className="model-combobox-divider" />
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{favoritedModelEntries.map(({ model, fullId }, idx) => {
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||
const optionIndex = idx + specialOptions.length;
|
||
const isHighlighted = highlightedIndex === optionIndex;
|
||
const isSelected = value === fullId;
|
||
return (
|
||
<div
|
||
key={fullId}
|
||
data-index={optionIndex}
|
||
className={`model-combobox-option model-combobox-option--favorite ${isHighlighted ? "model-combobox-option--highlighted" : ""} ${isSelected ? "model-combobox-option--selected" : ""}`}
|
||
onClick={() => handleSelect(fullId)}
|
||
onMouseEnter={() => setHighlightedIndex(optionIndex)}
|
||
role="option"
|
||
aria-selected={isSelected}
|
||
>
|
||
<span className="model-combobox-option-main">
|
||
<span className="model-combobox-option-icon">
|
||
<ProviderIcon provider={model.provider} size="sm" />
|
||
</span>
|
||
<span className="model-combobox-option-text">{model.name}</span>
|
||
</span>
|
||
<span className="model-combobox-option-id">{model.id}</span>
|
||
{onToggleModelFavorite && (
|
||
<button
|
||
type="button"
|
||
className="model-combobox-option-favorite model-combobox-option-favorite--active"
|
||
onClick={(e) => {
|
||
e.stopPropagation();
|
||
onToggleModelFavorite(fullId);
|
||
}}
|
||
title="Remove from favorites"
|
||
aria-label={`Remove ${model.name} from favorites`}
|
||
>
|
||
★
|
||
</button>
|
||
)}
|
||
</div>
|
||
);
|
||
})}
|
||
<div className="model-combobox-divider" />
|
||
</>
|
||
)}
|
||
|
||
{sortedProviderEntries.map(([provider, providerModels]) => {
|
||
const groupStartIndex = optionsList.findIndex((opt) => opt.value === `__group_${provider}`);
|
||
const isFavorite = favoriteProviders.includes(provider);
|
||
|
||
// Filter out favorited models - they already appear in the favorites section
|
||
const nonFavoritedModels = providerModels.filter((m) => {
|
||
const optionValue = `${m.provider}/${m.id}`;
|
||
return !favoriteModels.includes(optionValue);
|
||
});
|
||
|
||
// Skip provider group if all models are favorited
|
||
if (nonFavoritedModels.length === 0) return null;
|
||
|
||
return (
|
||
<div key={provider} className="model-combobox-group">
|
||
<div className="model-combobox-optgroup" data-index={groupStartIndex}>
|
||
<ProviderIcon provider={provider} size="sm" />
|
||
<span className="model-combobox-optgroup-text">{provider}</span>
|
||
{onToggleFavorite && (
|
||
<button
|
||
type="button"
|
||
className={`model-combobox-optgroup-favorite ${isFavorite ? "model-combobox-optgroup-favorite--active" : ""}`}
|
||
onClick={(e) => {
|
||
e.stopPropagation();
|
||
onToggleFavorite(provider);
|
||
}}
|
||
title={isFavorite ? "Remove from favorites" : "Add to favorites"}
|
||
aria-label={isFavorite ? `Remove ${provider} from favorites` : `Add ${provider} to favorites`}
|
||
>
|
||
★
|
||
</button>
|
||
)}
|
||
</div>
|
||
{nonFavoritedModels.map((m) => {
|
||
const optionValue = `${m.provider}/${m.id}`;
|
||
const optionIndex = optionsList.findIndex((opt) => opt.value === optionValue);
|
||
const isHighlighted = highlightedIndex === optionIndex;
|
||
const isSelected = value === optionValue;
|
||
const isFavorited = favoriteModels.includes(optionValue);
|
||
|
||
return (
|
||
<div
|
||
key={optionValue}
|
||
data-index={optionIndex}
|
||
className={`model-combobox-option ${isHighlighted ? "model-combobox-option--highlighted" : ""} ${isSelected ? "model-combobox-option--selected" : ""}`}
|
||
onClick={() => handleSelect(optionValue)}
|
||
onMouseEnter={() => setHighlightedIndex(optionIndex)}
|
||
role="option"
|
||
aria-selected={isSelected}
|
||
>
|
||
<span className="model-combobox-option-text">{m.name}</span>
|
||
<span className="model-combobox-option-id">{m.id}</span>
|
||
{onToggleModelFavorite && (
|
||
<button
|
||
type="button"
|
||
className={`model-combobox-option-favorite ${isFavorited ? "model-combobox-option-favorite--active" : ""}`}
|
||
onClick={(e) => {
|
||
e.stopPropagation();
|
||
onToggleModelFavorite(optionValue);
|
||
}}
|
||
title={isFavorited ? "Remove from favorites" : "Add to favorites"}
|
||
aria-label={isFavorited ? `Remove ${m.name} from favorites` : `Add ${m.name} to favorites`}
|
||
>
|
||
{isFavorited ? "★" : "☆"}
|
||
</button>
|
||
)}
|
||
</div>
|
||
);
|
||
})}
|
||
</div>
|
||
);
|
||
})}
|
||
|
||
{filteredModels.length === 0 && hasFilter && (
|
||
<div className="model-combobox-no-results">No models match '{localFilter}'</div>
|
||
)}
|
||
</div>
|
||
</div>
|
||
) : null;
|
||
|
||
return (
|
||
<>
|
||
<div ref={containerRef} className="model-combobox" onKeyDown={handleKeyDown}>
|
||
<button
|
||
ref={triggerRef}
|
||
type="button"
|
||
id={id}
|
||
className="model-combobox-trigger"
|
||
onClick={handleTriggerClick}
|
||
disabled={disabled}
|
||
aria-haspopup="listbox"
|
||
aria-expanded={isOpen}
|
||
aria-label={label}
|
||
>
|
||
{currentProvider && (
|
||
<span className="model-combobox-trigger-icon">
|
||
<ProviderIcon provider={currentProvider} size="sm" />
|
||
</span>
|
||
)}
|
||
<span className="model-combobox-trigger-text">{selectedDisplayText || placeholder}</span>
|
||
<span className="model-combobox-trigger-arrow">▼</span>
|
||
</button>
|
||
</div>
|
||
{portalRoot && dropdownContent ? createPortal(dropdownContent, portalRoot) : null}
|
||
</>
|
||
);
|
||
}
|