Refactor and other improvements

This commit is contained in:
Andras Schmelczer 2026-02-08 18:25:58 +00:00
parent 04a78e7bfe
commit 6c90cf3c0f
47 changed files with 2705 additions and 1568 deletions

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@ -0,0 +1,58 @@
import { ChevronIcon } from '../ui/icons';
import { LightbulbIcon } from '../ui/icons/LightbulbIcon';
interface AISummaryCardProps {
summary?: string;
loading?: boolean;
error?: string | null;
expanded: boolean;
onToggleExpanded: () => void;
}
export default function AISummaryCard({
summary,
loading,
error,
expanded,
onToggleExpanded,
}: AISummaryCardProps) {
if (!summary && !loading && !error) return null;
return (
<div className="px-3 pt-3 pb-1">
<div className="bg-teal-50 dark:bg-teal-900/20 border border-teal-200 dark:border-teal-800/50 rounded p-2.5">
<button
onClick={onToggleExpanded}
className="w-full flex items-center justify-between gap-1.5 mb-1.5"
>
<div className="flex items-center gap-1.5">
<LightbulbIcon className="w-3.5 h-3.5 text-teal-600 dark:text-teal-400" />
<span className="text-xs font-semibold text-teal-700 dark:text-teal-400">
AI Summary
</span>
</div>
<ChevronIcon
direction={expanded ? 'down' : 'right'}
className="w-3.5 h-3.5 text-teal-600 dark:text-teal-400"
/>
</button>
{expanded && (
<>
{error ? (
<div className="text-xs text-warm-600 dark:text-warm-400">
Failed to generate summary.
</div>
) : loading ? (
<div className="space-y-1.5">
<div className="h-3 bg-teal-200/60 dark:bg-teal-800/40 rounded animate-pulse w-full" />
<div className="h-3 bg-teal-200/60 dark:bg-teal-800/40 rounded animate-pulse w-4/5" />
</div>
) : (
<p className="text-xs text-warm-700 dark:text-warm-300 leading-relaxed">{summary}</p>
)}
</>
)}
</div>
</div>
);
}

View file

@ -1,4 +1,5 @@
import { useMemo, useState } from 'react';
import { useCollapsibleGroups } from '../../hooks/useCollapsibleGroups';
import type {
FeatureFilters,
FeatureMeta,
@ -15,13 +16,15 @@ import StackedBarChart from './StackedBarChart';
import StackedEnumChart from './StackedEnumChart';
import PriceHistoryChart from './PriceHistoryChart';
import ExternalSearchLinks from './ExternalSearchLinks';
import { InfoIcon, CloseIcon, ChevronIcon } from '../ui/icons';
import { InfoIcon, CloseIcon } from '../ui/icons';
import { CollapsibleGroupHeader } from '../ui/CollapsibleGroupHeader';
import { LightbulbIcon } from '../ui/icons/LightbulbIcon';
import { IconButton } from '../ui/IconButton';
import { FeatureInfoPopup } from '../ui/FeatureInfoPopup';
import { EmptyState } from '../ui/EmptyState';
import { FeatureLabel } from '../ui/FeatureLabel';
import AISummaryCard from './AISummaryCard';
import StreetViewEmbed from './StreetViewEmbed';
import HistogramLegend from './HistogramLegend';
interface AreaPaneProps {
stats: HexagonStatsResponse | null;
@ -60,17 +63,9 @@ export default function AreaPane({
const propertyCount = isPostcode && postcodeData ? postcodeData.properties.count : stats?.count;
const featureGroups = useMemo(() => groupFeaturesByCategory(globalFeatures), [globalFeatures]);
const [infoFeature, setInfoFeature] = useState<FeatureMeta | null>(null);
const [collapsedGroups, setCollapsedGroups] = useState<Set<string>>(new Set());
const [collapsedGroups, toggleGroup] = useCollapsibleGroups();
const [aiSummaryExpanded, setAiSummaryExpanded] = useState(true);
const toggleGroup = (name: string) =>
setCollapsedGroups((prev) => {
const next = new Set(prev);
if (next.has(name)) next.delete(name);
else next.add(name);
return next;
});
const numericByName = useMemo(() => {
if (!stats) return new Map();
return new Map(stats.numeric_features.map((feature) => [feature.name, feature]));
@ -138,78 +133,18 @@ export default function AreaPane({
)}
<div className="flex-1 overflow-y-auto">
{/* AI Summary Card */}
{(aiSummary || aiSummaryLoading || aiSummaryError) && (
<div className="px-3 pt-3 pb-1">
<div className="bg-teal-50 dark:bg-teal-900/20 border border-teal-200 dark:border-teal-800/50 rounded p-2.5">
<button
onClick={() => setAiSummaryExpanded(!aiSummaryExpanded)}
className="w-full flex items-center justify-between gap-1.5 mb-1.5"
>
<div className="flex items-center gap-1.5">
<LightbulbIcon className="w-3.5 h-3.5 text-teal-600 dark:text-teal-400" />
<span className="text-xs font-semibold text-teal-700 dark:text-teal-400">
AI Summary
</span>
</div>
<ChevronIcon
direction={aiSummaryExpanded ? 'down' : 'right'}
className="w-3.5 h-3.5 text-teal-600 dark:text-teal-400"
/>
</button>
{aiSummaryExpanded && (
<>
{aiSummaryError ? (
<div className="text-xs text-warm-600 dark:text-warm-400">
Failed to generate summary.
</div>
) : aiSummaryLoading ? (
<div className="space-y-1.5">
<div className="h-3 bg-teal-200/60 dark:bg-teal-800/40 rounded animate-pulse w-full" />
<div className="h-3 bg-teal-200/60 dark:bg-teal-800/40 rounded animate-pulse w-4/5" />
</div>
) : (
<p className="text-xs text-warm-700 dark:text-warm-300 leading-relaxed">
{aiSummary}
</p>
)}
</>
)}
</div>
</div>
)}
<AISummaryCard
summary={aiSummary}
loading={aiSummaryLoading}
error={aiSummaryError}
expanded={aiSummaryExpanded}
onToggleExpanded={() => setAiSummaryExpanded(!aiSummaryExpanded)}
/>
{loading && !stats ? (
<LoadingSkeleton />
) : stats ? (
<div>
{/* Histogram color legend */}
<div className="mx-3 mt-3 bg-teal-50 dark:bg-teal-900/20 border border-teal-200 dark:border-teal-800/50 rounded p-2.5 text-xs">
<div className="space-y-1.5">
<div className="flex items-center gap-2">
<div className="w-3 h-3 bg-teal-500 dark:bg-teal-400 rounded" />
<span className="text-warm-700 dark:text-warm-300">
<span className="font-medium text-warm-900 dark:text-warm-100">Teal bars</span>{' '}
show the distribution in this selected area
</span>
</div>
<div className="flex items-center gap-2">
<div className="w-3 h-3 bg-warm-300/60 dark:bg-warm-600/60 rounded" />
<span className="text-warm-700 dark:text-warm-300">
<span className="font-medium text-warm-900 dark:text-warm-100">Gray bars</span>{' '}
show the overall distribution across all areas
</span>
</div>
<div className="flex items-center gap-2">
<div className="w-3 h-px border-t border-dashed border-warm-500 dark:border-warm-400" />
<span className="text-warm-700 dark:text-warm-300">
<span className="font-medium text-warm-900 dark:text-warm-100">
Dashed line
</span>{' '}
indicates the global average
</span>
</div>
</div>
</div>
<HistogramLegend />
{featureGroups.map((group) => {
const hasData = group.features.some(
(feature) => numericByName.has(feature.name) || enumByName.has(feature.name)
@ -460,25 +395,7 @@ export default function AreaPane({
</div>
);
})}
{/* Google Street View */}
{hexagonLocation && (
<div>
<div className="px-3 py-1.5 text-xs font-bold text-warm-500 bg-warm-50 dark:bg-warm-900 dark:text-warm-400 sticky top-0">
Street View
</div>
<div className="px-3 py-2">
<div className="rounded overflow-hidden border border-warm-200 dark:border-warm-700">
<iframe
className="w-full"
style={{ height: 240, border: 0 }}
loading="lazy"
referrerPolicy="no-referrer-when-downgrade"
src={`https://maps.google.com/maps?layer=c&cbll=${hexagonLocation.lat},${hexagonLocation.lon}&cbp=11,0,0,0,0&output=svembed`}
/>
</div>
</div>
</div>
)}
{hexagonLocation && <StreetViewEmbed location={hexagonLocation} />}
</div>
) : null}
</div>

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@ -0,0 +1,129 @@
import { useState, useMemo, useEffect } from 'react';
import { useCollapsibleGroups } from '../../hooks/useCollapsibleGroups';
import { SearchInput } from '../ui/SearchInput';
import { FilterIcon } from '../ui/icons';
import { CollapsibleGroupHeader } from '../ui/CollapsibleGroupHeader';
import { EmptyState } from '../ui/EmptyState';
import type { FeatureMeta } from '../../types';
import { groupFeaturesByCategory } from '../../lib/features';
import { FeatureInfoPopup } from '../ui/FeatureInfoPopup';
import { FeatureActions } from '../ui/FeatureIcons';
import { FeatureLabel } from '../ui/FeatureLabel';
interface FeatureBrowserProps {
availableFeatures: FeatureMeta[];
allFeatures: FeatureMeta[];
pinnedFeature: string | null;
onAddFilter: (name: string) => void;
onTogglePin: (name: string) => void;
onNavigateToSource?: (slug: string, featureName: string) => void;
openInfoFeature?: string | null;
onClearOpenInfoFeature?: () => void;
}
export default function FeatureBrowser({
availableFeatures,
allFeatures,
pinnedFeature,
onAddFilter,
onTogglePin,
onNavigateToSource,
openInfoFeature,
onClearOpenInfoFeature,
}: FeatureBrowserProps) {
const [search, setSearch] = useState('');
const [infoFeature, setInfoFeature] = useState<FeatureMeta | null>(null);
const [expandedGroups, toggleGroup] = useCollapsibleGroups();
useEffect(() => {
if (openInfoFeature) {
const feat = allFeatures.find((f) => f.name === openInfoFeature);
if (feat) setInfoFeature(feat);
onClearOpenInfoFeature?.();
}
}, [openInfoFeature, allFeatures, onClearOpenInfoFeature]);
const filtered = useMemo(() => {
if (!search) return availableFeatures;
const lower = search.toLowerCase();
return availableFeatures.filter((f) => f.name.toLowerCase().includes(lower));
}, [availableFeatures, search]);
const grouped = useMemo(() => groupFeaturesByCategory(filtered), [filtered]);
// When searching, expand all groups so results are visible
const isSearching = search.length > 0;
return (
<>
<div className="shrink-0 p-2 border-b border-warm-200 dark:border-navy-700">
<SearchInput value={search} onChange={setSearch} placeholder="Search features..." />
</div>
<div className="md:min-h-0 md:flex-1 md:overflow-y-auto flex flex-col">
{grouped.map((group) => {
const isExpanded = isSearching || expandedGroups.has(group.name);
return (
<div key={group.name} className="shrink-0">
<CollapsibleGroupHeader
name={group.name}
expanded={isExpanded}
onToggle={() => toggleGroup(group.name)}
className="px-3 py-1.5 text-xs font-bold text-warm-500 bg-warm-50 dark:bg-navy-950 dark:text-warm-400 sticky top-0 hover:bg-warm-100 dark:hover:bg-warm-800"
>
<span className="text-[10px] font-medium text-warm-400 dark:text-warm-500">
{group.features.length}
</span>
</CollapsibleGroupHeader>
{isExpanded &&
group.features.map((f) => {
const isPinned = pinnedFeature === f.name;
return (
<div
key={f.name}
className="flex items-start justify-between px-3 py-1.5 hover:bg-teal-50 dark:hover:bg-teal-900/30 dark:text-warm-300"
>
<div className="min-w-0 mr-2">
<FeatureLabel feature={f} onShowInfo={setInfoFeature} size="sm" />
{f.description && (
<span className="text-xs text-warm-400 dark:text-warm-500 truncate block">
{f.description}
</span>
)}
</div>
<FeatureActions
feature={f}
isPinned={isPinned}
onTogglePin={onTogglePin}
onAdd={onAddFilter}
/>
</div>
);
})}
</div>
);
})}
{grouped.length === 0 ? (
<EmptyState
icon={<FilterIcon className="w-8 h-8 text-warm-300 dark:text-warm-600" />}
title={search ? 'No matching features' : 'All features are active'}
description={
search ? 'Try a different search term' : 'Remove a filter to see available features'
}
className="px-3 py-4"
/>
) : (
<p className="flex-1 flex items-center justify-center px-4 py-6 text-xs text-center text-warm-400 dark:text-warm-500">
Everyone cares about different things. Pick the filters that matter most to you.
</p>
)}
</div>
{infoFeature && (
<FeatureInfoPopup
feature={infoFeature}
onClose={() => setInfoFeature(null)}
onNavigateToSource={onNavigateToSource}
/>
)}
</>
);
}

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@ -1,16 +1,14 @@
import { memo, useState, useMemo, useEffect } from 'react';
import { memo, useState } from 'react';
import { Slider } from '../ui/Slider';
import { SearchInput } from '../ui/SearchInput';
import { FilterIcon, LightbulbIcon } from '../ui/icons';
import { CollapsibleGroupHeader } from '../ui/CollapsibleGroupHeader';
import { EmptyState } from '../ui/EmptyState';
import type { FeatureMeta, FeatureFilters } from '../../types';
import { formatFilterValue } from '../../lib/format';
import { groupFeaturesByCategory } from '../../lib/features';
import InfoPopup from '../ui/InfoPopup';
import { FeatureInfoPopup } from '../ui/FeatureInfoPopup';
import { FeatureActions } from '../ui/FeatureIcons';
import { FeatureLabel } from '../ui/FeatureLabel';
import FeatureBrowser from './FeatureBrowser';
interface FiltersProps {
features: FeatureMeta[];
@ -35,130 +33,6 @@ interface FiltersProps {
onClearOpenInfoFeature?: () => void;
}
function FeatureBrowser({
availableFeatures,
allFeatures,
pinnedFeature,
onAddFilter,
onTogglePin,
onNavigateToSource,
openInfoFeature,
onClearOpenInfoFeature,
}: {
availableFeatures: FeatureMeta[];
allFeatures: FeatureMeta[];
pinnedFeature: string | null;
onAddFilter: (name: string) => void;
onTogglePin: (name: string) => void;
onNavigateToSource?: (slug: string, featureName: string) => void;
openInfoFeature?: string | null;
onClearOpenInfoFeature?: () => void;
}) {
const [search, setSearch] = useState('');
const [infoFeature, setInfoFeature] = useState<FeatureMeta | null>(null);
const [expandedGroups, setExpandedGroups] = useState<Set<string>>(new Set());
const toggleGroup = (name: string) =>
setExpandedGroups((prev) => {
const next = new Set(prev);
if (next.has(name)) next.delete(name);
else next.add(name);
return next;
});
useEffect(() => {
if (openInfoFeature) {
const feat = allFeatures.find((f) => f.name === openInfoFeature);
if (feat) setInfoFeature(feat);
onClearOpenInfoFeature?.();
}
}, [openInfoFeature, allFeatures, onClearOpenInfoFeature]);
const filtered = useMemo(() => {
if (!search) return availableFeatures;
const lower = search.toLowerCase();
return availableFeatures.filter((f) => f.name.toLowerCase().includes(lower));
}, [availableFeatures, search]);
const grouped = useMemo(() => groupFeaturesByCategory(filtered), [filtered]);
// When searching, expand all groups so results are visible
const isSearching = search.length > 0;
return (
<>
<div className="shrink-0 p-2 border-b border-warm-200 dark:border-navy-700">
<SearchInput value={search} onChange={setSearch} placeholder="Search features..." />
</div>
<div className="md:min-h-0 md:flex-1 md:overflow-y-auto flex flex-col">
{grouped.map((group) => {
const isExpanded = isSearching || expandedGroups.has(group.name);
return (
<div key={group.name} className="shrink-0">
<CollapsibleGroupHeader
name={group.name}
expanded={isExpanded}
onToggle={() => toggleGroup(group.name)}
className="px-3 py-1.5 text-xs font-bold text-warm-500 bg-warm-50 dark:bg-navy-950 dark:text-warm-400 sticky top-0 hover:bg-warm-100 dark:hover:bg-warm-800"
>
<span className="text-[10px] font-medium text-warm-400 dark:text-warm-500">
{group.features.length}
</span>
</CollapsibleGroupHeader>
{isExpanded &&
group.features.map((f) => {
const isPinned = pinnedFeature === f.name;
return (
<div
key={f.name}
className="flex items-start justify-between px-3 py-1.5 hover:bg-teal-50 dark:hover:bg-teal-900/30 dark:text-warm-300"
>
<div className="min-w-0 mr-2">
<FeatureLabel feature={f} onShowInfo={setInfoFeature} size="sm" />
{f.description && (
<span className="text-xs text-warm-400 dark:text-warm-500 truncate block">
{f.description}
</span>
)}
</div>
<FeatureActions
feature={f}
isPinned={isPinned}
onTogglePin={onTogglePin}
onAdd={onAddFilter}
/>
</div>
);
})}
</div>
);
})}
{grouped.length === 0 ? (
<EmptyState
icon={<FilterIcon className="w-8 h-8 text-warm-300 dark:text-warm-600" />}
title={search ? 'No matching features' : 'All features are active'}
description={
search ? 'Try a different search term' : 'Remove a filter to see available features'
}
className="px-3 py-4"
/>
) : (
<p className="flex-1 flex items-center justify-center px-4 py-6 text-xs text-center text-warm-400 dark:text-warm-500">
Everyone cares about different things. Pick the filters that matter most to you.
</p>
)}
</div>
{infoFeature && (
<FeatureInfoPopup
feature={infoFeature}
onClose={() => setInfoFeature(null)}
onNavigateToSource={onNavigateToSource}
/>
)}
</>
);
}
export default memo(function Filters({
features,
filters,

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@ -0,0 +1,29 @@
export default function HistogramLegend() {
return (
<div className="mx-3 mt-3 bg-teal-50 dark:bg-teal-900/20 border border-teal-200 dark:border-teal-800/50 rounded p-2.5 text-xs">
<div className="space-y-1.5">
<div className="flex items-center gap-2">
<div className="w-3 h-3 bg-teal-500 dark:bg-teal-400 rounded" />
<span className="text-warm-700 dark:text-warm-300">
<span className="font-medium text-warm-900 dark:text-warm-100">Teal bars</span> show the
distribution in this selected area
</span>
</div>
<div className="flex items-center gap-2">
<div className="w-3 h-3 bg-warm-300/60 dark:bg-warm-600/60 rounded" />
<span className="text-warm-700 dark:text-warm-300">
<span className="font-medium text-warm-900 dark:text-warm-100">Gray bars</span> show the
overall distribution across all areas
</span>
</div>
<div className="flex items-center gap-2">
<div className="w-3 h-px border-t border-dashed border-warm-500 dark:border-warm-400" />
<span className="text-warm-700 dark:text-warm-300">
<span className="font-medium text-warm-900 dark:text-warm-100">Dashed line</span>{' '}
indicates the global average
</span>
</div>
</div>
</div>
);
}

View file

@ -2,14 +2,10 @@ import { useCallback, useRef, useEffect, useState, useMemo, memo } from 'react';
import { Map as MapGL, useControl } from 'react-map-gl/maplibre';
import type { MapRef } from 'react-map-gl/maplibre';
import { MapboxOverlay } from '@deck.gl/mapbox';
import { H3HexagonLayer } from '@deck.gl/geo-layers';
import { GeoJsonLayer, IconLayer, TextLayer } from '@deck.gl/layers';
import type { PickingInfo } from '@deck.gl/core';
import 'maplibre-gl/dist/maplibre-gl.css';
import type {
HexagonData,
PostcodeFeature,
PostcodeProperties,
ViewState,
ViewChangeParams,
POI,
@ -17,30 +13,13 @@ import type {
Bounds,
} from '../../types';
import {
GRADIENT,
normalizedToColor,
countToColor,
zoomToResolution,
getBoundsFromViewState,
emojiToTwemojiUrl,
getMapStyle,
DENSITY_GRADIENT,
DENSITY_GRADIENT_DARK,
} from '../../lib/map-utils';
import { zoomToResolution, getBoundsFromViewState, getMapStyle } from '../../lib/map-utils';
import { INITIAL_VIEW_STATE, MAP_MIN_ZOOM, MAP_BOUNDS } from '../../lib/consts';
import PostcodeSearch, { type SearchedPostcode } from './PostcodeSearch';
import MapLegend from './MapLegend';
import HoverCard from './HoverCard';
import type { FeatureFilters } from '../../types';
/** Convert POI id (e.g. "n12345") to OpenStreetMap URL */
function osmIdToUrl(id: string): string | null {
const match = id.match(/^([nwr])(\d+)$/);
if (!match) return null;
const typeMap: Record<string, string> = { n: 'node', w: 'way', r: 'relation' };
return `https://www.openstreetmap.org/${typeMap[match[1]]}/${match[2]}`;
}
import { useDeckLayers, osmIdToUrl } from '../../hooks/useDeckLayers';
interface MapProps {
data: HexagonData[];
@ -123,7 +102,6 @@ export default memo(function Map({
const containerRef = useRef<HTMLDivElement>(null);
const [viewState, setViewState] = useState<ViewState>(initialViewState || INITIAL_VIEW_STATE);
const [dimensions, setDimensions] = useState<Dimensions>({ width: 0, height: 0 });
const [hoverPosition, setHoverPosition] = useState<{ x: number; y: number } | null>(null);
useEffect(() => {
const container = containerRef.current;
@ -165,9 +143,6 @@ export default memo(function Map({
setViewState((prev) => ({ ...prev, latitude: lat, longitude: lng, zoom }));
}, []);
const themeRef = useRef(theme);
themeRef.current = theme;
const handleMapLoad = useCallback(
(_evt: { target: MapRef['getMap'] extends () => infer M ? M : never }) => {
// Road opacity is set in getMapStyle
@ -177,425 +152,31 @@ export default memo(function Map({
const mapStyle = useMemo(() => getMapStyle(theme), [theme]);
const [popupInfo, setPopupInfo] = useState<{
x: number;
y: number;
name: string;
category: string;
id: string;
} | null>(null);
const handlePoiHover = useCallback((info: PickingInfo<POI>) => {
if (info.object && info.x !== undefined && info.y !== undefined) {
setPopupInfo({
x: info.x,
y: info.y,
name: info.object.name,
category: info.object.category,
id: info.object.id,
});
} else {
setPopupInfo(null);
}
}, []);
const countRange = useMemo(() => {
if (data.length === 0) return { min: 0, max: 1 };
let min = Infinity;
let max = -Infinity;
for (const d of data) {
if (viewportBounds) {
if (
d.lat < viewportBounds.south ||
d.lat > viewportBounds.north ||
d.lon < viewportBounds.west ||
d.lon > viewportBounds.east
)
continue;
}
const c = d.count as number;
if (c < min) min = c;
if (c > max) max = c;
}
if (min === Infinity) return { min: 0, max: 1 };
if (min === max) return { min, max: min + 1 };
return { min, max };
}, [data, viewportBounds]);
const colorFeatureMeta = useMemo(
() => (viewFeature ? features.find((f) => f.name === viewFeature) || null : null),
[viewFeature, features]
);
const viewFeatureRef = useRef(viewFeature);
viewFeatureRef.current = viewFeature;
const colorRangeRef = useRef(colorRange);
colorRangeRef.current = colorRange;
const filterRangeRef = useRef(filterRange);
filterRangeRef.current = filterRange;
const colorFeatureMetaRef = useRef(colorFeatureMeta);
colorFeatureMetaRef.current = colorFeatureMeta;
const countRangeRef = useRef(countRange);
countRangeRef.current = countRange;
const selectedHexagonIdRef = useRef(selectedHexagonId);
selectedHexagonIdRef.current = selectedHexagonId;
const hoveredHexagonIdRef = useRef(hoveredHexagonId);
hoveredHexagonIdRef.current = hoveredHexagonId;
const onHexagonClickRef = useRef(onHexagonClick);
onHexagonClickRef.current = onHexagonClick;
const handleHexagonClick = useCallback((info: PickingInfo<HexagonData>) => {
if (info.object && 'h3' in info.object) {
onHexagonClickRef.current(info.object.h3);
}
}, []);
const onHexagonHoverRef = useRef(onHexagonHover);
onHexagonHoverRef.current = onHexagonHover;
const handleHexagonHover = useCallback((info: PickingInfo<HexagonData>) => {
if (info.object && 'h3' in info.object && info.x !== undefined && info.y !== undefined) {
setHoverPosition({ x: info.x, y: info.y });
onHexagonHoverRef.current(info.object.h3, info.x, info.y);
} else {
setHoverPosition(null);
onHexagonHoverRef.current(null);
}
}, []);
const handlePoiHoverRef = useRef(handlePoiHover);
handlePoiHoverRef.current = handlePoiHover;
const stablePoiHover = useCallback((info: PickingInfo<POI>) => {
handlePoiHoverRef.current(info);
}, []);
// Compute count range for postcodes (similar to hexagons)
const postcodeCountRange = useMemo(() => {
if (postcodeData.length === 0) return { min: 0, max: 1 };
let min = Infinity;
let max = -Infinity;
for (const d of postcodeData) {
if (viewportBounds) {
const [lng, lat] = d.properties.centroid as [number, number];
if (
lat < viewportBounds.south ||
lat > viewportBounds.north ||
lng < viewportBounds.west ||
lng > viewportBounds.east
)
continue;
}
const c = d.properties.count;
if (c < min) min = c;
if (c > max) max = c;
}
if (min === Infinity) return { min: 0, max: 1 };
if (min === max) return { min, max: min + 1 };
return { min, max };
}, [postcodeData, viewportBounds]);
const postcodeCountRangeRef = useRef(postcodeCountRange);
postcodeCountRangeRef.current = postcodeCountRange;
// Track selected/hovered postcode for styling
const [selectedPostcode, setSelectedPostcode] = useState<string | null>(null);
const [hoveredPostcode, setHoveredPostcode] = useState<string | null>(null);
const selectedPostcodeRef = useRef(selectedPostcode);
selectedPostcodeRef.current = selectedPostcode;
const hoveredPostcodeRef = useRef(hoveredPostcode);
hoveredPostcodeRef.current = hoveredPostcode;
// eslint-disable-next-line @typescript-eslint/no-explicit-any
const handlePostcodeClick = useCallback((info: PickingInfo<any>) => {
const pc = info.object?.properties?.postcode;
if (pc) {
setSelectedPostcode((prev) => (prev === pc ? null : pc));
onHexagonClickRef.current(pc, true);
}
}, []);
// eslint-disable-next-line @typescript-eslint/no-explicit-any
const handlePostcodeHoverCallback = useCallback((info: PickingInfo<any>) => {
const pc = info.object?.properties?.postcode;
if (pc && info.x !== undefined && info.y !== undefined) {
setHoveredPostcode(pc);
setHoverPosition({ x: info.x, y: info.y });
onHexagonHoverRef.current(pc, info.x, info.y);
} else {
setHoveredPostcode(null);
setHoverPosition(null);
onHexagonHoverRef.current(null);
}
}, []);
const isDark = theme === 'dark';
const densityGradient = isDark ? DENSITY_GRADIENT_DARK : DENSITY_GRADIENT;
const densityGradientRef = useRef(densityGradient);
densityGradientRef.current = densityGradient;
const isDarkRef = useRef(isDark);
isDarkRef.current = isDark;
const colorTrigger = `${viewFeature}|${colorRange?.[0]}|${colorRange?.[1]}|${filterRange?.[0]}|${filterRange?.[1]}|${countRange.min}|${countRange.max}|${selectedHexagonId}|${hoveredHexagonId}|${theme}`;
const postcodeColorTrigger = `${viewFeature}|${colorRange?.[0]}|${colorRange?.[1]}|${filterRange?.[0]}|${filterRange?.[1]}|${postcodeCountRange.min}|${postcodeCountRange.max}|${selectedPostcode}|${hoveredPostcode}|${theme}`;
const hexLayer = useMemo(
() =>
new H3HexagonLayer<HexagonData>({
id: 'h3-hexagons',
data,
getHexagon: (d) => d.h3,
getFillColor: (d) => {
const vf = viewFeatureRef.current;
const clr = colorRangeRef.current;
const fr = filterRangeRef.current;
const cfm = colorFeatureMetaRef.current;
const dark = isDarkRef.current;
if (vf && clr && cfm) {
const val = d[`avg_${vf}`] ?? d[`min_${vf}`];
if (val == null)
return (dark ? [80, 70, 65, 80] : [128, 128, 128, 80]) as [
number,
number,
number,
number,
];
if (fr) {
const minVal = d[`min_${vf}`] as number;
const maxVal = d[`max_${vf}`] as number;
if (maxVal < fr[0] || minVal > fr[1]) {
return (dark ? [60, 55, 50, 60] : [180, 180, 180, 60]) as [
number,
number,
number,
number,
];
}
}
const range = clr[1] - clr[0];
if (range === 0) return [...GRADIENT[0].color, 255] as [number, number, number, number];
const t = ((val as number) - clr[0]) / range;
const rgb = normalizedToColor(Math.max(0, Math.min(1, t)));
return [...rgb, 255] as [number, number, number, number];
}
const cr = countRangeRef.current;
const c = d.count as number;
const t = (c - cr.min) / (cr.max - cr.min);
return [
...countToColor(Math.max(0, Math.min(1, t)), densityGradientRef.current),
255,
] as [number, number, number, number];
},
getLineColor: (d) => {
if (d.h3 === selectedHexagonIdRef.current)
return [255, 255, 255, 255] as [number, number, number, number];
if (d.h3 === hoveredHexagonIdRef.current)
return [29, 228, 195, 200] as [number, number, number, number];
return [0, 0, 0, 0] as [number, number, number, number];
},
getLineWidth: (d) => {
if (d.h3 === selectedHexagonIdRef.current) return 3;
if (d.h3 === hoveredHexagonIdRef.current) return 2;
return 0;
},
lineWidthUnits: 'pixels',
updateTriggers: {
getFillColor: [colorTrigger],
getLineColor: [colorTrigger],
getLineWidth: [colorTrigger],
},
extruded: false,
pickable: true,
opacity: 1,
highPrecision: true,
onClick: handleHexagonClick,
onHover: handleHexagonHover,
// @ts-expect-error beforeId is a MapboxOverlay interleave prop, not typed in LayerProps
beforeId: 'landuse_park',
}),
[data, colorTrigger, handleHexagonClick, handleHexagonHover]
);
const postcodeLayer = useMemo(
() =>
new GeoJsonLayer<PostcodeProperties>({
id: 'postcode-polygons',
data: postcodeData as PostcodeFeature[],
getFillColor: (f) => {
const d = f.properties;
const vf = viewFeatureRef.current;
const clr = colorRangeRef.current;
const fr = filterRangeRef.current;
const cfm = colorFeatureMetaRef.current;
const dark = isDarkRef.current;
if (vf && clr && cfm) {
const val = d[`avg_${vf}`] ?? d[`min_${vf}`];
if (val == null)
return (dark ? [80, 70, 65, 80] : [128, 128, 128, 80]) as [
number,
number,
number,
number,
];
if (fr) {
const minVal = d[`min_${vf}`] as number;
const maxVal = d[`max_${vf}`] as number;
if (maxVal < fr[0] || minVal > fr[1]) {
return (dark ? [60, 55, 50, 60] : [180, 180, 180, 60]) as [
number,
number,
number,
number,
];
}
}
const range = clr[1] - clr[0];
if (range === 0) return [...GRADIENT[0].color, 180] as [number, number, number, number];
const t = ((val as number) - clr[0]) / range;
const rgb = normalizedToColor(Math.max(0, Math.min(1, t)));
return [...rgb, 180] as [number, number, number, number];
}
const cr = postcodeCountRangeRef.current;
const c = d.count;
const t = (c - cr.min) / (cr.max - cr.min);
return [
...countToColor(Math.max(0, Math.min(1, t)), densityGradientRef.current),
180,
] as [number, number, number, number];
},
getLineColor: (f) => {
const pc = f.properties.postcode;
const dark = isDarkRef.current;
if (pc === selectedPostcodeRef.current)
return [255, 255, 255, 255] as [number, number, number, number];
if (pc === hoveredPostcodeRef.current)
return [29, 228, 195, 200] as [number, number, number, number];
return (dark ? [180, 170, 160, 100] : [100, 100, 100, 150]) as [
number,
number,
number,
number,
];
},
getLineWidth: (f) => {
const pc = f.properties.postcode;
if (pc === selectedPostcodeRef.current) return 3;
if (pc === hoveredPostcodeRef.current) return 2;
return 1;
},
lineWidthUnits: 'pixels',
updateTriggers: {
getFillColor: [postcodeColorTrigger],
getLineColor: [postcodeColorTrigger],
getLineWidth: [postcodeColorTrigger],
},
extruded: false,
pickable: true,
onClick: handlePostcodeClick,
onHover: handlePostcodeHoverCallback,
// @ts-expect-error beforeId is a MapboxOverlay interleave prop, not typed in LayerProps
beforeId: 'landuse_park',
}),
[postcodeData, postcodeColorTrigger, handlePostcodeClick, handlePostcodeHoverCallback]
);
const postcodeLabelsLayer = useMemo(
() =>
new TextLayer<PostcodeFeature>({
id: 'postcode-labels',
data: postcodeData,
getPosition: (f) => f.properties.centroid,
getText: (f) => f.properties.postcode,
getSize: 12,
getColor: theme === 'dark' ? [255, 255, 255, 240] : [40, 40, 40, 220],
getTextAnchor: 'middle',
getAlignmentBaseline: 'center',
fontFamily: 'Inter, system-ui, sans-serif',
fontWeight: 600,
outlineWidth: 2,
outlineColor: theme === 'dark' ? [30, 30, 30, 200] : [255, 255, 255, 200],
sizeUnits: 'pixels',
sizeMinPixels: 10,
sizeMaxPixels: 14,
billboard: false,
pickable: false,
}),
[postcodeData, theme]
);
const poiLayer = useMemo(
() =>
new IconLayer<POI>({
id: 'poi-icons',
data: pois,
getPosition: (d) => [d.lng, d.lat],
getIcon: (d) => ({
url: emojiToTwemojiUrl(d.emoji),
width: 72,
height: 72,
}),
getSize: 24,
sizeMinPixels: 20,
sizeMaxPixels: 40,
pickable: true,
onHover: stablePoiHover,
}),
[pois, stablePoiHover]
);
// Check if the searched postcode has data (passes current filters)
const searchedPostcodeHasData = useMemo(() => {
if (!searchedPostcode) return false;
return postcodeData.some((f) => f.properties.postcode === searchedPostcode.postcode);
}, [searchedPostcode, postcodeData]);
// Highlight layer for searched postcode
const searchedPostcodeHighlightLayer = useMemo(() => {
if (!searchedPostcode) return null;
const hasData = searchedPostcodeHasData;
const feature = {
type: 'Feature' as const,
geometry: searchedPostcode.geometry,
properties: {},
};
return new GeoJsonLayer({
id: 'searched-postcode-highlight',
data: [feature],
getFillColor: hasData
? [29, 228, 195, 40] // teal tint when has data
: [255, 180, 0, 30], // orange tint when filtered out
getLineColor: hasData
? [29, 228, 195, 255] // solid teal when has data
: [255, 180, 0, 200], // orange when filtered out (no matching properties)
getLineWidth: hasData ? 4 : 3,
lineWidthUnits: 'pixels',
stroked: true,
filled: true,
pickable: false,
});
}, [searchedPostcode, searchedPostcodeHasData]);
const layers = useMemo(() => {
const baseLayers = usePostcodeView
? [postcodeLayer, postcodeLabelsLayer, poiLayer]
: [hexLayer, poiLayer];
if (searchedPostcodeHighlightLayer) {
return [...baseLayers, searchedPostcodeHighlightLayer];
}
return baseLayers;
}, [
const {
layers,
popupInfo,
hoverPosition,
countRange,
postcodeCountRange,
colorFeatureMeta,
handleMouseLeave,
} = useDeckLayers({
data,
postcodeData,
usePostcodeView,
hexLayer,
postcodeLayer,
postcodeLabelsLayer,
poiLayer,
searchedPostcodeHighlightLayer,
]);
const handleMouseLeave = useCallback(() => {
setHoverPosition(null);
setHoveredPostcode(null);
setPopupInfo(null);
onHexagonHoverRef.current(null);
}, []);
pois,
viewFeature,
colorRange,
filterRange,
features,
selectedHexagonId,
hoveredHexagonId,
onHexagonClick,
onHexagonHover,
theme,
searchedPostcode,
bounds: viewportBounds,
});
return (
<div className="flex-1 h-full relative" ref={containerRef} onMouseLeave={handleMouseLeave}>

View file

@ -201,7 +201,7 @@ export default function MapPage({
.then((blob) => {
const link = document.createElement('a');
link.href = URL.createObjectURL(blob);
link.download = 'narrowit-export.xlsx';
link.download = 'perfect-postcodes-export.xlsx';
link.click();
URL.revokeObjectURL(link.href);
})

View file

@ -1,4 +1,5 @@
import { useState, useCallback } from 'react';
import { useCollapsibleGroups } from '../../hooks/useCollapsibleGroups';
import type { POICategoryGroup } from '../../types';
import InfoPopup from '../ui/InfoPopup';
import { SearchInput } from '../ui/SearchInput';
@ -21,7 +22,7 @@ export default function POIPane({
onNavigateToSource,
}: POIPaneProps) {
const [searchTerm, setSearchTerm] = useState('');
const [collapsedGroups, setCollapsedGroups] = useState<Set<string>>(new Set());
const [collapsedGroups, toggleCollapse] = useCollapsibleGroups();
const [showInfo, setShowInfo] = useState(false);
const allCategories = groups.flatMap((g) => g.categories);
@ -60,18 +61,6 @@ export default function POIPane({
[groups, selectedCategories, onCategoriesChange]
);
const toggleCollapse = (groupName: string) => {
setCollapsedGroups((prev) => {
const next = new Set(prev);
if (next.has(groupName)) {
next.delete(groupName);
} else {
next.add(groupName);
}
return next;
});
};
const lowerSearch = searchTerm.toLowerCase();
const filteredGroups = groups

View file

@ -0,0 +1,26 @@
import type { HexagonLocation } from '../../lib/external-search';
interface StreetViewEmbedProps {
location: HexagonLocation;
}
export default function StreetViewEmbed({ location }: StreetViewEmbedProps) {
return (
<div>
<div className="px-3 py-1.5 text-xs font-bold text-warm-500 bg-warm-50 dark:bg-warm-900 dark:text-warm-400 sticky top-0">
Street View
</div>
<div className="px-3 py-2">
<div className="rounded overflow-hidden border border-warm-200 dark:border-warm-700">
<iframe
className="w-full"
style={{ height: 240, border: 0 }}
loading="lazy"
referrerPolicy="no-referrer-when-downgrade"
src={`https://maps.google.com/maps?layer=c&cbll=${location.lat},${location.lon}&cbp=11,0,0,0,0&output=svembed`}
/>
</div>
</div>
</div>
);
}