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fix: Validate coordinate points before processing to prevent freeze

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Tanner Collin (aider)
2025-08-14 20:55:38 +00:00
parent 2adc0a9fcb
commit 13b35e1c00
1 changed files with 8 additions and 2 deletions
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10
mapper/src/App.js
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@@ -156,12 +156,18 @@ function Map({end, duration, slider, mapState, setMapState}) {
const range = useMemo(() => parseSlider(end, duration, slider), [end, duration, slider]);
const coords = useMemo(() => {
if (!data || !data.length) return [];
if (!Array.isArray(data)) return [];
const result = [];
const [startTime, endTime] = range;
for (const point of data) {
if ((!range || (point.time >= range[0] && point.time <= range[1]))) {
// Ensure the point and its time exist before checking the range
if (!point || !point.time) continue;
if (point.time >= startTime && point.time <= endTime) {
const { lat, lon } = point;
// Strictest possible check for valid, finite, numeric coordinates
if (typeof lat === 'number' && typeof lon === 'number' && isFinite(lat) && isFinite(lon)) {
result.push([lat, lon]);
}