36 lines
1.1 KiB
JavaScript
36 lines
1.1 KiB
JavaScript
export const formatPhoneNumber = (phone) => {
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if (!phone) return '';
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return phone.replace(/(\d{2})(\d{4})(\d+)/, '$1-$2-$3');
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};
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export const validateGPS = (lat, lng) => {
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const latNum = parseFloat(lat);
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const lngNum = parseFloat(lng);
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if (isNaN(latNum) || isNaN(lngNum)) {
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return { valid: false, message: 'Ungültige GPS-Koordinaten' };
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}
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if (latNum < -90 || latNum > 90) {
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return { valid: false, message: 'Latitude muss zwischen -90 und 90 liegen' };
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}
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if (lngNum < -180 || lngNum > 180) {
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return { valid: false, message: 'Longitude muss zwischen -180 und 180 liegen' };
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}
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return { valid: true };
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};
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export const calculateDistance = (lat1, lng1, lat2, lng2) => {
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const R = 6371; // Radius der Erde in km
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const dLat = (lat2 - lat1) * Math.PI / 180;
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const dLng = (lng2 - lng1) * Math.PI / 180;
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const a =
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Math.sin(dLat/2) * Math.sin(dLat/2) +
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Math.cos(lat1 * Math.PI / 180) * Math.cos(lat2 * Math.PI / 180) *
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Math.sin(dLng/2) * Math.sin(dLng/2);
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const c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a));
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return R * c;
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};
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