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Export NSEW text creation function #61

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Merged
merged 2 commits into from
Sep 26, 2025
Merged

Export NSEW text creation function #61

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f525771
Export NSEW degrees text creation as its own function.
Carifio24 Sep 25, 2025
f1765f8
Add return type annotation.
Carifio24 Sep 25, 2025
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20 changes: 15 additions & 5 deletions src/mapbox.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -188,6 +188,20 @@ function searchParams(options: MapBoxForwardGeocodingOptions | MapBoxReverseGeoc
return search;
}

/**
* Obtain a string describing the given location in terms of NSEW directions - for example: 10° N, 25° W
* @param longitudeDeg The longitude of the location, in degrees
* @param latitudeDeg The latitude of the location, in degrees
* @returns A string describing the given coordinates
*/
export function latitudeLongitudeText(longitudeDeg: number, latitudeDeg: number): string {
const ns = latitudeDeg >= 0 ? 'N' : 'S';
const ew = longitudeDeg >= 0 ? 'E' : 'W';
const lat = Math.abs(latitudeDeg).toFixed(3);
const lon = Math.abs(longitudeDeg).toFixed(3);
return `${lat}° ${ns}, ${lon}° ${ew}`;
}

/**
* Obtain text describing a given longitude and latitude based on a MapBox reverse geocoding query
* @param longitudeDeg The longitude of the location, in degrees
Expand All @@ -202,11 +216,7 @@ export async function textForLocation(longitudeDeg: number, latitudeDeg: number,
.then(response => response.json())
.then((result: MapBoxFeatureCollection) => {
if (result.features.length === 0) {
const ns = latitudeDeg >= 0 ? 'N' : 'S';
const ew = longitudeDeg >= 0 ? 'E' : 'W';
const lat = Math.abs(latitudeDeg).toFixed(3);
const lon = Math.abs(longitudeDeg).toFixed(3);
return `${lat}° ${ns}, ${lon}° ${ew}`;
return latitudeLongitudeText(latitudeDeg, longitudeDeg);
}
return textForMapboxResults(result);
});
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