in lib/h3core.js [770:779]
export function cellToLatLng(h3Index) {
const latLng = C._malloc(SZ_LATLNG);
const [lower, upper] = h3IndexToSplitLong(h3Index);
try {
throwIfError(H3.cellToLatLng(lower, upper, latLng));
return readLatLng(latLng);
} finally {
C._free(latLng);
}
}