short-distance

Calculates the shortest distance from a starting point to multiple destinations.

Installation

npm install short-distance

Usage

const shortestDistance = require('short-distance');

const startingPoint = {
  latitude: 37.77,
  longitude: -122.41 
};

const options = [
  {
    latitude: 37.77, 
    longitude: -122.43 
  },
  {
    latitude: 37.79,
    longitude: -122.40
  }
];

const shortest = shortestDistance(startingPoint, options);

console.log(shortest.index); // Index of closest option
console.log(shortest.distance); // Distance to closest option in miles

How it works

This package uses the Haversine formula to calculate the great-circle distance between two points on a sphere. It iterates over the provided options array and keeps track of the option with the shortest distance from the starting point.

License

MIT License

Copyright (c) 2023 13x54r

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.