A simple haversine formula module for Node.js
I created this small module for an application I created and figured I would package it up to share.
$ npm install haversine
var haversine = require('haversine')
start = {
latitude: 30.849635,
longitude: -83.24559
}
end = {
latitude: 27.950575,
longitude: -82.457178
}
console.log(haversine(start, end))
console.log(haversine(start, end, {unit: 'km'}))
console.log(haversine(start, end, {threshold: 1}))
console.log(haversine(start, end, {threshold: 1, unit: 'km'}))
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