sugar/date/isBetween.js

A Javascript utility library for working with native objects.

'use strict';

var Sugar = require('sugar-core'),
    createDate = require('./internal/createDate'),
    mathAliases = require('../common/var/mathAliases');

var min = mathAliases.min,
    max = mathAliases.max;

Sugar.Date.defineInstance({

  'isBetween': function(date, d1, d2, margin) {
    var t  = date.getTime();
    var t1 = createDate(d1).getTime();
    var t2 = createDate(d2).getTime();
    var lo = min(t1, t2);
    var hi = max(t1, t2);
    margin = margin || 0;
    return (lo - margin <= t) && (hi + margin >= t);
  }

});

module.exports = Sugar.Date.isBetween;