brainspan
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When dealing with units of measure, Brainspan does the thinking so you don't have to.
80 lines (76 loc) • 1.88 kB
JavaScript
/* eslint-disable guard-for-in */
/* eslint-disable no-restricted-syntax */
/**
* @type {Object} Duration
*/
const Duration = require('../../Duration');
/**
* @type {Object} Mixin to allow numbers to be used to work with Durations
* @example
* NumericDuration.extend(Number.prototype);
* (4).weeks // returns a duration that represents the number of seconds in 4 weeks
*/
const NumericDuration = {
/**
* Pass the prototype you want to exend to NumericDuration.extend to grant it Duration methods
* @param {Object} prototype
*/
extend(prototype) {
const args = [
prototype,
this,
];
Array.prototype.slice.call(args, 1).forEach((source) => {
let descriptor;
let prop;
for (prop in source) {
descriptor = Object.getOwnPropertyDescriptor(source, prop);
Object.defineProperty(prototype, prop, descriptor);
}
});
return prototype;
},
get seconds() {
return new Duration(this.valueOf());
},
get second() {
return this.seconds;
},
get minutes() {
return new Duration(this.valueOf() * Duration.SECONDS_PER_MINUTE);
},
get minute() {
return this.minutes;
},
get hours() {
return new Duration(this.valueOf() * Duration.SECONDS_PER_HOUR);
},
get hour() {
return this.hours;
},
get days() {
return new Duration(this.valueOf() * Duration.SECONDS_PER_DAY);
},
get day() {
return this.days;
},
get weeks() {
return new Duration(this.valueOf() * Duration.SECONDS_PER_WEEK);
},
get week() {
return this.weeks;
},
get months() {
return new Duration(this.valueOf() * Duration.SECONDS_PER_MONTH);
},
get month() {
return this.months;
},
get years() {
return new Duration(this.valueOf() * Duration.SECONDS_PER_YEAR);
},
get year() {
return this.years;
},
};
module.exports = NumericDuration;