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/**
* Simple generic stats collection script for events occurances (etc)
*
* Version: v2.0.0
* Developer: Marzavec ( https://github.com/marzavec )
* License: WTFPL ( http://www.wtfpl.net/txt/copying/ )
*
*/
'use strict';
class Stats {
/**
* Create a stats instance.
*
*/
constructor () {
this._stats = {};
}
/**
* Retrieve value of arbitrary `key` reference
*
* @param {String} key Reference to the arbitrary store name
*/
get (key) {
return this._stats[key];
}
/**
* Set value of arbitrary `key` reference
*
* @param {String} key Reference to the arbitrary store name
* @param {Number} value New value for `key`
*/
set (key, value) {
this._stats[key] = value;
}
/**
* Increase value of arbitrary `key` reference, by 1 or `amount`
*
* @param {String} key Reference to the arbitrary store name
* @param {Number} amount Value to increase `key` by, or 1 if omitted
*/
increment (key, amount) {
this.set(key, (this.get(key) || 0) + (amount || 1));
}
/**
* Reduce value of arbitrary `key` reference, by 1 or `amount`
*
* @param {String} key Reference to the arbitrary store name
* @param {Number} amount Value to decrease `key` by, or 1 if omitted
*/
decrement (key, amount) {
this.set(key, (this.get(key) || 0) - (amount || 1));
}
}
module.exports = Stats;
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