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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
module.exports = {
/**
* Limit the decimal count of a number. Unlike Number.toFixed(),
* this function does not pad with extra zeros. If the input is not a number,
* the function throws an error.
*
* @param {number} number
* @param {number} decimals
* Decimal count in the output number. Default to one decimal.
* @return {number}
*/
toFixed(number, decimals = 1) {
if (typeof number !== "number") {
throw new Error(`Input: "${number}" is not a number.`);
}
return Math.round(number * Math.pow(10, decimals)) / Math.pow(10, decimals);
},
};