/**
 * Calculates a number's precision based on the number of trailing
 * zeros if the number does not have a decimal indicated by a negative
 * precision. Otherwise, it calculates the number of digits after
 * the decimal point indicated by a positive precision.
 * @param value - the value to determine the precision of
 */ "use strict";
Object.defineProperty(exports, "__esModule", {
    value: true
});
function _export(target, all) {
    for(var name in all)Object.defineProperty(target, name, {
        enumerable: true,
        get: all[name]
    });
}
_export(exports, {
    calculatePrecision: function() {
        return calculatePrecision;
    },
    precisionRound: function() {
        return precisionRound;
    }
});
function calculatePrecision(value) {
    /**
   * Group 1:
   * [1-9]([0]+$) matches trailing zeros
   * Group 2:
   * \.([0-9]*) matches all digits after a decimal point.
   */ const groups = /[1-9]([0]+$)|\.([0-9]*)/.exec(String(value));
    if (!groups) {
        return 0;
    }
    if (groups[1]) {
        return -groups[1].length;
    }
    if (groups[2]) {
        return groups[2].length;
    }
    return 0;
}
function precisionRound(value, precision, base = 10) {
    const exp = Math.pow(base, precision);
    return Math.round(value * exp) / exp;
}