@beenotung/tslib/number.js

utils library in Typescript

"use strict";
/**
 * Created by beenotung on 4/23/17.
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.fromLocaleString = fromLocaleString;
exports.countFractionDigits = countFractionDigits;
function fromLocaleString(str) {
    const num = +str.replaceAll(',', '');
    if (num.toLocaleString() === str) {
        return num;
    }
    throw new Error('failed to parse locale string into number');
}
function countFractionDigits(num) {
    let str = num.toString();
    if (str.includes('e')) {
        str = str.split('e')[0];
    }
    const dotIndex = str.indexOf('.');
    if (dotIndex === -1) {
        return 0;
    }
    return str.length - dotIndex - 1;
}