Method arabicToLatinNumbers

src/AutoNumericHelper.js:1018–1060

* Take an arabic number as a string and return a javascript number. * By default, this function does not try to convert the arabic decimal and thousand separator characters. * This returns `NaN` is the conversion is not possible. * Based on http://stackoverflow.com/a/17025392/2834898

(arabicNumbers, returnANumber = true, parseDecimalCharacter = false, parseThousandSeparator = false)

     * @returns {string|number|NaN}
     */
    static arabicToLatinNumbers(arabicNumbers, returnANumber = true, parseDecimalCharacter = false, parseThousandSeparator = false) {
        if (this.isNull(arabicNumbers)) {
            return arabicNumbers;
        }

        let result = arabicNumbers.toString();
        if (result === '') {
            return arabicNumbers;
        }

        if (result.match(/[٠١٢٣٤٥٦٧٨٩۴۵۶]/g) === null) {
            // If no Arabic/Persian numbers are found, return the numeric string or number directly
            if (returnANumber) {
                result = Number(result);
            }

            return result;
        }

        if (parseDecimalCharacter) {
            result = result.replace(/٫/, '.'); // Decimal character
        }

        if (parseThousandSeparator) {
            result = result.replace(/٬/g, ''); // Thousand separator
        }

        // Replace the numbers only
        result = result.replace(/[٠١٢٣٤٥٦٧٨٩]/g, d => d.charCodeAt(0) - 1632) // Arabic numbers
            .replace(/[۰۱۲۳۴۵۶۷۸۹]/g, d => d.charCodeAt(0) - 1776); // Persian numbers

        // `NaN` has precedence over the string `'NaN'`
        const resultAsNumber = Number(result);
        if (isNaN(resultAsNumber)) {
            return resultAsNumber;
        }

        if (returnANumber) {
            result = resultAsNumber;
        }

        return result;
    }

    /**
     * Create a custom event and immediately sent it from the given element.