Method _toNumericValue

src/AutoNumeric.js:8601–8623

* Convert the `value` parameter that can either be : * - a real number, * - a number represented in the scientific notation (i.e. -123.4567e-6) * - a string representing a real number, or * - a string representing a localized number (with specific group separators and decimal cha

(value, settings)

     * @returns {string|NaN}
     */
    static _toNumericValue(value, settings) {
        //XXX Note; this function is static since we need to pass a `settings` object when calling the static `AutoNumeric.format()` method
        let result;
        if (AutoNumericHelper.isNumber(Number(value))) { // if (settings.decimalCharacter === '.' && AutoNumericHelper.isNumber(Number(value))) {
            // The value has either already been stripped, or a 'real' javascript number is passed as a parameter
            if (!AutoNumericHelper.isNumberStrict(value)) {
                value = String(value).trim(); // cf. issue #721
            }
            result = AutoNumericHelper.scientificToDecimal(value);
        } else {
            // Else if it's a string that `Number()` cannot typecast, then we try to convert the localized numeric string to a numeric one
            // Convert the value to a numeric string, stripping unnecessary characters in the process
            result = this._convertToNumericString(value.toString(), settings);

            // If the result is still not a numeric string, then we throw a warning
            if (!AutoNumericHelper.isNumber(Number(result))) {
                AutoNumericHelper.warning(`The given value "${value}" cannot be converted to a numeric one and therefore cannot be used appropriately.`, settings.showWarnings);
                result = NaN;
            }
        }

        return result;
    }

    /**
     * Return the pasted text that will be used, by stripping most non-numeric characters