Method _truncateDecimalPlaces

src/AutoNumeric.js:6013–6031

* Truncates the decimal part of a number to the given number of decimal places `decimalPlacesToRoundTo`. * * @param {string} value * @param {object} settings * @param {boolean} isPaste * @param {int} decimalPlacesToRoundTo * @returns {*}

(value, settings, isPaste, decimalPlacesToRoundTo)

     * @returns {*}
     */
    static _truncateDecimalPlaces(value, settings, isPaste, decimalPlacesToRoundTo) {
        if (isPaste) {
            value = this._roundFormattedValueShownOnFocus(value, settings);
        }

        const [integerPart, decimalPart] = value.split(settings.decimalCharacter);

        // Truncate the decimal part to the satisfying length since we would round it anyway
        if (decimalPart && decimalPart.length > decimalPlacesToRoundTo) {
            if (decimalPlacesToRoundTo > 0) {
                const modifiedDecimalPart = decimalPart.substring(0, decimalPlacesToRoundTo);
                value = `${integerPart}${settings.decimalCharacter}${modifiedDecimalPart}`;
            } else {
                value = integerPart;
            }
        }

        return value;
    }

    /**
     * Check if the given value is within the `minimumValue` and `maximumValue` range, while using the override options set with `overrideMinMaxLimits`.