Method _historyTableCurrentValueUsed

src/AutoNumeric.js:1826–1840

* Return the currently used value from the history table. * * @returns {string|number} * @private

()

     * @private
     */
    _historyTableCurrentValueUsed() {
        let indexToUse = this.historyTableIndex;
        if (indexToUse < 0) {
            indexToUse = 0;
        }

        let result;
        if (AutoNumericHelper.isUndefinedOrNullOrEmpty(this.historyTable[indexToUse])) {
            result = '';
        } else {
            result = this.historyTable[indexToUse].value;
        }

        return result;
    }

    /**
     * Parse the `styleRules` option and run the test for each given rules, either pre-defined ones like `positive`, `negative` and `ranges`, or user defined callbacks within the `userDefined` attribute.