Method getLabel

src/scale/Interval.ts:316–339

(
        tick: ScaleTick,
        opt?: IntervalScaleGetLabelOpt
    )

    }

    getLabel(
        tick: ScaleTick,
        opt?: IntervalScaleGetLabelOpt
    ): string {
        if (tick == null) {
            return '';
        }

        let precision = opt && opt.precision;

        if (precision == null) {
            precision = getPrecision(tick.value) || 0;
        }
        else if (precision === 'auto') {
            // Should be more precise then tick.
            precision = this._cfg.intervalPrecision;
        }

        // (1) If `precision` is set, 12.005 should be display as '12.00500'.
        // (2) Use `round` (toFixed) to avoid scientific notation like '3.5e-7'.
        const dataNum = round(tick.value, precision as number, true);

        return addCommas(dataNum);
    }

}