Function leveledFormat

src/util/time.ts:331–368

(
    tick: ScaleTick,
    idx: number,
    formatter: TimeAxisLabelFormatterParsed,
    lang: string | Model<LocaleOption>,
    isUTC: boolean
)

}

export function leveledFormat(
    tick: ScaleTick,
    idx: number,
    formatter: TimeAxisLabelFormatterParsed,
    lang: string | Model<LocaleOption>,
    isUTC: boolean
) {
    let template = null;
    if (zrUtil.isString(formatter)) {
        // Single formatter for all units at all levels
        template = formatter;
    }
    else if (zrUtil.isFunction(formatter)) {
        const extra: TimeAxisLabelFormatterExtraParams = {
            time: tick.time,
            level: tick.time ? tick.time.level : 0,
        };
        const scaleBreakHelper = getScaleBreakHelper();
        if (scaleBreakHelper) {
            scaleBreakHelper.makeAxisLabelFormatterParamBreak(extra, tick.break);
        }
        template = formatter(tick.value, idx, extra);
    }
    else {
        const tickTime = tick.time;
        if (tickTime) {
            const leveledTplArr = formatter[tickTime.lowerTimeUnit][tickTime.upperTimeUnit];
            template = leveledTplArr[Math.min(tickTime.level, leveledTplArr.length - 1)] || '';
        }
        else {
            // tick may be from customTicks or timeline therefore no tick.time.
            const unit = getUnitFromValue(tick.value, isUTC);
            template = formatter[unit][unit][0];
        }
    }

    return format(new Date(tick.value), template, isUTC, lang);
}

export function getUnitFromValue(
    value: number | string | Date,