Function makeValueReadable

src/util/format.ts:64–107

(
    value: unknown,
    valueType: DimensionType,
    useUTC: boolean
)

 *     a value and it might look like a bug.
 */
export function makeValueReadable(
    value: unknown,
    valueType: DimensionType,
    useUTC: boolean
): string {
    const USER_READABLE_DEFUALT_TIME_PATTERN = '{yyyy}-{MM}-{dd} {HH}:{mm}:{ss}';

    function stringToUserReadable(str: string): string {
        return (str && zrUtil.trim(str)) ? str : '-';
    }
    function isNumberUserReadable(num: number): boolean {
        return isNullableNumberFinite(num);
    }

    const isTypeTime = valueType === 'time';
    const isValueDate = value instanceof Date;
    if (isTypeTime || isValueDate) {
        const date = isTypeTime ? parseDate(value) : value;
        if (!isNaN(+date)) {
            return timeFormat(date, USER_READABLE_DEFUALT_TIME_PATTERN, useUTC);
        }
        else if (isValueDate) {
            return '-';
        }
        // In other cases, continue to try to display the value in the following code.
    }

    if (valueType === 'ordinal') {
        return zrUtil.isStringSafe(value)
            ? stringToUserReadable(value)
            : zrUtil.isNumber(value)
            ? (isNumberUserReadable(value) ? value + '' : '-')
            : '-';
    }
    // By default.
    const numericResult = numericToNumber(value);
    return isNumberUserReadable(numericResult)
        ? addCommas(numericResult)
        : zrUtil.isStringSafe(value)
        ? stringToUserReadable(value)
        : typeof value === 'boolean'
        ? value + ''
        : '-';
}


const TPL_VAR_ALIAS = ['a', 'b', 'c', 'd', 'e', 'f', 'g'];