Function normalizeTooltipFormatResult

src/model/mixin/dataFormat.ts:223–260

(result: TooltipFormatResult)

 * For backward compat, normalize the return from `formatTooltip`.
 */
export function normalizeTooltipFormatResult(result: TooltipFormatResult): {
    // If `markupFragment` exists, `markupText` should be ignored.
    frag: TooltipMarkupBlockFragment;
    // Can be `null`/`undefined`, means no tooltip.
    text: string;
    // Merged with `markersExisting`.
    // markers: Dictionary<ColorString>;
} {
    let markupText;
    // let markers: Dictionary<ColorString>;
    let markupFragment: TooltipMarkupBlockFragment;
    if (zrUtil.isObject(result)) {
        if ((result as TooltipMarkupBlockFragment).type) {
            markupFragment = result as TooltipMarkupBlockFragment;
        }
        else {
            if (__DEV__) {
                console.warn('The return type of `formatTooltip` is not supported: ' + makePrintable(result));
            }
        }
        // else {
        //     markupText = (result as TooltipFormatResultLegacyObject).html;
        //     markers = (result as TooltipFormatResultLegacyObject).markers;
        //     if (markersExisting) {
        //         markers = zrUtil.merge(markersExisting, markers);
        //     }
        // }
    }
    else {
        markupText = result;
    }

    return {
        text: markupText,
        // markers: markers || markersExisting,
        frag: markupFragment
    };
}