function buildNameValue()

in src/component/tooltip/tooltipMarkup.ts [314:375]
56 lines of code
20 McCabe index (conditional complexity)

function buildNameValue(
    ctx: TooltipMarkupBuildContext,
    fragment: TooltipMarkupNameValueBlock,
    topMarginForOuterGap: number,
    toolTipTextStyle: TooltipOption['textStyle']
) {
    const renderMode = ctx.renderMode;
    const noName = fragment.noName;
    const noValue = fragment.noValue;
    const noMarker = !fragment.markerType;
    const name = fragment.name;
    const useUTC = ctx.useUTC;
    const valueFormatter = fragment.valueFormatter || ctx.valueFormatter || ((value) => {
        value = isArray(value) ? value : [value];
        return map(value as unknown[], (val, idx) => makeValueReadable(
            val, isArray(valueTypeOption) ? valueTypeOption[idx] : valueTypeOption, useUTC
        ));
    });

    if (noName && noValue) {
        return;
    }

    const markerStr = noMarker
        ? ''
        : ctx.markupStyleCreator.makeTooltipMarker(
            fragment.markerType,
            fragment.markerColor || '#333',
            renderMode
        );
    const readableName = noName
        ? ''
        : makeValueReadable(name, 'ordinal', useUTC);
    const valueTypeOption = fragment.valueType;
    const readableValueList = noValue
        ? []
        : valueFormatter(fragment.value as OptionDataValue, fragment.dataIndex);
    const valueAlignRight = !noMarker || !noName;
    // It little weird if only value next to marker but far from marker.
    const valueCloseToMarker = !noMarker && noName;

    const {nameStyle, valueStyle} = getTooltipTextStyle(toolTipTextStyle, renderMode);

    return renderMode === 'richText'
        ? (
            (noMarker ? '' : markerStr)
            + (noName ? '' : wrapInlineNameRichText(ctx, readableName, nameStyle as RichTextStyle))
            // Value has commas inside, so use ' ' as delimiter for multiple values.
            + (noValue ? '' : wrapInlineValueRichText(
                ctx, readableValueList, valueAlignRight, valueCloseToMarker, valueStyle as RichTextStyle
            ))
        )
        : wrapBlockHTML(
            toolTipTextStyle,
            (noMarker ? '' : markerStr)
            + (noName ? '' : wrapInlineNameHTML(readableName, !noMarker, nameStyle as string))
            + (noValue ? '' : wrapInlineValueHTML(
                readableValueList, valueAlignRight, valueCloseToMarker, valueStyle as string
            )),
            topMarginForOuterGap
        );
}