public static getTooltipInfo()

in src/gantt.ts [566:649]
70 lines of code
18 McCabe index (conditional complexity)

    public static getTooltipInfo(
        task: Task,
        formatters: GanttChartFormatters,
        durationUnit: string,
        localizationManager: ILocalizationManager,
        isEndDateFillled: boolean): VisualTooltipDataItem[] {

        let tooltipDataArray: VisualTooltipDataItem[] = [];
        if (task.taskType) {
            tooltipDataArray.push({
                displayName: localizationManager.getDisplayName("Role_Legend"),
                value: task.taskType
            });
        }

        tooltipDataArray.push({
            displayName: localizationManager.getDisplayName("Role_Task"),
            value: task.name
        });

        if (task.start && !isNaN(task.start.getDate())) {
            tooltipDataArray.push({
                displayName: localizationManager.getDisplayName("Role_StartDate"),
                value: formatters.startDateFormatter.format(task.start)
            });
        }

        if (_.isEmpty(task.Milestones) && task.end && !isNaN(task.end.getDate())) {
            tooltipDataArray.push({
                displayName: localizationManager.getDisplayName("Role_EndDate"),
                value: formatters.startDateFormatter.format(task.end)
            });
        }

        if (_.isEmpty(task.Milestones) && task.duration && !isEndDateFillled) {
            const durationLabel: string = DurationHelper.generateLabelForDuration(task.duration, durationUnit, localizationManager);
            tooltipDataArray.push({
                displayName: localizationManager.getDisplayName("Role_Duration"),
                value: durationLabel
            });
        }

        if (task.completion) {
            tooltipDataArray.push({
                displayName: localizationManager.getDisplayName("Role_Completion"),
                value: formatters.completionFormatter.format(task.completion)
            });
        }

        if (task.resource) {
            tooltipDataArray.push({
                displayName: localizationManager.getDisplayName("Role_Resource"),
                value: task.resource
            });
        }

        if (task.tooltipInfo && task.tooltipInfo.length) {
            tooltipDataArray.push(...task.tooltipInfo);
        }

        task.extraInformation
            .map(tooltip => {
                if (typeof tooltip.value === "string") {
                    return tooltip;
                }

                const value: any = tooltip.value;

                if (isNaN(Date.parse(value)) || typeof value === "number") {
                    tooltip.value = value.toString();
                } else {
                    tooltip.value = formatters.startDateFormatter.format(value);
                }

                return tooltip;
            })
            .forEach(tooltip => tooltipDataArray.push(tooltip));

        tooltipDataArray
            .filter(x => x.value && typeof x.value !== "string")
            .forEach(tooltip => tooltip.value = tooltip.value.toString());

        return tooltipDataArray;
    }