export function enumerateDataLabels()

in src/dataLabel/dataLabelUtils.ts [354:416]

• 48 lines of code
• 16 McCabe index (conditional complexity)

export function enumerateDataLabels(
    options: dataLabelInterfaces.VisualDataLabelsSettingsOptions): powerbi.VisualObjectInstance {

    if (!options.dataLabelsSettings) {
        return;
    }

    let instance: powerbi.VisualObjectInstance = {
        objectName: "labels",
        selector: options.selector,
        properties: {},
    };

    if (options.show && options.selector) {
        instance.properties["showSeries"] = options.dataLabelsSettings.show;
    }
    else if (options.show) {
        instance.properties["show"] = options.dataLabelsSettings.show;
    }

    instance.properties["color"] = options.dataLabelsSettings.labelColor || defaultLabelColor;

    if (options.displayUnits) {
        instance.properties["labelDisplayUnits"] = options.dataLabelsSettings.displayUnits;
    }

    if (options.precision) {
        let precision = options.dataLabelsSettings.precision;
        instance.properties["labelPrecision"] = precision === defaultLabelPrecision ? null : precision;
    }

    if (options.position) {
        instance.properties["labelPosition"] = options.dataLabelsSettings.position;
        if (options.positionObject) {

            instance.validValues = { "labelPosition": options.positionObject };
        }
    }
    if (options.labelStyle) {
        instance.properties["labelStyle"] = options.dataLabelsSettings.labelStyle;
    }

    if (options.fontSize) {
        instance.properties["fontSize"] = options.dataLabelsSettings.fontSize;
    }

    if (options.labelDensity) {
        let lineChartSettings = <any>options.dataLabelsSettings;

        if (lineChartSettings) {
            instance.properties["labelDensity"] = lineChartSettings.labelDensity;
        }
    }

    // Keep show all as the last property of the instance.
    if (options.showAll) {
        instance.properties["showAll"] = options.dataLabelsSettings.showLabelPerSeries;
    }

    options.instances.push(instance);

    return instance;
}