CARTO for React

CARTO for React

Widgets

Package Version Downloads
@carto/react-widgets version downloads

A set of advanced widgets, which allow not only a visual representation but a rich interaction with data & map layers, such as filtering or an automatic data refresh on viewport change, thanks to the connection with the CARTO slice on redux.

This package, @carto/react-widgets contains the widgets business logic and the @carto/react-ui package contains the user interface components. The UI is decoupled from the business logic so you can provide your own user interface or modify the business logic. To review interactively the UI for the widgets, check the Storybook catalogue.

Components

CategoryWidget

Renders a <CategoryWidget /> component, binded to a source at redux. The widget displays the calculations considering just the viewport features.

  • Input:
Param Type Default Description
props Object
props.id string ID for the widget instance.
props.title string Title to show in the widget header.
props.dataSource string ID of the data source to get the data from.
props.column string Name of the data source’s column to get the data from.
props.operation string Operation to apply to the operationColumn. Must be one of those defined in AggregationTypes object.
[props.operationColumn] string | Array<string> (optional) Name of the data source’s column to operate with. If not defined, same as column. If multiple columns are provided, they will be combined using the operation specified with the joinOperation property. Note: support for multiple columns is only available beginning with v1.3
[props.joinOperation] string Operation applied to aggregate multiple operation columns into a single one. Must be one of those defined in AggregationTypes object. Note: this property is only available beginning with v1.3
[props.animation] bool true Indicates whether the widget update is animated or jumps directly to the new state.
[props.formatter] function (optional) formatterCallback: Function to format each value returned.
[props.labels] Object {} (optional) Overwrite category labels.
[props.filterable] bool true (optional) Indicates whether filtering capabilities are enabled or not.
[props.searchable] bool true (optional) Indicates whether the functionality for searching in categories not displayed is available or not.
[props.onError] function (optional) errorCallback: Function to handle error messages from the widget.
[props.wrapperProps] Object (optional) Extra props to pass to WrapperWidgetUI
[props.noDataAlertProps] Object { title: 'No data available', body: 'There are no results for the combination of filters applied to your data. Try tweaking your filters, or zoom and pan the map to adjust the Map View.' } (optional) Message (title and body) to show when there is no data available for the widget.
  • Example:

    In this example, the widget would display the SUM of population for all the countries, grouped by continent:

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    import { CategoryWidget } from "@carto/react-widgets";
      
    const customFormatter = (value) => `${value} people`;
      
    return (
      <CategoryWidget
        id="populationByContinent"
        title="Population by continent"
        dataSource="countriesSourceId"
        column="continent"
        operationColumn="population"
        operation={AggregationTypes.SUM}
        formatter={customFormatter}
        onError={console.error}
      />
    );
      
    // The operationColumn wouldn't be required if using AggregationTypes.COUNT, to count the number of countries per continent
    

    Available beginning with v1.3

    In case you have the population disaggregated by gender: population_m and population_f, you can use an array in operationColumn and sum the values from both columns using the joinOperation property. With this approach you can make calculations on widgets using multiple columns.

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    import { CategoryWidget } from "@carto/react-widgets";
      
    const customFormatter = (value) => `${value} people`;
      
    return (
      <CategoryWidget
        id="populationByContinent"
        title="Population by continent"
        dataSource="countriesSourceId"
        column="continent"
        operationColumn={["population_m", "population_f"]}
        joinOperation={AggregationTypes.SUM}
        operation={AggregationTypes.SUM}
        formatter={customFormatter}
        onError={console.error}
      />
    );
    

FeatureSelectionWidget

Renders a <FeatureSelectionWidget /> component. The widget allows the user to draw a shape on the map and apply a filter to select the features within the shape. Once a shape has been drawn, it can be selected and modified by adding/removing vertices or translated to a new location. By default the mask is active but it can be disabled temporarily and re-enabled again.

There are different selection modes supporting different shapes. The mode selected by default is FEATURE_SELECTION_MODES.POLYGON. If you want to choose a different default selection mode, you can set the featureSelectionMode prop in the initialStateSlice.

If you want to use this widget in your app, you need to do two different things:

  1. Add the <FeatureSelectionWidget> component to the view where you want to have it available. If you are using one of the CARTO for React templates and you want to use it in all of your views, you can add it to the <MapContainer> component.

  2. Add the FeatureSelectionLayer to your layers list. If you are using one of the CARTO for React templates, you need to add it to the src/components/layers/index.js file like this:

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    import { FeatureSelectionLayer } from '@carto/react-widgets';
    
    export const getLayers = () => {
      return [
        ...,
        FeatureSelectionLayer(),
      ];
    }; 
    
  • Input:
Param Type Default Description
props Object
[props.className] string (optional) Material-UI withStyle class for styling
[props.selectionModes] Array<FEATURE_SELECTION_MODES> [FEATURE_SELECTION_MODES.CIRCLE, FEATURE_SELECTION_MODES.LASSO_TOOL, FEATURE_SELECTION_MODES.POLYGON, FEATURE_SELECTION_MODES.RECTANGLE] Available selection modes.
[props.editModes] EDIT_MODES [EDIT_MODES.EDIT] Available edit modes.
[props.tooltipPlacement] string 'bottom' Tooltip placement. Allowed values available here

The FeatureSelectionLayer accepts the following optional props:

Param Type Default Description
props Object
[props.eventManager] EventManager nebula.gl event manager (optional) This prop allows using a different event manager instead of the one provided by nebula.gl. It is used for integration with other mapping libraries like Google Maps JavaScript API.
[props.mask] bool true Indicates whether to apply a mask or not to hide the features outside the shape drawn by the user.
  • Example:

    In this example, we add a FeatureSelectionWidget supporting just two selection modes using a specific CSS class.

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    import { FeatureSelectionWidget } from "@carto/react-widgets";
    import { FEATURE_SELECTION_MODES } from '@carto/react-core';
      
    return (
      <FeatureSelectionWidget 
        className={myCSSClassName} 
        selectionModes={[FEATURE_SELECTION_MODES.POLYGON, FEATURE_SELECTION_MODES.RECTANGLE]}
      />
    );
    

FormulaWidget

Renders a <FormulaWidget /> component, binded to a source at redux. The widget displays the calculations considering just the viewport features.

  • Input:
Param Type Default Description
props Object
props.id string ID for the widget instance.
props.title string Title to show in the widget header.
props.dataSource string ID of the data source to get the data from.
props.column string | Array<string> Name of the data source’s column to operate with. If multiple columns are provided, they will be combined using the operation specified with the joinOperation property. Note: support for multiple columns is only available beginning with v1.3
[props.joinOperation] string Operation applied to aggregate multiple columns into a single one. Must be one of those defined in AggregationTypes object. Note: this property is only available beginning with v1.3
props.operation string Operation to apply to the operationColumn. Must be one of those defined in AggregationTypes object.
[props.animation] bool true Indicates whether the widget update is animated or jumps directly to the new state
[props.formatter] function (optional) formatterCallback: Function to format each value returned.
[props.onError] errorCallback (optional) errorCallback: Function to handle error messages from the widget.
[props.wrapperProps] Object (optional) Extra props to pass to WrapperWidgetUI
  • Example:

    In this example, the widget would display the AVG sales for all the stores on screen:

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    import { FormulaWidget } from "@carto/react-widgets";
      
    const customFormatter = (value) => `${value} $`;
      
    return (
      <FormulaWidget
        id="averageRevenue"
        title="Average revenue"
        dataSource="storesSourceId"
        column="revenue"
        operation={AggregationTypes.AVG}
        formatter={customFormatter}
        onError={console.error}
      />
    );
    

    Available beginning with v1.3

    In case you have the revenue splitted in multiple columns, you can provide an array in column property and merge them into a single one using joinOperation:

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    import { FormulaWidget } from "@carto/react-widgets";
      
    const customFormatter = (value) => `${value} $`;
      
    return (
      <FormulaWidget
        id="averageRevenue"
        title="Average revenue"
        dataSource="storesSourceId"
        column={["revenue_2021", "revenue_2022"]}
        joinOperation={AggregationTypes.SUM}
        operation={AggregationTypes.AVG}
        formatter={customFormatter}
        onError={console.error}
      />
    );
    

HistogramWidget

Renders a <HistogramWidget /> component, binded to a source at redux. The widget displays the calculations considering just the viewport features.

  • Input:
Param Type Default Description
props Object
props.id string ID for the widget instance.
props.title string Title to show in the widget header.
props.dataSource string ID of the data source to get the data from.
props.column string Name of the data source’s column to get the data from.
props.operation string Operation to apply to the column. Must be one of those defined in AggregationTypes object.
props.ticks Array<number> Array of numbers to build intervals (eg 1, 5, 10 will define 4 intervals: <1, [1,5), [5-10) and >= 10)
[props.animation] bool true (optional) Indicates whether the widget update is animated or jumps directly to the new state
[props.filterable] bool true (optional) Indicates whether filtering capabilities are enabled or not.
[props.xAxisFormatter] function (optional) formatterCallback: Function to format X axis values.
[props.formatter] function (optional) formatterCallback: Function to format tooltip and Y axis values.
[props.onError] function (optional) errorCallback: Function to handle error messages from the widget.
[props.wrapperProps] Object Extra props to pass to WrapperWidgetUI
[props.noDataAlertProps] Object { title: 'No data available', body: 'There are no results for the combination of filters applied to your data. Try tweaking your filters, or zoom and pan the map to adjust the Map View.' } (optional) Message (title and body) to show when there is no data available for the widget.
  • Example:

    In this example, the widget would display the number of stores in different ranks, based on their number of sales.

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    import { HistogramWidget } from "@carto/react-widgets";
      
    const customFormatter = (value) => `${value} $`;
      
    return (
      <HistogramWidget
        id="storesByNumberOfSales"
        title="Stores by number of sales"
        dataSource="storesSourceId"
        operation={AggregationTypes.COUNT}
        column="salesNumber"
        ticks={[10, 100, 500, 1000]}
        onError={console.error}
      />
    );
    // bins for the histogram would be <10, 10 to 100, 100 to 500, 500 to 1000 and > 1000
    

LegendWidget

Renders a <LegendWidget /> component. The widget can display a switch to show or hide a layer and a legend for the layer. The legend representation depends on the legend type. You can check the available LEGEND_TYPES here. The widget accesses the layer information from the store and add the legend for those layers where it has been specified.

  • Input:
Param Type Default Description
props Object
[props.className] string (optional) Material-UI withStyle class for styling.
[props.customLegendTypes] Object.<string, function> (optional) Object with custom legend types and the components to be used with these types.
[props.initialCollapsed] bool false (optional) Indicates whether the widget is initially collapsed or not.

You can control the legend options through the following properties that must be added to the layerAttributes property for the layer in the store:

Param Type Default Description
title string Layer title
visible boolean true Indicates whether the layer is visible by default or not.
opacity Number 1 Initial opacity for the layer.
showOpacityControl boolean true Indicates whether the opacity control is shown or not.
switchable boolean true Indicates whether the layer can be hide/shown
legend Object Legend properties. Define an empty object legend: {} if you just want layer switching capabilities.
legend.type string Legend type. Must be one of the types defined in the LEGEND_TYPES enum
legend.attr string Attribute used for styling the layer
legend.colors Array or string Array of colors (RGB arrays) or CARTO colors palette (string). Used for LEGEND_TYPES.CATEGORY, LEGEND_TYPES.BINS and LEGEND_TYPES.CONTINUOUS_RAMP
legend.labels Array - Array of strings for labels when using LEGEND_TYPES.CATEGORY and LEGEND_TYPES.ICON.
- Array of numbers for LEGEND_TYPES.BINS and LEGEND_TYPES.CONTINUOUS_RAMP. Since v1.3, it also accepts an array of { value: number; label: string } to format the values. The first and last elements will be used for the labels and the intermediate elements will be used for defining the bins/intervals (for bins ramps) or the colors that we are interpolating (for continuous ramps).
- Array of [min, max] numbers for LEGEND_TYPES.PROPORTION.
legend.icons Array Array of string with icons URLs. Used for LEGEND_TYPES.ICON.
legend.note string Note to show below th legend to add additional explanations.
legend.collapsed boolean false Indicates whether the legend component is collapsed or not.
legend.collapsible boolean true Indicates whether the legend component is collapsible or not.
  • Example:

    If you want to show a legend for a layer, you need to do the following:

    1. Define some layer attributes (layerConfig) before you instantiate the layer. Here we are going to create a LEGEND_TYPES.BINS type legend where we are assigning colors and labels to the different legend elements. We use the same colors in the CARTO for deck.gl colorBins helper when creating the layer.

    2. When data is loaded for the layer, we add the legend information from the layerConfig object to the layer attributes in the Redux store by dispatching the updateLayer action. It is important that we call the original onDataLoad handler defined in the useCartoLayerProps hook for the other widgets in the app to work.

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    import { LEGEND_TYPES } from "@carto/react-ui";
    import { updateLayer } from "@carto/react-redux";
    import { CartoLayer, colorBins } from "@deck.gl/carto";
      
    export const COLORS = [
      [247, 254, 174],
      [183, 230, 165],
      [124, 203, 162],
      [70, 174, 160],
      [4, 82, 117],
    ];
      
    export const LABELS = [
      '$100M',
      '$500M',
      '$1B',
      '$1.5B',
    ];
      
    const layerConfig = {
      title: 'Layer Name',
      visible: true,
      showOpacityControl: true,
      opacity: 0.6,
      legend: {
        attr: 'revenue',
        type: LEGEND_TYPES.BINS,
        labels: LABELS,
        colors: COLORS,
      },
    };
      
    const { myLayer } = useSelector((state) => state.carto.layers);
    const source = useSelector((state) => selectSourceById(state, myLayer?.source));
    const cartoLayerProps = useCartoLayerProps({ source, layerConfig: myLayer });
    
    if (myLayer && source) {
      return new CartoLayer({
        ...cartoLayerProps,
        getFillColor: colorBins({
          attr: layerConfig.legend.attr,
          domain: [100e6, 500e6, 1e9, 1.5e9],
          colors: COLORS,
        }),
        onDataLoad: (data) => {
          dispatch(
            updateLayer({
              id: MY_LAYER_ID,
              layerAttributes: { ...layerConfig },
            })
          );
          cartoLayerProps.onDataLoad && cartoLayerProps.onDataLoad(data);
        }
      });
    }
    

    Now you can add the LegendWidget component. If you are using the CARTO for React templates, you can add it to the MapContainer component so it is shown for all views or add it to a particular view to show it in the sidebar just for that view. In this example, the widget uses a custom CSS class.

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    import { LegendWidget } from "@carto/react-widgets";
      
    return (
      <LegendWidget className={myCSSClassName} />
    );
    

PieWidget

Renders a <PieWidget /> component, binded to a source at redux. The widget displays the calculations considering just the viewport features. From a data perspective, PieWidget would present a behaviour equivalent to CategoryWidget (groups or ‘categories’ from a column, with an aggregated calculation), but with a different UI.

  • Input:
Param Type Default Description
props Object
props.id string ID for the widget instance.
props.title string Title to show in the widget header.
props.dataSource string ID of the data source to get the data from.
props.column string Name of the data source’s column to get the data from.
props.operation string Operation to apply to the operationColumn. Must be one of those defined in AggregationTypes object.
props.height string 300px Height of the chart in CSS format.
[props.operationColumn] string | Array<string> (optional) Name of the data source’s column to operate with. If not defined, same as column. If multiple columns are provided, they will be combined using the operation specified with the joinOperation property. Note: support for multiple columns is only available beginning with v1.3
[props.joinOperation] string Operation applied to aggregate multiple operation columns into a single one. Must be one of those defined in AggregationTypes object. Note: this property is only available beginning with v1.3
[props.colors] Array<string> CARTO colors bold palette (optional) Array of colors to show for each category.
[props.labels] Array<string> Column values (optional) Labels to show for each category
[props.animation] bool true (optional) Indicates whether the widget update is animated or jumps directly to the new state
[props.filterable] bool true (optional) Indicates whether filtering capabilities are enabled or not.
[props.formatter] function (optional) formatterCallback: Function to format each value returned.
[props.tooltipFormatter] formatterCallback (optional) formatterCallback: Function to format the tooltip values.
[props.onError] errorCallback (optional) errorCallback: Function to handle error messages from the widget.
[props.wrapperProps] Object (optional) Extra props to pass to WrapperWidgetUI
[props.noDataAlertProps] Object { title: 'No data available', body: 'There are no results for the combination of filters applied to your data. Try tweaking your filters, or zoom and pan the map to adjust the Map View.' } (optional) Message (title and body) to show when there is no data available for the widget.
  • Example:

    In this example, the widget would display a pie chart by continent with the SUM of population for all the countries in that continent:

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    import { PieWidget } from "@carto/react-widgets";
      
    return (
      <PieWidget
        id="populationByContinent"
        title="Population by continent"
        dataSource="countriesSourceId"
        column="continent"
        operationColumn="population"
        operation={AggregationTypes.SUM}
      />
    );
      
    // The operationColumn wouldn't be required if using AggregationTypes.COUNT, to count the number of countries per continent
    

    Available beginning with v1.3

    In case you have the population disaggregated by gender: population_m and population_f, you can use an array in operationColumn and sum the values from both columns using the joinOperation property. With this approach you can make calculations on widgets using multiple columns.

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    import { PieWidget } from "@carto/react-widgets";
      
    return (
      <PieWidget
        id="populationByContinent"
        title="Population by continent"
        dataSource="countriesSourceId"
        column="continent"
        operationColumn={["population_m", "population_f"]}
        joinOperation={AggregationTypes.SUM}
        operation={AggregationTypes.SUM}
      />
    );
    

ScatterPlotWidget

Renders a <ScatterPlotWidget /> component, binded to a source at redux. The widget displays the calculations considering just the viewport features. From a data perspective, the ScatterPlotWidget represents two properties/columns in a cartesian chart from a data source to help understand if there is correlation between them.

  • Input:
Param Type Default Description
props Object
props.id string ID for the widget instance.
props.title string Title to show in the widget header.
props.dataSource string ID of the data source to get the data from.
props.xAxisColumn string | Array<string> Name of the data source’s column to get the data for the X axis from. If multiple columns are provided, they will be combined using the operation specified with the xAxisJoinOperation property. Note: support for multiple columns is only available beginning with v1.3
[props.xAxisJoinOperation] string Operation applied to aggregate multiple xAxis columns into a single one. Must be one of those defined in AggregationTypes object. Note: this property is only available beginning with v1.3
props.yAxisColumn string | Array<string> Name of the data source’s column to get the data for the Y axis from. If multiple columns are provided, they will be combined using the operation specified with the yAxisJoinOperation property. Note: support for multiple columns is only available beginning with v1.3
[props.yAxisJoinOperation] string Operation applied to aggregate multiple yAxis columns into a single one. Must be one of those defined in AggregationTypes object. Note: this property is only available beginning with v1.3
[props.animation] bool true Indicates whether the widget update is animated or jumps directly to the new state
[props.xAxisFormatter] function (optional) formatterCallback: Function to format X axis values.
[props.yAxisFormatter] function (optional) formatterCallback: Function to format X axis values.
[props.tooltipFormatter] formatterCallback (optional) formatterCallback: Function to format the tooltip values.
[props.onError] errorCallback (optional) errorCallback: Function to handle error messages from the widget.
[props.wrapperProps] Object (optional) Extra props to pass to WrapperWidgetUI
[props.noDataAlertProps] Object { title: 'No data available', body: 'There are no results for the combination of filters applied to your data. Try tweaking your filters, or zoom and pan the map to adjust the Map View.' } (optional) Message (title and body) to show when there is no data available for the widget.
  • Example:

    In this example, the widget would display the values from the size and revenue columns.

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    import { ScatterPlotWidget } from "@carto/react-widgets";
      
    return (
      <ScatterPlotWidget
        id="sizeRevenueCorrelation"
        title="Size / Revenue"
        dataSource="storesSourceId"
        xAxisColumn="size"
        yAxisColumn="revenue"
      />
    );
    

TableWidget

Renders a <TableWidget /> component, binded to a source at redux. The widget allows to configure the source columns that will be displayed. It includes functionality for data pagination and ordering by column.

  • Input:
Param Type Default Description
props Object
props.id string ID for the widget instance.
props.title string Title to show in the widget header.
props.dataSource string ID of the data source to get the data from.
[props.columns] Array<object> All columns (optional) List of source columns to display. The object allows to configure horizontal alignment and the label to display for each column. See example below.
[props.height] string Takes available height in the container. (optional) Height of the table in CSS format.
[props.dense] bool false (optional) Indicates whether to use a denser layout or not.
[props.initialPageSize] number 10 (optional) Initial number of rows per page.
[props.onError] errorCallback (optional) errorCallback: Function to handle error messages from the widget.
[props.wrapperProps] Object (optional) Extra props to pass to WrapperWidgetUI
[props.noDataAlertProps] Object { title: 'No data available', body: 'There are no results for the combination of filters applied to your data. Try tweaking your filters, or zoom and pan the map to adjust the Map View.' } (optional) Message (title and body) to show when there is no data available for the widget.
  • Example:

    In this example, the widget would display a table with three columns for each store. All the columns are renamed and aligned to the left. The initial page size is set to 5 rows.

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    import { TableWidget } from "@carto/react-widgets";
    
    return (
      <TableWidget
        id='storesTable'
        title='Stores list'
        dataSource={storesSource.id}
        initialPageSize={5}
        columns={[
          { field: 'revenue', headerName: 'Revenue', align: 'left' },
          { field: 'size_m2', headerName: 'Size (m2)', align: 'left' },
          { field: 'storetype', headerName: 'Type', align: 'left' },
        ]}
      />
    );
    
    

TimeSeriesWidget

Renders a <TimeSeriesWidget /> component, binded to a source at redux. The widget displays the calculations considering just the viewport features. From a data perspective, the TimeSeriesWidget groups the features in time intervals and allows to play an animation that filters the features displayed based on the current interval.

  • Input:
Param Type Default Description
props Object
props.id string ID for the widget instance.
props.title string Title to show in the widget header.
props.dataSource string ID of the data source to get the data from.
props.column string Name of the data source’s column with the timestamp/date values
props.stepSize GroupDateTypes Time interval size. Available groupings are: GroupDateTypes.YEARS, GroupDateTypes.MONTHS, GroupDateTypes.WEEKS, GroupDateTypes.DAYS, GroupDateTypes.HOURS, GroupDateTypes.MINUTES.
[props.operation] string AggregationTypes.COUNT (optional) Operation to apply to the operationColumn. Must be one of those defined in AggregationTypes object.
[props.operationColumn] string | Array<string> (optional) Name of the data source’s column to operate with. If not defined, same as column. If multiple columns are provided, they will be combined using the operation specified with the joinOperation property. Note: support for multiple columns is only available beginning with v1.3
[props.joinOperation] string Operation applied to aggregate multiple operation columns into a single one. Must be one of those defined in AggregationTypes object. Note: this property is only available beginning with v1.3
[props.animation] bool true Indicates whether the widget update is animated or jumps directly to the new state. This does not apply to the animation when the widget is in play mode. Applies only when the data visualized in the chart changes (i.e. when we select a different step size).
[props.formatter] function (optional) formatterCallback: Function to format each value returned.
[props.onError] errorCallback (optional) errorCallback: Function to handle error messages from the widget.
[props.wrapperProps] Object (optional) Extra props to pass to WrapperWidgetUI
[props.noDataAlertProps] Object { title: 'No data available', body: 'There are no results for the combination of filters applied to your data. Try tweaking your filters, or zoom and pan the map to adjust the Map View.' } (optional) Message (title and body) to show when there is no data available for the widget.
[props.height] string ‘300px’ (optional) Chart height (CSS)
[props.tooltipFormatter] formatterCallback (optional) formatterCallback: Function to format the tooltip values.
[props.stepSizeOptions] Array<GroupDateTypes> [] (optional) Available time interval sizes
[props.chartType] enum TIME_SERIES_CHART_TYPES.LINE (optional) Selected chart type (line or bar)
[props.tooltip] boolean true (optional) Whether to show or not the tooltip
[props.timeWindow] Array<number|string> [] (optional) Interval for the currently selected time window (timestamps or dates formatted as strings)
[props.showControls] boolean true (optional) Whether to show or not the controls (play, pause, stop, speed selection…)
[props.isPlaying] boolean false (optional) Whether to set the widget to play mode
[props.isPaused] boolean false (optional) Whether to set the widget to pause mode
[props.onPlay] functionCallback (optional) Handler to receive the event emitted when the animation starts to play
[props.onPause] functionCallback (optional) Handler to receive the event emitted when the animation is paused
[props.onStop] functionCallback (optional) Handler to receive the event emitted when the animation is stopped
[props.onTimelineUpdate] functionCallback (optional) Handler to receive the event emitted when the animation moves to the next time interval
[props.onTimeWindowUpdate] functionCallback (optional) Handler to receive the event emitted when the time window moves to the next time interval
  • Example:

    In this example, the widget will display the count of features in each time interval defined by the event_date column.

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    import { TimeSeriesWidget } from "@carto/react-widgets";
    import { GroupDateTypes } from "@carto/react-core";
      
    return (
      <TimeSeriesWidget
        id="events"
        title="Events per day"
        dataSource="eventsSourceId"
        column="event_date"
        stepSize={GroupDateTypes.DAYS}
      />
    );