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@visa/world-map

<world-map
  accessibility = {...}
  data = {[{"ID":0,"Name":"USA","Value":50,"Country Code":"840"},{data}]}
  joinAccessor = {"Country Code"}
  joinNameAccessor = {"Name"}
  valueAccessor = {"Value"}
/>

Jump To:

Installation Steps
Props Documentation

# Installation Steps

Using npm
```
$ npm i @visa/world-map
```
Using yarn
```
$ yarn add @visa/world-map
```

# Props Documentation

# Base Props <>

Name	Type	Default Value(s)	Description
`height`	number	325	Height in px of the map container
`width`	number	500	Width in px of the map container
`mainTitle`	string	'This is the Map title'	The `dynamic` tag of title for the map (or you can create your own separately). See `highestHeadingLevel` prop for how tags get assigned.
`subTitle`	string/ISubTitleType	'This is a subtitle'	The `dynamic` tag for a sub title for the chart (or you can create your own separately). See `highestHeadingLevel` prop for how tags get assigned.
`highestHeadingLevel`	string/number	'h2'	Sets the heading level (which also sets sublevels) for the map. "p", "span", and "div" are also valid.

ISubTitleType Definition

Name	Type	Default Value(s)	Description
`text`	string	‘’	Text of the subtitle.
`keywordsHighlight`	IKeywordsHighlightType[]	''	Configuration used to create highlighted words in the subtitle, an array of objects which includes `text`, `mode`, `color` and `index` keys. See `IKeywordsHighlightType` definition below for additional details.

IKeywordsHighlightType Definition

Name (keywordsHighlight.)	Type	Default Value(s)	Description
`text`	string	''	A string of one or multiple words in the subtitle text to be given the highlight treatment
`color`	string	''	HEX code color string to apply to the highlight treatment.
`mode`	'text' or 'background'	'background'	'text' will highlight the text itself with the provided color, using `ensureTextContrast` utility to ensure text contrast. 'background' will highlight the background-color of the created `span` with the provided color.
`index`	number		If provided, highlight treatment is provided to the specific instance of the text within the sub-title. Otherwise, all instances of the provided string will be given highlight treatment.

# Data Props <>

Name	Type	Default Value(s)	Description
`joinAccessor`	string	'countryCode'	Key used to determine country's key property (ISO 3-Digit Code).
`joinNameAccessor`	string	'countryName'	Key used to determine country's name property.
`groupAccessor`	string	''	Key used to determine country/marker color.
`valueAccessor`	string	'value'	Key used to determine the country/marker's numeric property.
`latitudeAccessor`	string	''	Key used to determine marker's latitude property .
`longitudeAccessor`	string	''	Key used to determine marker's longitude property.
`markerAccessor`	string	''	Key used to determine marker's key property.
`markerNameAccessor`	string	''	Key used to determine marker's name property.
`minValueOverride`	number	`undefined`	Overrides the calculated default min value for marker/color scales.
`maxValueOverride`	number	`undefined`	Overrides the calculated default max value for marker/color scales.
`sortOrder`	string	''	Can be used to sort the markers ascending/descending to ensure they are layered correctly. Accepts `'asc'` and `'desc'`.
`uniqueID`	string	`undefined`	ID used to identify chart (must be unique per chart), helpful for validation messages. Defaults to UUID v4 standard.
`data`	object[]	`undefined`	Data used to create map, an array of objects which includes keys that map to above accessors.

# Accessibility Props <>

Name	Type	Default Value(s)	Description
`accessibility`	object (custom type)	IAccessibilityType	Manages messages and settings for map accessibility, see object definition below.

IAccessibilityType Definition

Name (accessibility.)	Type	Default Value(s)	Description
`longDescription`	string	''	Use this to add a helpful description of the map.
`executiveSummary`	string	''	Use this to describe the biggest takeaway of the map.
`purpose`	string	''	Use this to describe the purpose of this particular map.
`contextExplanation`	string	''	Use this to explain any controls or content on your page that affect or are affected by this map.
`title`	string	''	Gives the map an alternate title to be used by screen readers.
`elementDescriptionAccessor`	string	''	Optional key used to add an additional description to any element, from your data.
`statisticalNotes`	string	''	Use this to provide any statistical explanations, such as trends, clusters, patterns, or outliers.
`structureNotes`	string	''	Use this to describe special visual features of the map, such as sorting, color grouping, etc.
`includeDataKeyNames`	boolean	false	If true, includes data key names in voice over description of each element. EG "Year over year growth: 5.6%" instead of just "5.6%"
`hideDataTableButton`	boolean	false	If true, hides the data table button (but it is still available to screen reader users).
`disableValidation`	boolean	false	If true, disables validations of accessibility props for this map. Validation is intended to be used during development; upon completion, validation should be disabled.
`elementsAreInterface`	any/boolean	null	Defaults to null. Set to true if interacting with the elements in this map affects your application. Otherwise, must be set to false.
`onChangeFunc`	function	`undefined`	Custom event listener (changeFunc) that enables dev to control accessibility page experience when map data updates.
`showSmallLabels`	boolean	false	Defaults to false. Set to true if you would like to display labels on small elements that are likely to overlap. Note, this could impact accessibility of your graphic.
`hideStrokes`	boolean	false	Defaults to false. Set to true if you would like to remove automated stroke outlines from the map, note, this could impact accessibility of your graphic.
`hideTextures`	boolean	false	Defaults to false. Set to true if you would like to remove textures from the map, note, this could impact accessibility of your graphic.
`keyboardNavConfig`	IKeyConfig	`{ disabled: false }`	Defaults disabled to false. May be set to true if `accessibility.elementsAreInterface = false` and `suppressEvents = true`. This will disable keyboard navigation and simplify chart instructions for screen reader users.
`showExperimentalTextures`	boolean	false	Defaults to false. Set to true if you would like leverage our textures which are still undergoing research and development.

// accessibility = { ...accessibility, onChangeFunc: d => changeHandler(d)}
// example of setting updates on page based on changeFunc custom events
const changeHandler = d => {
  if (d.updated && (d.removed || d.added)) {
    let updates = 'The world map has ';
    if (d.removed) {
      updates += 'removed ' + d.removed + ' marker' + (d.removed > 1 ? 's ' : ' ');
    }
    if (d.added) {
      updates +=
        (d.removed ? 'and ' : '') + 'added ' + d.added + (d.removed ? '' : d.added > 1 ? ' markers' : ' marker');
    }
    setChartUpdates(updates);
  } else if (d.updated) {
    const newUpdate = "The map's data has changed, but no markers were removed or added.";
    setChartUpdates(
      newUpdate !== mapUpdates ? newUpdate : "The map's data has changed again, but no markers were removed or added."
    );
  }
};

# Localization Props <>

Name	Type	Default Value(s)	Description
`localization`	object (custom type)	ILocalizationType	Manages messages and settings for chart localization, see object definition below.

ILocalizationType Definition

Name (localization.)	Type	Default Value(s)	Description
`language`	string/object	en	Use this to add a language to a chart. This can be string value like `en` or valid translation object.
`numeralLocale`	string/object	US	Use this to add a numerical locale to a chart. This can be string value like `US` or valid numeralLocale object.
`overwrite`	boolean	false	Use this to describe the purpose of this particular chart.
`skipValidation`	boolean	false	If true, disables validations of localization props for this chart. Validation is intended to be used during development; upon completion, validation should be disabled.

# Annotation Props <>

Name	Type	Default Value(s)	Description
`annotations`	array[{annotations}]	[]	Adds annotations to the map, see d3-svg-annotation by Susie Lu.

annotations object definition

annotations is an array of objects which needs to have the following properties within them. See the detailed api specifications from d3-svg-annotation, along with additional properties layered on top of that work, documented below.

Name	Type	Default Value(s)	Description
`accessibilityDescription`	string	`undefined`	Sets the accessibility description for the annotation for screen reader users.

# Map & Marker Props <>

Name	Type	Default Value(s)	Description
`countryStyle`	object (custom type)	ICountryStyleType	Sets various style attribute for countries, see object definition.
`markerStyle`	object (custom type)	IMarkerStyleType	Object for setting various style attribute for map dots/markers, see object definition.
`mapProjection`	string	'Equal Earth'	Sets the projection of the world-map to display.
`mapScaleZoom`	number	1.25	Adjusts the zoom of the map (take caution when modifying this prop).
`quality`	string	'High'	Sets the quality of the map's vector shapes.
`showGridlines`	boolean	''	Toggles whether to display background map gridlines.

ICountryStyleType Definition

Name	Type	Default Value(s)	Description
`fill`	boolean	true	Toggles whether to color scale the countries based on valueAccessor (choropleth), joinAccessor required.
`color`	string	'base_grey'	Sets the color of the countries if fill is false.
`strokeWidth`	string	'.5px'	Sets the stroke width of the countries on the map.
`opacity`	number	0.8	Sets the opacity of the countries on the map.

IMarkerStyleType Definition

Name	Type	Default Value(s)	Description
`blend`	boolean	false	Toggles whether to use css blending mode (true = multiply, false = normal).
`color`	string	'base_grey'	Sets the color of the marker if fill is false.
`fill`	boolean	true	Toggles whether to color scale the markers based on valueAccessor (requires markerAccessor).
`opacity`	number	0.8	Sets the opacity of the markers on the map.
`radius`	number	5	Sets the radius of the markers on the map (overwritten by radiusRange).
`radiusRange`	string	''	Sets the range for the radius scale for the markers on the map (overwrites radius).
`strokeWidth`	string	'1px'	Sets the stroke width of the markers on the map.
`visible`	boolean	false	Toggles whether to show markers on map.

# Event Props <>

Events in stencil.js dispatch Custom DOM events for other components to handle, we use Stencil's @Event() decorator to emit events (click, hover, mouseOut) from end user activity on our charts.

Name	Type	Default Value(s)	Description
`suppressEvents`	boolean	false	Suppresses and disables click, hover and mouseOut event emitters. Setting to true can increase performance for non-interactive charts.
`cursor`	string	'default'	Changes pointer type during mouse over on elements. Valid values are 'default' or 'pointer'.
`onClickEvent`	function	`undefined`	When clickEvent event occurs (e.g., mouse/keyboard click on chart geometry), this event handler will be called with the custom event object (e.g., e), containing data and target node at e.detail `{data: d, target: n}`. You will need to construct your own functionality of what actions to take within the callback.
`clickHighlight`	object[]	[]	Data used to track map selections, an array of objects which includes keys that map to above accessors.
`clickStyle`	object (custom type)	IClickStyleType	Sets the styling of elements when they are selected, see object definition below.
`onHoverEvent`	function	`undefined`	When hoverEvent event occurs (e.g., mouse hover/keyboard focus on chart geometry), this event handler will be called with the custom event object (e.g., e), containing data and target node at e.detail `{data: d, target: n}`. You will need to construct your own functionality of what actions to take within the callback.
`onMouseOutEvent`	function	`undefined`	When mouseOutEvent event occurs (e.g., mouse/keyboard blur on chart geometry), this event handler will be called, and has no data object. You will need to construct your own functionality of what actions to take within the callback.
`hoverHighlight`	object	{}	Datum object used to track active map element, the object should include keys that map to above accessors.
`hoverStyle`	object (custom type)	IHoverStyleType	Sets the styling of elements when they are hovered/focused, see object definition below.
`interactionKeys`	string[]	[]	Sets the column names of data to interact with.
`hoverOpacity`	number	1	Sets opacity of inactive elements when hovering/focused on a map geometry.
`onInitialLoadEvent`	function	`undefined`	When initalLoad event occurs (e.g., map is mounted to window), this event handler will be called with the custom event object (e.g., e), containing the corresponding chartID at e.detail. You will need to construct your own functionality of what actions to take within the callback.
`onInitialLoadEndEvent`	function	`undefined`	When initalLoadEnd event occurs (e.g., chart has been mounted to window), this event handler will be called with the custom event object (e.g., e), containing the corresponding chartID at e.detail. You will need to construct your own functionality of what actions to take within the callback.
`onDrawStartEvent`	function	`undefined`	When drawStart event occurs (e.g., map render function is called), this event handler will be called with the custom event object (e.g., e), containing the corresponding chartID at e.detail. You will need to construct your own functionality of what actions to take within the callback.
`onDrawEndEvent`	function	`undefined`	When drawEnd event occurs (e.g., map's stencil lifecycle completes), this event handler will be called with the custom event object (e.g., e), containing the corresponding chartID at e.detail. You will need to construct your own functionality of what actions to take within the callback.
`onTransitionEndEvent`	function	`undefined`	When transitionEnd event occurs (e.g., map geometry's transition lifecycle completes), this event handler will be called with the custom event object (e.g., e), containing the corresponding chartID at e.detail. You will need to construct your own functionality of what actions to take within the callback.

IClickStyleType Definition

Name	Type	Default Value(s)	Description
`color`	string	''	Sets the color of the clicked element (requires clickHighlight to be valid and sent).
`strokeWidth`	number	2	Sets the stroke width of the clicked element (requires clickHighlight to be valid and sent).

IHoverStyleType Definition

Name	Type	Default Value(s)	Description
`color`	string	''	Sets the color of the hovered element (requires hoverHighlight to be valid and sent).
`strokeWidth`	number	2	Sets the stroke width of the hovered element (requires hoverHighlight to be valid and sent).

// example of interactivity code
// note this only tracks a single click, you need your own logic to build the array of currnet selections made by user and then pass that result back to map
//...
const clickHandler = evt => {
  const d = evt.detail.data; // data is located here
  const t = evt.detail.target; // chart mark/label clicked is located here

  this.currentClickedElement = [d]; // this is passed to clickHighlight prop
};

const hoverHandler = evt => {
  const d = evt.detail.data; // data is located here
  const t = evt.detail.target; // chart mark/label clicked is located here

  this.currentHoveredElement = d; // this is passed to hoverHighlight prop
};

const mouseOutHandler = evt => {
  this.currentHoveredElement = ''; // this is passed to hoverHighlight prop
};

// an example of calling these from within a stencil.js component
<world-map
  data={[{ data }]}
  joinAccessor={'Country Code'}
  joinNameAccessor={'Name'}
  valueAccessor={'Value'}
  interactionKeys={['Name']}
  onClickEvent={this.onClickEvent}
  clickHighlight={this.currentClickedElement}
  clickStyle={this.clickStyle}
  onHoverEvent={this.onHoverEvent}
  onMouseOutEvent={this.onMouseOut}
  hoverHighlight={this.currentHoveredElement}
  hoverStyle={this.hoverStyle}
/>;
//...

# Label Props <>

Name	Type	Default Value(s)	Description
`dataLabel`	object (custom type)	IDataLabelType	Controls visibility, styling and placement of data labels, see object definition below.
`dataKeyNames`	object	`undefined`	Object that contains mapping of data keys (e.g., accessors) and user friendly names of the data fields. This prop can be used to enable translation of data keys between languages, or just provide a meaningful name for data elements within a chart. The key:value pairs in this object will effect tooltips, data table, aria labels, axes, etc. Anywhere in chart where data key may be exposed to consumers.
`legend`	object (custom type)	ILegendType	Controls visibility and label of the map legend, see object definition below.
`showTooltip`	boolean	true	When selected, allows tooltips to be displayed.
`tooltipLabel`	object (custom type)	ITooltipLabelType	Controls visibility, content and format of the map's tooltip, see object definition below.

IDataLabelType Definition

Name	Type	Default Value(s)	Description
`labelAccessor`	string	''	Key that determines which property of the data is displayed in the label.
`visible`	boolean	false	Toggles the visibility (opacity) of the data labels.
`placement`	string	'bottom'	Sets the placement of the data label, accepts 'bottom'. Placement option 'auto' leverages the resolveLabelCollision algorithm and places labels without overlaps in available space on the chart.
`format`	string	''	Sets the formatting for the data labels, EG %b, refer to d3-time-format and numeral.js. If used with `text` or `string` values, the value declared in `labelAccessor` will be used without any additional formatting.
`collisionHideOnly`	boolean	false	Toggles whether to run resolveLabelCollision algorithm and hide labels if collision is detected (vs hide and then place). This is overridden by placement being set to `auto`.

ILegendType Definition

Name	Type	Default Value(s)	Description
`visible`	boolean	true	Toggles the visibility (opacity/display) of the legend.
`interactive`	boolean	false	Toggles the interactivity of the legend.
`type`	string	'key'	Changes legend type. Accepts 'default', 'key', or 'gradient'.
`format`	string	'0[.][0][0]a'	Sets the formatting for the legend labels, EG %b, refer to d3-time-format and numeral.js.
`labels`	string[]	''	An array that sets each label in the legend, in order. Passing empty string will populate legend labels directly from data values.

ITooltipLabelType Definition

Name	Type	Default Value(s)	Description
`labelAccessor`	string[]	[]	An array that determines which property of the data is displayed in the tooltip.
`labelTitle`	string[]	[]	An array that sets the title for each data property in the tooltip.
`format`	string	''	Sets the formatting for the data properties in the tooltip, EG %b, refer to d3-time-format and numeral.js.

# Margin & Padding Props <>

Name	Type	Default Value(s)	Description
`margin`	object (custom type)	IBoxModelType	Margin between the subtitle and the map area, or between the title and map area if no subtitle is specified, see object definition below.
`padding`	object (custom type)	IBoxModelType	Adds padding to plot area, see object definition below.

IBoxModelType Definition

Name	Type	Default Value(s)	Description
`top`	number	height * 0.01	Sets the top margin/padding for the map container.
`bottom`	number	height * 0.01	Sets the bottom margin/padding for the map container.
`left`	number	width * 0.01	Sets the top margin/padding for the map container.
`right`	number	width * 0.01	Sets the top margin/padding for the map container.

# Style Props <>

Name	Type	Default Value(s)	Description
`colorPalette`	string	'sequential_blue'	Sets the color palette of the countries/markers. Overridden by colors. Included color palettes can be found in our color utility.
`colorSteps`	number	4	Specifies the number of steps to use from colorPalette, overridden by colors.
`colors`	string[]	`undefined`	Accepts array of color strings or values to customize colors.

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# Installation Steps

# Props Documentation

# Base Props <>

ISubTitleType Definition

IKeywordsHighlightType Definition

# Data Props <>

# Accessibility Props <>

IAccessibilityType Definition

# Localization Props <>

ILocalizationType Definition

# Annotation Props <>

annotations object definition

# Map & Marker Props <>

ICountryStyleType Definition

IMarkerStyleType Definition

# Event Props <>

IClickStyleType Definition

IHoverStyleType Definition

# Label Props <>

IDataLabelType Definition

ILegendType Definition

ITooltipLabelType Definition

# Margin & Padding Props <>

IBoxModelType Definition

# Style Props <>

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@visa/world-map

# Installation Steps

# Props Documentation

# Base Props <>

ISubTitleType Definition

IKeywordsHighlightType Definition

# Data Props <>

# Accessibility Props <>

IAccessibilityType Definition

# Localization Props <>

ILocalizationType Definition

# Annotation Props <>

annotations object definition

# Map & Marker Props <>

ICountryStyleType Definition

IMarkerStyleType Definition

# Event Props <>

IClickStyleType Definition

IHoverStyleType Definition

# Label Props <>

IDataLabelType Definition

ILegendType Definition

ITooltipLabelType Definition

# Margin & Padding Props <>

IBoxModelType Definition

# Style Props <>