ESM: import FeatureType from "@arcgis/core/layers/support/FeatureType.js";
CDN: const FeatureType = await $arcgis.import("@arcgis/core/layers/support/FeatureType.js");
Class: @arcgis/core/layers/support/FeatureType
Since: ArcGIS Maps SDK for JavaScript 4.4
FeatureType is a subset of features defined in a FeatureLayer that share the same attributes. They are used as a way to categorize your data. For example, the streets in a city streets feature layer could be categorized into three feature types: local streets, collector streets, and arterial streets.
Constructors new FeatureType(properties)
Parameter
optionalSee the properties for a list of all the properties that may be passed into the constructor.
Show inherited properties Hide inherited properties
Property DetailsInherited
Property declaredClass Stringreadonly
Since: ArcGIS Maps SDK for JavaScript 4.7 Accessor since 4.0, declaredClass added at 4.7.
The name of the class. The declared class name is formatted as esri.folder.className.
Domains associated with the feature type. It is an object where the name of each property corresponds with the name of a field containing a domain. If a field's domain is an instance of InheritedDomain, the application will use the domain defined for the field from the layer. If the domain is an instance of CodedValueDomain or RangeDomain then the domain is defined specifically for the given feature type.
The feature type identifier.
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Method DetailsInherited
Method addHandles(handleOrHandles, groupKey)
Since: ArcGIS Maps SDK for JavaScript 4.25 Accessor since 4.0, addHandles added at 4.25.
Adds one or more handles which are to be tied to the lifecycle of the object. The handles will be removed when the object is destroyed.
// Manually manage handles
const handle = reactiveUtils.when(
() => !view.updating,
() => {
wkidSelect.disabled = false;
},
{ once: true }
);
this.addHandles(handle);
// Destroy the object
this.destroy();
Parameters
Handles marked for removal once the object is destroyed.
groupKey *
optionalKey identifying the group to which the handles should be added. All the handles in the group can later be removed with Accessor.removeHandles(). If no key is provided the handles are added to a default group.
clone(){this}
Creates a deep clone of this object. Any properties that store values by reference will be assigned copies of the referenced values on the cloned instance.
Returns
Type Description this A deep clone of the class instance that invoked this method.Creates a new instance of this class and initializes it with values from a JSON object generated from an ArcGIS product. The object passed into the input json parameter often comes from a response to a query operation in the REST API or a toJSON() method from another ArcGIS product. See the Using fromJSON() topic in the Guide for details and examples of when and how to use this function.
Returns
Type Description * | null | undefined Returns a new instance of this class.Inherited
Method hasHandles(groupKey){Boolean}
Since: ArcGIS Maps SDK for JavaScript 4.25 Accessor since 4.0, hasHandles added at 4.25.
Returns true if a named group of handles exist.
Parameter
groupKey *
optionalA group key.
Returns
Type Description Boolean Returnstrue if a named group of handles exist.
Example
// Remove a named group of handles if they exist.
if (obj.hasHandles("watch-view-updates")) {
obj.removeHandles("watch-view-updates");
}Inherited
Method removeHandles(groupKey)
Since: ArcGIS Maps SDK for JavaScript 4.25 Accessor since 4.0, removeHandles added at 4.25.
Removes a group of handles owned by the object.
Parameter
groupKey *
optionalA group key or an array or collection of group keys to remove.
Example
obj.removeHandles(); // removes handles from default group
obj.removeHandles("handle-group");
obj.removeHandles("other-handle-group");RetroSearch is an open source project built by @garambo | Open a GitHub Issue
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