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Showing content from https://developers.arcgis.com/javascript/latest/api-reference/esri-views-BasemapView.html below:

BasemapView | API Reference | ArcGIS Maps SDK for JavaScript 4.33

ESM: import BasemapView from "@arcgis/core/views/BasemapView.js";

CDN: const BasemapView = await $arcgis.import("@arcgis/core/views/BasemapView.js");

Class: @arcgis/core/views/BasemapView

Since: ArcGIS Maps SDK for JavaScript 4.13

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A collection containing a hierarchical list of all the created LayerViews of the base layers in the map.

declaredClass

Inherited

Property declaredClass Stringreadonly

The name of the class. The declared class name is formatted as esri.folder.className.

A collection containing a hierarchical list of all the created LayerViews of the reference layers in the map. The reference layers will be displayed on top of all layers in the map.

updating Property updating Booleanreadonly

Value is true when the basemap is updating; for example, if it is in the process of fetching data.

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addHandles

Inherited

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 *

optional

Key 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.

hasHandles

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 *

optional

A group key.

Returns

Type Description Boolean Returns true 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");
}

removeHandles

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 *

optional

A 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");

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