isGeoJSONGraphicOrigin

import { isGeoJSONGraphicOrigin } from "@arcgis/core/graphic/isGeoJSONGraphicOrigin.js";

Since: ArcGIS Maps SDK for JavaScript 5.0

Provides a utility function to determine whether a graphic's origin is a GeoJSONGraphicOrigin.

Example

// Use hitTest() to get a graphic, then check whether it originated from a GeoJSONLayer.
view.hitTest(screenPoint).then((response) => {
  const graphic = response.results[0]?.graphic;
  if (!graphic) {
    return;
  }
  if (isGeoJSONGraphicOrigin(graphic.origin)) {
    // hitTest returned a graphic from a GeoJSONLayer.
    // Use this info for your processing logic.
  } else {
    console.log("graphic's origin is NOT a GeoJSONLayer");
  }
});

Functions

Name	Return Type	Object
`isGeoJSONGraphicOrigin`	`origin is GeoJSONGraphicOrigin`

Function

Utility function that determines whether a graphic’s origin is a GeoJSONGraphicOrigin.

Signature: isGeoJSONGraphicOrigin (origin: GraphicOrigin | null | undefined): origin is GeoJSONGraphicOrigin

Parameters

Parameter	Type	Description	Required
origin	`GraphicOrigin \| null \| undefined`	The graphic origin to check.

Returns: origin is GeoJSONGraphicOrigin
Returns true if the graphic origin is of type GeoJSONGraphicOrigin, false otherwise.