Hi, I can no longer override fetchTile() in WebTileLayer.createSubclass() after I upgrade the ES module from version 4.24.* to version 4.25.*. It is no longer call the fetchTile() function. I tried the CDN version from https://js.arcgis.com/4.25/ but its working fine
Like @AndyGup said, it's a regression. If you override `fetchTile()` I'd suggest to extend `BaseTileLayer` https://developers.arcgis.com/javascript/latest/api-reference/esri-layers-BaseTileLayer.html which is better suited for extensibility.
Hi @AriefAbuBakar it's very possible that your code was working accidentally. You need to use the "extends" keyword when building subclasses with ES modules: https://developers.arcgis.com/javascript/latest/implementing-accessor/#create-a-simple-subclass. It can be challenging when overriding API functionality because properties, methods and patterns within the underlying API Class are subject to change.
// Psuedo-example using @arcgis/core ES modules class ExampleWebTileLayer extends WebTileLayer { constructor(properties?:any) { super(properties); } . . . }
Update - this looks like a regression at 4.25, thanks for reporting. We've opened an issue to fix it.
@AriefAbuBakarthis is now fixed and will be available at 4.26. You can test it today by installing the latest 'next' build:
npm i @arcgis/core@next
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