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This example extends from the Loaders.Base base class. At the moment it is the only loader class available.

API

The JavaScript API, including all properties and methods to be overwritten, is documented in the Custom Widgets API.main entry point to a loader is the customLoad() method. This method should be implemented in a custom loader and is executed before any dashboard content is loaded.

Loading custom CSS

return Loaders.Base.extend({
    customLoad: function () {
        this.customResources['loader.css']();
    },
});