65 lines
2.0 KiB
TypeScript
65 lines
2.0 KiB
TypeScript
import { localize } from '../localize/localize';
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import { AdvancedCameraCardError, CardHelpers, LovelaceCardWithEditor } from '../types';
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class HomeAssistantElementsLoadError extends AdvancedCameraCardError {
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constructor() {
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super(localize('error.home_assistant_elements_load_failed'));
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}
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}
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/**
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* Side loads the HA elements this card needs. This trickery is unfortunate
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* necessary, see:
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* - https://github.com/thomasloven/hass-config/wiki/PreLoading-Lovelace-Elements
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*/
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export const sideLoadHomeAssistantElements = async (): Promise<void> => {
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const neededElements = [
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'ha-button',
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'ha-camera-stream',
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'ha-card',
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'ha-combo-box',
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'ha-dropdown-item',
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'ha-dropdown',
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'ha-hls-player',
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'ha-icon-button',
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'ha-icon',
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'ha-menu-button',
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'ha-selector',
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'ha-spinner',
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'ha-state-icon',
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'ha-web-rtc-player',
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'mwc-list-item',
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'state-badge',
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];
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if (neededElements.every((element) => customElements.get(element))) {
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return;
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}
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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const helpers: CardHelpers = await (window as any).loadCardHelpers();
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// This bizarre combination of hacks creates a dummy picture glance card, then
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// waits for it to be fully loaded/upgraded as a custom element, so it will
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// have the getConfigElement() method which is necessary to load all the
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// elements this card requires.
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await helpers.createCardElement({
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type: 'picture-glance',
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entities: [],
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camera_image: 'dummy-to-load-editor-components',
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});
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// Some cast devices have a bug that causes whenDefined to return
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// undefined instead of a constructor.
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// See related: https://issues.chromium.org/issues/40846966
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await customElements.whenDefined('hui-picture-glance-card');
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const pgcConstructor = customElements.get('hui-picture-glance-card');
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if (!pgcConstructor) {
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throw new HomeAssistantElementsLoadError();
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}
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const pgc = new pgcConstructor() as LovelaceCardWithEditor;
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await pgc.constructor.getConfigElement();
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};
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