Function define

packages/base/src/UI5Element.ts:1414–1445

* Registers a UI5 Web Component in the browser window object * @public

()

	 * @public
	 */
	static define(): typeof UI5Element {
		const defineSequence = async () => {
			await boot(); // boot must finish first, because it initializes configuration
			const result = await Promise.all([
				this.fetchI18nBundles(), // uses configuration
				this.fetchCLDR(),
				this.onDefine(),
			]);
			const [i18nBundles] = result;
			Object.entries(this.getMetadata().getI18n()).forEach((pair, index) => {
				const bundleName = pair[1].bundleName;
				this.i18nBundleStorage[bundleName] = i18nBundles[index];
			});
			this.asyncFinished = true;
		};
		this._definePromise = defineSequence();

		const tag = this.getMetadata().getTag();

		const definedLocally = isTagRegistered(tag);
		const definedGlobally = customElements.get(tag);

		if (definedGlobally && !definedLocally) {
			recordTagRegistrationFailure(tag);
		} else if (!definedGlobally) {
			this._generateAccessors();
			registerTag(tag);
			customElements.define(tag, this as unknown as CustomElementConstructor);
		}

		return this;
	}

	/**
	 * Returns an instance of UI5ElementMetadata.js representing this UI5 Web Component's full metadata (its and its parents')