Method add

packages/firebase-firestore/index.ios.ts:731–741

(data: T)

	}

	add(data: T) {
		return new Promise<DocumentReference<T>>((resolve, reject) => {
			const ref = this.native.addDocumentWithDataCompletion(serializeItems(data), (error) => {
				if (error) {
					reject(FirebaseError.fromNative(error));
				} else {
					resolve(DocumentReference.fromNative(ref));
				}
			});
		});
	}

	doc(documentPath?: string) {
		return DocumentReference.fromNative(documentPath ? this.native.documentWithPath(documentPath) : this.native.documentWithAutoID());