Class DocumentSnapshot

packages/firebase-firestore/index.android.ts:327–384

}

export class DocumentSnapshot<T extends DocumentData = DocumentData> implements IDocumentSnapshot<T> {
	_native: com.google.firebase.firestore.DocumentSnapshot;

	static fromNative(snapshot: com.google.firebase.firestore.DocumentSnapshot) {
		if (snapshot instanceof com.google.firebase.firestore.DocumentSnapshot) {
			const ss = new DocumentSnapshot();
			ss._native = snapshot;
			return ss;
		}
		return null;
	}

	get exists(): boolean {
		return this.native.exists();
	}

	get id(): string {
		return this.native.getId();
	}

	get metadata(): SnapshotMetadata {
		return SnapshotMetadata.fromNative(this.native.getMetadata());
	}

	get ref(): DocumentReference {
		return DocumentReference.fromNative(this.native.getReference());
	}

	data() {
		return deserializeField(this.native.getData());
	}

	get<fieldType extends DocumentFieldType>(fieldPath: string | number | FieldPath): fieldType {
		if (fieldPath instanceof FieldPath) {
			return deserializeField(this.native.get(fieldPath?.native));
		} else {
			return deserializeField(this.native.get(String(fieldPath)));
		}
	}

	toJSON() {
		return {
			exists: this.exists,
			id: this.id,
			metadata: this.metadata,
			ref: this.ref,
			data: this.data,
		};
	}

	get native() {
		return this._native;
	}

	get android() {
		return this.native;
	}
}