58 lines
1.1 KiB
JavaScript
58 lines
1.1 KiB
JavaScript
/**
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* @flow
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* DocumentSnapshot representation wrapper
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*/
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import DocumentReference from './DocumentReference';
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import Path from './Path';
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import { parseNativeMap } from './utils/serialize';
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export type SnapshotMetadata = {
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fromCache: boolean,
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hasPendingWrites: boolean,
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}
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export type DocumentSnapshotNativeData = {
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data: Object,
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metadata: SnapshotMetadata,
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path: string,
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}
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/**
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* @class DocumentSnapshot
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*/
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export default class DocumentSnapshot {
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_data: Object;
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_metadata: SnapshotMetadata;
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_ref: DocumentReference;
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constructor(firestore: Object, nativeData: DocumentSnapshotNativeData) {
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this._data = parseNativeMap(firestore, nativeData.data);
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this._metadata = nativeData.metadata;
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this._ref = new DocumentReference(firestore, Path.fromName(nativeData.path));
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}
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get exists(): boolean {
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return this._data !== undefined;
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}
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get id(): string | null {
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return this._ref.id;
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}
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get metadata(): SnapshotMetadata {
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return _metadata;
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}
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get ref(): DocumentReference {
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return this._ref;
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}
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data(): Object {
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return this._data;
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}
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get(fieldPath: string): any {
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return this._data[fieldPath];
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}
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}
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