@firebase/firestore
Version:
The Cloud Firestore component of the Firebase JS SDK.
151 lines (150 loc) • 6.14 kB
TypeScript
/**
* @license
* Copyright 2017 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { SnapshotVersion } from '../core/snapshot_version';
import { DocumentKey } from './document_key';
import { ObjectValue } from './object_value';
import { FieldPath } from './path';
/**
* Represents a document in Firestore with a key, version, data and whether the
* data has local mutations applied to it.
*/
export interface Document {
/** The key for this document */
readonly key: DocumentKey;
/**
* The version of this document if it exists or a version at which this
* document was guaranteed to not exist.
*/
readonly version: SnapshotVersion;
/**
* The timestamp at which this document was read from the remote server. Uses
* `SnapshotVersion.min()` for documents created by the user.
*/
readonly readTime: SnapshotVersion;
/**
* The timestamp at which the document was created. This value increases
* monotonically when a document is deleted then recreated. It can also be
* compared to `createTime` of other documents and the `readTime` of a query.
*/
readonly createTime: SnapshotVersion;
/** The underlying data of this document or an empty value if no data exists. */
readonly data: ObjectValue;
/** Returns whether local mutations were applied via the mutation queue. */
readonly hasLocalMutations: boolean;
/** Returns whether mutations were applied based on a write acknowledgment. */
readonly hasCommittedMutations: boolean;
/**
* Whether this document had a local mutation applied that has not yet been
* acknowledged by Watch.
*/
readonly hasPendingWrites: boolean;
/**
* Returns whether this document is valid (i.e. it is an entry in the
* RemoteDocumentCache, was created by a mutation or read from the backend).
*/
isValidDocument(): boolean;
/**
* Returns whether the document exists and its data is known at the current
* version.
*/
isFoundDocument(): boolean;
/**
* Returns whether the document is known to not exist at the current version.
*/
isNoDocument(): boolean;
/**
* Returns whether the document exists and its data is unknown at the current
* version.
*/
isUnknownDocument(): boolean;
isEqual(other: Document | null | undefined): boolean;
/** Creates a mutable copy of this document. */
mutableCopy(): MutableDocument;
toString(): string;
}
/**
* Represents a document in Firestore with a key, version, data and whether it
* has local mutations applied to it.
*
* Documents can transition between states via `convertToFoundDocument()`,
* `convertToNoDocument()` and `convertToUnknownDocument()`. If a document does
* not transition to one of these states even after all mutations have been
* applied, `isValidDocument()` returns false and the document should be removed
* from all views.
*/
export declare class MutableDocument implements Document {
readonly key: DocumentKey;
private documentType;
version: SnapshotVersion;
readTime: SnapshotVersion;
createTime: SnapshotVersion;
data: ObjectValue;
private documentState;
private constructor();
/**
* Creates a document with no known version or data, but which can serve as
* base document for mutations.
*/
static newInvalidDocument(documentKey: DocumentKey): MutableDocument;
/**
* Creates a new document that is known to exist with the given data at the
* given version.
*/
static newFoundDocument(documentKey: DocumentKey, version: SnapshotVersion, createTime: SnapshotVersion, value: ObjectValue): MutableDocument;
/** Creates a new document that is known to not exist at the given version. */
static newNoDocument(documentKey: DocumentKey, version: SnapshotVersion): MutableDocument;
/**
* Creates a new document that is known to exist at the given version but
* whose data is not known (e.g. a document that was updated without a known
* base document).
*/
static newUnknownDocument(documentKey: DocumentKey, version: SnapshotVersion): MutableDocument;
/**
* Changes the document type to indicate that it exists and that its version
* and data are known.
*/
convertToFoundDocument(version: SnapshotVersion, value: ObjectValue): MutableDocument;
/**
* Changes the document type to indicate that it doesn't exist at the given
* version.
*/
convertToNoDocument(version: SnapshotVersion): MutableDocument;
/**
* Changes the document type to indicate that it exists at a given version but
* that its data is not known (e.g. a document that was updated without a known
* base document).
*/
convertToUnknownDocument(version: SnapshotVersion): MutableDocument;
setHasCommittedMutations(): MutableDocument;
setHasLocalMutations(): MutableDocument;
setReadTime(readTime: SnapshotVersion): MutableDocument;
get hasLocalMutations(): boolean;
get hasCommittedMutations(): boolean;
get hasPendingWrites(): boolean;
isValidDocument(): boolean;
isFoundDocument(): boolean;
isNoDocument(): boolean;
isUnknownDocument(): boolean;
isEqual(other: Document | null | undefined): boolean;
mutableCopy(): MutableDocument;
toString(): string;
}
/**
* Compares the value for field `field` in the provided documents. Throws if
* the field does not exist in both documents.
*/
export declare function compareDocumentsByField(field: FieldPath, d1: Document, d2: Document): number;