Class FieldPath (7.2.0)

A dot-separated path for navigating sub-objects (e.g. nested maps) within a document.

Inheritance

Path<FieldPath> > FieldPath

Package

Constructors

(constructor)(segments)

constructor(...segments: string[]);

Constructs a Firestore Field Path.

Parameter
Name	Description
`segments`	`string[]` Sequence of field names that form this path.

Example


let query = firestore.collection('col');
let fieldPath = new FieldPath('f.o.o', 'bar');

query.where(fieldPath, '==', 42).get().then(snapshot => {
  snapshot.forEach(document => {
    console.log(`Document contains {'f.o.o' : {'bar' : 42}}`);
  });
});

Methods

documentId()

static documentId(): FieldPath;

A special FieldPath value to refer to the ID of a document. It can be used in queries to sort or filter by the document ID.

Returns
Type	Description
`FieldPath`	{FieldPath}

isEqual(other)

isEqual(other: FieldPath): boolean;

Returns true if this FieldPath is equal to the provided value.

Parameter
Name	Description
`other`	`FieldPath` The value to compare against. {boolean} true if this `FieldPath` is equal to the provided value.

Returns
Type	Description
`boolean`