Collection.firstWhere()
Get the first matching accessible collection.
Signature
Collection.firstWhere(predicate: () => Boolean)): CollectionDef | NullCollectionDef
Collection.firstWhere(predicate: (val: Collection) => Boolean)): CollectionDef | NullCollectionDef
Description
Each collection in a Fauna database is represented by a collection object. This method returns the first accessible collection object that matches the predicate function.
Parameters
Parameter | Type | Required | Description |
---|---|---|---|
predicate |
Yes |
Anonymous function that compares values in each collection document
and returns |
Return value
One of:
Type | Description |
---|---|
First accessible collection definition document matching the predicate function. |
|
NullCollectionDef |
No collections match the predicate function or all matching collections are inaccessible. |
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