assertcheck v1.0.0

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assertcheck / assert / allInstanceOf

Function: allInstanceOf()

function allInstanceOf<T>(
   arr, 
   ctor, 
   opts?): asserts arr is T[];

Defined in: src/assert.ts:1361

Asserts that all elements are instances of the given constructor. Narrows the type to T[] after the call.

Type Parameters

Type Parameter
T

Parameters

Parameter	Type
arr	unknown[]
ctor	(...args) => T
opts?	Opts

Returns

asserts arr is T[]

Example

`assert.allInstanceOf(events, DomainEvent, "all events must be DomainEvent")`