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assertDefined

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Midnight.js API Reference v4.0.4

Midnight.js API Reference / @midnight-ntwrk/midnight-js-utils / assertDefined

Function: assertDefined()

assertDefined<A>(value, message?): asserts value is NonNullable<A>

Asserts that the given value is non-nullable.

Type Parameters​

A​

A

Parameters​

value​

A | null | undefined

The value to test for nullability.

message?​

string

The error message to use if an error is thrown.

Returns​

asserts value is NonNullable<A>

Throws​

Error If the value is nullable.