js-utils/docs/api/js-utils.setorpush.md

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setOrPush() function

Set a map key to a new array or push to the existing value.

Signature:

export declare function setOrPush<TKey, TVal>(map: Map<TKey, Array<TVal>>, key: TKey, val: TVal | Array<TVal>): void;

Parameters

Parameter	Type	Description
map	Map<TKey, Array<TVal>>
key	TKey
val	TVal | Array<TVal>

Returns:

void