Type Alias $<T, $O>

$<T, $O>: $IsExact<$O, {
    $else: $IsDistributive<$O, {
        $else: [T] extends readonly [any[]]
            ? $ResolveBranch<T, $O, [$Then]>
            : $ResolveBranch<T, $O, [$Else]>;
        $then: T extends readonly any[]
            ? $ResolveBranch<T, $O, [$Then]>
            : $ResolveBranch<T, $O, [$Else]>;
    }>;
    $then: $IsDistributive<$O, {
        $else: [T] extends [readonly any[]]
            ? number extends T["length"]
                ? $ResolveBranch<T, $O, [$Then]>
                : $ResolveBranch<T, $O, [$Else]>
            : $ResolveBranch<T, $O, [$Else]>;
        $then: T extends readonly any[]
            ? number extends T["length"]
                ? $ResolveBranch<T, $O, [$Then]>
                : $ResolveBranch<T, $O, [$Else]>
            : $ResolveBranch<T, $O, [$Else]>;
    }>;
}>

🧰 type util

Validate if T is an array.

This is a type util for building custom types. It does not check against special types.

Type Parameters

T
$O extends IsArray.$UtilOptions