Type alias ReadOnlyCollection<Item>

ReadOnlyCollection<Item>: ArrayLike<Item> | ReadOnlyRecord<PropertyKey, Item>

Read-only collection (ArrayLike or ReadOnlyRecord).

Remarks

Read-only type union of ArrayLike or ReadOnlyRecord.

Example

const record: ReadOnly<Record<string, Array<number>>> = {
    "🟢": [1, 2, 3],
    "🟩": [4, 5, 6],
};
record["🟢"][0] = 7; // Error

See

Type Parameters

Item = unknown

Type of the items in the collection.