Function itemsToArray

itemsToArray<T>(items: T | T[]): T[]

Returns an array of items, wrapping single items in an array.

Normalizes input to always return an array, whether the input was a single item or already an array.

Type Parameters

T

Parameters

items: T | T[]
single item or array of items

Returns T[]

array containing the items

Example

itemsToArray('single') // ['single']
itemsToArray(['already', 'array']) // ['already', 'array']
itemsToArray(42) // [42]
itemsToArray([]) // []

Example

function processFiles(files: string | string[]) {
    const fileArray = itemsToArray(files);

    for (const file of fileArray) {
        console.log(`Processing: ${file}`);
    }
}

processFiles('single.txt'); // Works with single file
processFiles(['file1.txt', 'file2.txt']); // Works with multiple files