• Reduce fn that joins neighboring strings

    Given an array of strings, returns a new array where all neighboring strings have been joined.

    let arr = ["foo", "bar", 1, "baz", "", "qux" ];
    arr.reduce(joinNeighborsR, []) // ["foobar", 1, "bazqux" ]

    Parameters

    • acc: any
    • x: any

    Returns any