FigureOFFourSquares

function figure(n) {
    "use strict";
    let length = n % 2 !== 0 ? n : n - 1;
    let count = (2 * n - 4) / 2;
    let middle = Math.ceil(length / 2);

    for (let i = 1; i <= length; i++) {
        if(i === 1 || i === middle || i === length) {
            console.log(`+${'-'.repeat(count)}+${'-'.repeat(count)}+`);
        }

        else {
            console.log(`|${' '.repeat(count)}|${' '.repeat(count)}|`);

        }
    }
}

figure(5);