Generate spacing classes

spacing.styl

/*

    Usage: {shorthand for rule}{shorthand for direction}{integer-index}

    {shorthand for rule}
    p - padding
    m - margin

    {shorthand for direction}
    t - top
    r - right
    b - bottom
    l - left
    v - vertical
    h - horizontal
    a - all

    {integer-index}
    [1-8]

*/

t(rule, size, u)
    {rule}-top (u ? unit(size, u) : size)
r(rule, size, u)
    {rule}-right (u ? unit(size, u) : size)
b(rule, size, u)
    {rule}-bottom (u ? unit(size, u) : size)
l(rule, size, u)
    {rule}-left (u ? unit(size, u) : size)
v(rule, size, u)
    t(rule, size, u)
    b(rule, size, u)
h(rule, size, u)
    r(rule, size, u)
    l(rule, size, u)
a(rule, size, u)
    {rule} (u ? unit(size, u) : size)

spacing(base, numSizes)
    for n in a v h t r b l
        for m in 0..numSizes
            .p{n}{m}
                n(padding, (m*base), "px")
            .m{n}{m}
                n(margin, (m*base), "px")
        .m{n}a
            n(margin, auto, false)

spacing(10, 8)