// Retrieve a key value from an object
export function get(object, key) {
    var keys = key.split('.')

    for (var i = 0; i < keys.length; i++) {
        if (!object.hasOwnProperty(keys[i])) {
            return null
        }
        object = object[keys[i]]
    }

    return object
}

// Remove margin values from props
const MRE = /^m[trblxy]?$/
export const getProps = test => props => {
    const next = {}
    for (const key in props) {
        if (test(key || '')) next[key] = props[key]
    }
    return next
}
export const getMarginProps = getProps(k => MRE.test(k))
export const omitMarginProps = getProps(k => !MRE.test(k))