shell bypass 403
/**
* Return flexbox spec versions by prefix
*/
module.exports = function (prefix) {
let spec
if (prefix === '-webkit- 2009' || prefix === '-moz-') {
spec = 2009
} else if (prefix === '-ms-') {
spec = 2012
} else if (prefix === '-webkit-') {
spec = 'final'
}
if (prefix === '-webkit- 2009') {
prefix = '-webkit-'
}
return [spec, prefix]
}