server/rule_card.js
var fs=require('fs');
var CARDS_DIRECTORY = '/cards';
var imports=[];
var files = fs.readdirSync(__dirname + CARDS_DIRECTORY);
files.forEach(function(file){
if((/\.js$/).test(file)) {
imports.push( require('.' + CARDS_DIRECTORY + '/' + file) );
}
});
imports.forEach(function(e) {
for(var m in e) {
module.exports[m] = e[m];
}
})