Simple Chat Room in NodeJS, expressJS and mongoDB in Docker Swarm
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'use strict';
/**
* methods a collection must implement
*/
var methods = [
'find',
'findOne',
'update',
'updateMany',
'updateOne',
'replaceOne',
'remove',
'count',
'distinct',
'findAndModify',
'aggregate',
'findStream',
'deleteOne',
'deleteMany'
];
/**
* Collection base class from which implementations inherit
*/
function Collection() {}
for (var i = 0, len = methods.length; i < len; ++i) {
var method = methods[i];
Collection.prototype[method] = notImplemented(method);
}
module.exports = exports = Collection;
Collection.methods = methods;
/**
* creates a function which throws an implementation error
*/
function notImplemented(method) {
return function() {
throw new Error('collection.' + method + ' not implemented');
};
}