You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
46 lines
790 B
JavaScript
46 lines
790 B
JavaScript
10 months ago
|
'use strict';
|
||
|
|
|
||
|
|
/**
|
||
|
|
* methods a collection must implement
|
||
|
|
*/
|
||
|
|
|
||
|
|
const methods = [
|
||
|
|
'find',
|
||
|
|
'findOne',
|
||
|
|
'updateMany',
|
||
|
|
'updateOne',
|
||
|
|
'replaceOne',
|
||
|
|
'count',
|
||
|
|
'distinct',
|
||
|
|
'findOneAndDelete',
|
||
|
|
'findOneAndUpdate',
|
||
|
|
'aggregate',
|
||
|
|
'findCursor',
|
||
|
|
'deleteOne',
|
||
|
|
'deleteMany'
|
||
|
|
];
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Collection base class from which implementations inherit
|
||
|
|
*/
|
||
|
|
|
||
|
|
function Collection() {}
|
||
|
|
|
||
|
|
for (let i = 0, len = methods.length; i < len; ++i) {
|
||
|
|
const 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');
|
||
|
|
};
|
||
|
|
}
|