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46 lines
790 B
JavaScript
46 lines
790 B
JavaScript
'use strict';
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/**
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* methods a collection must implement
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*/
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const methods = [
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'find',
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'findOne',
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'updateMany',
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'updateOne',
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'replaceOne',
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'count',
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'distinct',
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'findOneAndDelete',
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'findOneAndUpdate',
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'aggregate',
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'findCursor',
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'deleteOne',
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'deleteMany'
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];
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/**
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* Collection base class from which implementations inherit
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*/
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function Collection() {}
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for (let i = 0, len = methods.length; i < len; ++i) {
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const method = methods[i];
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Collection.prototype[method] = notImplemented(method);
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}
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module.exports = exports = Collection;
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Collection.methods = methods;
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/**
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* creates a function which throws an implementation error
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*/
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function notImplemented(method) {
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return function() {
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throw new Error('collection.' + method + ' not implemented');
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};
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}
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