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编辑当前文件:/home/freeclou/app.optimyar.com/backend/node_modules/mongodb/lib/operations/is_capped.js
'use strict'; const OptionsOperation = require('./options_operation'); const handleCallback = require('../utils').handleCallback; class IsCappedOperation extends OptionsOperation { constructor(collection, options) { super(collection, options); } execute(callback) { super.execute((err, document) => { if (err) return handleCallback(callback, err); handleCallback(callback, null, !!(document && document.capped)); }); } } module.exports = IsCappedOperation;