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mongoose

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'use strict'; module.exports = function applyWriteConcern(schema, options) { if (options.writeConcern != null) { return; } // Don't apply default write concern to operations in transactions, // because setting write concern on an operation in a transaction is an error // See: https://www.mongodb.com/docs/manual/reference/write-concern/ if (options && options.session && options.session.transaction) { return; } const writeConcern = schema.options.writeConcern ?? {}; if (Object.keys(writeConcern).length != 0) { options.writeConcern = {}; if (!('w' in options) && writeConcern.w != null) { options.writeConcern.w = writeConcern.w; } if (!('j' in options) && writeConcern.j != null) { options.writeConcern.j = writeConcern.j; } if (!('wtimeout' in options) && writeConcern.wtimeout != null) { options.writeConcern.wtimeout = writeConcern.wtimeout; } } else { if (!('w' in options) && writeConcern.w != null) { options.w = writeConcern.w; } if (!('j' in options) && writeConcern.j != null) { options.j = writeConcern.j; } if (!('wtimeout' in options) && writeConcern.wtimeout != null) { options.wtimeout = writeConcern.wtimeout; } } };