Mongoose Validation: Your Schema's Built-in Guard
Source: mongoosejs.comintermediate
Mongoose validation is a guard at the application layer, ensuring data conforms to schema rules before hitting the database. Use it for required fields, lengths, and ranges. The `unique` option is for database indexes, not a Mongoose validation rule.
Mongoose validation is a guard at your application layer, ensuring data conforms to schema rules before a database write. It's middleware that runs automatically before `.save()`. Use it for required fields, number ranges, or string enums, even conditionally. The `unique` schema option is a common footgun; it builds a database index, it is not a Mongoose validator.
Read the original → mongoosejs.com
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