A Meteor package that extends Mongo.Collection to provide schema validation for inserts and updates.
Collection2 is a Meteor package that extends Mongo.Collection to support schema validation using SimpleSchema. It automatically validates documents against a defined schema during inserts and updates, ensuring data integrity across client and server. This allows developers to enforce data structure rules directly at the collection level.
Meteor developers building applications with MongoDB who need to enforce data schemas and validation for client-side inserts and updates. It's particularly useful for projects requiring data consistency and security in full-stack JavaScript applications.
Developers choose Collection2 because it integrates seamlessly with Meteor's reactivity and MongoDB, providing automatic, bi-directional validation that enhances data security without sacrificing development speed. Its tight integration with the Meteor ecosystem and support for advanced features like autoValues and multiple schemas make it a robust solution for schema enforcement.
A Meteor package that extends Mongo.Collection to provide support for specifying a schema and then validating against that schema when inserting and updating.
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Automatically validates documents on both client and server, allowing secure client-side operations while maintaining data integrity, as highlighted in the README's 'Why Use Collection2' section.
Removes properties not in the schema and converts values to expected types, preventing invalid data storage, with options to skip cleaning for performance, as described in the 'Inserting or Updating Without Cleaning' section.
Supports multiple schemas per collection using selectors, enabling polymorphic collections and targeted validation, as explained in 'Attaching Multiple Schemas to the Same Collection'.
Allows autoValue functions to generate timestamps or computed fields during operations, reducing boilerplate code, with examples provided in the 'autoValue' section.
Validating updates on subobjects or arrays can lead to unintuitive failures, as noted in the 'Problems' section, requiring careful handling like $setting entire objects or skipping validation.
Default validation adds processing time; large documents suffer from object parsing delays, and bypassing requires explicit options like bypassCollection2, which only works on the server.
Tightly coupled with Meteor's ecosystem and MongoDB, making migration to other stacks difficult without significant rework, as it relies on Mongo.Collection and Meteor-specific packages.