ajv-formats

What is ajv-formats?

The ajv-formats package provides support for string formats in JSON Schema validation using the AJV validator. It includes various string formats for date-time, email, hostname, ipv4, ipv6, uri, uri-reference, uuid, and more, which can be used to validate data against specific format requirements.

What are ajv-formats's main functionalities?

Date-time format validation

Validates that a string is a valid date-time representation according to the format specified in the JSON Schema.

{"type":"string","format":"date-time"}

Email format validation

Validates that a string is a valid email address.

{"type":"string","format":"email"}

URI format validation

Validates that a string is a valid URI.

{"type":"string","format":"uri"}

UUID format validation

Validates that a string is a valid UUID.

{"type":"string","format":"uuid"}

Other packages similar to ajv-formats

jsonschema

The jsonschema package is a JSON Schema validator that also provides format validation. It supports similar functionalities to ajv-formats but is implemented in a different way and may have different performance characteristics.

tv4

tv4 is a tiny validator for JSON Schema v4. Like ajv-formats, it can validate formats specified in a JSON Schema, but it is less feature-rich and not as actively maintained as AJV.

joi

Joi is a powerful schema description language and data validator for JavaScript. Unlike ajv-formats, Joi does not use JSON Schema but instead provides its own schema definition language, which can be more expressive and easier to use for some developers.

README

ajv-formats

Format validation for Ajv v7 (WIP)