isomorphic-validation

An isomorphic form validation javascript library which runs the same code both client and server side and allows for reusing validation logic for the same fields on different forms.

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Documentation

isomorphic-validation-docs

API overview:

Core module "isomorphic-validation"

The core module of the library exports two entities: Validation and Predicate.

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A Validation object can be created several ways:

- a single Validation is created by the constructor function.
- a grouping Validation is created by the static methods Validation.group() and Validation.glue()
- also a grouping Validation with nested (grouped), bound to form fields Validation objects is created by the Validation.profile() static method.
- and lastly, a single Validation is created by the Validation.clone() method from another Validation.

Nested (grouped) Validation objects are accessed through:

- the Validation().validations property.
- by form field names when created using the Validation.profile() method.

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A Predicate object can be created:

- by the constructor function.
- cloned from another Predicate object when passed into the constructor function.

Predicate objects added to validations can be accessed:

- through the Validation().constraints property.
- in state callbacks through the ValidationResult object passed in.

UI module "isomorphic-validation/ui"

The UI module exports the following set of helper, renderer and effect functions for performing UI side effects:

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- firstInvalid()
- allInvalid()
- toEventHandler()
- createApplyEffect()

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- renderFirstError()
- renderAllErrors()
- renderProperty()

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- applyClass()
- applyOutline()
- applyBackground()
- applyAccess()
- applyBox()