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PackageFactory.AtomicFusion.PropTypes

Validate the props passed to a component via @propType annotation. The syntax for the propType annotation is derived from react-propTypes.

ATTENTION: This package is by default only validating the props in development-context.

This will validate the given props with the validator that created in the @propTypes section via.

Fusion Validator Prototypes

Proptypes can also be specified via fusion objects.

Methods that are supported by the propTypes helper

• PropTypes.any: Accepts any value including null.
• PropTypes.boolean: Validate that a boolean value is given, accepts null.
• PropTypes.integer: Validate that an integer is given, accepts null.
• PropTypes.float:
  Validate that an float is given, accepts null.
• PropTypes.string:
  Validate that an string is given, accepts null.
• PropTypes.regex('/pattern/'): Validate that the given string matches the pattern
• PropTypes.oneOf([123, "foo", "bar"]): Validate the value equals one of the given options.
• PropTypes.arrayOf( PropTypes.string ): Validate an array was given and all validate with the given validator, accepts null.
• PropTypes.anyOf( PropTypes.string, PropTypes.integer ): Validate the value validates at least with one of the given validators, accepts null.
• PropTypes.dataStructure({'foo': PropTypes.integer, 'bar': PropTypes.string}): Validate the keys of the given array validate with the assigned Validator, accepts null and ignores all other keys. The key validators have to define wether a single key is required.
• PropTypes.shape({'foo': PropTypes.integer, 'bar': PropTypes.string}): Validate the keys of the given array validate with the assigned Validator, accepts null and ignores all other keys. The key validators have to define wether a single key is required.
• PropTypes.fileExists: Validate that a given value is an existing file.
• PropTypes.instanceOf('Neos.Neos:Document'): Validate the value with the given type, if the value is a Node the NodeType is checked instead of the php-class, accepts null.

Making values mandatory

• PropTypes.*.isRequired: To ensure a value is given the isRequired-method can be called after the type-validation. This adds an additional notEmpty validator to enforce that a value is given.

How it works

If the validation is enabled an aspect is wrapped around the evaluate method of Neos.Fusion:Component and PackageFactory.AtomicFusion:Component implementations.

This aspect will evaluated the keys in the @propTypes section wich are expected to return Flow-Validators (Neos\Flow\Validation\Validator\ValidatorInterface). Next the current prop-value ford each key is evaluated and passed to the validator. If any of the validation results contains errors a fusion-error is thrown.

The PropTypes-EelHelper is a wrapper around the PackageFactory\AtomicFusion\PropTypes\Validators\PropTypeValidator which is an EelHelper and Validator at the same time. This Object is creates an compound-validator that is controlled in a react-propTypes like syntax via eel.

By creating FusionObjects or EelHelpers that return custom validators you can extend this mechanism if needed.

Strict mode

In strict mode an error is thrown if an unvalidated prop is passed to a component in development context. This ensures that all props are validated.

To enable strict mode for a component add @strict = true to the @propTypes.

Settings

The propType-validation is enabled via settings. By default this setting is enabled for Development and Testing context but not enabled for Production.

Installation

PackageFactory.AtomicFusion.PropTypes is available via packagist. Just run composer require packagefactory/atomicfusion-proptypes.

We use semantic-versioning so every breaking change will increase the major-version number.

License

see LICENSE file