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Founded by passionate advocates of learning and innovation, Learni set out to make professional training accessible to everyone, everywhere in the world. Our team works in the largest cities such as Paris, Lyon, Marseille, and internationally, to support talents and organizations in their skills development.
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The Training: JavaScript Data Validation with Joi: From Initiation to Mastery training is delivered in-person or remotely (blended-learning, e-learning, virtual classroom, remote in-person). At Learni, a Qualiopi-certified training organization, each program is designed to maximize skills acquisition, regardless of the training mode chosen.
The trainer alternates between demonstrative, interrogative, and active methods (through practical exercises and/or real-world scenarios). This pedagogical approach ensures concrete and directly applicable learning in the workplace.
To ensure the quality of the Training: JavaScript Data Validation with Joi: From Initiation to Mastery training, Learni provides the following teaching resources:
For in-house training at a location external to Learni, the client ensures and commits to having all necessary teaching materials (IT equipment, internet connection...) for the proper conduct of the training action in accordance with the prerequisites indicated in the communicated training program.
The assessment of skills acquired during the Training: JavaScript Data Validation with Joi: From Initiation to Mastery training is carried out through:
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Learni training programs are available for inter-company and intra-company settings, both in-person and remote. Registration is possible up to 48 business hours before the start of training. Our programs are eligible for OPCO, Pôle emploi, and FNE-Formation funding. Contact us to discuss your training project and funding possibilities.
Discovery of back-end data validation; Joi installation; creating first simple schemas; validation of primitive types and first required or optional fields. Basic implementation exercises and understanding the role of typing via Joi.
Define and validate nested objects; array validation and element constraints; handling dynamic structures (alternative schemas, conditionals). Introduction to creating custom validations, business-context constraints, enum handling. Manipulate Joi with real use cases and corrections of practical exercises.
Use Joi in a Node.js/Express project: API input validation middleware, centralized and customized error handling, logging, endpoint securing. Refactoring for scalability. Guided case study: user model validation, complex form handling, asynchronous processing. Tips for maintaining and evolving Joi schemas in a production architecture.
Target audience
Developers, integrators, and project managers wishing to secure data management in Node.js/JavaScript applications
Prerequisites
Master the basics of JavaScript (variables, objects, functions) and Node.js concepts
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