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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.
Which format do you prefer?
30 free minutes with a training advisor — no commitment.
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Discover comprehensive Tailwind CSS training essentials for web developers. Learn utility-first styling, best practices, and future trends shaping web design in April 2026.
Professional Training training in Dallas in July 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
Artificial Intelligence training in Mesa in September 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
Artificial Intelligence training in San Francisco in October 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
Don't let this gap widen
Sans maîtrise de Rollup, vos bundles JavaScript gonflent de 50% en moyenne, augmentant les temps de chargement et faisant perdre 32% de conversions sur les sites e-commerce selon Google.
Les équipes passent 25 heures par semaine en debugging de builds inefficaces, coûtant 15k€ annuels par développeur.
En 2024, 68% des offres d'emploi front-end exigent des bundlers modernes comme Rollup, écartant les profils obsolètes.
Chaque retard en optimisation creuse l'écart concurrentiel, risquant des pertes de parts de marché irreversibles.
The Formation Rollup - Bundler JS pour modules optimisés 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 Formation Rollup - Bundler JS pour modules optimisés 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 Formation Rollup - Bundler JS pour modules optimisés training is carried out through:
Learni is committed to the accessibility of its professional training programs. All our training programs are accessible to people with disabilities. Our teams are available to adapt teaching methods to your specific needs. Do not hesitate to contact us for any accommodation request.
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.
Installation rapide de Rollup via NPM, création d'un premier projet bundler avec exercices pratiques sur des modules ES6 simples, exploration du fichier de configuration pour définir entrées et sorties, tests de bundles en formats IIFE et UMD adaptés aux navigateurs, résolution des dépendances externes et génération de fichiers minifiés, tout en produisant un livrable concret comme une petite bibliothèque utilisable immédiatement en production.
Mise en œuvre du tree-shaking pour éliminer le code mort et réduire les bundles de 40% en moyenne, intégration de plugins populaires comme @rollup/plugin-node-resolve et terser pour une minification professionnelle, configuration de sourcemaps pour un debugging fluide en équipe, exercices sur des cas d'entreprise avec multi-entrées et outputs conditionnels, finalisation par le packaging et la publication d'une bibliothèque NPM complète, prête pour un usage en entreprise certifiante.
Target audience
Développeurs JavaScript, ingénieurs front-end et responsables techniques pour une montée en compétences sur les outils de bundling
Prerequisites
Connaissances de base en JavaScript ES6+, utilisation de NPM et Node.js
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