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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.
10 spots per session maximum — 9 already taken
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30 free minutes with a training advisor — no commitment.
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Don't let this gap widen
Without mastering Prettier, JavaScript and TypeScript codebases suffer from rampant formatting inconsistencies that derail team collaboration.
Developers waste up to 12 hours weekly on style disputes and merge conflicts, costing companies $18,000 per developer annually in lost productivity.
These lapses fuel 35% more production bugs and delay releases by weeks, exposing projects to costly failures and stalling career growth.
Every month without code formatting expertise compounds these risks, eroding competitive edge.
The Master Prettier: Optimize the Quality and Consistency of Your Code 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 Master Prettier: Optimize the Quality and Consistency of Your Code 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 Master Prettier: Optimize the Quality and Consistency of Your Code 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.
Discovery of code normalization challenges. Overview of Prettier's features. Differences between Prettier and classic linters. Local and global installation of Prettier. Main configuration options in .prettierrc. Supported file formats (JS, TS, CSS, JSON, Markdown...). Live demonstration.
Integration of Prettier into Visual Studio Code and other IDEs. Extensions and settings. Define npm scripts to automate formatting. Use Prettier from the command line. Practical configuration exercises: application on a test project.
Prettier + ESLint combination: understand differences and synergies. Shared team configurations. Git hooks (pre-commit, pre-push) with Husky or lint-staged. Integration into CI/CD pipelines. Practical cases of implementation on collaborative projects. Resolution of configuration conflicts. Best practices for sustainable adoption.
Target audience
Developers, web integrators, technical project managers, anyone required to manage or review JavaScript, TypeScript, or front-end code
Prerequisites
Have basics in web development and code editor handling
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