Checklists

The readiness checklist, the list of fast-moving facts to re-verify the week before, and the study plan.

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You are ready when you can do each of these without notes. Layers first, because that is the job.

Explain what a layer can and cannot ship compared with a module, and give the "if it needs an if, it is a module" rule with an example of each. Layers
State the layer priority order (project > layers/ Z-to-A > extends first-wins) and describe the experiment that proves it. Layers
Write a layer nuxt.config from memory that registers CSS, a module and a route rule with paths resolved from import.meta.url. Layers
Explain how runtimeConfig, app.config and module options merge across a layer and an app, and which one to use for a secret, a theme token and a per-environment URL. Layers
Show three ways an app customises a layer component (configure, wrap via Layers
Describe how a module discovers files across layers (getLayerDirectories / _layers, project first) and why the order matters. Layers
Publish a layer to a registry or consume it from a git tag, and list the package.json fields that make it work. Layers
Describe how you would test a layer with fixture apps, including the override test and a fixture outside the layer folder, and what runs in the CI matrix. Layers
Name eight layer pitfalls with their symptom and fix (aliases, missing nuxt.config, .env, Tailwind sources, name collisions, duplicate plugins, ordering, remote dependencies). Layers
Design the public surface of a design-system layer and explain how breaking changes to it are rolled out. Layers
Draw the three worlds (build, server runtime, client runtime) and say which of your files lives in each. Modules
Explain the four ways to get a module option to runtime and pick the right one for three different options. Modules
Describe nuxt build from config load to .output in under two minutes. Internals
Name ten kit helpers and what each does internally. Modules
Write a template plus a type template from memory. Modules
List the build hooks you would use for six common goals. Modules
Explain moduleDependencies versus installModule. Modules
Describe the module test pyramid and what runs in your CI matrix. Modules
Give the top seven hydration causes with their fixes, and the production debugging flag. Hydration
Explain why SSR leaks more easily, name three Nuxt-specific leak patterns, and describe a heap-snapshot comparison. Memory
Explain payload size, waterfalls, caching layers and lazy hydration as performance levers, each with how you would measure it. Perf
Summarise Nuxt 4.5 and the known Nuxt 5 changes, and what they mean for layer and module authors. Landscape
Tell five stories and ask five questions.
Point at a published layer or module you built this month and walk through its notes and decisions.