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webpack-plugin-recipes

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Use whenever you face a webpack-build problem that ends with needing to write a plugin — 26 production-shaped recipes covering bundle-size budgets, forbidden architectural imports, env-var validation, secret-leak prevention, build-info injection, asset manifests, license walking, SRI hashes, virtual modules (Vite-style), filesystem routing (Next.js-style), generated barrels, runtime-driven TS types, library replacement (react→preact), debug-stripping, conditional polyfills, dynamic banners, feature flags, build-duration regression tracking, desktop/Slack notifications, changed-chunks diffing, browser auto-open, gzip/brotli pre-compression, image optimization, type-based dist layout, empty-chunk cleanup, cache-busting query strings. Each recipe is a complete working plugin drawn from production patterns at Next.js, Storybook, webpack-contrib. Trigger when the user asks how to do X with webpack or whether a plugin exists for X. Companion to webpack-plugin-authoring.

skills/.experimental/webpack-plugin-recipes/SKILL.md

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# dot-skills Webpack 5 Plugins Best Practices

Cookbook of 26 production-shaped webpack 5 plugins, organized by the problem they solve. Each recipe starts with a clearly defined problem statement ("here's what hurts without this"), shows the naive non-plugin approach, then provides a complete working plugin (60-150 lines) with explanation, variations, and "when NOT to use" guidance.

Companion to [`webpack-plugin-authoring`](../webpack-plugin-authoring/) — authoring teaches *how* to write any plugin correctly; recipes teach *which* plugin to write for a specific pain point. Recipes cross-reference the authoring rules they apply.

## When to Apply

Reference these recipes whenever:

- A team has a recurring build-time problem that "feels like it should be a plugin" (architecture rules, secret leak prevention, asset organization)
- You need to integrate webpack output with downstream systems (SSR servers, CDNs, monitoring)
- You're considering whether to write your own plugin OR adopt an existing one — these recipes show the underlying pattern so you can judge fit
- Migrating from another bundler and need to recreate framework-style features (filesystem routing, virtual modules)
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