#42 Support Webpack v5

[kellymears]

Type of change

• MAJOR: breaking change

Affected packages

• all packages

Issues fixed

• Resolves Support Webpack v5 #42

Details

This is a work-in-progress.

Todo

• Fix: runtimeChunks are not emitted in asset manifests
• Fix: Minify optimizations are not applied to CSS.

Notes

• Using css-minimizer-webpack-plugin instead of optimize-css-assets-webpack-plugin.
  • optimize-css-assets-webpack-plugin throws warnings. Docs say to use css-minimizer-webpack-plugin instead.
  • Commits: 5255c68, 578833c, 361a732.
• Removed bud.vendor method from @roots/bud-api. Replaced with bud.splitChunks.
  • Removed keys from hooks/config:
    • build/optimization/splitChunks/chunks
    • build/optimization/splitChunks/minSize
    • build/optimization/splitChunks/maxSize
    • build/optimization/splitChunks/maxAsyncRequests
    • build/optimization/splitChunks/maxInitialRequests
    • build/optimization/splitChunks/cacheGroups
    • build/optimization/splitChunks/cacheGroups/vendor
    • build/optimization/splitChunks/cacheGroups/vendor/priority
    • build/optimization/splitChunks/cacheGroups/vendor/... (everything from here on is gone)
  • This means that users who wish to modify the vendor chunk either need to include the config keys between splitChunks and vendor in the config param of bud.splitChunks, or overwrite the config in total using bud.hooks.on('build/optimization/splitChunks').
  • It was all just entirely too much.
• Webpack v5 is so much more optimized than v4, it's cray. Taking advantage of that with a default parallelism value of os.cpus().length - 1 (previously set to 1)
• Removes src, srcPath, dist, distPath, project api fns in favor of a consolidated approach: bud.path and bud.setPath.
• Types are no longer exported explicitly from @roots/bud-support. Types should be imported using import type directly from the package. Packages which export types should be added to the repo root package.json.
• @roots/bud-compiler no longer derives its type definition from @roots/bud-typings. See: Deprecate internal usage of @roots/bud-typings #48.
• @roots/bud-build no longer derives its type definition from @roots/bud-typings. See Deprecate internal usage of @roots/bud-typings #48.
• updates all asset manifest plugins to use the processAssets hook. webpack 5 no longer allows assets to be modified during the compiler emit phase.
• Adds support for static config files (yml and json)
• Adds support for env specific config files (bud.production.config.js, etc.)
• Adds support for ts config files (ts is not required in the project to take advantage of this)

[kellymears]

Something weird happening with this type definition. Setting to any temporarily.