rollup-plugin-node-resolve-next

---

Rollup plugin for imports resolution using enhanced Node.js algorithm.

Could be used as an alternative to both rollup-plugin-node-resolve and rollup-plugin-node-resolve-angular modules.

Features

• Resolves imported modules using Node.js Resolution Algorithm

• Doesn't implement the resolution on it's own, but instead delegates this complex task to a well supported module: browserify/resolve

• Has a well-structured architecture and doesn't mix the concepts like rollup-plugin-node-resolve does. Module resolution and embedding conditionals are two separate concepts

• Allows flexibility in control of which modules will be embedded and which externalized using glob patterns on module ids (more flexible and convenient solution)

• Supports main/module/es2015 fields of package.json for different build targets

• Reliable: written in TypeScript and automatically tested

• Deduplicates dependencies by resolving symlinks in paths (useful in monorepo projects)

Example

// rollup.config.js
import nodeResolveNext from 'rollup-plugin-node-resolve-next';

export default {
  input: 'main.js',
  output: {
    file: 'bundle.js',
    format: 'es',
  },
  plugins: [
    nodeResolveNext({
      mode: 'ESM2015',
      embed: {
        mode: 'EMBED_MATCHED',
        patterns: [
          '@lodash/*',
          'tslib',
        ] ,
      },
      extensions: ['.js', '.jsx'],
    }),
  ],
};

Options

options.mode [enum/string] — controls the build target. See the Build Targets section for more details

options.embed.mode [enum/string] — controls the module embedding mode, possible values are:

• EMBED_EVERYTHING — embeds all imported modules to the bundle
• EMBED_MATCHED — embeds only matched modules
• EMBED_UNMATCHED — embeds only non-matched modules

options.embed.patterns [Array<string>] — list of glob patterns used to configure the matching. Used only in EMBED_MATCHED and EMBED_UNMATCHED modes.

options.extensions [Array<string>] — list of allowed extensions (['.js'] by default).

options.resolveSymlinks [boolean] — Whether to resolve symlinks in the destination paths. This will help to deduplicate dependencies in monorepo projects or in projects where npm link is used.

Build Targets

The plugin supports various main fields from package.json manifests of the imported modules for different build targets:

• In NORMAL mode only the main field is used (this is the default)
• In ESM5 mode the module field is used with fallback to main
• In ESM2015 mode the es2015 field is used with fallback to module or main

Maintainers

— Slava Fomin II

License

Copyright (c) 2018—2019 Slava Fomin II

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.