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serverless-webpack

Serverless plugin to bundle your javascript with Webpack

  • 5.15.0
  • latest
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  • npm
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209K
decreased by-9.92%
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What is serverless-webpack?

The serverless-webpack npm package is a Serverless Framework plugin that integrates Webpack to optimize and bundle your Serverless functions. It allows you to use Webpack's powerful features like tree shaking, code splitting, and module resolution to create optimized and efficient Serverless applications.

What are serverless-webpack's main functionalities?

Bundling

This feature allows you to bundle your Serverless functions using Webpack. The provided code sample demonstrates a basic Webpack configuration for bundling a handler.js file.

module.exports = {
  entry: './handler.js',
  target: 'node',
  module: {
    rules: [
      {
        test: /\.js$/,
        exclude: /node_modules/,
        use: 'babel-loader'
      }
    ]
  },
  output: {
    libraryTarget: 'commonjs2',
    path: path.resolve(__dirname, '.webpack'),
    filename: 'handler.js'
  }
};

Tree Shaking

Tree shaking is a feature that eliminates dead code from your bundle. The code sample shows how to enable tree shaking by setting the mode to 'production' and using the 'usedExports' optimization option.

module.exports = {
  mode: 'production',
  entry: './handler.js',
  optimization: {
    usedExports: true
  },
  output: {
    libraryTarget: 'commonjs2',
    path: path.resolve(__dirname, '.webpack'),
    filename: 'handler.js'
  }
};

Code Splitting

Code splitting allows you to split your code into separate bundles, which can be loaded on demand. The code sample demonstrates how to configure Webpack to create separate bundles for 'handler.js' and 'anotherModule.js'.

module.exports = {
  entry: {
    handler: './handler.js',
    anotherModule: './anotherModule.js'
  },
  output: {
    filename: '[name].js',
    path: path.resolve(__dirname, '.webpack')
  }
};

Module Resolution

Module resolution allows you to create aliases for directories, making it easier to import modules. The code sample shows how to create an alias '@utils' for the 'src/utils/' directory.

module.exports = {
  resolve: {
    alias: {
      '@utils': path.resolve(__dirname, 'src/utils/')
    }
  },
  entry: './handler.js',
  output: {
    libraryTarget: 'commonjs2',
    path: path.resolve(__dirname, '.webpack'),
    filename: 'handler.js'
  }
};

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Package last updated on 23 Oct 2024

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