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rollup-plugin-visualizer

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rollup-plugin-visualizer

[![NPM Version](https://img.shields.io/npm/v/rollup-plugin-visualizer.svg)](https://npmjs.org/package/rollup-plugin-visualizer) [![Node.js CI](https://github.com/btd/rollup-plugin-visualizer/actions/workflows/node.js.yml/badge.svg)](https://github.com/btd

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What is rollup-plugin-visualizer?

The rollup-plugin-visualizer is a plugin for Rollup that generates a visual representation of the module tree or bundle contents. It helps in analyzing the bundle's composition, such as the size of individual modules and their dependencies. This can be particularly useful for optimizing the bundle size by identifying large modules or unexpected dependencies.

What are rollup-plugin-visualizer's main functionalities?

Visualizing bundle composition

This feature allows users to visualize the composition of their bundle. The plugin generates an HTML file that displays the sizes of the modules in the bundle. The 'filename' option specifies the output file for the visualization, and the 'open' option can be set to true to automatically open the generated file in a web browser.

import visualizer from 'rollup-plugin-visualizer';

export default {
  plugins: [
    visualizer({
      filename: './bundle-stats.html',
      open: true
    })
  ]
};

Customizing the visualization

This feature allows for customization of the visualization output. Users can choose between different visualization templates such as 'treemap', 'sunburst', or 'network'. Additionally, the title of the visualization can be customized using the 'title' option.

import visualizer from 'rollup-plugin-visualizer';

export default {
  plugins: [
    visualizer({
      filename: './bundle-stats.html',
      template: 'treemap', // or 'sunburst', 'network'
      title: 'My Bundle Visualization'
    })
  ]
};

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Package last updated on 27 Dec 2023

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