Codecov Bundle Analyzer

The bundle analyzer is an importable library and CLI for Codecov bundle analysis. It is designed for users who operate without a standard bundler that is otherwise supported by Codecov's bundler plugins.

[!NOTE] The plugin does not support code coverage, see our docs to set up coverage today!

Installation

Using npm:

npm install @codecov/bundle-analyzer --save-dev
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Using yarn:

yarn add @codecov/bundle-analyzer --dev
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Using pnpm:

pnpm add @codecov/bundle-analyzer --save-dev
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Example - Custom Script

This example shows how the package can be imported as a library.

// analyze.js
const { createAndUploadReport } = require("@codecov/bundle-analyzer");

const buildDirs = ["/path/to/build"];

const coreOpts = {
  dryRun: true,
  uploadToken: "your-upload-token",
  retryCount: 3,
  apiUrl: "https://api.codecov.io",
  bundleName: "@codecov/example-bundle-analyzer-cjs",
  enableBundleAnalysis: true,
  debug: true,
};

const bundleAnalyzerOpts = {
  beforeReportUpload: async (original) => original,
  ignorePatterns: ["*.map"],
  normalizeAssetsPattern: "[name]-[hash].js",
};

createAndUploadReport(buildDirs, coreOpts, bundleAnalyzerOpts)
  .then((reportAsJson) =>
    console.log(`Report successfully generated and uploaded: ${reportAsJson}`),
  )
  .catch((error) =>
    console.error("Failed to generate or upload report:", error),
  );
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Example - CLI

This example shows how the package can be used as a CLI.

npx @codecov/bundle-analyzer ./dist --bundle-name=my-identifier --upload-token=abcd --dry-run
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[OPTIONAL] - A config file can be passed for any extended options matching those described here.

npx @codecov/bundle-analyzer ./dist --bundle-name=my-identifier --upload-token=abcd --dry-run --config-file=./config.json
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// config.json
{
  "gitService": "github",
  "oidc": {
    "useGitHubOIDC": false
  }
}

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Supported Platforms

The CLI tool supports the following operating systems:

• macOS
• Linux

More information

• Codecov Documentation
• Codecov Feedback
• Sentry Discord