// Or if you're using an npm-script to build, add the flag to your package.json
{
  "scripts": {
    "build-shared-deps": "shared-deps build --usePackageJSON"
  }
}

// In your package.json
{
  "dependencies": {
    "react": "^17.0.0"
  }
}

// shared-deps.conf.mjs

/**
 * @type {import('self-hosted-shared-dependencies').BuildOpts}
 */
const config = {
  // Required if not using package.json, a list of npm package versions to include in the output directory
  packages: [
    {
      // Required. The name of the package to include
      name: "react",

      // Optional. A list of glob strings used to determine which files within
      // the package to include in the build. By default, all files are included.
      // See https://www.npmjs.com/package/micromatch for glob implementation
      // Note that package.json and LICENSE files are always included.
      include: ["umd/**"],

      // Optional. A list of glob strings used to determine which files within
      // the package to exclude from the build. By default, no files are excluded.
      // See https://www.npmjs.com/package/micromatch for glob implementation
      // Note that package.json and LICENSE files are always included.
      exclude: ["cjs/**"],

      // Required. A list of semver ranges that determine which versions of the
      // npm package should be included in the build.
      // See https://semver.npmjs.com/ for more details
      versions: [
        // When the version is a string, the package's include and exclude lists
        // are applied
        ">= 17",

        // When the version is an object, the version's include and exclude lists
        // take priority over the package's include and exclude lists
        {
          version: "16.14.0",
          include: ["umd/**", "cjs/**"],
        },
      ],
    },
  ],

  // Optional, defaults to false
  // When true, will parse the package.json file and use the
  // dependencies as the package list
  usePackageJSON: false,

  // Optional, defaults to "npm"
  // Change the name of the output directory where the static assets
  // will be placed. The outputDir is resolved relative to the CWD
  outputDir: "npm",

  // Optional, defaults to false
  // When true, the outputDir will be deleted at the beginning of the build
  clean: false,

  // Optional, defaults to false.
  // When true, a Dockerfile will be created in your static directory.
  // The Dockerfile uses nginx:latest as its base image
  generateDockerfile: false,

  // Optional, defaults to building all packages (no skipping)
  // When provided, this allows you to do incremental builds where
  // the build first calls out to your live server hosting your
  // shared dependencies to decide whether it needs to rebuild
  // the package. This is a performance optimization that makes the
  // build faster. For each package version, it will check
  // <skipPackagesAtUrl>/<packageName>@<version>/package.json to
  // see if it needs to build the package version or not
  skipPackagesAtUrl: "https://cdn.example.com/npm/",

  // Optional, defaults to {}.
  // When provided, this allows you to configure the behavior of npm-registry-fetch,
  // such as providing username, password, or token to access private npm packages.
  // See https://github.com/npm/npm-registry-fetch#-fetch-options for documentation
  registryFetchOptions: {
    username: "test",
    password: "test",
    token: "test",
    registry: "https://registry.npmjs.org/",
  },

  // Optional, defaults to "debug". Must be one of "debug", "warn", or "fatal"
  // This changes the verbosity of the stdout logging
  logLevel: "warn",

  // Optional, defaults to true. This is a safeguard against the clean operation deleting important directories accidentally, by forcing them to be absolute paths. To disable that behavior, set to false.
  absoluteDir: true,
};

export default config;

import { build } from "self-hosted-shared-dependencies";

build({
  // This object is the same as the object exported from the Config File above
  packages: [
    {
      name: "react",
      include: ["umd/**"],
      exclude: ["cjs/**"],
      versions: [
        ">= 17",
        {
          version: "16.14.0",
          include: ["umd/**", "cjs/**"],
        },
      ],
    },
  ],
  usePackageJSON: false,
  outputDir: "npm",
  clean: false,
  generateDockerfile: false,
  skipPackagesAtUrl: "https://cdn.example.com/npm/",
  logLevel: "warn",
}).then(
  () => {
    console.log("Finished!");
  },
  (err) => {
    console.error(err);
    process.exit(1);
  }
);