Function constraints

yarn.config.cjs:225–285

({ Yarn })

module.exports = defineConfig({
  async constraints({ Yarn }) {
    const workspace = Yarn.workspace();
    const workspaceName = getWorkspaceName(workspace);
    const workspaceRepository = `${BASE_URL}${workspaceName}`;

    // The package must have a name, version, description, and license.
    expectWorkspaceField(workspace, 'name', `@metamask/${workspaceName}`);
    expectWorkspaceField(workspace, 'version');
    expectWorkspaceField(workspace, 'license');
    expectWorkspaceDescription(workspace);

    // The package must have a valid README.md file.
    await expectReadme(workspace, workspaceName);

    // The package must have a valid pull request template.
    await expectPullRequestTemplate(workspace, workspaceName);

    expectWorkspaceDependencies(workspace);

    // The homepage of the package must match its name.
    workspace.set('homepage', `${workspaceRepository}#readme`);

    // The bugs URL of the package must point to the Issues page for the
    // repository.
    workspace.set('bugs.url', `${workspaceRepository}/issues`);

    // The package must specify Git as the repository type, and match the URL of
    // a repository within the MetaMask organization.
    workspace.set('repository.type', 'git');
    workspace.set('repository.url', `${workspaceRepository}.git`);

    // The package must specify the expected minimum Node versions
    workspace.set('engines.node', '^18.20 || ^20.17 || >=22');

    // The package must provide the location of the CommonJS-compatible
    // entrypoint and its matching type declaration file.
    workspace.set('main', './dist/index.cjs');
    workspace.set('exports["."].require.default', './dist/index.cjs');
    workspace.set('types', './dist/index.d.cts');
    workspace.set('exports["."].require.types', './dist/index.d.cts');

    // The package must provide the location of the ESM-compatible JavaScript
    // entrypoint and its matching type declaration file.
    workspace.set('module', './dist/index.mjs');
    workspace.set('exports["."].import.default', './dist/index.mjs');
    workspace.set('exports["."].import.types', './dist/index.d.mts');

    // The package must export a `package.json` file.
    workspace.set('exports["./package.json"]', './package.json');

    expectExports(workspace);

    // The list of files included in the package must only include files
    // generated during the build process.
    workspace.set('files', ['dist']);

    // The package is public, and should be published to the npm registry.
    workspace.unset('private');