How to use the @yarnpkg/plugin-npm.npmConfigUtils.getPublishRegistry function in @yarnpkg/plugin-npm

async execute() {
    const configuration = await Configuration.find(this.context.cwd, this.context.plugins);

    // @ts-ignore
    const prompt = inquirer.createPromptModule({
      input: this.context.stdin,
      output: this.context.stdout,
    });

    let registry: string;
    if (this.scope && this.publish)
      registry = npmConfigUtils.getScopeRegistry(this.scope, {configuration, type: npmConfigUtils.RegistryType.PUBLISH_REGISTRY});
    else if (this.scope)
      registry = npmConfigUtils.getScopeRegistry(this.scope, {configuration});
    else if (this.publish)
      registry = npmConfigUtils.getPublishRegistry((await openWorkspace(configuration, this.context.cwd)).manifest, {configuration});
    else
      registry = npmConfigUtils.getDefaultRegistry({configuration});

    const report = await StreamReport.start({
      configuration,
      stdout: this.context.stdout,
    }, async report => {
      const credentials = await getCredentials(prompt);
      const url = `/-/user/org.couchdb.user:${encodeURIComponent(credentials.name)}`;

      try {
        const response = await npmHttpUtils.put(url, credentials, {
          configuration,
          registry,
          json: true,
          authType: npmHttpUtils.AuthType.NO_AUTH,

if (workspace.manifest.private)
      throw new UsageError(`Private workspaces cannot be published`);
    if (workspace.manifest.name === null || workspace.manifest.version === null)
      throw new UsageError(`Workspaces must have valid names and versions to be published on an external registry`);

    await project.resolveEverything({
      lockfileOnly: true,
      report: new ThrowReport(),
    });

    // We store it so that TS knows that it's non-null
    const ident = workspace.manifest.name;
    const version = workspace.manifest.version;

    const registry = npmConfigUtils.getPublishRegistry(workspace.manifest, {configuration});

    const report = await StreamReport.start({
      configuration,
      stdout: this.context.stdout,
    }, async report => {
      // Not an error if --tolerate-republish is set
      if (this.tolerateRepublish) {
        try {
          const registryData = await npmHttpUtils.get(npmHttpUtils.getIdentUrl(ident), {
            configuration,
            registry,
            ident,
            json: true,
          });

          if (!Object.prototype.hasOwnProperty.call(registryData, `versions`))

async execute() {
    const configuration = await Configuration.find(this.context.cwd, this.context.plugins);

    let registry: string;
    if (this.scope && this.publish)
      registry = npmConfigUtils.getScopeRegistry(this.scope, {configuration, type: npmConfigUtils.RegistryType.PUBLISH_REGISTRY});
    else if (this.scope)
      registry = npmConfigUtils.getScopeRegistry(this.scope, {configuration});
    else if (this.publish)
      registry = npmConfigUtils.getPublishRegistry((await openWorkspace(configuration, this.context.cwd)).manifest, {configuration});
    else
      registry = npmConfigUtils.getDefaultRegistry({configuration});

    const report = await StreamReport.start({
      configuration,
      stdout: this.context.stdout,
    }, async report => {
      try {
        const response = await npmHttpUtils.get(`/-/whoami`, {
          configuration,
          registry,
          authType: npmHttpUtils.AuthType.ALWAYS_AUTH,
          json: true,
        });

        report.reportInfo(MessageName.UNNAMED, response.username);