How to use the global-dirs.yarn function in global-dirs

'use strict';
const fs = require('fs');
const globalDirs = require('global-dirs');
const isPathInside = require('is-path-inside');

module.exports =
	isPathInside(__dirname, globalDirs.yarn.packages) ||
	isPathInside(__dirname, fs.realpathSync(globalDirs.npm.packages));

}

const getPackagesFrom = (path, includedStr) => {
  if (existsSync(path)) {
    return readdirSync(path).filter(f => {
      const fullPath = resolve(path, f);
      return statSync(fullPath).isDirectory() && fullPath.includes(includedStr);
    });
  }
  return [];
};

const pkgListPaths = [
  globalDirs.npm.packages,
  globalDirs.npm.packages !== globalDirs.yarn.packages &&
    globalDirs.yarn.packages,
  resolve(process.cwd(), 'node_modules'),
].filter(Boolean);

const externalPlugins = pkgListPaths.reduce((acc, pkgListPath) => {
  const orgPluginPath = resolve(pkgListPath, '@mamba');
  return [
    ...acc,
    ...getPackagesFrom(pkgListPath, 'mamba-cli-plugin-'),
    ...getPackagesFrom(orgPluginPath, 'cli-plugin-').map(
      pkg => `@mamba/${pkg}`,
    ),
  ];
}, []);

module.exports = externalPlugins.reduce((acc, moduleName) => {
  const pluginModule = loadCommand(moduleName);

const resolveGlobal = moduleId => {
	try {
		return require.resolve(path.join(globalDirs.yarn.packages, moduleId));
	} catch (_) {
		return require.resolve(path.join(globalDirs.npm.packages, moduleId));
	}
};

return plugin;
}

const getPackagesFrom = (path, includedStr) => {
  if (existsSync(path)) {
    return readdirSync(path).filter(f => {
      const fullPath = resolve(path, f);
      return statSync(fullPath).isDirectory() && fullPath.includes(includedStr);
    });
  }
  return [];
};

const pkgListPaths = [
  globalDirs.npm.packages,
  globalDirs.npm.packages !== globalDirs.yarn.packages &&
    globalDirs.yarn.packages,
  resolve(process.cwd(), 'node_modules'),
].filter(Boolean);

const externalPlugins = pkgListPaths.reduce((acc, pkgListPath) => {
  const orgPluginPath = resolve(pkgListPath, '@mamba');
  return [
    ...acc,
    ...getPackagesFrom(pkgListPath, 'mamba-cli-plugin-'),
    ...getPackagesFrom(orgPluginPath, 'cli-plugin-').map(
      pkg => `@mamba/${pkg}`,
    ),
  ];
}, []);

module.exports = externalPlugins.reduce((acc, moduleName) => {