@spalger/kibana/src/cli/plugin/pluginCleaner.js

Kibana is an open source (Apache Licensed), browser based analytics and search dashboard for Elasticsearch. Kibana is a snap to setup and start using. Kibana strives to be easy to get started with, while also being flexible and powerful, just like Elastic

var rimraf = require('rimraf');
var fs = require('fs');
var Promise = require('bluebird');

module.exports = function (settings, logger) {

  function cleanPrevious() {
    return new Promise(function (resolve, reject) {
      try {
        fs.statSync(settings.workingPath);

        logger.log('Found previous install attempt. Deleting...');
        try {
          rimraf.sync(settings.workingPath);
        } catch (e) {
          return reject(e);
        }
        return resolve();
      } catch (e) {
        if (e.code !== 'ENOENT') return reject(e);

        return resolve();
      }
    });
  }

  function cleanError() {
    // delete the working directory.
    // At this point we're bailing, so swallow any errors on delete.

    try { rimraf.sync(settings.workingPath); }
    catch (e) {} // eslint-disable-line no-empty
  }

  return {
    cleanPrevious: cleanPrevious,
    cleanError: cleanError
  };
};