is-registered

Util for Base that optionally prevents a plugin from being registered more than once on an instance

Install

Install with npm:

$ npm install is-registered --save

Returns true if app is a base instance and the named plugin is already registered on the instance.
Returns true if app is not an object
Returns false if app is a base instance and the plugin is not already registered on the instance

var isRegistered = require('is-registered');

function plugin(app) {
  if (isRegistered(app, 'base-foo')) return;
  // do plugin stuff
}

You might also be interested in these projects:

base-plugins: Upgrade's plugin support in base applications to allow plugins to be called any time after… more | homepage

base: base is the foundation for creating modular, unit testable and highly pluggable node.js applications, starting… more | homepage

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Pull requests and stars are always welcome. For bugs and feature requests, please create an issue.

Generate readme and API documentation with verb:

$ npm install -g verb verb-readme-generator && verb

Install dev dependencies:

$ npm install -d && npm test

Jon Schlinkert

This file was generated by verb, v0.9.0, on June 03, 2016.