nuclear-binding-container/lib/actions.js

A binding registry to be used within a nuclear app to register resolver functions for specific keys.

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.bind = bind;
exports.bindIf = bindIf;
exports.singleton = singleton;

var _actionTypes = require('./actionTypes');

var _getters = require('./getters');

/**
 * Register a binding with the container.
 *
 * @public
 * @param {Nuclear.Reactor} reactor
 * @param {string} key
 * @param {boolean} shared
 * @param {function} resolver
 */
function bind(reactor, key, shared, resolver) {
  reactor.dispatch(_actionTypes.ADD, { key: key, shared: shared, resolver: resolver });
}

/**
 * Register a binding if it is not in the container.
 *
 * @public
 * @param {Nuclear.Reactor} reactor
 * @param {string} key
 * @param {boolean} shared
 * @param {function} resolver
 */
function bindIf(reactor, key, shared, resolver) {
  if (reactor.evaluate((0, _getters.binding)(key))) {
    return;
  }

  bind(reactor, key, shared, resolver);
}

/**
 * Register a shared binding in the container.
 *
 * @public
 * @param {Nuclear.Reactor} reactor
 * @param {string} key
 * @param {function} resolver
 */
function singleton(reactor, key, resolver) {
  bind(reactor, key, true, resolver);
}