@cerebral/firebase/lib/onChildChanged.js

Firebase provider for Cerebral

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = onChildChanged;

var _helpers = require('./helpers');

function onChildChanged(path, signal) {
  var _this = this;

  var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};

  (0, _helpers.listenTo)((0, _helpers.createRef)(path, options), path, 'child_changed', signal, function (data) {
    _this.context.controller.getSignal(signal)(Object.assign({
      key: data.key,
      value: data.val()
    }, options.payload || {}));
  });
}
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