@appbuckets/react-ui-core/MountNode/lib/NodeRegistry.js

Core utilities built for AppBuckets React UI Framework

'use strict';

var NodeRegistry = /** @class */ (function () {
  function NodeRegistry() {
    var _this = this;
    this.nodes = new Map();
    this.add = function (node, component) {
      // If nodes exists, add the component
      if (_this.nodes.has(node)) {
        var set = _this.nodes.get(node);
        if (set) {
          set.add(component);
        }
        return;
      }
      // Create the new Set using component
      _this.nodes.set(node, new Set([component]));
    };
    this.remove = function (node, component) {
      // If node doesn't exists, return
      if (!_this.nodes.has(node)) {
        return;
      }
      var set = _this.nodes.get(node);
      if (!set) {
        return;
      }
      // If component is last, remove the node
      if (set.size === 1) {
        _this.nodes.delete(node);
        return;
      }
      set.delete(component);
    };
    this.emit = function (node, callback) {
      callback(node, _this.nodes.get(node));
    };
  }
  return NodeRegistry;
})();

module.exports = NodeRegistry;