Method resolve

src/tree/model/node.js:342–353

(children)

      this.loading = true;

      const resolve = (children) => {
        this.loaded = true;
        this.loading = false;
        this.childNodes = [];

        this.doCreateChildren(children, defaultProps);

        this.updateLeafState();
        if (callback) {
          callback.call(this, children);
        }
      };

      this.store.load(this, resolve);
    } else {