Method trim

packages/core/src/language/fragment.ts:31–41

()

  }

  trim() {
    // Trim invisible nodes
    if (this.nodes.length === 1 && this.nodes[0].getNodeLayout().isInvisible()) {
      const node = this.nodes[0]
      if (node.childSetOrder.length === 1) {
        const childSet = node.getChildSet(node.childSetOrder[0])
        this.nodes = childSet.children
        this.nodeCategory = childSet.nodeCategory
      }
    }
  }

  isEmpty() {
    return this.nodes.length === 0