appendChild()

in JSDOMParser.js [350:370]

• 19 lines of code
• 6 McCabe index (conditional complexity)

    appendChild(child) {
      if (child.parentNode) {
        child.remove();
      }

      var last = this.lastChild;
      if (last) {
        last.nextSibling = child;
      }
      child.previousSibling = last;

      if (child.nodeType === Node.ELEMENT_NODE) {
        child.previousElementSibling =
          this.children[this.children.length - 1] || null;
        this.children.push(child);
        child.previousElementSibling &&
          (child.previousElementSibling.nextElementSibling = child);
      }
      this.childNodes.push(child);
      child.parentNode = this;
    },