Method descendToChild

deps/v8/tools/profile.mjs:1257–1267

* Tries to find a node with the specified path. * * @param {string[]} labels The path. * @param {function(CallTreeNode)} opt_f Visitor function.

(labels, opt_f)

   * @param {function(CallTreeNode)} opt_f Visitor function.
   */
  descendToChild(labels, opt_f) {
    let curr = this;
    for (let pos = 0; pos < labels.length && curr != null; pos++) {
      const child = curr.findChild(labels[pos]);
      if (opt_f) {
        opt_f(child, pos);
      }
      curr = child;
    }
    return curr;
  }
}

export function JsonProfile(useBigIntAddresses=false) {