1190.js

/**
 * @param {string} s
 * @return {string}
 */
var reverseParentheses = function (str) {
  const stack = [[]]

  for (const s of str) {
    if (s === "(") {
      stack.push([])
      continue
    }

    if (s === ")") {
      let cur = stack.pop().reverse()
      stack[stack.length - 1].push([...cur])
    } else {
      stack[stack.length - 1].push(s)
    }

    console.log(stack)
  }

  return stack[0].join("")
}

console.log(reverseParentheses("foo(bar(baz))blim"))