Maybe/app/javascript/controllers/account_collapse_controller.js

import { Controller } from "@hotwired/stimulus"

// Connects to data-controller="account-collapse"
export default class extends Controller {
  static values = { type: String }
  initialToggle = false
  STORAGE_NAME = "accountCollapseStates"

  connect() {
    this.element.addEventListener("toggle", this.onToggle)
    this.updateFromLocalStorage()
  }

  disconnect() {
    this.element.removeEventListener("toggle", this.onToggle)
  }

  onToggle = () => {
    if (this.initialToggle) {
      this.initialToggle = false
      return
    }

    const items = this.getItemsFromLocalStorage()
    if (items.has(this.typeValue)) {
      items.delete(this.typeValue)
    } else {
      items.add(this.typeValue)
    }
    localStorage.setItem(this.STORAGE_NAME, JSON.stringify([...items]))
  }

  updateFromLocalStorage() {
    const items = this.getItemsFromLocalStorage()

    if (items.has(this.typeValue)) {
      this.initialToggle = true
      this.element.setAttribute("open", "")
    }
  }

  getItemsFromLocalStorage() {
    try {
      const items = localStorage.getItem(this.STORAGE_NAME)
      return new Set(items ? JSON.parse(items) : [])
    } catch (error) {
      console.error("Error parsing items from localStorage:", error)
      return new Set()
    }
  }
}