Hide and show many sections of information

const [expandedAll, setExpandedAll] = useState<boolean>(false);
const [expandedList, setExpandedList] = useState<number[]>([]);

useEffect(() => {
  setExpandedAll(expandedList.length === 4);
}, [expandedList.length]);

const expandOrCollapseAll = () => {
  setExpandedAll((prev) => {
    const newState = !prev;
    setExpandedList(newState ? [1, 2, 3, 4] : []);
    return newState;
  });
};

const updateAccordion = (order: number, isOpen: boolean) => {
  setExpandedList((prev) => {
    if (isOpen) {
      return prev.includes(order) ? prev : [...prev, order];
    }
    return prev.filter((item) => item !== order);
  });
};

<GoabButton
  type="tertiary"
  size="compact"
  mb="m"
  onClick={() => expandOrCollapseAll()}
>
  {expandedAll ? "Hide all sections" : "Show all sections"}
</GoabButton>

<GoabAccordion
  open={expandedList.includes(1)}
  heading="How do I create an account?"
  headingSize="medium"
  onChange={(open) => updateAccordion(1, open)}
>
  To create an account you will need to contact your office admin.
</GoabAccordion>

<GoabAccordion
  open={expandedList.includes(2)}
  heading="What verification is needed to sign documents digitally?"
  headingSize="medium"
  onChange={(open) => updateAccordion(2, open)}
>
  You will need to verify your identity through our two factor authentication in
  addition to the digital signature.
</GoabAccordion>

<GoabAccordion
  open={expandedList.includes(3)}
  heading="Can I track the status of my service requests online?"
  headingSize="medium"
  onChange={(open) => updateAccordion(3, open)}
>
  Yes, you can see the status of your application on the main service dashboard when
  you login. You will receive updates and notifications in your email as your
  request progresses.
</GoabAccordion>

<GoabAccordion
  open={expandedList.includes(4)}
  heading="Are there accessibility features for people with disabilities?"
  headingSize="medium"
  onChange={(open) => updateAccordion(4, open)}
>
  Yes, our digital service is designed with accessibility in mind.{" "}
  <a href="#">More information on accessibility.</a>
</GoabAccordion>

expandedList: boolean[] = [false, false, false, false];
expandedAll = false;
accordionStatus = "Show all sections";

toggleAccordion(index: number, open: boolean): void {
  this.expandedList[index] = open;
  this.updateAccordionStatus();
}

onClick(): void {
  const isExpanding = this.expandedList.some((isOpen) => !isOpen);
  this.expandedList = this.expandedList.map(() => isExpanding);
  this.updateAccordionStatus();
}

private updateAccordionStatus(): void {
  this.expandedAll = this.expandedList.every((isOpen) => isOpen);
  this.accordionStatus = this.expandedList.every((isOpen) => isOpen)
    ? "Hide all sections"
    : "Show all sections";
}

<goab-button type="tertiary" size="compact" mb="m" (onClick)="onClick()">
  {{ accordionStatus }}
</goab-button>

<goab-accordion
  heading="How do I create an account?"
  headingSize="medium"
  [open]="expandedList[0]"
  (onChange)="toggleAccordion(0, $event)"
>
  To create an account you will need to contact your office admin.
</goab-accordion>

<goab-accordion
  heading="What verification is needed to sign documents digitally?"
  headingSize="medium"
  [open]="expandedList[1]"
  (onChange)="toggleAccordion(1, $event)"
>
  You will need to verify your identity through our two factor authentication in addition
  to the digital signature.
</goab-accordion>

<goab-accordion
  heading="Can I track the status of my service requests online?"
  headingSize="medium"
  [open]="expandedList[2]"
  (onChange)="toggleAccordion(2, $event)"
>
  Yes, you can see the status of your application on the main service dashboard when you
  login. You will receive updates and notifications in your email as your request
  progresses.
</goab-accordion>

<goab-accordion
  heading="Are there accessibility features for people with disabilities?"
  headingSize="medium"
  [open]="expandedList[3]"
  (onChange)="toggleAccordion(3, $event)"
>
  Yes, our digital service is designed with accessibility in mind.
  <a href="#">More information on accessibility.</a>
</goab-accordion>

const expandedList = [false, false, false, false];
const toggleBtn = document.getElementById("toggle-all-btn");
const accordions = [
  document.getElementById("accordion-1"),
  document.getElementById("accordion-2"),
  document.getElementById("accordion-3"),
  document.getElementById("accordion-4"),
];

function updateButtonText() {
  const allExpanded = expandedList.every((isOpen) => isOpen);
  toggleBtn.textContent = allExpanded ? "Hide all sections" : "Show all sections";
}

accordions.forEach((accordion, index) => {
  accordion.addEventListener("_change", (e) => {
    expandedList[index] = e.detail.open;
    updateButtonText();
  });
});

toggleBtn.addEventListener("_click", () => {
  const isExpanding = expandedList.some((isOpen) => !isOpen);
  expandedList.fill(isExpanding);
  accordions.forEach((accordion) => {
    accordion.setAttribute("open", isExpanding);
  });
  updateButtonText();
});

<goa-button version="2" type="tertiary" size="compact" mb="m" id="toggle-all-btn">
  Show all sections
</goa-button>

<goa-accordion
  id="accordion-1"
  heading="How do I create an account?"
  heading-size="medium"
>
  To create an account you will need to contact your office admin.
</goa-accordion>

<goa-accordion
  id="accordion-2"
  heading="What verification is needed to sign documents digitally?"
  heading-size="medium"
>
  You will need to verify your identity through our two factor authentication in addition
  to the digital signature.
</goa-accordion>

<goa-accordion
  id="accordion-3"
  heading="Can I track the status of my service requests online?"
  heading-size="medium"
>
  Yes, you can see the status of your application on the main service dashboard when you
  login. You will receive updates and notifications in your email as your request
  progresses.
</goa-accordion>

<goa-accordion
  id="accordion-4"
  heading="Are there accessibility features for people with disabilities?"
  heading-size="medium"
>
  Yes, our digital service is designed with accessibility in mind.
  <a href="#">More information on accessibility.</a>
</goa-accordion>