openfoodnetwork/app/webpacker/controllers/help_modal_link_controller.js

import { Controller } from "stimulus"

export default class extends Controller {
  static values = { target: String }

  open() {
    let helpModal = document.getElementById(this.targetValue)
    let helpModalController = this.application.getControllerForElementAndIdentifier(helpModal, "help-modal");
    helpModalController.open();
  }
}