old_contents: import app from '../app';
  import { getOpenModals } from '../views/modals/BaseModal';
  import Listing from '../models/listing/Listing';
  import About from '../views/modals/about/About';
  import EditListing from '../views/modals/editListing/EditListing';
  import DebugLog from '../views/modals/DebugLog';
  import ModeratorDetails from '../views/modals/moderatorDetails';
  import Wallet from '../views/modals/wallet/Wallet';
  import Settings from '../views/modals/Settings/Settings';
  import Report from '../views/modals/Report';
  
  let aboutModal;
  let settingsModal;
  let debugLogModal;
  let moderatorDetailsModal;
  let _wallet;
  
  export function launchEditListingModal(modalOptions = {}) {
    const model = modalOptions.model;
    const openModals = getOpenModals();
  
    if (!(model instanceof Listing)) {
      throw new Error('In the modalOptions, please provide an instance of ' +
        'a Listing model.');
    }
  
    if (model.isNew()) {
      const createModal = openModals
        .find(modal => modal instanceof EditListing && modal.model.isNew());
      if (createModal) {
        createModal.bringToTop();
        return createModal;
      }
    }
  
    const editListingModal = new EditListing(modalOptions)
      .render()
      .open();
  
    return editListingModal;
  }
  
  export function launchAboutModal(modalOptions = {}) {
    if (aboutModal) {
      aboutModal.bringToTop();
    } else {
      aboutModal = new About({
        removeOnClose: true,
        ...modalOptions,
      })
        .render()
        .open();
  
      aboutModal.on('modal-will-remove', () => (aboutModal = null));
    }
  
    return aboutModal;
  }
  
  export function launchSettingsModal(modalOptions = {}) {
    if (settingsModal) {
      settingsModal.bringToTop();
    } else {
      settingsModal = new Settings({
        removeOnClose: true,
        ...modalOptions,
      })
        .render()
        .open();
  
      settingsModal.on('modal-will-remove', () => (settingsModal = null));
    }
  
    return aboutModal;
  }
  
  export function launchDebugLogModal(modalOptions = {}) {
    if (debugLogModal) debugLogModal.remove();
  
    debugLogModal = new DebugLog(modalOptions)
      .render()
      .open();
  
    return debugLogModal;
  }
  
  export function launchModeratorDetailsModal(modalOptions = {}) {
    if (moderatorDetailsModal) moderatorDetailsModal.remove();
  
    moderatorDetailsModal = new ModeratorDetails(modalOptions)
        .render()
        .open();
  
    return moderatorDetailsModal;
  }
  
  export function launchWallet(modalOptions = {}) {
    if (_wallet) {
      _wallet.open();
    } else {
      _wallet = new Wallet({
        removeOnRoute: false,
        ...modalOptions,
      })
        .render()
        .open();
  
      app.router.on('will-route', () => _wallet.close());
    }
  
    return _wallet;
  }
  
  export function getWallet() {
    return _wallet;
  }
  
new_contents: import app from '../app';
  import { getOpenModals } from '../views/modals/BaseModal';
  import Listing from '../models/listing/Listing';
  import About from '../views/modals/about/About';
  import EditListing from '../views/modals/editListing/EditListing';
  import DebugLog from '../views/modals/DebugLog';
  import ModeratorDetails from '../views/modals/moderatorDetails';
  import Wallet from '../views/modals/wallet/Wallet';
  import Settings from '../views/modals/Settings/Settings';
  
  let aboutModal;
  let settingsModal;
  let debugLogModal;
  let moderatorDetailsModal;
  let _wallet;
  
  export function launchEditListingModal(modalOptions = {}) {
    const model = modalOptions.model;
    const openModals = getOpenModals();
  
    if (!(model instanceof Listing)) {
      throw new Error('In the modalOptions, please provide an instance of ' +
        'a Listing model.');
    }
  
    if (model.isNew()) {
      const createModal = openModals
        .find(modal => modal instanceof EditListing && modal.model.isNew());
      if (createModal) {
        createModal.bringToTop();
        return createModal;
      }
    }
  
    const editListingModal = new EditListing(modalOptions)
      .render()
      .open();
  
    return editListingModal;
  }
  
  export function launchAboutModal(modalOptions = {}) {
    if (aboutModal) {
      aboutModal.bringToTop();
    } else {
      aboutModal = new About({
        removeOnClose: true,
        ...modalOptions,
      })
        .render()
        .open();
  
      aboutModal.on('modal-will-remove', () => (aboutModal = null));
    }
  
    return aboutModal;
  }
  
  export function launchSettingsModal(modalOptions = {}) {
    if (settingsModal) {
      settingsModal.bringToTop();
    } else {
      settingsModal = new Settings({
        removeOnClose: true,
        ...modalOptions,
      })
        .render()
        .open();
  
      settingsModal.on('modal-will-remove', () => (settingsModal = null));
    }
  
    return aboutModal;
  }
  
  export function launchDebugLogModal(modalOptions = {}) {
    if (debugLogModal) debugLogModal.remove();
  
    debugLogModal = new DebugLog(modalOptions)
      .render()
      .open();
  
    return debugLogModal;
  }
  
  export function launchModeratorDetailsModal(modalOptions = {}) {
    if (moderatorDetailsModal) moderatorDetailsModal.remove();
  
    moderatorDetailsModal = new ModeratorDetails(modalOptions)
        .render()
        .open();
  
    return moderatorDetailsModal;
  }
  
  export function launchWallet(modalOptions = {}) {
    if (_wallet) {
      _wallet.open();
    } else {
      _wallet = new Wallet({
        removeOnRoute: false,
        ...modalOptions,
      })
        .render()
        .open();
  
      app.router.on('will-route', () => _wallet.close());
    }
  
    return _wallet;
  }
  
  export function getWallet() {
    return _wallet;
  }
  
subject: Remove unused import