fixed/silenced some typescript warnings

models.js

···
   pageRoot;
 
   /**
+   * Info about the author of the "grandparent" post. Included only in feedPost views, for the purposes
+   * of feed filtering algorithm.
+   * @type {json | undefined}
+   */
+  grandparentAuthor;
+
+  /**
    * Depth of the post in the getPostThread response it was loaded from, starting from 0. May be negative.
    * @type {number | undefined}
    */

post_component.js

···
     link.addEventListener('click', (e) => {
       e.preventDefault();
       loadMore.innerHTML = `<img class="loader" src="icons/sunny.png">`;
-      loadSubtree(this.post, loadMore.closest('.post'));
+      loadSubtree(this.post, this.rootElement);
     });
 
     loadMore.appendChild(link);
···
 
   loadHiddenReplies(loadMoreButton) {
     loadMoreButton.innerHTML = `<img class="loader" src="icons/sunny.png">`;
-    loadHiddenSubtree(this.post, loadMoreButton.closest('.post'));
+    loadHiddenSubtree(this.post, this.rootElement);
   }
 
   /** @param {HTMLLinkElement} authorLink */

skythread.js

···
   window.biohazardEnabled = JSON.parse(localStorage.getItem('biohazard') ?? 'null');
 
   window.loginDialog = document.querySelector('#login');
+  window.accountMenu = document.querySelector('#account_menu');
 
   html.addEventListener('click', (e) => {
     $id('account_menu').style.visibility = 'hidden';
···
       window.loadInfohazard = undefined;
     }
 
-    hideDialog(e.target.closest('.dialog'));
+    let target = /** @type {AnyElement} */ (/** @type {unknown} */ (e.target));
+
+    hideDialog(target.closest('.dialog'));
   });
 
   document.querySelector('#biohazard_hide').addEventListener('click', (e) => {
···
       p.style.display = 'none';
     }
 
-    hideDialog(e.target.closest('.dialog'));
+    let target = /** @type {AnyElement} */ (/** @type {unknown} */ (e.target));
+
+    hideDialog(target.closest('.dialog'));
   });
 
   document.querySelector('#account').addEventListener('click', (e) => {
···
     e.stopPropagation();
   });
 
-  document.querySelector('#account_menu').addEventListener('click', (e) => {
+  accountMenu.addEventListener('click', (e) => {
     e.stopPropagation();
   });
 
-  document.querySelector('#account_menu a[data-action=biohazard]').addEventListener('click', (e) => {
+  accountMenu.querySelector('a[data-action=biohazard]').addEventListener('click', (e) => {
     e.preventDefault();
 
     let hazards = document.querySelectorAll('p.hidden-replies, .content > .post.blocked, .blocked > .load-post');
···
     }
   });
 
-  document.querySelector('#account_menu a[data-action=incognito]').addEventListener('click', (e) => {
+  accountMenu.querySelector('a[data-action=incognito]').addEventListener('click', (e) => {
     e.preventDefault();
 
     if (isIncognito) {
···
     location.reload();
   });
 
-  document.querySelector('#account_menu a[data-action=login]').addEventListener('click', (e) => {
+  accountMenu.querySelector('a[data-action=login]').addEventListener('click', (e) => {
     e.preventDefault();
     toggleDialog(loginDialog);
     $id('account_menu').style.visibility = 'hidden';
   });
 
-  document.querySelector('#account_menu a[data-action=logout]').addEventListener('click', (e) => {
+  accountMenu.querySelector('a[data-action=logout]').addEventListener('click', (e) => {
     e.preventDefault();
     logOut();
   });
···
 /** @param {string} buttonName */
 
 function showMenuButton(buttonName) {
-  let button = document.querySelector(`#account_menu a[data-action=${buttonName}]`);
+  let button = accountMenu.querySelector(`a[data-action=${buttonName}]`);
   button.parentNode.style.display = 'list-item';
 }
 
 /** @param {string} buttonName */
 
 function hideMenuButton(buttonName) {
-  let button = document.querySelector(`#account_menu a[data-action=${buttonName}]`);
+  let button = accountMenu.querySelector(`a[data-action=${buttonName}]`);
   button.parentNode.style.display = 'none';
 }
 
 /** @param {string} buttonName, @param {boolean} state */
 
 function toggleMenuButton(buttonName, state) {
-  let button = document.querySelector(`#account_menu a[data-action=${buttonName}]`);
+  let button = accountMenu.querySelector(`a[data-action=${buttonName}]`);
   button.querySelector('.check').style.display = (state) ? 'inline' : 'none';
 }
 

types.d.ts

···
 declare var isIncognito: boolean;
 declare var biohazardEnabled: boolean;
 declare var loginDialog: AnyElement;
+declare var accountMenu: AnyElement;
 
 type SomeElement = Element | HTMLElement | AnyElement;
 type json = Record<string, any>;
···
   classList: CSSClassList;
   className: string;
   innerText: string;
+  innerHTML: string;
   nextElementSibling: AnyElement;
   parentNode: AnyElement;
   src: string;
···
 
   append(...e: Array<string | SomeElement>): void;
   appendChild(e: SomeElement): void;
+  closest(q: string): AnyElement;
   querySelector(q: string): AnyElement;
+  querySelectorAll(q: string): AnyElement[];
   prepend(...e: Array<string | SomeElement>): void;
   remove(): void;
   replaceChildren(e: SomeElement): void;