diff --git a/Makefile b/Makefile
index 3ee9521..598c795 100644
--- a/Makefile
+++ b/Makefile
@@ -5,4 +5,4 @@ install:
 	npm run build
 
 sneed: clean install
-	cat dist/4chan-XT.user.js | xclip -selection clipboard
+	cat dist/4chan-XT.user.js | xclip -selection clipboard
\ No newline at end of file
diff --git a/src/General/Get.ts b/src/General/Get.js
similarity index 69%
rename from src/General/Get.ts
rename to src/General/Get.js
index 66a5de1..23e37d4 100644
--- a/src/General/Get.ts
+++ b/src/General/Get.js
@@ -1,20 +1,16 @@
 import { Conf, g } from '../globals/globals'
 import $ from '../platform/$'
-import type Thread from '../classes/Thread'
-import type Post from '../classes/Post'
-interface Get {
-  url(type: any, IDs: { siteID: string }, ...args: any[]): string | undefined
-  threadExcerpt(thread: Thread): string
-  threadFromRoot(root: HTMLElement): Thread | null
-  threadFromNode(node: HTMLElement): Thread | null
-  postFromRoot(root: HTMLElement): Post | null
-  postFromNode(root: HTMLElement): Post | null
-  allQuotelinksLinkingTo(post: Post): HTMLAnchorElement[]
-  postDataFromLink(link: HTMLAnchorElement): { boardID: string; postID: number }
-}
-  var Get: Get = {
+
+/*
+ * decaffeinate suggestions:
+ * DS101: Remove unnecessary use of Array.from
+ * DS102: Remove unnecessary code created because of implicit returns
+ * DS207: Consider shorter variations of null checks
+ * Full docs: https://github.com/decaffeinate/decaffeinate/blob/main/docs/suggestions.md
+ */
+var Get = {
   url(type, IDs, ...args) {
-    let f: ((IDs: { siteID: string }, ...args: any[]) => string) | undefined, site: typeof g.sites[0]
+    let f, site
     if ((site = g.sites[IDs.siteID]) && (f = $.getOwn(site.urls, type))) {
       return f(IDs, ...Array.from(args))
     } else {
@@ -47,7 +43,7 @@ interface Get {
   },
   threadFromNode(node) {
     return Get.threadFromRoot(
-      $.x(`ancestor-or-self::${g.SITE.xpath.threadContainer}[1]`, node)[0],
+      $.x(`ancestor-or-self::${g.SITE.xpath.thread}`, node),
     )
   },
   postFromRoot(root) {
@@ -64,23 +60,20 @@ interface Get {
   },
   postFromNode(root) {
     return Get.postFromRoot(
-      $.x(`ancestor-or-self::${g.SITE.xpath.postContainer}`, root)[0],
+      $.x(`ancestor-or-self::${g.SITE.xpath.postContainer}[1]`, root),
     )
   },
-  postDataFromLink(link: any) {
-    let boardID: any, postID: any, threadID: any
-    if (link.dataset?.postID) {
+  postDataFromLink(link) {
+    let boardID, postID, threadID
+    if (link.dataset.postID) {
       // resurrected quote
-      ({ boardID, threadID, postID } = link.dataset)
+      ;({ boardID, threadID, postID } = link.dataset)
       if (!threadID) {
-        threadID = '0'
+        threadID = 0
       }
     } else {
-      const match = link.href.match(g?.SITE?.regexp?.quotelink)
-      if (!match) {
-        throw new Error('Invalid link')
-      }
-      [boardID, threadID, postID] = match.slice(1)
+      const match = link.href.match(g.SITE.regexp.quotelink)
+      ;[boardID, threadID, postID] = Array.from(match.slice(1))
       if (!postID) {
         postID = threadID
       }
@@ -90,7 +83,7 @@ interface Get {
       threadID: +threadID,
       postID: +postID,
     }
-  },  
+  },
   allQuotelinksLinkingTo(post) {
     // Get quotelinks & backlinks linking to the given post.
     const quotelinks = []
diff --git a/src/Menu/CopyTextLink.ts b/src/Menu/CopyTextLink.ts
deleted file mode 100644
index 27e4a91..0000000
--- a/src/Menu/CopyTextLink.ts
+++ /dev/null
@@ -1,47 +0,0 @@
-import { g, Conf, d } from '../globals/globals'
-import $ from '../platform/$'
-import Menu from './Menu'
-import type Post  from '../classes/Post'
-
-var CopyTextLink = {
-  text: '',
-  init(): void {
-    if (
-      !['index', 'thread'].includes(g.VIEW) ||
-      !Conf['Menu'] ||
-      !Conf['Copy Text Link']
-    ) {
-      return
-    }
-
-    const a: HTMLAnchorElement = $.el('a', {
-      className: 'copy-text-link',
-      href: 'javascript:;',
-      textContent: 'Copy Text',
-    })
-    $.on(a, 'click', CopyTextLink.copy)
-
-    return Menu.menu.addEntry({
-      el: a,
-      order: 12,
-      open(post: Post): boolean {
-        CopyTextLink.text = (post.origin || post).commentOrig()
-        return true
-      },
-    })
-  },
-
-  copy() {
-    const el: HTMLTextAreaElement = $.el('textarea', {
-      className: 'copy-text-element',
-      value: CopyTextLink.text,
-    })
-    $.add(d.body, el)
-    el.select()
-    try {
-      d.execCommand('copy')
-    } catch (error) {}
-    return $.rm(el)
-  },
-}
-export default CopyTextLink
diff --git a/src/Menu/DownloadLink.ts b/src/Menu/DownloadLink.js
similarity index 75%
rename from src/Menu/DownloadLink.ts
rename to src/Menu/DownloadLink.js
index b7d138c..78736f1 100644
--- a/src/Menu/DownloadLink.ts
+++ b/src/Menu/DownloadLink.js
@@ -3,8 +3,13 @@ import ImageCommon from '../Images/ImageCommon'
 import $ from '../platform/$'
 import Menu from './Menu'
 
+/*
+ * decaffeinate suggestions:
+ * DS102: Remove unnecessary code created because of implicit returns
+ * Full docs: https://github.com/decaffeinate/decaffeinate/blob/main/docs/suggestions.md
+ */
 const DownloadLink = {
-  init(): void {
+  init() {
     if (
       !['index', 'thread'].includes(g.VIEW) ||
       !Conf['Menu'] ||
@@ -13,7 +18,7 @@ const DownloadLink = {
       return
     }
 
-    const a: HTMLAnchorElement = $.el('a', {
+    const a = $.el('a', {
       className: 'download-link',
       textContent: 'Download file',
     })
@@ -24,7 +29,7 @@ const DownloadLink = {
     return Menu.menu.addEntry({
       el: a,
       order: 100,
-      open({file}) {
+      open({ file }) {
         if (!file) {
           return false
         }
diff --git a/src/Menu/Menu.js b/src/Menu/Menu.js
new file mode 100644
index 0000000..1a56882
--- /dev/null
+++ b/src/Menu/Menu.js
@@ -0,0 +1,61 @@
+import Callbacks from '../classes/Callbacks'
+import UI from '../General/UI'
+import { g, Conf } from '../globals/globals'
+import $ from '../platform/$'
+
+/*
+ * decaffeinate suggestions:
+ * DS102: Remove unnecessary code created because of implicit returns
+ * Full docs: https://github.com/decaffeinate/decaffeinate/blob/main/docs/suggestions.md
+ */
+var Menu = {
+  init() {
+    if (!['index', 'thread'].includes(g.VIEW) || !Conf['Menu']) {
+      return
+    }
+
+    this.button = $.el('a', {
+      className: 'menu-button',
+      href: 'javascript:;',
+    })
+
+    $.extend(this.button, { innerHTML: '<i class="fa fa-angle-down"></i>' })
+
+    this.menu = new UI.Menu('post')
+    Callbacks.Post.push({
+      name: 'Menu',
+      cb: this.node,
+    })
+
+    return Callbacks.CatalogThread.push({
+      name: 'Menu',
+      cb: this.catalogNode,
+    })
+  },
+
+  node() {
+    if (this.isClone) {
+      const button = $('.menu-button', this.nodes.info)
+      $.rmClass(button, 'active')
+      $.rm($('.dialog', this.nodes.info))
+      Menu.makeButton(this, button)
+      return
+    }
+    return $.add(this.nodes.info, Menu.makeButton(this))
+  },
+
+  catalogNode() {
+    return $.after(this.nodes.icons, Menu.makeButton(this.thread.OP))
+  },
+
+  makeButton(post, button) {
+    if (!button) {
+      button = Menu.button.cloneNode(true)
+    }
+    $.on(button, 'click', function (e) {
+      return Menu.menu.toggle(e, this, post)
+    })
+    return button
+  },
+}
+export default Menu
diff --git a/src/Menu/Menu.ts b/src/Menu/Menu.ts
deleted file mode 100644
index 0fd8d87..0000000
--- a/src/Menu/Menu.ts
+++ /dev/null
@@ -1,71 +0,0 @@
-import Callbacks from '../classes/Callbacks';
-import UI from '../General/UI';
-import { g, Conf } from '../globals/globals';
-import $ from '../platform/$';
-
-interface Post {
-  isClone?: boolean;
-  nodes: {
-    info: HTMLElement;
-    icons: HTMLElement;
-  };
-  thread?: {
-    OP: Post;
-  };
-}
-
-const Menu = {
-  button: document.createElement('a'),
-  menu: new UI.Menu('post'),
-
-  init(): void | ReturnType<typeof Callbacks.CatalogThread.push> {
-    if (!['index', 'thread'].includes(g.VIEW) || !Conf['Menu']) {
-      return;
-    }
-
-    this.button = $.el('a', {
-      className: 'menu-button',
-      href: 'javascript:;',
-    });
-
-    $.extend(this.button, { innerHTML: '<i class="fa fa-angle-down"></i>' });
-
-    this.menu = new UI.Menu('post');
-    Callbacks.Post.push({
-      name: 'Menu',
-      cb: this.node,
-    });
-
-    return Callbacks.CatalogThread.push({
-      name: 'Menu',
-      cb: this.catalogNode,
-    });
-  },
-
-  node(this: Post): void | HTMLElement {
-    if (this.isClone) {
-      const button = $('.menu-button', this.nodes.info);
-      $.rmClass(button, 'active');
-      $.rm($('.dialog', this.nodes.info));
-      Menu.makeButton(this, button);
-      return;
-    }
-    return $.add(this.nodes.info, Menu.makeButton(this));
-  },
-
-  catalogNode(this: Post): void {
-    return $.after(this.nodes.icons, Menu.makeButton(this.thread!.OP));
-  },
-
-  makeButton(post: Post, button?: HTMLElement): HTMLElement {
-    if (!button) {
-      button = Menu.button.cloneNode(true) as HTMLElement;
-    }
-    $.on(button, 'click', function (this: HTMLElement, e: Event) {
-      return Menu.menu.toggle(e, this, post);
-    });
-    return button;
-  },
-};
-
-export default Menu;
diff --git a/src/Menu/ReportLink.js b/src/Menu/ReportLink.js
index 4859e5f..3969948 100644
--- a/src/Menu/ReportLink.js
+++ b/src/Menu/ReportLink.js
@@ -2,6 +2,11 @@ import { g, Conf, d } from '../globals/globals'
 import $ from '../platform/$'
 import Menu from './Menu'
 
+/*
+ * decaffeinate suggestions:
+ * DS102: Remove unnecessary code created because of implicit returns
+ * Full docs: https://github.com/decaffeinate/decaffeinate/blob/main/docs/suggestions.md
+ */
 var ReportLink = {
   init() {
     if (
diff --git a/src/platform/$$.js b/src/platform/$$.js
deleted file mode 100644
index 11ec207..0000000
--- a/src/platform/$$.js
+++ /dev/null
@@ -1,12 +0,0 @@
-import { d } from '../globals/globals'
-
-/*
- * decaffeinate suggestions:
- * DS101: Remove unnecessary use of Array.from
- * DS102: Remove unnecessary code created because of implicit returns
- * Full docs: https://github.com/decaffeinate/decaffeinate/blob/main/docs/suggestions.md
- */
-const $$ = (selector, root = d.body) => [
-  ...Array.from(root.querySelectorAll(selector)),
-]
-export default $$
diff --git a/src/platform/$$.ts b/src/platform/$$.ts
new file mode 100644
index 0000000..83d413f
--- /dev/null
+++ b/src/platform/$$.ts
@@ -0,0 +1,6 @@
+import { d } from '../globals/globals';
+
+const $$ = (selector: string, root: HTMLElement | null = d.body): Element[] =>
+  Array.from(root?.querySelectorAll(selector) ?? []) as Element[];
+
+export default $$;
\ No newline at end of file
diff --git a/src/site/SW.yotsuba.Build/PostInfoHtml.tsx b/src/site/SW.yotsuba.Build/PostInfoHtml.tsx
index 7eaf061..f24d248 100644
--- a/src/site/SW.yotsuba.Build/PostInfoHtml.tsx
+++ b/src/site/SW.yotsuba.Build/PostInfoHtml.tsx
@@ -2,29 +2,29 @@ import { g } from '../../globals/globals'
 import h, { EscapedHtml } from '../../globals/jsx'
 
 export default function generatePostInfoHtml(
-  ID,
-  o,
-  subject,
-  capcode,
-  email,
-  name,
-  tripcode,
-  pass,
-  capcodeLC,
-  capcodePlural,
-  staticPath,
-  gifIcon,
-  capcodeDescription,
-  uniqueID,
-  flag,
-  flagCode,
-  flagCodeTroll,
-  dateUTC,
-  dateText,
-  postLink,
-  quoteLink,
-  boardID,
-  threadID,
+  ID: number,
+  o: any,
+  subject: string,
+  capcode: string,
+  email: string,
+  name: string,
+  tripcode: string,
+  pass: string,
+  capcodeLC: string,
+  capcodePlural: string,
+  staticPath: string,
+  gifIcon: string,
+  capcodeDescription: string,
+  uniqueID: string,
+  flag: string,
+  flagCode: string,
+  flagCodeTroll: string,
+  dateUTC: string,
+  dateText: string,
+  postLink: string,
+  quoteLink: string,
+  boardID: string,
+  threadID: number,
 ): EscapedHtml {
   const nameHtml: (EscapedHtml | string)[] = [
     <span class={`name${capcode ? ' ' + capcode : ''}`}>{name}</span>,
diff --git a/src/site/Site.ts b/src/site/Site.js
similarity index 86%
rename from src/site/Site.ts
rename to src/site/Site.js
index 8a029ad..fb9cb72 100644
--- a/src/site/Site.ts
+++ b/src/site/Site.js
@@ -4,6 +4,11 @@ import $ from '../platform/$'
 import { dict } from '../platform/helpers'
 import SW from './SW'
 
+/*
+ * decaffeinate suggestions:
+ * DS102: Remove unnecessary code created because of implicit returns
+ * Full docs: https://github.com/decaffeinate/decaffeinate/blob/main/docs/suggestions.md
+ */
 var Site = {
   defaultProperties: {
     '4chan.org': { software: 'yotsuba' },
@@ -14,7 +19,7 @@ var Site = {
     'smug.nepu.moe': { canonical: 'smuglo.li' },
   },
 
-  init(cb: () => void): void {
+  init(cb) {
     $.extend(Conf['siteProperties'], Site.defaultProperties)
     let hostname = Site.resolve()
     if (hostname && $.hasOwn(SW, Conf['siteProperties'][hostname].software)) {
@@ -23,7 +28,7 @@ var Site = {
     }
     return $.onExists(doc, 'body', () => {
       for (var software in SW) {
-        var changes = null
+        var changes
         if ((changes = SW[software].detect?.())) {
           changes.software = software
           hostname = location.hostname.replace(/^www\./, '')
@@ -50,13 +55,13 @@ var Site = {
     })
   },
 
-  resolve(url = location.href): string {
-    let { hostname: hostname } = new URL(url)
+  resolve(url = location) {
+    let { hostname } = url
     while (hostname && !$.hasOwn(Conf['siteProperties'], hostname)) {
       hostname = hostname.replace(/^[^.]*\.?/, '')
     }
     if (hostname) {
-      let canonical: string
+      let canonical
       if ((canonical = Conf['siteProperties'][hostname].canonical)) {
         hostname = canonical
       }
@@ -64,13 +69,14 @@ var Site = {
     return hostname
   },
 
-  parseURL(url: any): any {
+  parseURL(url) {
     const siteID = Site.resolve(url)
     return Main.parseURL(g.sites[siteID], url)
   },
-  set(hostname: string) {
+
+  set(hostname) {
     for (var ID in Conf['siteProperties']) {
-      var site: HTMLElement
+      var site
       var properties = Conf['siteProperties'][ID]
       if (properties.canonical) {
         continue