diff --git a/components/FileListing.tsx b/components/FileListing.tsx
index f49c6b5..71ce95c 100644
--- a/components/FileListing.tsx
+++ b/components/FileListing.tsx
@@ -11,8 +11,8 @@ import { useRouter } from 'next/router'
 import dynamic from 'next/dynamic'
 
 import { humanFileSize, formatModifiedDateTime } from '../utils/fileDetails'
-import { getExtension, getFileIcon, hasKey } from '../utils/getFileIcon'
-import { extensions, preview } from '../utils/getPreviewType'
+import { getExtension, getFileIcon } from '../utils/getFileIcon'
+import { getPreviewType, preview } from '../utils/getPreviewType'
 import { useProtectedSWRInfinite } from '../utils/fetchWithSWR'
 import { getBaseUrl } from '../utils/getBaseUrl'
 import {
@@ -37,6 +37,8 @@ import DefaultPreview from './previews/DefaultPreview'
 import { DownloadBtnContainer, PreviewContainer } from './previews/Containers'
 import DownloadButtonGroup from './DownloadBtnGtoup'
 
+import { OdFileObject, OdFolderObject } from '../types'
+
 // Disabling SSR for some previews (image gallery view, and PDF view)
 const ReactViewer = dynamic(() => import('react-viewer'), { ssr: false })
 const EPUBPreview = dynamic(() => import('./previews/EPUBPreview'), { ssr: false })
@@ -57,9 +59,7 @@ const queryToPath = (query?: ParsedUrlQuery) => {
   return '/'
 }
 
-const FileListItem: FC<{
-  fileContent: { id: string; name: string; size: number; file: Object; lastModifiedDateTime: string }
-}> = ({ fileContent: c }) => {
+const FileListItem: FC<{ fileContent: OdFolderObject['value'][number] }> = ({ fileContent: c }) => {
   const emojiIcon = emojiRegex().exec(c.name)
   const renderEmoji = emojiIcon && !emojiIcon.index
 
@@ -71,7 +71,7 @@ const FileListItem: FC<{
           {renderEmoji ? (
             <span>{emojiIcon ? emojiIcon[0] : '📁'}</span>
           ) : (
-            <FontAwesomeIcon icon={c.file ? getFileIcon(c.name) : ['far', 'folder']} />
+            <FontAwesomeIcon icon={c.file ? getFileIcon(c.name, { video: Boolean(c.video) }) : ['far', 'folder']} />
           )}
         </div>
         <div className="truncate">
@@ -185,10 +185,8 @@ const FileListing: FC<{ query?: ParsedUrlQuery }> = ({ query }) => {
 
   const fileIsImage = (fileName: string) => {
     const fileExtension = getExtension(fileName)
-    if (hasKey(extensions, fileExtension)) {
-      if (extensions[fileExtension] === preview.image) {
-        return true
-      }
+    if (getPreviewType(fileExtension) === preview.image) {
+      return true
     }
     return false
   }
@@ -209,12 +207,12 @@ const FileListing: FC<{ query?: ParsedUrlQuery }> = ({ query }) => {
 
     // README rendering preparations
     let renderReadme = false
-    let readmeFile = null
+    let readmeFile = {}
 
     // Expand list of API returns into flattened file data
-    const children = [].concat(...responses.map(r => r.folder.value))
+    const children = [].concat(...responses.map(r => r.folder.value)) as OdFolderObject['value']
 
-    children.forEach((c: any) => {
+    children.forEach(c => {
       if (fileIsImage(c.name)) {
         imagesInFolder.push({
           src: c['@microsoft.graph.downloadUrl'],
@@ -232,11 +230,11 @@ const FileListing: FC<{ query?: ParsedUrlQuery }> = ({ query }) => {
     })
 
     // Filtered file list helper
-    const getFiles = () => children.filter((c: any) => !c.folder && c.name !== '.password')
+    const getFiles = () => children.filter(c => !c.folder && c.name !== '.password')
 
     // File selection
     const genTotalSelected = (selected: { [key: string]: boolean }) => {
-      const selectInfo = getFiles().map((c: any) => Boolean(selected[c.id]))
+      const selectInfo = getFiles().map(c => Boolean(selected[c.id]))
       const [hasT, hasF] = [selectInfo.some(i => i), selectInfo.some(i => !i)]
       return hasT && hasF ? 1 : !hasF ? 2 : 0
     }
@@ -258,7 +256,7 @@ const FileListing: FC<{ query?: ParsedUrlQuery }> = ({ query }) => {
         setSelected({})
         setTotalSelected(0)
       } else {
-        setSelected(Object.fromEntries(getFiles().map((c: any) => [c.id, true])))
+        setSelected(Object.fromEntries(getFiles().map(c => [c.id, true])))
         setTotalSelected(2)
       }
     }
@@ -268,8 +266,8 @@ const FileListing: FC<{ query?: ParsedUrlQuery }> = ({ query }) => {
       const folderName = path.substring(path.lastIndexOf('/') + 1)
       const folder = folderName ? decodeURIComponent(folderName) : undefined
       const files = getFiles()
-        .filter((c: any) => selected[c.id])
-        .map((c: any) => ({ name: c.name, url: c['@microsoft.graph.downloadUrl'] }))
+        .filter(c => selected[c.id])
+        .map(c => ({ name: c.name, url: c['@microsoft.graph.downloadUrl'] }))
 
       if (files.length == 1) {
         const el = document.createElement('a')
@@ -404,7 +402,7 @@ const FileListing: FC<{ query?: ParsedUrlQuery }> = ({ query }) => {
             />
           )}
 
-          {children.map((c: any) => (
+          {children.map(c => (
             <div className="hover:bg-gray-100 dark:hover:bg-gray-850 grid grid-cols-12" key={c.id}>
               <div
                 className="col-span-10"
@@ -541,13 +539,14 @@ const FileListing: FC<{ query?: ParsedUrlQuery }> = ({ query }) => {
   }
 
   if ('file' in responses[0] && responses.length === 1) {
-    const { file } = responses[0]
+    const file = responses[0].file as OdFileObject
     const downloadUrl = file['@microsoft.graph.downloadUrl']
     const fileName = file.name
     const fileExtension = fileName.slice(((fileName.lastIndexOf('.') - 1) >>> 0) + 2).toLowerCase()
 
-    if (hasKey(extensions, fileExtension)) {
-      switch (extensions[fileExtension]) {
+    const previewType = getPreviewType(fileExtension, { video: Boolean(file.video) })
+    if (previewType) {
+      switch (previewType) {
         case preview.image:
           return (
             <>
diff --git a/components/previews/DefaultPreview.tsx b/components/previews/DefaultPreview.tsx
index f26c21e..9b581fc 100644
--- a/components/previews/DefaultPreview.tsx
+++ b/components/previews/DefaultPreview.tsx
@@ -15,7 +15,7 @@ const DefaultPreview: FC<{ file: OdFileObject }> = ({ file }) => {
       <PreviewContainer>
         <div className="md:flex px-5 py-4 md:space-x-8 items-center">
           <div className="text-center border rounded-lg px-10 py-20 border-gray-900/10 dark:border-gray-500/30">
-            <FontAwesomeIcon icon={getFileIcon(file.name)} />
+            <FontAwesomeIcon icon={getFileIcon(file.name, { video: Boolean(file.video) })} />
             <div className="font-medium text-sm mt-6">{file.name}</div>
           </div>
 
diff --git a/pages/api/index.ts b/pages/api/index.ts
index 28f543f..9a6958e 100644
--- a/pages/api/index.ts
+++ b/pages/api/index.ts
@@ -194,7 +194,7 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
     const { data: identityData } = await axios.get(requestUrl, {
       headers: { Authorization: `Bearer ${accessToken}` },
       params: {
-        select: '@microsoft.graph.downloadUrl,name,size,id,lastModifiedDateTime,folder,file',
+        select: '@microsoft.graph.downloadUrl,name,size,id,lastModifiedDateTime,folder,file,video',
       },
     })
 
@@ -203,12 +203,12 @@ export default async function handler(req: NextApiRequest, res: NextApiResponse)
         headers: { Authorization: `Bearer ${accessToken}` },
         params: next
           ? {
-              select: '@microsoft.graph.downloadUrl,name,size,id,lastModifiedDateTime,folder,file',
+              select: '@microsoft.graph.downloadUrl,name,size,id,lastModifiedDateTime,folder,file,video',
               top: siteConfig.maxItems,
               $skipToken: next,
             }
           : {
-              select: '@microsoft.graph.downloadUrl,name,size,id,lastModifiedDateTime,folder,file',
+              select: '@microsoft.graph.downloadUrl,name,size,id,lastModifiedDateTime,folder,file,video',
               top: siteConfig.maxItems,
             },
       })
diff --git a/types/index.d.ts b/types/index.d.ts
index d03c7c1..0d4867e 100644
--- a/types/index.d.ts
+++ b/types/index.d.ts
@@ -1,61 +1,60 @@
-export type OdFileObject = {
+// API response object for /api?path=<path_to_file_or_folder>, this may return either a file or a folder.
+// Pagination is also declared here with the 'next' parameter.
+export declare type OdAPIResponse = { file?: OdFileObject; folder?: OdFolderObject; next?: string }
+// A folder object returned from the OneDrive API. This contains the parameter 'value', which is an array of items
+// inside the folder. The items may also be either files or folders.
+export declare type OdFolderObject = {
+  '@odata.count': number
+  '@odata.context': string
+  '@odata.nextLink'?: string
+  value: Array<{
+    '@microsoft.graph.downloadUrl': string
+    id: string
+    name: string
+    size: number
+    lastModifiedDateTime: string
+    file?: { mimeType: string; hashes: { quickXorHash: string; sha1Hash?: string; sha256Hash?: string } }
+    folder?: { childCount: number; view: { sortBy: string; sortOrder: 'ascending'; viewType: 'thumbnails' } }
+    video?: OdVideoFile
+  }>
+}
+// A file object returned from the OneDrive API. This object may contain 'video' if the file is a video.
+export declare type OdFileObject = {
   '@microsoft.graph.downloadUrl': string
+  '@odata.context': string
   name: string
   size: number
   id: string
   lastModifiedDateTime: string
-  file: {
-    mimeType: string
-    hashes: {
-      quickXorHash: string
-      sha1Hash: string
-      sha256Hash: string
-    }
-  }
+  file: { mimeType: string; hashes: { quickXorHash: string; sha1Hash?: string; sha256Hash?: string } }
+  video?: OdVideoFile
 }
-
-export type OdFolderObject = {
-  '@odata.count': number
-  value: Array<{
-    id: string
-    name: string
-    lastModifiedDateTime: string
-    size: number
-    folder: {
-      childCount: number
-      view: {
-        sortBy: 'name'
-        sortOrder: 'ascending'
-        viewType: 'thumbnails'
-      }
-    }
-  }>
+// A representation of a OneDrive video file. All fields are declared here, but we mainly use 'width' and 'height'.
+export declare type OdVideoFile = {
+  width: number
+  height: number
+  duration: number
+  bitrate: number
+  frameRate: number
+  audioBitsPerSample: number
+  audioChannels: number
+  audioFormat: string
+  audioSamplesPerSecond: number
 }
-
-// Search result type which is returned by /api/search?q={query}
-export type OdSearchResult = Array<{
+// API response object for /api/search?q=<query>. Likewise, this array of items may also contain either files or folders.
+export declare type OdSearchResult = Array<{
   id: string
   name: string
   file?: OdFileObject
   folder?: OdFolderObject
   path: string
-  parentReference: {
-    id: string
-    name: string
-    path: string
-  }
+  parentReference: { id: string; name: string; path: string }
 }>
-
-// driveItem type which is returned by /api/item?id={id}
+// API response object for /api/item?id={id}. This is primarily used for determining the path of the driveItem by ID.
 export type OdDriveItem = {
   '@odata.context': string
   '@odata.etag': string
   id: string
   name: string
-  parentReference: {
-    driveId: string
-    driveType: string
-    id: string
-    path: string
-  }
+  parentReference: { driveId: string; driveType: string; id: string; path: string }
 }
diff --git a/utils/getFileIcon.ts b/utils/getFileIcon.ts
index 57ac808..9027486 100644
--- a/utils/getFileIcon.ts
+++ b/utils/getFileIcon.ts
@@ -94,7 +94,17 @@ export function getExtension(fileName: string): string {
   return fileName.slice(((fileName.lastIndexOf('.') - 1) >>> 0) + 2).toLowerCase()
 }
 
-export function getFileIcon(fileName: string): [IconPrefix, IconName] {
+export function getFileIcon(fileName: string, flags?: { video?: boolean }): [IconPrefix, IconName] {
   const extension = getExtension(fileName)
-  return hasKey(extensions, extension) ? extensions[extension] : icons.file
+  let icon = hasKey(extensions, extension) ? extensions[extension] : icons.file
+
+  // Files with '.ts' extensions may be TypeScript files or TS Video files, we check for the flag 'video'
+  // to determine which icon to render for '.ts' files.
+  if (extension === 'ts') {
+    if (flags?.video) {
+      icon = icons.video
+    }
+  }
+
+  return icon
 }
diff --git a/utils/getPreviewType.ts b/utils/getPreviewType.ts
index 2a0d160..b8d6a31 100644
--- a/utils/getPreviewType.ts
+++ b/utils/getPreviewType.ts
@@ -1,4 +1,4 @@
-const preview = {
+export const preview = {
   markdown: 'markdown',
   image: 'image',
   text: 'text',
@@ -11,7 +11,7 @@ const preview = {
   url: 'url',
 }
 
-const extensions = {
+export const extensions = {
   gif: preview.image,
   jpeg: preview.image,
   jpg: preview.image,
@@ -34,13 +34,17 @@ const extensions = {
   c: preview.code,
   cpp: preview.code,
   js: preview.code,
+  jsx: preview.code,
   java: preview.code,
   sh: preview.code,
   cs: preview.code,
   py: preview.code,
   css: preview.code,
   html: preview.code,
+  // typescript or video file, determined below
   ts: preview.code,
+  tsx: preview.code,
+  rs: preview.code,
   vue: preview.code,
   json: preview.code,
   yaml: preview.code,
@@ -70,4 +74,19 @@ const extensions = {
   url: preview.url,
 }
 
-export { extensions, preview }
+export function getPreviewType(extension: string, flags?: { video?: boolean }): string | undefined {
+  let previewType = extensions[extension]
+  if (!previewType) {
+    return previewType
+  }
+
+  // Files with '.ts' extensions may be TypeScript files or TS Video files, we check for the flag 'video'
+  // to determine what preview renderer to use for '.ts' files.
+  if (extension === 'ts') {
+    if (flags?.video) {
+      previewType = preview.video
+    }
+  }
+
+  return previewType
+}