diff --git a/src/components/AccessDeniedDescription.tsx b/src/components/AccessDeniedDescription.tsx
index 5af5aab..f219f6f 100644
--- a/src/components/AccessDeniedDescription.tsx
+++ b/src/components/AccessDeniedDescription.tsx
@@ -2,7 +2,7 @@ import { useConfigs } from 'containers/ConfigsContext'
 import { GITHUB_OAUTH } from 'env'
 import { platform } from 'platforms'
 import { GitHub } from 'platforms/GitHub'
-import * as React from 'react'
+import React from 'react'
 
 export function AccessDeniedDescription() {
   const { accessToken } = useConfigs().value
diff --git a/src/components/Clippy.tsx b/src/components/Clippy.tsx
index 53038fa..b249216 100644
--- a/src/components/Clippy.tsx
+++ b/src/components/Clippy.tsx
@@ -1,4 +1,4 @@
-import * as React from 'react'
+import React, { useEffect, useRef, useState } from 'react'
 import { cx } from 'utils/cx'
 import { copyElementContent } from 'utils/DOMHelper'
 
@@ -10,8 +10,8 @@ const className = 'clippy-wrapper'
 export const ClippyClassName = className
 
 export function Clippy({ codeSnippetElement }: Props) {
-  const [state, setState] = React.useState<'normal' | 'success' | 'fail'>('normal')
-  React.useEffect(() => {
+  const [state, setState] = useState<'normal' | 'success' | 'fail'>('normal')
+  useEffect(() => {
     const timer = window.setTimeout(() => {
       setState('normal')
     }, 1000)
@@ -21,8 +21,8 @@ export function Clippy({ codeSnippetElement }: Props) {
   // Temporary fix:
   // React moved root node of event delegation since v17
   // onClick on <a /> won't work when rendered with `renderReact`
-  const elementRef = React.useRef<HTMLButtonElement | null>(null)
-  React.useEffect(() => {
+  const elementRef = useRef<HTMLButtonElement | null>(null)
+  useEffect(() => {
     const element = elementRef.current
     if (element) {
       const onClippyClick = () =>
diff --git a/src/components/FileExplorer/DiffStatGraph.tsx b/src/components/FileExplorer/DiffStatGraph.tsx
index f5a9426..45329cc 100644
--- a/src/components/FileExplorer/DiffStatGraph.tsx
+++ b/src/components/FileExplorer/DiffStatGraph.tsx
@@ -5,7 +5,7 @@ import {
   DiffRemovedIcon,
   DiffRenamedIcon,
 } from '@primer/octicons-react'
-import * as React from 'react'
+import React from 'react'
 import { resolveDiffGraphMeta } from 'utils/general'
 import { Icon } from '../Icon'
 
diff --git a/src/components/FileExplorer/DiffStatText.tsx b/src/components/FileExplorer/DiffStatText.tsx
index caa60d0..2763fc0 100644
--- a/src/components/FileExplorer/DiffStatText.tsx
+++ b/src/components/FileExplorer/DiffStatText.tsx
@@ -1,4 +1,4 @@
-import * as React from 'react'
+import React from 'react'
 import { Icon } from '../Icon'
 
 const iconMap = {
diff --git a/src/components/FileExplorer/Node.tsx b/src/components/FileExplorer/Node.tsx
index a202622..c0817b3 100644
--- a/src/components/FileExplorer/Node.tsx
+++ b/src/components/FileExplorer/Node.tsx
@@ -1,6 +1,6 @@
 import { useConfigs } from 'containers/ConfigsContext'
 import { platform } from 'platforms'
-import * as React from 'react'
+import React, { useMemo, useRef } from 'react'
 import { cx } from 'utils/cx'
 import { cancelEvent } from 'utils/DOMHelper'
 import { getFileIconURL, getFolderIconURL } from 'utils/parseIconMapCSV'
@@ -43,7 +43,7 @@ export const Node = React.memo(function Node({
   onFocus,
 }: Props) {
   const { compactFileTree: compact } = useConfigs().value
-  const ref = React.useRef<HTMLDivElement>(null)
+  const ref = useRef<HTMLDivElement>(null)
   return (
     <a
       href={node.url}
@@ -87,11 +87,11 @@ const NodeItemIcon = React.memo(function NodeItemIcon({
 }) {
   const { icons } = useConfigs().value
 
-  const src = React.useMemo(
+  const src = useMemo(
     () => (node.type === 'tree' ? getFolderIconURL(node, open) : getFileIconURL(node)),
     [node, open],
   )
-  const iconType = React.useMemo(() => getIconType(node), [node])
+  const iconType = useMemo(() => getIconType(node), [node])
 
   if (icons === 'native') return <Icon type={iconType} />
   return (
diff --git a/src/components/FileExplorer/hooks/useExpandTo.tsx b/src/components/FileExplorer/hooks/useExpandTo.tsx
index 4f9a74c..67ad1c0 100644
--- a/src/components/FileExplorer/hooks/useExpandTo.tsx
+++ b/src/components/FileExplorer/hooks/useExpandTo.tsx
@@ -1,8 +1,8 @@
-import * as React from 'react'
+import { useCallback } from 'react'
 import { VisibleNodesGenerator } from 'utils/VisibleNodesGenerator'
 
 export function useExpandTo(visibleNodesGenerator: VisibleNodesGenerator) {
-  return React.useCallback(
+  return useCallback(
     async (currentPath: string[]) => {
       const nodeExpandedTo = await visibleNodesGenerator.expandTo(currentPath.join('/'))
       if (nodeExpandedTo) visibleNodesGenerator.focusNode(nodeExpandedTo)
diff --git a/src/components/FileExplorer/hooks/useFocusNode.tsx b/src/components/FileExplorer/hooks/useFocusNode.tsx
index 4d8d9e4..3097f33 100644
--- a/src/components/FileExplorer/hooks/useFocusNode.tsx
+++ b/src/components/FileExplorer/hooks/useFocusNode.tsx
@@ -1,8 +1,8 @@
-import * as React from 'react'
+import { useCallback } from 'react'
 import { VisibleNodesGenerator } from 'utils/VisibleNodesGenerator'
 
 export function useFocusNode(visibleNodesGenerator: VisibleNodesGenerator) {
-  return React.useCallback(
+  return useCallback(
     (node: TreeNode | null) => visibleNodesGenerator.focusNode(node),
     [visibleNodesGenerator],
   )
diff --git a/src/components/FileExplorer/hooks/useGoTo.tsx b/src/components/FileExplorer/hooks/useGoTo.tsx
index f17918d..609b62c 100644
--- a/src/components/FileExplorer/hooks/useGoTo.tsx
+++ b/src/components/FileExplorer/hooks/useGoTo.tsx
@@ -1,4 +1,4 @@
-import * as React from 'react'
+import React, { useCallback } from 'react'
 import { VisibleNodesGenerator } from 'utils/VisibleNodesGenerator'
 import { useExpandTo } from './useExpandTo'
 
@@ -7,7 +7,7 @@ export function useGoTo(
   updateSearchKey: React.Dispatch<React.SetStateAction<string>>,
   expandTo: ReturnType<typeof useExpandTo>,
 ) {
-  return React.useCallback(
+  return useCallback(
     (path: string[]) => {
       updateSearchKey('')
       visibleNodesGenerator.search(null)
diff --git a/src/components/FileExplorer/hooks/useHandleKeyDown.tsx b/src/components/FileExplorer/hooks/useHandleKeyDown.tsx
index ff96844..e84671f 100644
--- a/src/components/FileExplorer/hooks/useHandleKeyDown.tsx
+++ b/src/components/FileExplorer/hooks/useHandleKeyDown.tsx
@@ -1,5 +1,5 @@
 import { SidebarContext } from 'components/SidebarContext'
-import * as React from 'react'
+import React, { useCallback, useContext } from 'react'
 import * as DOMHelper from 'utils/DOMHelper'
 import { OperatingSystems, os } from 'utils/general'
 import { loadWithFastRedirect } from 'utils/hooks/useFastRedirect'
@@ -32,9 +32,9 @@ export function useHandleKeyDown(
   searched: boolean,
   setAlignMode: (mode: AlignMode) => void,
 ) {
-  const { pendingFocusTarget } = React.useContext(SidebarContext)
+  const { pendingFocusTarget } = useContext(SidebarContext)
   const setPendingFocusTarget = pendingFocusTarget.onChange
-  return React.useCallback(
+  return useCallback(
     (event: React.KeyboardEvent<HTMLElement>) => {
       const { nodes, focusedNode, expandedNodes } = visibleNodes
 
diff --git a/src/components/FileExplorer/hooks/useNodeRenderers.tsx b/src/components/FileExplorer/hooks/useNodeRenderers.tsx
index a65aefd..a875e80 100644
--- a/src/components/FileExplorer/hooks/useNodeRenderers.tsx
+++ b/src/components/FileExplorer/hooks/useNodeRenderers.tsx
@@ -8,7 +8,7 @@ import { ActionList, AnchoredOverlay } from '@primer/react'
 import { useConfigs } from 'containers/ConfigsContext'
 import { PortalContext } from 'containers/PortalContext'
 import { platform } from 'platforms'
-import * as React from 'react'
+import React, { useCallback, useContext, useMemo, useState } from 'react'
 import { useCopyToClipboard } from 'react-use'
 import { cx } from 'utils/cx'
 import { cancelEvent, onEnterKeyDown } from 'utils/DOMHelper'
@@ -22,7 +22,7 @@ import { VisibleNodesGeneratorMethods } from './useVisibleNodesGeneratorMethods'
 export type NodeRenderer = (node: TreeNode) => React.ReactNode
 
 export function useNodeRenderers(allRenderers: (NodeRenderer | null | undefined)[]) {
-  return React.useMemo(() => {
+  return useMemo(() => {
     const renderers: NodeRenderer[] = allRenderers.filter(is.not.nil)
     return renderers.length
       ? (node: TreeNode) =>
@@ -33,7 +33,7 @@ export function useNodeRenderers(allRenderers: (NodeRenderer | null | undefined)
 
 export function useRenderFileStatus() {
   const { showDiffInText } = useConfigs().value
-  return React.useCallback(
+  return useCallback(
     function renderFileStatus({ diff }: TreeNode) {
       return (
         diff && (
@@ -64,10 +64,10 @@ function NodeContextMenu({
   node: TreeNode
   visibleNodesGeneratorMethods: VisibleNodesGeneratorMethods
 }) {
-  const [isOpen, setIsOpen] = React.useState(false)
-  const [copied, setCopied] = React.useState<string | null>(null)
+  const [isOpen, setIsOpen] = useState(false)
+  const [copied, setCopied] = useState<string | null>(null)
   const [copyState, copyToClipboard] = useCopyToClipboard()
-  const portalName = React.useContext(PortalContext)
+  const portalName = useContext(PortalContext)
   const actionElements = {
     copyPermalink:
       node.permalink &&
@@ -233,14 +233,14 @@ export function useRenderFileCommentAmounts() {
     ) : null
   }
   const { commentToggle } = useConfigs().value
-  return React.useMemo(() => (commentToggle ? renderFileCommentAmounts : null), [commentToggle])
+  return useMemo(() => (commentToggle ? renderFileCommentAmounts : null), [commentToggle])
 }
 
 export function useRenderFindInFolderButton(
   onSearch: (searchKey: string, searchMode: SearchMode) => void,
 ) {
   const { searchMode } = useConfigs().value
-  return React.useMemo(
+  return useMemo(
     () =>
       searchMode === 'fuzzy'
         ? function renderFindInFolderButton(node: TreeNode) {
@@ -260,7 +260,7 @@ export function useRenderFindInFolderButton(
 }
 
 export function useRenderGoToButton(searched: boolean, goTo: (path: string[]) => void) {
-  return React.useMemo(
+  return useMemo(
     () =>
       searched
         ? function renderGoToButton(node: TreeNode): React.ReactNode {
diff --git a/src/components/FileExplorer/hooks/useOnNodeClick.tsx b/src/components/FileExplorer/hooks/useOnNodeClick.tsx
index 7647227..625a669 100644
--- a/src/components/FileExplorer/hooks/useOnNodeClick.tsx
+++ b/src/components/FileExplorer/hooks/useOnNodeClick.tsx
@@ -1,5 +1,5 @@
 import { useConfigs } from 'containers/ConfigsContext'
-import * as React from 'react'
+import React, { useCallback } from 'react'
 import { isOpenInNewWindowClick } from 'utils/general'
 import { loadWithFastRedirect } from 'utils/hooks/useFastRedirect'
 import { AlignMode } from '../useVirtualScroll'
@@ -10,7 +10,7 @@ export function useHandleNodeClick(
   setAlignMode: (mode: AlignMode) => void,
 ) {
   const { recursiveToggleFolder } = useConfigs().value
-  return React.useCallback(
+  return useCallback(
     (event: React.MouseEvent<HTMLElement, MouseEvent>, node: TreeNode) => {
       setAlignMode('lazy')
       switch (node.type) {
diff --git a/src/components/FileExplorer/hooks/useOnSearch.tsx b/src/components/FileExplorer/hooks/useOnSearch.tsx
index 2b88353..6867037 100644
--- a/src/components/FileExplorer/hooks/useOnSearch.tsx
+++ b/src/components/FileExplorer/hooks/useOnSearch.tsx
@@ -1,5 +1,5 @@
 import { useConfigs } from 'containers/ConfigsContext'
-import * as React from 'react'
+import { useCallback } from 'react'
 import { VisibleNodesGenerator } from 'utils/VisibleNodesGenerator'
 import { SearchMode, searchModes } from '../../searchModes'
 
@@ -8,7 +8,7 @@ export function useOnSearch(
   visibleNodesGenerator: VisibleNodesGenerator,
 ) {
   const { restoreExpandedFolders } = useConfigs().value
-  return React.useCallback(
+  return useCallback(
     (searchKey: string, searchMode: SearchMode) => {
       updateSearchKey(searchKey)
       visibleNodesGenerator.search(
diff --git a/src/components/FileExplorer/hooks/useRenderLabelText.tsx b/src/components/FileExplorer/hooks/useRenderLabelText.tsx
index aa39638..760684c 100644
--- a/src/components/FileExplorer/hooks/useRenderLabelText.tsx
+++ b/src/components/FileExplorer/hooks/useRenderLabelText.tsx
@@ -1,10 +1,10 @@
 import { useConfigs } from 'containers/ConfigsContext'
-import * as React from 'react'
+import { useCallback } from 'react'
 import { searchModes } from '../../searchModes'
 
 export function useRenderLabelText(searchKey: string) {
   const { searchMode } = useConfigs().value
-  return React.useCallback(
+  return useCallback(
     (node: TreeNode) => searchModes[searchMode].renderNodeLabelText(node, searchKey),
     [searchKey, searchMode],
   )
diff --git a/src/components/FileExplorer/hooks/useToggleExpansion.tsx b/src/components/FileExplorer/hooks/useToggleExpansion.tsx
index db06042..eb3150e 100644
--- a/src/components/FileExplorer/hooks/useToggleExpansion.tsx
+++ b/src/components/FileExplorer/hooks/useToggleExpansion.tsx
@@ -1,8 +1,8 @@
-import * as React from 'react'
+import { useCallback } from 'react'
 import { VisibleNodesGenerator } from 'utils/VisibleNodesGenerator'
 
 export function useToggleExpansion(visibleNodesGenerator: VisibleNodesGenerator) {
-  return React.useCallback(
+  return useCallback(
     async (
       node: TreeNode,
       {
diff --git a/src/components/FileExplorer/index.tsx b/src/components/FileExplorer/index.tsx
index 9a32ac1..cd86171 100644
--- a/src/components/FileExplorer/index.tsx
+++ b/src/components/FileExplorer/index.tsx
@@ -3,10 +3,18 @@ import { useFocusOnPendingTarget } from 'components/FocusTarget'
 import { LoadingIndicator } from 'components/LoadingIndicator'
 import { SearchBar } from 'components/SearchBar'
 import { useConfigs } from 'containers/ConfigsContext'
+import { useInspector } from 'containers/Inspector'
 import { PortalContext } from 'containers/PortalContext'
 import { RepoContext } from 'containers/RepoContext'
-import { useInspector } from 'containers/Inspector'
-import * as React from 'react'
+import React, {
+  useCallback,
+  useContext,
+  useEffect,
+  useLayoutEffect,
+  useMemo,
+  useRef,
+  useState,
+} from 'react'
 import { usePrevious, useUpdateEffect } from 'react-use'
 import { cx } from 'utils/cx'
 import { run } from 'utils/general'
@@ -46,7 +54,7 @@ export type NodeRendererContext = {
 }
 
 export function FileExplorer() {
-  const metaData = React.useContext(RepoContext)
+  const metaData = useContext(RepoContext)
   const visibleNodesGenerator = useVisibleNodesGenerator(metaData)
   const visibleNodes = useVisibleNodes(visibleNodesGenerator)
   const state = useLoadedContext(SideBarStateContext).value
@@ -88,7 +96,7 @@ function LoadedFileExplorer({
 }) {
   const config = useConfigs().value
 
-  const [searchKey, updateSearchKey] = React.useState('')
+  const [searchKey, updateSearchKey] = useState('')
   const searched = !!searchKey
   const onSearch = useOnSearch(updateSearchKey, visibleNodesGenerator)
   const { focusedNode, nodes, expandedNodes, depths, loading } = visibleNodes
@@ -117,8 +125,8 @@ function LoadedFileExplorer({
     overScan: 10,
   })
 
-  const portalName = React.useMemo(() => `${Math.random()}`, [])
-  React.useEffect(() => {
+  const portalName = useMemo(() => `${Math.random()}`, [])
+  useEffect(() => {
     const current = scrollElementRef.current
     if (current) registerPortalRoot(current, portalName)
   }, [scrollElementRef, portalName])
@@ -133,18 +141,18 @@ function LoadedFileExplorer({
   //   - "lazy"
   // - navigate with keyboard
   //   - "lazy"
-  const [alignMode, setAlignMode] = React.useState<AlignMode>('top')
+  const [alignMode, setAlignMode] = useState<AlignMode>('top')
 
-  const index = React.useMemo(
+  const index = useMemo(
     () => (focusedNode?.path ? nodes.findIndex(node => node.path === focusedNode.path) : -1),
     [focusedNode?.path, nodes],
   )
 
-  React.useLayoutEffect(() => {
+  useLayoutEffect(() => {
     if (index !== -1) scrollToItem(index, alignMode)
   }, [index, scrollToItem, alignMode])
   const prevSearchKey = usePrevious(searchKey)
-  React.useEffect(() => {
+  useEffect(() => {
     // when start searching or stop searching
     if (!prevSearchKey !== !searchKey) scrollToItem(0, alignMode)
   }, [prevSearchKey, searchKey, scrollToItem, alignMode])
@@ -170,7 +178,7 @@ function LoadedFileExplorer({
   ])
   const renderLabelText = useRenderLabelText(searchKey)
 
-  const goToCurrentItem = React.useCallback(() => {
+  const goToCurrentItem = useCallback(() => {
     const targetPath = getCurrentPath()
     if (targetPath) expandTo(targetPath)
   }, [getCurrentPath, expandTo])
@@ -178,14 +186,14 @@ function LoadedFileExplorer({
   useOnLocationChange(goToCurrentItem)
   useAfterRedirect(goToCurrentItem)
 
-  const [currentPath, setCurrentPath] = React.useState(() => getCurrentPath())
-  useAfterRedirect(React.useCallback(() => setCurrentPath(getCurrentPath()), [getCurrentPath]))
+  const [currentPath, setCurrentPath] = useState(() => getCurrentPath())
+  useAfterRedirect(useCallback(() => setCurrentPath(getCurrentPath()), [getCurrentPath]))
   useInspector('CurrentPath', currentPath)
 
-  const ref = React.useRef<HTMLDivElement | null>(null)
+  const ref = useRef<HTMLDivElement | null>(null)
   useFocusOnPendingTarget(
     'files',
-    React.useCallback(() => ref.current?.focus(), []),
+    useCallback(() => ref.current?.focus(), []),
   )
 
   return (
diff --git a/src/components/FileExplorer/useHandleNodeFocus.tsx b/src/components/FileExplorer/useHandleNodeFocus.tsx
index 50fddfe..4dd1406 100644
--- a/src/components/FileExplorer/useHandleNodeFocus.tsx
+++ b/src/components/FileExplorer/useHandleNodeFocus.tsx
@@ -1,4 +1,4 @@
-import * as React from 'react'
+import React, { useCallback } from 'react'
 import { VisibleNodesGeneratorMethods } from './hooks/useVisibleNodesGeneratorMethods'
 import { AlignMode } from './useVirtualScroll'
 
@@ -6,7 +6,7 @@ export function useHandleNodeFocus(
   { focusNode }: VisibleNodesGeneratorMethods,
   setAlignMode: (mode: AlignMode) => void,
 ) {
-  return React.useCallback(
+  return useCallback(
     (event: React.FocusEvent<HTMLElement, Element>, node: TreeNode) => {
       setAlignMode('lazy')
       focusNode(node)
diff --git a/src/components/FileExplorer/useLatestValueRef.tsx b/src/components/FileExplorer/useLatestValueRef.tsx
index 8325e36..e2ea2ad 100644
--- a/src/components/FileExplorer/useLatestValueRef.tsx
+++ b/src/components/FileExplorer/useLatestValueRef.tsx
@@ -1,8 +1,8 @@
-import * as React from 'react'
+import { useCallback, useEffect, useRef } from 'react'
 
 function useLatestValueRef<T>(value: T) {
-  const ref = React.useRef(value)
-  React.useEffect(() => {
+  const ref = useRef(value)
+  useEffect(() => {
     ref.current = value
   })
   return ref
@@ -11,5 +11,5 @@ export function useCallbackRef<Args extends AnyArray, R>(
   callback: (...args: Args) => R,
 ): (...args: Args) => R {
   const ref = useLatestValueRef(callback)
-  return React.useCallback((...args: Args) => ref.current(...args), [ref])
+  return useCallback((...args: Args) => ref.current(...args), [ref])
 }
diff --git a/src/components/FileExplorer/useVirtualScroll.tsx b/src/components/FileExplorer/useVirtualScroll.tsx
index dad2973..07a1c3e 100644
--- a/src/components/FileExplorer/useVirtualScroll.tsx
+++ b/src/components/FileExplorer/useVirtualScroll.tsx
@@ -1,4 +1,4 @@
-import * as React from 'react'
+import React, { useCallback, useMemo, useRef, useState } from 'react'
 import { useCallbackRef } from './useLatestValueRef'
 
 function memoize<Args extends AnyArray, R>(
@@ -29,14 +29,14 @@ export function useVirtualScroll<E extends HTMLElement>({
 }) {
   const totalHeight = totalAmount * rowHeight
 
-  const ref = React.useRef<E | null>(null) // TODO: compare DOM native event listener
-  const [scrollTop, setScrollTop] = React.useState(0)
+  const ref = useRef<E | null>(null) // TODO: compare DOM native event listener
+  const [scrollTop, setScrollTop] = useState(0)
 
-  const onScroll = React.useCallback((e: React.UIEvent<E, UIEvent>) => {
+  const onScroll = useCallback((e: React.UIEvent<E, UIEvent>) => {
     setScrollTop(e.currentTarget.scrollTop)
   }, [])
 
-  const [startRenderIndex, endRenderIndex] = React.useMemo(() => {
+  const [startRenderIndex, endRenderIndex] = useMemo(() => {
     const viewportLastItemOverflow = viewportHeight % rowHeight
     const visibleRowCount = (viewportHeight - viewportLastItemOverflow) / rowHeight
     const inViewIndexFirst = (Math.min(scrollTop, totalHeight - viewportHeight) / rowHeight) >> 0
@@ -46,14 +46,14 @@ export function useVirtualScroll<E extends HTMLElement>({
     return [renderIndexFirst, renderIndexLast]
   }, [scrollTop, viewportHeight, overScan, rowHeight, totalAmount, totalHeight])
 
-  const indexes = React.useMemo(() => {
+  const indexes = useMemo(() => {
     const indexes: number[] = []
     let i = startRenderIndex
     while (i < endRenderIndex) indexes.push(i++)
     return indexes
   }, [startRenderIndex, endRenderIndex])
 
-  const mapStyles = React.useCallback(
+  const mapStyles = useCallback(
     (row: number): React.CSSProperties => ({
       position: 'absolute',
       top: 0,
@@ -63,9 +63,9 @@ export function useVirtualScroll<E extends HTMLElement>({
     }),
     [rowHeight],
   )
-  const memoizedStyler = React.useMemo(() => memoize(mapStyles, row => row), [mapStyles])
+  const memoizedStyler = useMemo(() => memoize(mapStyles, row => row), [mapStyles])
 
-  const visibleRows: { row: number; style: React.CSSProperties }[] = React.useMemo(
+  const visibleRows: { row: number; style: React.CSSProperties }[] = useMemo(
     () =>
       indexes.map(row => ({
         row,
@@ -74,7 +74,7 @@ export function useVirtualScroll<E extends HTMLElement>({
     [indexes, memoizedStyler],
   )
 
-  const containerStyle: React.CSSProperties = React.useMemo(
+  const containerStyle: React.CSSProperties = useMemo(
     () => ({
       height: totalHeight,
       position: 'relative',
diff --git a/src/components/FocusTarget.tsx b/src/components/FocusTarget.tsx
index e5920f5..1d19020 100644
--- a/src/components/FocusTarget.tsx
+++ b/src/components/FocusTarget.tsx
@@ -1,11 +1,11 @@
-import * as React from 'react'
+import { useContext, useEffect } from 'react'
 import { SidebarContext } from './SidebarContext'
 
 export type FocusTarget = 'files' | 'search' | null
 
 export function useFocusOnPendingTarget(target: FocusTarget, method: () => void) {
-  const { pendingFocusTarget } = React.useContext(SidebarContext)
-  React.useEffect(() => {
+  const { pendingFocusTarget } = useContext(SidebarContext)
+  useEffect(() => {
     if (pendingFocusTarget.value === target) {
       method()
       pendingFocusTarget.onChange(null)
diff --git a/src/components/Footer.tsx b/src/components/Footer.tsx
index 82441f9..28d06d5 100644
--- a/src/components/Footer.tsx
+++ b/src/components/Footer.tsx
@@ -2,7 +2,7 @@ import { GearIcon, SyncIcon } from '@primer/octicons-react'
 import { Link } from '@primer/react'
 import { ReloadContext } from 'containers/ReloadContext'
 import { VERSION } from 'env'
-import * as React from 'react'
+import React, { useContext } from 'react'
 import { RoundIconButton } from './RoundIconButton'
 import { wikiLinks } from './settings/SettingsBar'
 
@@ -12,7 +12,7 @@ type Props = {
 
 export function Footer(props: Props) {
   const { toggleShowSettings } = props
-  const reload = React.useContext(ReloadContext)
+  const reload = useContext(ReloadContext)
   return (
     <div className={'gitako-footer'}>
       <div className="gitako-footer-section">
diff --git a/src/components/Gitako.tsx b/src/components/Gitako.tsx
index 2ce5d1a..a3baf50 100644
--- a/src/components/Gitako.tsx
+++ b/src/components/Gitako.tsx
@@ -2,7 +2,7 @@ import { SideBar } from 'components/SideBar'
 import { ConfigsContextWrapper } from 'containers/ConfigsContext'
 import { InspectorContextWrapper } from 'containers/Inspector'
 import { ReloadContextWrapper } from 'containers/ReloadContext'
-import * as React from 'react'
+import React, { useMemo } from 'react'
 import { StyleSheetManager } from 'styled-components'
 import { insertMountPoint } from 'utils/DOMHelper'
 import { ErrorBoundary } from '../containers/ErrorBoundary'
@@ -12,7 +12,7 @@ import { RepoContextWrapper } from '../containers/RepoContext'
 import { StateBarStateContextWrapper } from '../containers/SideBarState'
 
 export function Gitako() {
-  const mountPoint = React.useMemo(() => insertMountPoint(), [])
+  const mountPoint = useMemo(() => insertMountPoint(), [])
   return (
     <StyleSheetManager target={mountPoint}>
       <ReloadContextWrapper>
diff --git a/src/components/Highlight.tsx b/src/components/Highlight.tsx
index 243994e..bd27957 100644
--- a/src/components/Highlight.tsx
+++ b/src/components/Highlight.tsx
@@ -1,8 +1,8 @@
-import * as React from 'react'
+import React, { useMemo } from 'react'
 import { getIsSupportedRegex } from './searchModes/regexMode'
 
 export const Highlight = function Highlight({ text, match }: { text: string; match?: RegExp }) {
-  const $match = React.useMemo(
+  const $match = useMemo(
     () =>
       match instanceof RegExp
         ? match.flags.includes('g')
@@ -12,7 +12,7 @@ export const Highlight = function Highlight({ text, match }: { text: string; mat
     [match],
   )
 
-  const chunks = React.useMemo(() => getChunks(text, $match), [text, $match])
+  const chunks = useMemo(() => getChunks(text, $match), [text, $match])
 
   return <>{chunks.map(([type, text], key) => React.createElement(type, { key }, text))}</>
 }
diff --git a/src/components/HighlightOnIndexes.tsx b/src/components/HighlightOnIndexes.tsx
index f9748c5..2b62aa2 100644
--- a/src/components/HighlightOnIndexes.tsx
+++ b/src/components/HighlightOnIndexes.tsx
@@ -1,4 +1,4 @@
-import * as React from 'react'
+import React from 'react'
 
 export function HighlightOnIndexes({ text, indexes = [] }: { text: string; indexes?: number[] }) {
   return (
diff --git a/src/components/Icon.tsx b/src/components/Icon.tsx
index 111651f..08c4a07 100644
--- a/src/components/Icon.tsx
+++ b/src/components/Icon.tsx
@@ -3,16 +3,15 @@ import {
   ChevronRightIcon as ChevronRight,
   ClockIcon as Clock,
   CommentIcon as Comment,
-  DiffAddedIcon as DiffAdded,
   DiffIcon as Diff,
+  DiffAddedIcon as DiffAdded,
   DiffIgnoredIcon as DiffIgnored,
   DiffModifiedIcon as DiffModified,
   DiffRemovedIcon as DiffRemoved,
   DiffRenamedIcon as DiffRenamed,
-  FileCodeIcon as FileCode,
   FileIcon as File,
+  FileCodeIcon as FileCode,
   FileMediaIcon as FileMedia,
-  FileSubmoduleIcon as Submodule,
   FileZipIcon as FileZip,
   GearIcon as Gear,
   GrabberIcon as Grabber,
@@ -22,10 +21,11 @@ import {
   PinIcon as Pin,
   ReplyIcon as Reply,
   SearchIcon as Search,
+  FileSubmoduleIcon as Submodule,
   TabIcon as Tab,
   XIcon as X,
 } from '@primer/octicons-react'
-import * as React from 'react'
+import React from 'react'
 import { cx } from 'utils/cx'
 
 const iconToComponentMap = {
diff --git a/src/components/Inputs/Checkbox.tsx b/src/components/Inputs/Checkbox.tsx
index 8e327d7..39777e2 100644
--- a/src/components/Inputs/Checkbox.tsx
+++ b/src/components/Inputs/Checkbox.tsx
@@ -1,5 +1,5 @@
-import { Checkbox as PrimerCheckbox, CheckboxProps, FormControl } from '@primer/react'
-import * as React from 'react'
+import { CheckboxProps, FormControl, Checkbox as PrimerCheckbox } from '@primer/react'
+import React from 'react'
 
 export function Checkbox({
   label,
diff --git a/src/components/Inputs/SelectInput.tsx b/src/components/Inputs/SelectInput.tsx
index e3dbe01..d177c75 100644
--- a/src/components/Inputs/SelectInput.tsx
+++ b/src/components/Inputs/SelectInput.tsx
@@ -1,5 +1,5 @@
 import { FormControl, Select, SelectProps } from '@primer/react'
-import * as React from 'react'
+import React from 'react'
 
 export type Option<T> = {
   key: string
diff --git a/src/components/LoadingIndicator.tsx b/src/components/LoadingIndicator.tsx
index 4295a83..8ceed5f 100644
--- a/src/components/LoadingIndicator.tsx
+++ b/src/components/LoadingIndicator.tsx
@@ -1,5 +1,5 @@
 import { HourglassIcon } from '@primer/octicons-react'
-import * as React from 'react'
+import React from 'react'
 
 type Props = {
   text: React.ReactNode
diff --git a/src/components/MetaBar.tsx b/src/components/MetaBar.tsx
index 51f33a7..9cdcdca 100644
--- a/src/components/MetaBar.tsx
+++ b/src/components/MetaBar.tsx
@@ -2,11 +2,11 @@ import { GitBranchIcon } from '@primer/octicons-react'
 import { Box, BranchName, Breadcrumbs, Text } from '@primer/react'
 import { RepoContext } from 'containers/RepoContext'
 import { platform } from 'platforms'
-import * as React from 'react'
+import React, { useContext } from 'react'
 import { createAnchorClickHandler } from 'utils/createAnchorClickHandler'
 
 export function MetaBar() {
-  const metaData = React.useContext(RepoContext)
+  const metaData = useContext(RepoContext)
   if (!metaData) return null
 
   const { userName, repoName, branchName } = metaData
diff --git a/src/components/Portal.tsx b/src/components/Portal.tsx
index 2497954..99e968d 100644
--- a/src/components/Portal.tsx
+++ b/src/components/Portal.tsx
@@ -1,4 +1,4 @@
-import * as React from 'react'
+import React from 'react'
 import * as ReactDOM from 'react-dom'
 
 type Props = {
diff --git a/src/components/ResizeHandler.tsx b/src/components/ResizeHandler.tsx
index 521338f..727dc74 100644
--- a/src/components/ResizeHandler.tsx
+++ b/src/components/ResizeHandler.tsx
@@ -1,6 +1,6 @@
 import { GrabberIcon } from '@primer/octicons-react'
 import { Icon } from 'components/Icon'
-import * as React from 'react'
+import React from 'react'
 import { ResizeHandlerOptions, useResizeHandler } from '../utils/hooks/useResizeHandler'
 import { Size2D } from './Size'
 
diff --git a/src/components/SearchBar.tsx b/src/components/SearchBar.tsx
index 0ca6202..3dea432 100644
--- a/src/components/SearchBar.tsx
+++ b/src/components/SearchBar.tsx
@@ -1,7 +1,7 @@
 import { AlertIcon, SearchIcon, XIcon } from '@primer/octicons-react'
 import { Popover, Text, TextInput, TextInputProps } from '@primer/react'
 import { useConfigs } from 'containers/ConfigsContext'
-import * as React from 'react'
+import React, { useCallback, useMemo, useRef } from 'react'
 import { formatWithShortcut, isValidRegexpSource } from 'utils/general'
 import { useFocusOnPendingTarget } from './FocusTarget'
 import { SearchMode } from './searchModes'
@@ -13,10 +13,10 @@ type Props = {
 } & Required<Pick<TextInputProps, 'onFocus'>>
 
 export function SearchBar({ onSearch, onFocus, value }: Props) {
-  const ref = React.useRef<HTMLInputElement | null>(null)
+  const ref = useRef<HTMLInputElement | null>(null)
   useFocusOnPendingTarget(
     'search',
-    React.useCallback(() => ref.current?.focus(), []),
+    useCallback(() => ref.current?.focus(), []),
   )
 
   const configs = useConfigs()
@@ -27,7 +27,7 @@ export function SearchBar({ onSearch, onFocus, value }: Props) {
       ? 'Match file name with regular expression.'
       : `Match file path sequence with plain input.`
 
-  const isInputValid = React.useMemo(
+  const isInputValid = useMemo(
     () =>
       ({
         regex: isValidRegexpSource(value),
@@ -35,7 +35,7 @@ export function SearchBar({ onSearch, onFocus, value }: Props) {
       }[searchMode]),
     [value, searchMode],
   )
-  const isSupportedRegex = React.useMemo(
+  const isSupportedRegex = useMemo(
     () => !(searchMode === 'regex' && !getIsSupportedRegex(value)),
     [value, searchMode],
   )
diff --git a/src/components/SideBar.tsx b/src/components/SideBar.tsx
index fa59de9..f711c00 100644
--- a/src/components/SideBar.tsx
+++ b/src/components/SideBar.tsx
@@ -7,7 +7,7 @@ import { Portal } from 'components/Portal'
 import { ToggleShowButton } from 'components/ToggleShowButton'
 import { useConfigs } from 'containers/ConfigsContext'
 import { platform, platformName } from 'platforms'
-import * as React from 'react'
+import React, { useCallback, useEffect, useMemo, useRef, useState } from 'react'
 import { IIFC } from 'react-iifc'
 import { useWindowSize } from 'react-use'
 import { Config } from 'utils/config/helper'
@@ -50,9 +50,9 @@ export function SideBar() {
 
   const configContext = useConfigs()
 
-  const blockLeaveRef = React.useRef(false)
+  const blockLeaveRef = useRef(false)
   const { sidebarToggleMode, shortcut, focusSearchInputShortcut } = configContext.value
-  const onResizeStateChange = React.useCallback((state: ResizeState) => {
+  const onResizeStateChange = useCallback((state: ResizeState) => {
     blockLeaveRef.current = state === 'resizing'
   }, [])
 
@@ -61,7 +61,7 @@ export function SideBar() {
     () => useWindowSize().height, // eslint-disable-line react-hooks/rules-of-hooks
   )
 
-  const sidebarContextValue = React.useMemo(() => ({ pendingFocusTarget }), [pendingFocusTarget])
+  const sidebarContextValue = useMemo(() => ({ pendingFocusTarget }), [pendingFocusTarget])
 
   const placement = configContext.value.sidebarPlacement
 
@@ -146,15 +146,12 @@ export function SideBar() {
               </div>
               <IIFC>
                 {() => {
-                  const [showSettings, setShowSettings] = React.useState(false)
-                  const toggleShowSettings = React.useCallback(
-                    () => setShowSettings(show => !show),
-                    [],
-                  )
+                  const [showSettings, setShowSettings] = useState(false)
+                  const toggleShowSettings = useCallback(() => setShowSettings(show => !show), [])
 
                   useOnShortcutPressed(
                     focusSearchInputShortcut,
-                    React.useCallback(() => setShowSettings(false), []),
+                    useCallback(() => setShowSettings(false), []),
                   )
 
                   return (
@@ -201,19 +198,19 @@ function ToggleShowButtonWrapper({
 }
 
 function useFocusSidebarOnExpand(shouldExpand: boolean) {
-  React.useEffect(() => {
+  useEffect(() => {
     // prevent keeping focus within Gitako
     if (!shouldExpand) document.body.focus()
   }, [shouldExpand])
 }
 
 function useMarkGitakoGlobalAttributes() {
-  React.useEffect(() => {
+  useEffect(() => {
     const detach = DOMHelper.attachStickyGitakoPlatform()
     DOMHelper.markGitakoPlatform()
     return () => detach()
   }, [])
-  React.useEffect(() => {
+  useEffect(() => {
     const detach = DOMHelper.attachStickyGitakoReadyState()
     DOMHelper.markGitakoReadyState(true)
     return () => {
@@ -224,8 +221,8 @@ function useMarkGitakoGlobalAttributes() {
 }
 
 function useLogoContainerElement() {
-  const [logoContainerElement, setLogoContainerElement] = React.useState<HTMLElement | null>(null)
-  React.useEffect(() => {
+  const [logoContainerElement, setLogoContainerElement] = useState<HTMLElement | null>(null)
+  useEffect(() => {
     setLogoContainerElement(DOMHelper.insertLogoMountPoint())
   }, [])
   return logoContainerElement
@@ -233,7 +230,7 @@ function useLogoContainerElement() {
 
 function useUpdateBodyIndentOnStateUpdate(shouldExpand: boolean) {
   const { sidebarToggleMode, sidebarPlacement } = useConfigs().value
-  React.useEffect(() => {
+  useEffect(() => {
     if (!(sidebarToggleMode === 'persistent' && shouldExpand)) return
 
     const detach = DOMHelper.attachStickyBodyIndent()
@@ -257,7 +254,7 @@ const getDerivedExpansion = ({
 
 function useGetDerivedExpansion() {
   const { intelligentToggle, sidebarToggleMode } = useConfigs().value
-  return React.useCallback(
+  return useCallback(
     () => getDerivedExpansion({ intelligentToggle, sidebarToggleMode }),
     [intelligentToggle, sidebarToggleMode],
   )
@@ -266,7 +263,7 @@ function useGetDerivedExpansion() {
 function useUpdateBodyIndentAfterRedirect(update: (shouldExpand: boolean) => void) {
   const { intelligentToggle, sidebarToggleMode, sidebarPlacement } = useConfigs().value
   useAfterRedirect(
-    React.useCallback(() => {
+    useCallback(() => {
       // check and update expand state if pinned and auto-expand checked
       if (sidebarToggleMode === 'persistent') {
         const shouldExpand = getDerivedExpansion({ intelligentToggle, sidebarToggleMode })
@@ -282,7 +279,7 @@ function useUpdateBodyIndentAfterRedirect(update: (shouldExpand: boolean) => voi
 function useSaveExpandStateOnToggle(shouldExpand: boolean) {
   const configContext = useConfigs()
   const { intelligentToggle } = configContext.value
-  React.useEffect(() => {
+  useEffect(() => {
     if (intelligentToggle !== null) configContext.onChange({ intelligentToggle: shouldExpand })
   }, [shouldExpand, intelligentToggle]) // eslint-disable-line react-hooks/exhaustive-deps
 }
@@ -297,7 +294,7 @@ function useCollapseOnNoPermissionWhenTokenHasBeenSet(
     intelligentToggle === null &&
     !!accessToken &&
     state === 'error-due-to-auth'
-  React.useEffect(() => {
+  useEffect(() => {
     if (hideSidebarOnInvalidToken) setShowSideBar(false)
   }, [hideSidebarOnInvalidToken, setShowSideBar])
 }
@@ -305,11 +302,8 @@ function useCollapseOnNoPermissionWhenTokenHasBeenSet(
 function useShouldExpand() {
   const getDerivedExpansion = useGetDerivedExpansion()
   const error = useLoadedContext(SideBarErrorContext).value
-  const [shouldExpand, setShouldExpand] = React.useState(getDerivedExpansion)
-  const toggleShowSideBar = React.useCallback(
-    () => setShouldExpand(show => !show),
-    [setShouldExpand],
-  )
+  const [shouldExpand, setShouldExpand] = useState(getDerivedExpansion)
+  const toggleShowSideBar = useCallback(() => setShouldExpand(show => !show), [setShouldExpand])
 
   const $shouldExpand = error ? false : shouldExpand
 
@@ -331,7 +325,7 @@ function useShowSidebarKeyboard(
 
   useOnShortcutPressed(
     config.shortcut,
-    React.useCallback(
+    useCallback(
       e => {
         DOMHelper.cancelEvent(e)
         toggleShowSideBar()
@@ -343,7 +337,7 @@ function useShowSidebarKeyboard(
 
   useOnShortcutPressed(
     config.focusSearchInputShortcut,
-    React.useCallback(
+    useCallback(
       e => {
         DOMHelper.cancelEvent(e)
         if (!shouldExpand) setShouldExpand(true)
diff --git a/src/components/SideBarResizeHandler.tsx b/src/components/SideBarResizeHandler.tsx
index a876be2..bbdf7d6 100644
--- a/src/components/SideBarResizeHandler.tsx
+++ b/src/components/SideBarResizeHandler.tsx
@@ -1,5 +1,5 @@
 import { useConfigs } from 'containers/ConfigsContext'
-import * as React from 'react'
+import React, { useCallback, useEffect, useLayoutEffect, useMemo, useState } from 'react'
 import { useDebounce, useLatest, useWindowSize } from 'react-use'
 import { getDefaultConfigs } from 'utils/config/helper'
 import * as DOMHelper from 'utils/DOMHelper'
@@ -18,24 +18,24 @@ function useSidebarWidth() {
   //                        width => --gitako-width       // layout effect
   //        resize event => width
   //        resize event =>          --gitako-width       // rAF
-  const [width, setWidth] = React.useState(configContext.value.sideBarWidth)
+  const [width, setWidth] = useState(configContext.value.sideBarWidth)
   const { width: windowWidth } = useWindowSize()
-  React.useEffect(() => {
+  useEffect(() => {
     const safeSize = getSafeWidth(width, windowWidth)
     if (safeSize !== width) setWidth(safeSize)
   }, [windowWidth, width])
   useDebounce(() => configContext.onChange({ sideBarWidth: width }), 100, [width])
 
-  React.useLayoutEffect(() => DOMHelper.setGitakoWidthCSSVariable(width), [width])
+  useLayoutEffect(() => DOMHelper.setGitakoWidthCSSVariable(width), [width])
 
   const widthRef = useLatest(width)
-  React.useEffect(() => {
+  useEffect(() => {
     const detach = DOMHelper.attachStickyGitakoWidthCSSVariable(() => widthRef.current)
     return () => detach()
   }, [widthRef])
 
   // Keep variable when directing from PR to repo home via meta bar
-  useAfterRedirect(React.useCallback(() => DOMHelper.setGitakoWidthCSSVariable(width), [width]))
+  useAfterRedirect(useCallback(() => DOMHelper.setGitakoWidthCSSVariable(width), [width]))
 
   return [width, setWidth] as const
 }
@@ -45,7 +45,7 @@ export function SideBarResizeHandler({
 }: Pick<ResizeHandlerOptions, 'onResizeStateChange'>) {
   const [width, setWidth] = useSidebarWidth()
   const { width: windowWidth } = useWindowSize()
-  const onResize = React.useMemo(() => {
+  const onResize = useMemo(() => {
     let widthToApply: Size
     let pending = false
     return ([width]: Size2D) => {
@@ -65,12 +65,9 @@ export function SideBarResizeHandler({
     }
   }, [windowWidth, setWidth])
 
-  const onResetSize = React.useCallback(
-    () => setWidth(getDefaultConfigs().sideBarWidth),
-    [setWidth],
-  )
+  const onResetSize = useCallback(() => setWidth(getDefaultConfigs().sideBarWidth), [setWidth])
 
-  const dummySize: Size2D = React.useMemo(() => [width, 0], [width])
+  const dummySize: Size2D = useMemo(() => [width, 0], [width])
 
   const placement = useConfigs().value.sidebarPlacement
 
diff --git a/src/components/ToggleShowButton.tsx b/src/components/ToggleShowButton.tsx
index 0b563ec..047eae3 100644
--- a/src/components/ToggleShowButton.tsx
+++ b/src/components/ToggleShowButton.tsx
@@ -3,7 +3,7 @@ import iconURL from 'assets/icons/Gitako.png'
 import { useConfigs } from 'containers/ConfigsContext'
 import { SideBarErrorContext } from 'containers/ErrorContext'
 import { ReloadContext } from 'containers/ReloadContext'
-import * as React from 'react'
+import React, { useContext, useEffect, useLayoutEffect, useRef, useState } from 'react'
 import { useDebounce, useWindowSize } from 'react-use'
 import { cx } from 'utils/cx'
 import { useLoadedContext } from 'utils/hooks/useLoadedContext'
@@ -23,14 +23,14 @@ function getSafeDistance(y: number, height: number) {
 }
 
 export function ToggleShowButton({ className, onClick, onHover }: Props) {
-  const reload = React.useContext(ReloadContext)
+  const reload = useContext(ReloadContext)
   const error = useLoadedContext(SideBarErrorContext).value
 
-  const ref = React.useRef<HTMLDivElement>(null)
+  const ref = useRef<HTMLDivElement>(null)
   const config = useConfigs()
-  const [distance, setDistance] = React.useState(config.value.toggleButtonVerticalDistance)
+  const [distance, setDistance] = useState(config.value.toggleButtonVerticalDistance)
   const { height } = useWindowSize()
-  React.useEffect(() => {
+  useEffect(() => {
     // make sure it is inside viewport
     const safeDistance = getSafeDistance(distance, height)
     if (safeDistance !== distance) setDistance(safeDistance)
@@ -44,7 +44,7 @@ export function ToggleShowButton({ className, onClick, onHover }: Props) {
   )
 
   // reposition on window height change, but ignores distance change
-  React.useLayoutEffect(() => {
+  useLayoutEffect(() => {
     if (ref.current) {
       ref.current.style.top = distance + 'px'
     }
diff --git a/src/components/searchModes/fuzzyMode.tsx b/src/components/searchModes/fuzzyMode.tsx
index 746afb3..be2d633 100644
--- a/src/components/searchModes/fuzzyMode.tsx
+++ b/src/components/searchModes/fuzzyMode.tsx
@@ -1,4 +1,4 @@
-import * as React from 'react'
+import React from 'react'
 import { cx } from 'utils/cx'
 import { hasUpperCase } from 'utils/general'
 import { ModeShape } from '.'
diff --git a/src/components/searchModes/regexMode.tsx b/src/components/searchModes/regexMode.tsx
index b5805a0..7324c41 100644
--- a/src/components/searchModes/regexMode.tsx
+++ b/src/components/searchModes/regexMode.tsx
@@ -1,4 +1,4 @@
-import * as React from 'react'
+import React from 'react'
 import { cx } from 'utils/cx'
 import { searchKeyToRegexp } from 'utils/general'
 import { ModeShape } from '.'
diff --git a/src/components/settings/AccessTokenSettings.tsx b/src/components/settings/AccessTokenSettings.tsx
index 50f55af..4d3e0a7 100644
--- a/src/components/settings/AccessTokenSettings.tsx
+++ b/src/components/settings/AccessTokenSettings.tsx
@@ -5,7 +5,7 @@ import { SideBarStateContext } from 'containers/SideBarState'
 import { platform } from 'platforms'
 import { Gitea } from 'platforms/Gitea'
 import { Gitee } from 'platforms/Gitee'
-import * as React from 'react'
+import React, { useCallback, useEffect, useState } from 'react'
 import { IIFC } from 'react-iifc'
 import { useLoadedContext } from 'utils/hooks/useLoadedContext'
 import { useStateIO } from 'utils/hooks/useStateIO'
@@ -17,19 +17,19 @@ export function AccessTokenSettings() {
   const configContext = useConfigs()
   const { accessToken } = configContext.value
   const hasAccessToken = Boolean(accessToken)
-  const [accessTokenInputValue, setAccessTokenInputValue] = React.useState('')
+  const [accessTokenInputValue, setAccessTokenInputValue] = useState('')
   const useAccessTokenHint = useStateIO<React.ReactNode>('')
   const focusInput = useStateIO(false)
   const sidebarState = useLoadedContext(SideBarStateContext).value
 
   const { value: accessTokenHint } = useAccessTokenHint
 
-  React.useEffect(() => {
+  useEffect(() => {
     // clear input when access token updates
     setAccessTokenInputValue('')
   }, [accessToken])
 
-  const saveToken = React.useCallback(
+  const saveToken = useCallback(
     async (
       hint: typeof useAccessTokenHint.value = (
         <span>
@@ -73,16 +73,16 @@ export function AccessTokenSettings() {
       ) : hasAccessToken ? (
         <IIFC>
           {() => {
-            const [showConfirmButton, setShowConfirmButton] = React.useState(false)
+            const [showConfirmButton, setShowConfirmButton] = useState(false)
             return (
               <Box>
                 {showConfirmButton ? (
                   <IIFC>
                     {() => {
-                      const [allowClear, setAllowClear] = React.useState(false)
+                      const [allowClear, setAllowClear] = useState(false)
                       const waitForSeconds = 3
                       const timePast = useTimePast(1000, waitForSeconds * 1000)
-                      React.useEffect(() => {
+                      useEffect(() => {
                         const timeout = setTimeout(() => setAllowClear(true), waitForSeconds * 1000)
                         return () => clearTimeout(timeout)
                       }, [])
@@ -168,8 +168,8 @@ export function AccessTokenSettings() {
 }
 
 function useTimePast(unit = 1000, max?: number) {
-  const [timePast, setTimePast] = React.useState(0)
-  React.useEffect(() => {
+  const [timePast, setTimePast] = useState(0)
+  useEffect(() => {
     const checkInterval = (unit / 10) >> 0 // 10x check times for better accuracy
     const start = Date.now()
     let memoLastValue = 0
diff --git a/src/components/settings/FileTreeSettings.tsx b/src/components/settings/FileTreeSettings.tsx
index bf5de99..8d92646 100644
--- a/src/components/settings/FileTreeSettings.tsx
+++ b/src/components/settings/FileTreeSettings.tsx
@@ -1,6 +1,6 @@
 import { wikiLinks } from 'components/settings/SettingsBar'
 import { SimpleConfigFieldCheckbox } from 'components/settings/SimpleConfigField/Checkbox'
-import * as React from 'react'
+import React from 'react'
 import { Config } from 'utils/config/helper'
 import { Option } from '../Inputs/SelectInput'
 import { SettingsSection } from './SettingsSection'
diff --git a/src/components/settings/KeyboardShortcutSetting.tsx b/src/components/settings/KeyboardShortcutSetting.tsx
index 28dfffc..1100afa 100644
--- a/src/components/settings/KeyboardShortcutSetting.tsx
+++ b/src/components/settings/KeyboardShortcutSetting.tsx
@@ -1,5 +1,5 @@
 import { Box, Button, FormControl, TextInput } from '@primer/react'
-import * as React from 'react'
+import React, { useMemo } from 'react'
 import { useUpdateEffect } from 'react-use'
 import { cancelEvent } from 'utils/DOMHelper'
 import { friendlyFormatShortcut, noop } from 'utils/general'
@@ -15,7 +15,7 @@ export function KeyboardShortcutSetting({ label, value, onChange }: Props) {
   const $shortcut = useStateIO(value)
   useUpdateEffect(() => $shortcut.onChange(value), [value])
 
-  const id = React.useMemo(() => Math.random() + '', [])
+  const id = useMemo(() => Math.random() + '', [])
 
   return (
     <FormControl>
diff --git a/src/components/settings/SettingsBar.tsx b/src/components/settings/SettingsBar.tsx
index 3ca10e9..8152196 100644
--- a/src/components/settings/SettingsBar.tsx
+++ b/src/components/settings/SettingsBar.tsx
@@ -5,7 +5,7 @@ import { RoundIconButton } from 'components/RoundIconButton'
 import { useConfigs } from 'containers/ConfigsContext'
 import { platform } from 'platforms'
 import { GitHub } from 'platforms/GitHub'
-import * as React from 'react'
+import React from 'react'
 import { useUpdateEffect } from 'react-use'
 import { useStateIO } from 'utils/hooks/useStateIO'
 import { AccessTokenSettings } from './AccessTokenSettings'
diff --git a/src/components/settings/SettingsSection.tsx b/src/components/settings/SettingsSection.tsx
index e17bcc0..3da2c84 100644
--- a/src/components/settings/SettingsSection.tsx
+++ b/src/components/settings/SettingsSection.tsx
@@ -1,5 +1,5 @@
 import { Box } from '@primer/react'
-import * as React from 'react'
+import React from 'react'
 
 type Props = {
   title?: React.ReactNode
diff --git a/src/components/settings/SidebarSettings.tsx b/src/components/settings/SidebarSettings.tsx
index 6c40924..1612b96 100644
--- a/src/components/settings/SidebarSettings.tsx
+++ b/src/components/settings/SidebarSettings.tsx
@@ -1,6 +1,6 @@
 import { SimpleConfigFieldCheckbox } from 'components/settings/SimpleConfigField/Checkbox'
 import { useConfigs } from 'containers/ConfigsContext'
-import * as React from 'react'
+import React from 'react'
 import { subIO } from 'utils/general'
 import { KeyboardShortcutSetting } from './KeyboardShortcutSetting'
 import { SettingsSection } from './SettingsSection'
diff --git a/src/components/settings/SimpleConfigField/Checkbox.tsx b/src/components/settings/SimpleConfigField/Checkbox.tsx
index dc5cfb2..abe10c4 100644
--- a/src/components/settings/SimpleConfigField/Checkbox.tsx
+++ b/src/components/settings/SimpleConfigField/Checkbox.tsx
@@ -1,4 +1,4 @@
-import * as React from 'react'
+import React from 'react'
 import { ConfigKeys } from 'utils/config/helper'
 import { SimpleConfigFieldProps, useSimpleConfigFieldIO } from '.'
 import { Checkbox } from '../../Inputs/Checkbox'
diff --git a/src/components/settings/SimpleConfigField/FieldLabel.tsx b/src/components/settings/SimpleConfigField/FieldLabel.tsx
index 7953830..7ecf5c3 100644
--- a/src/components/settings/SimpleConfigField/FieldLabel.tsx
+++ b/src/components/settings/SimpleConfigField/FieldLabel.tsx
@@ -1,6 +1,6 @@
 import { InfoIcon, LinkExternalIcon } from '@primer/octicons-react'
 import { Box } from '@primer/react'
-import * as React from 'react'
+import React from 'react'
 import { ConfigKeys } from 'utils/config/helper'
 import { SimpleConfigField } from '.'
 
diff --git a/src/components/settings/SimpleConfigField/SelectInput.tsx b/src/components/settings/SimpleConfigField/SelectInput.tsx
index 1d9563f..843020f 100644
--- a/src/components/settings/SimpleConfigField/SelectInput.tsx
+++ b/src/components/settings/SimpleConfigField/SelectInput.tsx
@@ -1,5 +1,5 @@
 import { SelectInput, SelectInputProps } from 'components/Inputs/SelectInput'
-import * as React from 'react'
+import React from 'react'
 import { Config, ConfigKeys } from 'utils/config/helper'
 import { SimpleConfigFieldProps, useSimpleConfigFieldIO } from '.'
 import { FieldLabel } from './FieldLabel'
diff --git a/src/components/settings/SimpleConfigField/index.tsx b/src/components/settings/SimpleConfigField/index.tsx
index bf607b8..42d6b66 100644
--- a/src/components/settings/SimpleConfigField/index.tsx
+++ b/src/components/settings/SimpleConfigField/index.tsx
@@ -1,5 +1,5 @@
 import { useConfigs } from 'containers/ConfigsContext'
-import React from 'react'
+import { useCallback, useMemo } from 'react'
 import { Config, ConfigKeys } from 'utils/config/helper'
 
 export type SimpleConfigField<Key extends ConfigKeys> = {
@@ -26,8 +26,8 @@ export function useSimpleConfigFieldIO<Key extends ConfigKeys>(
   const value = configContext.value[field.key]
 
   return {
-    value: React.useMemo(() => (overwrite ? overwrite.value(value) : value), [overwrite, value]),
-    onChange: React.useCallback(
+    value: useMemo(() => (overwrite ? overwrite.value(value) : value), [overwrite, value]),
+    onChange: useCallback(
       (newValue: Config[Key]) => {
         configContext.onChange({ [field.key]: overwrite ? overwrite.onChange(newValue) : newValue })
       },
diff --git a/src/containers/ConfigsContext.tsx b/src/containers/ConfigsContext.tsx
index 8d3a48b..82bce25 100644
--- a/src/containers/ConfigsContext.tsx
+++ b/src/containers/ConfigsContext.tsx
@@ -1,5 +1,5 @@
 import { PropsWithChildren } from 'common'
-import * as React from 'react'
+import React, { useCallback, useContext, useEffect, useState } from 'react'
 import { Config, configHelper } from 'utils/config/helper'
 
 type ContextShape = IO<Config, Partial<Config>>
@@ -8,11 +8,11 @@ export type ConfigsContextShape = ContextShape
 export const ConfigsContext = React.createContext<ContextShape | null>(null)
 
 export function ConfigsContextWrapper(props: PropsWithChildren) {
-  const [configs, setConfigs] = React.useState<Config | null>(null)
-  React.useEffect(() => {
+  const [configs, setConfigs] = useState<Config | null>(null)
+  useEffect(() => {
     configHelper.get().then(setConfigs)
   }, [])
-  const onChange = React.useCallback(
+  const onChange = useCallback(
     (updatedConfigs: Partial<Config>) => {
       const mergedConfigs = { ...configs, ...updatedConfigs } as Config
       configHelper.set(mergedConfigs)
@@ -32,7 +32,7 @@ export const useConfigs = createUseNonNullContext(ConfigsContext)
 
 function createUseNonNullContext<T>(theContext: React.Context<T | null>): () => T {
   return () => {
-    const context = React.useContext(theContext)
+    const context = useContext(theContext)
     if (context === null) throw new Error(`Empty context`)
     return context
   }
diff --git a/src/containers/ErrorBoundary.tsx b/src/containers/ErrorBoundary.tsx
index 8e3c202..6064528 100644
--- a/src/containers/ErrorBoundary.tsx
+++ b/src/containers/ErrorBoundary.tsx
@@ -1,6 +1,6 @@
 import { raiseError } from 'analytics'
 import { PropsWithChildren } from 'common'
-import * as React from 'react'
+import React from 'react'
 
 export class ErrorBoundary extends React.PureComponent<PropsWithChildren> {
   componentDidCatch(error: Error, errorInfo: React.ErrorInfo) {
diff --git a/src/containers/ErrorContext.tsx b/src/containers/ErrorContext.tsx
index f63d28e..e57ec69 100644
--- a/src/containers/ErrorContext.tsx
+++ b/src/containers/ErrorContext.tsx
@@ -1,6 +1,6 @@
 import { PropsWithChildren } from 'common'
 import { useInspector } from 'containers/Inspector'
-import * as React from 'react'
+import React from 'react'
 import { useStateIO } from 'utils/hooks/useStateIO'
 
 export type SideBarErrorContextShape = IO<string | null>
diff --git a/src/containers/Inspector.tsx b/src/containers/Inspector.tsx
index d9fc143..65e087d 100644
--- a/src/containers/Inspector.tsx
+++ b/src/containers/Inspector.tsx
@@ -1,10 +1,10 @@
 import { PropsWithChildren, ReactIO } from 'common'
 import { IN_PRODUCTION_MODE } from 'env'
-import * as React from 'react'
+import React, { useContext, useEffect } from 'react'
+import { Config } from 'utils/config/helper'
 import { noop } from 'utils/general'
 import { useStateIO } from 'utils/hooks/useStateIO'
 import { useConfigs } from './ConfigsContext'
-import { Config } from 'utils/config/helper'
 
 export type InspectorContextShape = ReactIO<JSONObject>
 
@@ -66,8 +66,8 @@ export const InspectorContextWrapper = IN_PRODUCTION_MODE
 export const useInspector = IN_PRODUCTION_MODE
   ? noop
   : function useInspector(key: string, value: JSONValue) {
-      const $ = React.useContext(InspectorContext)
-      React.useEffect(() => {
+      const $ = useContext(InspectorContext)
+      useEffect(() => {
         $?.onChange(prev => ({ ...prev, [key]: value }))
       }, [key, value]) // eslint-disable-line react-hooks/exhaustive-deps
     }
diff --git a/src/containers/OAuthWrapper.tsx b/src/containers/OAuthWrapper.tsx
index ff06836..626c9f7 100644
--- a/src/containers/OAuthWrapper.tsx
+++ b/src/containers/OAuthWrapper.tsx
@@ -1,7 +1,7 @@
 import { PropsWithChildren } from 'common'
 import { useConfigs } from 'containers/ConfigsContext'
 import { platform } from 'platforms'
-import * as React from 'react'
+import React, { useEffect, useRef } from 'react'
 import { parseURLSearch, run } from 'utils/general'
 import { useLoadedContext } from 'utils/hooks/useLoadedContext'
 import { useStateIO } from 'utils/hooks/useStateIO'
@@ -15,8 +15,8 @@ export function OAuthWrapper({ children }: PropsWithChildren) {
   const running = useGetAccessToken()
   const $state = useLoadedContext(SideBarStateContext)
 
-  const needGetAccessTokenRef = React.useRef(running)
-  React.useEffect(() => {
+  const needGetAccessTokenRef = useRef(running)
+  useEffect(() => {
     if (needGetAccessTokenRef.current) {
       $state.onChange(running ? 'getting-access-token' : 'after-getting-access-token')
     }
@@ -31,7 +31,7 @@ function useGetAccessToken() {
   const $block = useStateIO(() => Boolean(getCodeSearchParam()))
   const configContext = useConfigs()
   const { accessToken } = configContext.value
-  React.useEffect(() => {
+  useEffect(() => {
     run(async function () {
       const code = getCodeSearchParam()
       if (code && !accessToken) {
diff --git a/src/containers/PortalContext.tsx b/src/containers/PortalContext.tsx
index f259aa8..d2498d4 100644
--- a/src/containers/PortalContext.tsx
+++ b/src/containers/PortalContext.tsx
@@ -1,4 +1,4 @@
-import * as React from 'react'
+import React from 'react'
 
 export type PortalContextShape = string | null
 
diff --git a/src/containers/ReloadContext.tsx b/src/containers/ReloadContext.tsx
index b536ebe..e1e1455 100644
--- a/src/containers/ReloadContext.tsx
+++ b/src/containers/ReloadContext.tsx
@@ -1,5 +1,5 @@
 import { PropsWithChildren } from 'common'
-import * as React from 'react'
+import React, { useCallback, useState } from 'react'
 import { noop } from 'utils/general'
 
 export type ReloadContextShape = () => void
@@ -7,8 +7,8 @@ export type ReloadContextShape = () => void
 export const ReloadContext = React.createContext<ReloadContextShape>(noop)
 
 export function ReloadContextWrapper({ children }: PropsWithChildren) {
-  const [key, setKey] = React.useState(0)
-  const reload = React.useCallback(() => setKey(key => key + 1), [])
+  const [key, setKey] = useState(0)
+  const reload = useCallback(() => setKey(key => key + 1), [])
 
   return (
     <ReloadContext.Provider key={key} value={reload}>
diff --git a/src/containers/RepoContext.tsx b/src/containers/RepoContext.tsx
index a133c9a..acb0962 100644
--- a/src/containers/RepoContext.tsx
+++ b/src/containers/RepoContext.tsx
@@ -1,15 +1,15 @@
 import { PropsWithChildren } from 'common'
 import { useConfigs } from 'containers/ConfigsContext'
 import { platform } from 'platforms'
-import * as React from 'react'
+import React, { useCallback, useEffect, useMemo, useState } from 'react'
 import { useAbortableEffect } from 'utils/hooks/useAbortableEffect'
 import { useEffectOnSerializableUpdates } from 'utils/hooks/useEffectOnSerializableUpdates'
 import { useAfterRedirect } from 'utils/hooks/useFastRedirect'
 import { useHandleNetworkError } from 'utils/hooks/useHandleNetworkError'
 import { useLoadedContext } from 'utils/hooks/useLoadedContext'
 import { useStateIO } from 'utils/hooks/useStateIO'
-import { SideBarStateContext } from './SideBarState'
 import { useInspector } from './Inspector'
+import { SideBarStateContext } from './SideBarState'
 
 export const RepoContext = React.createContext<MetaData | null>(null)
 
@@ -18,7 +18,7 @@ export function RepoContextWrapper({ children }: PropsWithChildren) {
   const metaData = useMetaData(partialMetaData)
   useInspector(
     'RepoContext',
-    React.useMemo(
+    useMemo(
       () => ({
         partialMetaData,
         metaData,
@@ -54,11 +54,11 @@ function usePartialMetaData(): PartialMetaData | null {
   // sync along URL and DOM
   const $partialMetaData = useStateIO(isGettingAccessToken ? null : resolvePartialMetaData)
   const $committedPartialMetaData = useStateIO($partialMetaData.value)
-  const setPartialMetaData = React.useCallback(
+  const setPartialMetaData = useCallback(
     () => $partialMetaData.onChange(resolvePartialMetaData()),
     [], // eslint-disable-line react-hooks/exhaustive-deps
   )
-  React.useEffect(() => {
+  useEffect(() => {
     if (!isGettingAccessToken) setPartialMetaData()
   }, [isGettingAccessToken, setPartialMetaData])
   useAfterRedirect(setPartialMetaData)
@@ -67,7 +67,7 @@ function usePartialMetaData(): PartialMetaData | null {
     JSON.stringify,
     $committedPartialMetaData.onChange,
   )
-  React.useEffect(() => {
+  useEffect(() => {
     if (!$partialMetaData.value && !isGettingAccessToken) {
       $state.onChange('disabled')
     }
@@ -76,12 +76,12 @@ function usePartialMetaData(): PartialMetaData | null {
 }
 
 function useMetaData(partialMetaData: PartialMetaData | null) {
-  const [metaData, changeMetaData] = React.useState<MetaData | null>(null)
+  const [metaData, changeMetaData] = useState<MetaData | null>(null)
   const changeLoadedState = useLoadedContext(SideBarStateContext).onChange
   const handleNetworkError = useHandleNetworkError()
 
   const { accessToken } = useConfigs().value
-  const loadRepoMetaData = React.useCallback(
+  const loadRepoMetaData = useCallback(
     async function* loadRepoMetaData() {
       if (!partialMetaData) return
 
@@ -115,7 +115,7 @@ function useMetaData(partialMetaData: PartialMetaData | null) {
   )
 
   useAbortableEffect(
-    React.useCallback(
+    useCallback(
       () => ({
         getAsyncGenerator: loadRepoMetaData,
         cancel: () => {
diff --git a/src/containers/SideBarState.tsx b/src/containers/SideBarState.tsx
index be921c9..2938710 100644
--- a/src/containers/SideBarState.tsx
+++ b/src/containers/SideBarState.tsx
@@ -1,5 +1,5 @@
 import { PropsWithChildren } from 'common'
-import * as React from 'react'
+import React, { useMemo } from 'react'
 import { useLoadedContext } from 'utils/hooks/useLoadedContext'
 import { useStateIO } from 'utils/hooks/useStateIO'
 import { SideBarErrorContext } from './ErrorContext'
@@ -26,7 +26,7 @@ export function StateBarStateContextWrapper({ children }: PropsWithChildren) {
   const $state = useStateIO<SideBarState>('disabled')
   useInspector('SideBarStateContext', $state.value)
   const error = useLoadedContext(SideBarErrorContext).value
-  const $$state: IO<SideBarState> = React.useMemo(
+  const $$state: IO<SideBarState> = useMemo(
     () =>
       error && $state.value !== 'error'
         ? {
diff --git a/src/containers/Theme.tsx b/src/containers/Theme.tsx
index b68df0e..2238544 100644
--- a/src/containers/Theme.tsx
+++ b/src/containers/Theme.tsx
@@ -2,7 +2,7 @@ import primitives from '@primer/primitives'
 import { BaseStyles, ThemeProvider } from '@primer/react'
 import theme from '@primer/react/lib-esm/theme'
 import { PropsWithChildren } from 'common'
-import * as React from 'react'
+import React, { useEffect, useState } from 'react'
 
 // Temporary color fix for out-of-date embedded @primer/primitives in @primer/react
 // The `*_tritanopia` themes are actually not bundled within @primer/react@35.2.2
@@ -17,7 +17,7 @@ const fixedTheme = {
 }
 
 const validColorSchemes = Object.keys(fixedTheme.colorSchemes) as EnumString<
-  keyof typeof primitives['colors']
+  keyof (typeof primitives)['colors']
 >[]
 
 const colorModeMap: Record<string, 'night' | 'day'> = {
@@ -39,8 +39,8 @@ const getPreferenceFromDOM = () => {
 }
 
 function useThemePreference() {
-  const [prefer, setPrefer] = React.useState(getPreferenceFromDOM)
-  React.useEffect(() => {
+  const [prefer, setPrefer] = useState(getPreferenceFromDOM)
+  useEffect(() => {
     const match = window.matchMedia('(prefers-color-scheme: dark)')
     const update = () => setPrefer(getPreferenceFromDOM)
     match.addEventListener('change', update)
diff --git a/src/content.tsx b/src/content.tsx
index 90fbd37..f65dfa7 100644
--- a/src/content.tsx
+++ b/src/content.tsx
@@ -1,5 +1,5 @@
 import { Gitako } from 'components/Gitako'
-import * as React from 'react'
+import React, { useCallback } from 'react'
 import { createRoot } from 'react-dom/client'
 import { insertMountPoint, insertSideBarMountPoint } from 'utils/DOMHelper'
 import { useAfterRedirect } from 'utils/hooks/useFastRedirect'
@@ -15,7 +15,7 @@ async function init() {
   await injectStyles(browser.runtime.getURL('content.css'))
   const mountPoint = insertSideBarMountPoint()
   const MountPointWatcher = () => {
-    useAfterRedirect(React.useCallback(() => insertMountPoint(() => mountPoint), []))
+    useAfterRedirect(useCallback(() => insertMountPoint(() => mountPoint), []))
     return null
   }
 
diff --git a/src/platforms/GitHub/CopyFileButton.tsx b/src/platforms/GitHub/CopyFileButton.tsx
index 7a3bec2..6055259 100644
--- a/src/platforms/GitHub/CopyFileButton.tsx
+++ b/src/platforms/GitHub/CopyFileButton.tsx
@@ -1,4 +1,4 @@
-import * as React from 'react'
+import React, { useEffect, useRef, useState } from 'react'
 import { cx } from 'utils/cx'
 import { copyElementContent } from 'utils/DOMHelper'
 import { getCodeElement } from './DOMHelper'
@@ -13,8 +13,8 @@ const contents = {
 }
 
 export function CopyFileButton() {
-  const [content, setContent] = React.useState(contents.normal)
-  React.useEffect(() => {
+  const [content, setContent] = useState(contents.normal)
+  useEffect(() => {
     if (content !== contents.normal) {
       const timer = setTimeout(() => {
         setContent(contents.normal)
@@ -23,8 +23,8 @@ export function CopyFileButton() {
     }
   }, [content])
 
-  const elementRef = React.useRef<HTMLAnchorElement | null>(null)
-  React.useEffect(() => {
+  const elementRef = useRef<HTMLAnchorElement | null>(null)
+  useEffect(() => {
     // Temporary fix:
     // React moved root node of event delegation since v17
     // onClick on <a /> won't work when rendered with `renderReact`
diff --git a/src/platforms/GitHub/DOMHelper.ts b/src/platforms/GitHub/DOMHelper.ts
index bb6dc80..d3db701 100644
--- a/src/platforms/GitHub/DOMHelper.ts
+++ b/src/platforms/GitHub/DOMHelper.ts
@@ -1,6 +1,6 @@
 import { raiseError } from 'analytics'
 import { Clippy, ClippyClassName } from 'components/Clippy'
-import * as React from 'react'
+import React from 'react'
 import * as s from 'superstruct'
 import { $ } from 'utils/$'
 import { formatClass, parseIntFromElement } from 'utils/DOMHelper'
diff --git a/src/platforms/GitHub/hooks/useGitHubAttachCopySnippetButton.ts b/src/platforms/GitHub/hooks/useGitHubAttachCopySnippetButton.ts
index 55e0c6c..763c871 100644
--- a/src/platforms/GitHub/hooks/useGitHubAttachCopySnippetButton.ts
+++ b/src/platforms/GitHub/hooks/useGitHubAttachCopySnippetButton.ts
@@ -1,16 +1,16 @@
 import { platform } from 'platforms'
-import * as React from 'react'
+import { useCallback, useEffect } from 'react'
 import { useAfterRedirect } from 'utils/hooks/useFastRedirect'
 import * as DOMHelper from '../DOMHelper'
 import { GitHub } from '../index'
 
 export function useGitHubAttachCopySnippetButton(copySnippetButton: boolean) {
-  const attachCopySnippetButton = React.useCallback(
+  const attachCopySnippetButton = useCallback(
     function attachCopySnippetButton() {
       if (platform === GitHub && copySnippetButton) DOMHelper.attachCopySnippet()
     },
     [copySnippetButton],
   )
-  React.useEffect(attachCopySnippetButton, [attachCopySnippetButton])
+  useEffect(attachCopySnippetButton, [attachCopySnippetButton])
   useAfterRedirect(attachCopySnippetButton)
 }
diff --git a/src/platforms/Gitee/DOMHelper.ts b/src/platforms/Gitee/DOMHelper.ts
index ca771e9..a3e0c69 100644
--- a/src/platforms/Gitee/DOMHelper.ts
+++ b/src/platforms/Gitee/DOMHelper.ts
@@ -1,6 +1,6 @@
 import { raiseError } from 'analytics'
 import { Clippy, ClippyClassName } from 'components/Clippy'
-import * as React from 'react'
+import React from 'react'
 import { $ } from 'utils/$'
 import { formatClass } from 'utils/DOMHelper'
 import { renderReact } from 'utils/general'
diff --git a/src/platforms/Gitee/index.ts b/src/platforms/Gitee/index.ts
index b65d2ba..ec5d704 100644
--- a/src/platforms/Gitee/index.ts
+++ b/src/platforms/Gitee/index.ts
@@ -1,7 +1,7 @@
 import { GITEE_OAUTH } from 'env'
 import { Base64 } from 'js-base64'
 import { errors, platform } from 'platforms'
-import * as React from 'react'
+import { useCallback, useEffect } from 'react'
 import { resolveGitModules } from 'utils/gitSubmodule'
 import { useAfterRedirect } from 'utils/hooks/useFastRedirect'
 import { useProgressBar } from 'utils/hooks/useProgressBar'
@@ -187,12 +187,12 @@ export const Gitee: Platform = {
 }
 
 export function useGiteeAttachCopySnippetButton(copySnippetButton: boolean) {
-  const attachCopySnippetButton = React.useCallback(
+  const attachCopySnippetButton = useCallback(
     function attachCopySnippetButton() {
       if (platform === Gitee && copySnippetButton) DOMHelper.attachCopySnippet()
     },
     [copySnippetButton],
   )
-  React.useEffect(attachCopySnippetButton, [attachCopySnippetButton])
+  useEffect(attachCopySnippetButton, [attachCopySnippetButton])
   useAfterRedirect(attachCopySnippetButton)
 }
diff --git a/src/utils/hooks/useConditionalHook.ts b/src/utils/hooks/useConditionalHook.ts
index 778d847..59ab6cf 100644
--- a/src/utils/hooks/useConditionalHook.ts
+++ b/src/utils/hooks/useConditionalHook.ts
@@ -1,6 +1,6 @@
-import * as React from 'react'
+import { useState } from 'react'
 
 export function useConditionalHook<T>(condition: () => boolean, hook: () => T) {
-  const [use] = React.useState(condition)
+  const [use] = useState(condition)
   if (use) return hook()
 }
diff --git a/src/utils/hooks/useEffectOnSerializableUpdates.ts b/src/utils/hooks/useEffectOnSerializableUpdates.ts
index 0ba2070..715e5a3 100644
--- a/src/utils/hooks/useEffectOnSerializableUpdates.ts
+++ b/src/utils/hooks/useEffectOnSerializableUpdates.ts
@@ -1,10 +1,10 @@
-import * as React from 'react'
+import { useEffect, useMemo } from 'react'
 
 export function useEffectOnSerializableUpdates<T>(
   value: T,
   serialize: (value: T) => string,
   onChange: (value: T) => void,
 ) {
-  const serialized = React.useMemo(() => serialize(value), [value, serialize])
-  React.useEffect(() => onChange(value), [onChange, serialized]) // eslint-disable-line react-hooks/exhaustive-deps
+  const serialized = useMemo(() => serialize(value), [value, serialize])
+  useEffect(() => onChange(value), [onChange, serialized]) // eslint-disable-line react-hooks/exhaustive-deps
 }
diff --git a/src/utils/hooks/useElementSize.ts b/src/utils/hooks/useElementSize.ts
index 168147c..47d634b 100644
--- a/src/utils/hooks/useElementSize.ts
+++ b/src/utils/hooks/useElementSize.ts
@@ -1,13 +1,13 @@
-import * as React from 'react'
+import { useEffect, useRef, useState } from 'react'
 import * as features from 'utils/features'
 import { Size2D } from '../../components/Size'
 
 export function useElementSize<E extends HTMLElement>() {
-  const ref = React.useRef<E | null>(null)
+  const ref = useRef<E | null>(null)
 
-  const [size, setSize] = React.useState<Size2D>([0, 0])
+  const [size, setSize] = useState<Size2D>([0, 0])
 
-  React.useEffect(() => {
+  useEffect(() => {
     if (ref.current) {
       if (features.resize) {
         const observer = new window.ResizeObserver(entries => {
diff --git a/src/utils/hooks/useFastRedirect.ts b/src/utils/hooks/useFastRedirect.ts
index 988a0fc..ac6fdce 100644
--- a/src/utils/hooks/useFastRedirect.ts
+++ b/src/utils/hooks/useFastRedirect.ts
@@ -1,6 +1,6 @@
 import { useConfigs } from 'containers/ConfigsContext'
 import { platform } from 'platforms'
-import * as React from 'react'
+import { useCallback, useEffect, useRef } from 'react'
 import { useEvent, useInterval } from 'react-use'
 import { run } from 'utils/general'
 
@@ -27,7 +27,7 @@ const config: import('pjax-api').Config = {
 export function usePJAXAPI() {
   const { pjaxMode } = useConfigs().value
   // make history travel work
-  React.useEffect(() => {
+  useEffect(() => {
     if (pjaxMode === 'pjax-api') {
       run(async () => {
         const { Pjax } = await import('pjax-api')
@@ -52,8 +52,8 @@ export const loadWithFastRedirect = (url: string, element: HTMLElement) => {
 }
 
 export function useAfterRedirect(callback: () => void) {
-  const latestHref = React.useRef(location.href)
-  const raceCallback = React.useCallback(() => {
+  const latestHref = useRef(location.href)
+  const raceCallback = useCallback(() => {
     const { href } = location
     if (latestHref.current !== href) {
       latestHref.current = href
diff --git a/src/utils/hooks/useLoadedContext.ts b/src/utils/hooks/useLoadedContext.ts
index 7eea096..7c0bec8 100644
--- a/src/utils/hooks/useLoadedContext.ts
+++ b/src/utils/hooks/useLoadedContext.ts
@@ -1,7 +1,7 @@
-import * as React from 'react'
+import React, { useContext } from 'react'
 
 export function useLoadedContext<T>(context: React.Context<T | null>): T {
-  const ctx = React.useContext(context)
+  const ctx = useContext(context)
   if (ctx === null) throw new Error(`Context not loaded`)
   return ctx
 }
diff --git a/src/utils/hooks/useOnLocationChange.ts b/src/utils/hooks/useOnLocationChange.ts
index 8de3fcd..732ac6c 100644
--- a/src/utils/hooks/useOnLocationChange.ts
+++ b/src/utils/hooks/useOnLocationChange.ts
@@ -1,4 +1,4 @@
-import * as React from 'react'
+import React, { useEffect } from 'react'
 import { useLocation } from 'react-use'
 
 export function useOnLocationChange(
@@ -6,5 +6,5 @@ export function useOnLocationChange(
   extraDeps: React.DependencyList = [],
 ) {
   const { href, pathname, search } = useLocation()
-  React.useEffect(callback, [href, pathname, search, callback, ...extraDeps])
+  useEffect(callback, [href, pathname, search, callback, ...extraDeps])
 }
diff --git a/src/utils/hooks/useOnShortcutPressed.tsx b/src/utils/hooks/useOnShortcutPressed.tsx
index 0708033..0028ea4 100644
--- a/src/utils/hooks/useOnShortcutPressed.tsx
+++ b/src/utils/hooks/useOnShortcutPressed.tsx
@@ -1,4 +1,4 @@
-import * as React from 'react'
+import { useEffect } from 'react'
 import { useLoadedContext } from 'utils/hooks/useLoadedContext'
 import * as keyHelper from 'utils/keyHelper'
 import { SideBarStateContext } from '../../containers/SideBarState'
@@ -9,7 +9,7 @@ export function useOnShortcutPressed(
 ) {
   const state = useLoadedContext(SideBarStateContext).value
   const isDisabled = state === 'disabled' || !shortcut
-  React.useEffect(
+  useEffect(
     function attachKeyDown() {
       if (isDisabled) return
 
diff --git a/src/utils/hooks/useProgressBar.ts b/src/utils/hooks/useProgressBar.ts
index 91d6a6e..046306c 100644
--- a/src/utils/hooks/useProgressBar.ts
+++ b/src/utils/hooks/useProgressBar.ts
@@ -1,5 +1,5 @@
 import * as NProgress from 'nprogress'
-import * as React from 'react'
+import { useEffect } from 'react'
 import { useEvent } from 'react-use'
 
 const progressBar = {
@@ -12,7 +12,7 @@ const progressBar = {
 }
 
 export function useProgressBar() {
-  React.useEffect(() => {
+  useEffect(() => {
     NProgress.configure({ showSpinner: false })
   }, [])
   useEvent('pjax:fetch', progressBar.mount, window)
diff --git a/src/utils/hooks/useResizeHandler.ts b/src/utils/hooks/useResizeHandler.ts
index cec3142..1babcac 100644
--- a/src/utils/hooks/useResizeHandler.ts
+++ b/src/utils/hooks/useResizeHandler.ts
@@ -1,4 +1,4 @@
-import * as React from 'react'
+import React, { useCallback, useEffect, useRef } from 'react'
 import { Size2D } from '../../components/Size'
 
 export type ResizeState = 'idle' | 'resizing'
@@ -20,21 +20,21 @@ export function useResizeHandler(
     direction = 'right',
   }: ResizeHandlerOptions = {},
 ) {
-  const pointerDown = React.useRef(false)
-  const pointerMoved = React.useRef(false)
-  const initialSizeRef = React.useRef([0, 0])
-  const baseSize = React.useRef(size)
-  const latestPropSize = React.useRef(size)
+  const pointerDown = useRef(false)
+  const pointerMoved = useRef(false)
+  const initialSizeRef = useRef([0, 0])
+  const baseSize = useRef(size)
+  const latestPropSize = useRef(size)
   const fix = {
     left: -1,
     right: 1,
   }[direction]
 
-  React.useEffect(() => {
+  useEffect(() => {
     latestPropSize.current = size
   }, [size])
 
-  React.useEffect(() => {
+  useEffect(() => {
     const onPointerMove = ({ clientX, clientY }: PointerEvent) => {
       if (!pointerDown.current) return
       const [x0, y0] = initialSizeRef.current
@@ -48,7 +48,7 @@ export function useResizeHandler(
     return () => window.removeEventListener('pointermove', onPointerMove)
   }, [onResize, distanceTolerance, fix])
 
-  React.useEffect(() => {
+  useEffect(() => {
     const onPointerUp = (e: PointerEvent) => {
       if (pointerDown.current) {
         pointerDown.current = false
@@ -64,7 +64,7 @@ export function useResizeHandler(
     return () => window.removeEventListener('pointerup', onPointerUp)
   }, [onClick, onResizeStateChange])
 
-  const onPointerDown = React.useCallback(
+  const onPointerDown = useCallback(
     (e: React.PointerEvent) => {
       e.preventDefault() // Prevent unexpected selection when dragging in Safari
       const { clientX, clientY } = e
diff --git a/src/utils/hooks/useStateIO.ts b/src/utils/hooks/useStateIO.ts
index 979e750..531ed3b 100644
--- a/src/utils/hooks/useStateIO.ts
+++ b/src/utils/hooks/useStateIO.ts
@@ -1,9 +1,9 @@
-import * as React from 'react'
+import React, { useMemo, useState } from 'react'
 
 export function useStateIO<S>(initialState: S | (() => S)): {
   value: S
   onChange: React.Dispatch<React.SetStateAction<S>>
 } {
-  const [value, onChange] = React.useState(initialState)
-  return React.useMemo(() => ({ value, onChange }), [value])
+  const [value, onChange] = useState(initialState)
+  return useMemo(() => ({ value, onChange }), [value])
 }
diff --git a/src/utils/hooks/useUpdateReason.ts b/src/utils/hooks/useUpdateReason.ts
index 6775636..656802b 100644
--- a/src/utils/hooks/useUpdateReason.ts
+++ b/src/utils/hooks/useUpdateReason.ts
@@ -1,9 +1,9 @@
 import { IN_PRODUCTION_MODE } from 'env'
-import * as React from 'react'
+import { useEffect, useRef } from 'react'
 
 export function useUpdateReason<P extends Record<string, unknown>>(props: P) {
-  const lastPropsRef = React.useRef<P>(props)
-  React.useEffect(() => {
+  const lastPropsRef = useRef<P>(props)
+  useEffect(() => {
     if (IN_PRODUCTION_MODE) return
     const output: ([string, keyof P, P[keyof P]] | [string, keyof P, P[keyof P], P[keyof P]])[] = []
     for (const key of Object.keys(props)) {