Update definition type files

src/constants/displayStyle/index.d.ts

@@ -9,6 +9,6 @@ export type DisplayStyleList = {
   Username: DisplayStyleType
 }
 
-declare var d: DisplayStyleList
+declare let d: DisplayStyleList
 
 export default d

src/constants/language/index.d.ts

@@ -13,6 +13,6 @@ export type LanguageList = {
   it: LanguageType
 }
 
-declare var l: LanguageList
+declare let l: LanguageList
 
 export default l

src/constants/theme/index.d.ts

@@ -12,6 +12,6 @@ export type ThemeList = {
   Custom: ThemeType
 }
 
-declare var t: ThemeList
+declare let t: ThemeList
 
 export default t

src/constants/themeColor/index.d.ts

@@ -12,10 +12,10 @@ export type ThemeColorType = {
   scrollbar_color: string
 }
 
-declare var LightTheme: ThemeColorType
-declare var DarkTheme: ThemeColorType
-declare var SolarizedLightTheme: ThemeColorType
-declare var SolarizedDarkTheme: ThemeColorType
-declare var KimbieDarkTheme: ThemeColorType
+declare let LightTheme: ThemeColorType
+declare let DarkTheme: ThemeColorType
+declare let SolarizedLightTheme: ThemeColorType
+declare let SolarizedDarkTheme: ThemeColorType
+declare let KimbieDarkTheme: ThemeColorType
 
 export { LightTheme, DarkTheme, SolarizedLightTheme, SolarizedDarkTheme, KimbieDarkTheme }

src/constants/timeFormat/index.d.ts

@@ -8,6 +8,6 @@ export type TimeFormatList = {
   Relative: TimeFormatType
 }
 
-declare var t: TimeFormatList
+declare let t: TimeFormatList
 
 export default t

src/constants/unreadNotification/index.d.ts

@@ -8,6 +8,6 @@ export type UnreadNotificationList = {
   Public: UnreadNotificationType
 }
 
-declare var u: UnreadNotificationList
+declare let u: UnreadNotificationList
 
 export default u

src/constants/visibility/index.d.ts

@@ -11,6 +11,6 @@ export type VisibilityList = {
   Direct: VisibilityType
 }
 
-declare var v: VisibilityList
+declare let v: VisibilityList
 
 export default v

src/renderer/utils/fonts/index.d.ts

@@ -1,3 +1,3 @@
-declare var f: Array<string>
+declare let f: Array<string>
 
 export default f