fix(typescript): add typing for nested paths with array notation

Author: krisk

dist/fuse.d.ts

@@ -85,7 +85,7 @@ declare class Fuse<T, O extends Fuse.IFuseOptions<T>> {
    * @returns An indexed list
    */
   static createIndex<U>(
-    keys: Fuse.FuseOptionKeyObject[] | string[],
+    keys: Array<Fuse.FuseOptionKey>,
     list: ReadonlyArray<U>,
     options?: Fuse.FuseIndexOptions<U>
   ): FuseIndex<U>
@@ -231,10 +231,12 @@ declare namespace Fuse {
   //   weight: 0.7
   // }
   export type FuseOptionKeyObject = {
-    name: string
+    name: string | [string]
     weight: number
   }
 
+  export type FuseOptionKey = FuseOptionKeyObject | string | [string]
+
   export interface IFuseOptions<T> {
     isCaseSensitive?: boolean
     distance?: number
@@ -244,7 +246,7 @@ declare namespace Fuse {
     ignoreFieldNorm?: boolean
     includeMatches?: boolean
     includeScore?: boolean
-    keys?: FuseOptionKeyObject[] | string[]
+    keys?: Array<FuseOptionKey>
     location?: number
     minMatchCharLength?: number
     shouldSort?: boolean
@@ -278,6 +280,10 @@ declare namespace Fuse {
 
   export type Expression =
     | { [key: string]: string }
+    | {
+        $path: ReadonlyArray<string>
+        $val: string
+      }
     | { $and?: Expression[] }
     | { $or?: Expression[] }
 }

src/index.d.ts

@@ -277,6 +277,10 @@ declare namespace Fuse {
 
   export type Expression =
     | { [key: string]: string }
+    | {
+        $path: ReadonlyArray<string>
+        $val: string
+      }
     | { $and?: Expression[] }
     | { $or?: Expression[] }
 }