fix: remove GenericObject shim (#2177)

This was declared in the local stubs file but not shipped, meaning that
consumers with typescript libchecking enabled would have to also add the
GenericObject definition to their local stubs file.

This commit inlines the definition where necessary, or replaces it with
object where appropriate.

custom.d.ts

@@ -23,5 +23,3 @@ declare var reactHotLoaderGlobal: any;
 interface Element {
   scrollIntoViewIfNeeded(centerIfNeeded?: boolean): void;
 }
-
-type GenericObject = Record<string, any>;

src/components/DropdownOrLabel/DropdownOrLabel.tsx

@@ -4,7 +4,7 @@ import { StyledComponent } from 'styled-components';
 import { DropdownProps, MimeLabel, SimpleDropdown } from '../../common-elements/Dropdown';
 
 export interface DropdownOrLabelProps extends DropdownProps {
-  Label?: StyledComponent<any, any, GenericObject, never>;
+  Label?: StyledComponent<any, any, Record<string, any>, never>;
   Dropdown?: StyledComponent<
     React.NamedExoticComponent<DropdownProps>,
     any,

src/services/OpenAPIParser.ts

@@ -41,7 +41,7 @@ export class OpenAPIParser {
     }
   }
 
-  validate(spec: GenericObject): void {
+  validate(spec: Record<string, any>): void {
     if (spec.openapi === undefined) {
       throw new Error('Document must be valid OpenAPI 3.0.0 definition');
     }
@@ -153,7 +153,7 @@ export class OpenAPIParser {
     } else {
       // small optimization
       return {
-        ...(resolved as GenericObject),
+        ...(resolved as object),
         ...rest,
       } as T;
     }

src/utils/object.ts

@@ -1,4 +1,4 @@
-export function objectHas(object: GenericObject, path: string | Array<string>): boolean {
+export function objectHas(object: object, path: string | Array<string>): boolean {
   let _path = <Array<string>>path;
 
   if (typeof path === 'string') {
@@ -12,7 +12,7 @@ export function objectHas(object: GenericObject, path: string | Array<string>):
   });
 }
 
-export function objectSet(object: GenericObject, path: string | Array<string>, value: any): void {
+export function objectSet(object: object, path: string | Array<string>, value: any): void {
   let _path = <Array<string>>path;
 
   if (typeof path === 'string') {