Fix typing errors

Author: aeagle

src/components/Space.tsx

@@ -30,15 +30,22 @@ export class Space extends React.Component<IReactSpaceInnerProps> {
 	}
 }
 
+const PROP_REACT_SPACES_UNIQUEID = "_react_spaces_uniqueid";
+type SPACE_INDEXABLE = Record<string, string>;
+const getSpaceUniqueId = (space: Space) => ((space as unknown) as SPACE_INDEXABLE)[PROP_REACT_SPACES_UNIQUEID];
+const setSpaceUniqueId = (space: Space, uuid: string) => {
+	((space as unknown) as SPACE_INDEXABLE)[PROP_REACT_SPACES_UNIQUEID] = uuid;
+};
+
 const SpaceInner: React.FC<IReactSpaceInnerProps & { wrapperInstance: Space }> = (props) => {
-	let idToUse = props.id ?? props.wrapperInstance["_react_spaces_uniqueid"];
+	let idToUse = props.id ?? getSpaceUniqueId(props.wrapperInstance);
 	const [initialRender, setInitialRender] = React.useState(SSR_SUPPORT_ENABLED ? true : false);
 
 	const uniqueId = useUniqueId();
 
 	if (!idToUse) {
-		props.wrapperInstance["_react_spaces_uniqueid"] = uniqueId;
-		idToUse = props.wrapperInstance["_react_spaces_uniqueid"];
+		setSpaceUniqueId(props.wrapperInstance, uniqueId);
+		idToUse = getSpaceUniqueId(props.wrapperInstance);
 	}
 
 	const {

src/core-utils.ts

@@ -1,5 +1,7 @@
 import { ISpaceDefinition, SizeUnit, ISize, ResizeHandlePlacement, Type, Orientation } from "./core-types";
 
+const asRecord = (obj: any) => (obj as unknown) as Record<string, object>;
+
 export function omit<K extends string, T extends Record<K, unknown>>(object: T, ...keys: K[]): Omit<T, K> {
 	const keySet = Object.create(null) as Record<K, true>;
 	keys.forEach((key) => {
@@ -8,8 +10,8 @@ export function omit<K extends string, T extends Record<K, unknown>>(object: T,
 
 	const result = Object.create(null) as Omit<T, K>;
 	Object.keys(object).forEach((key) => {
-		if (!keySet[key]) {
-			result[key] = object[key];
+		if (!asRecord(keySet)[key]) {
+			asRecord(result)[key] = asRecord(object)[key];
 		}
 	});