core-api: get or create all bridged contexts

Co-authored-by: Juan Lulkin <jmaiz@spotify.com>
Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

packages/core-api/src/apis/system/ApiProvider.tsx

@@ -24,7 +24,10 @@ import React, {
 import PropTypes from 'prop-types';
 import { ApiRef, ApiHolder, TypesToApiRefs } from './types';
 import { ApiAggregator } from './ApiAggregator';
-import { getGlobalSingleton, setGlobalSingleton } from '../../lib/globalObject';
+import {
+  getGlobalSingleton,
+  getOrCreateGlobalSingleton,
+} from '../../lib/globalObject';
 import {
   VersionedValue,
   createVersionedValueMap,
@@ -42,9 +45,9 @@ type ApiProviderProps = {
 };
 
 type ApiContextType = VersionedValue<{ 1: ApiHolder }> | undefined;
-const ApiContext = createContext<ApiContextType>(undefined);
-
-setGlobalSingleton('api-context', ApiContext);
+const ApiContext = getOrCreateGlobalSingleton('api-context', () =>
+  createContext<ApiContextType>(undefined),
+);
 
 export const ApiProvider = ({
   apis,

packages/core-api/src/app/AppContext.tsx

@@ -24,13 +24,16 @@ import {
   VersionedValue,
   createVersionedValueMap,
 } from '../lib/versionedValues';
-import { getGlobalSingleton, setGlobalSingleton } from '../lib/globalObject';
+import {
+  getGlobalSingleton,
+  getOrCreateGlobalSingleton,
+} from '../lib/globalObject';
 import { AppContext as AppContextV1 } from './types';
 
 type AppContextType = VersionedValue<{ 1: AppContextV1 }> | undefined;
-const AppContext = createContext<AppContextType | undefined>(undefined);
-
-setGlobalSingleton('app-context', AppContext);
+const AppContext = getOrCreateGlobalSingleton('app-context', () =>
+  createContext<AppContextType | undefined>(undefined),
+);
 
 type Props = {
   appContext: AppContextV1;

packages/core-api/src/routing/hooks.tsx

@@ -35,12 +35,15 @@ import {
   VersionedValue,
   createVersionedValueMap,
 } from '../lib/versionedValues';
-import { setGlobalSingleton, getGlobalSingleton } from '../lib/globalObject';
+import {
+  getGlobalSingleton,
+  getOrCreateGlobalSingleton,
+} from '../lib/globalObject';
 
 type RoutingContextType = VersionedValue<{ 1: RouteResolver }> | undefined;
-const RoutingContext = createContext<RoutingContextType>(undefined);
-
-setGlobalSingleton('routing-context', RoutingContext);
+const RoutingContext = getOrCreateGlobalSingleton('routing-context', () =>
+  createContext<RoutingContextType>(undefined),
+);
 
 export function useRouteRef<Optional extends boolean, Params extends AnyParams>(
   routeRef: ExternalRouteRef<Params, Optional>,