version-bridge: leave it to the caller of useVersionedContext to check availability

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

packages/version-bridge/api-report.md

@@ -36,7 +36,7 @@ export function useVersionedContext<
   Versions extends {
     [version in number]: any;
   },
->(key: string): VersionedValue<Versions>;
+>(key: string): VersionedValue<Versions> | undefined;
 
 // @public
 export type VersionedValue<

packages/version-bridge/src/lib/VersionedContext.test.tsx

@@ -65,13 +65,9 @@ describe('VersionedContext', () => {
 
     const rendered = renderHook(() => useVersionedContext('test-context-3'));
 
-    expect(() => rendered.result.current).toThrow(
-      'Global test-context-3 is not set',
-    );
+    expect(rendered.result.current).toBeUndefined();
     context.set({ 1: '3v1' });
-    expect(() => rendered.result.current).toThrow(
-      'Global test-context-3 is not set',
-    );
+    expect(rendered.result.current).toBeUndefined();
     // should need a rerender before update
     rendered.rerender();
 
@@ -86,9 +82,7 @@ describe('VersionedContext', () => {
 
     context.reset();
     rendered.rerender();
-    expect(() => rendered.result.current).toThrow(
-      'Global test-context-3 is not set',
-    );
+    expect(rendered.result.current).toBeUndefined();
 
     context.set({ 1: '3v1', 2: '3v2' });
 

packages/version-bridge/src/lib/VersionedContext.ts

@@ -15,7 +15,7 @@
  */
 
 import { createContext, useContext, Context } from 'react';
-import { getGlobalSingleton, getOrCreateGlobalSingleton } from './globalObject';
+import { getOrCreateGlobalSingleton } from './globalObject';
 import { createVersionedValueMap, VersionedValue } from './VersionedValue';
 
 /**
@@ -55,6 +55,10 @@ export function createVersionedContext<
  * ```ts
  * const versionedHolder = useVersionedContext<{ 1: string }>('my-context');
  *
+ * if (!versionedHolder) {
+ *   throw new Error('My context is not available!')
+ * }
+ *
  * const myValue = versionedHolder.atVersion(1);
  *
  * // ...
@@ -62,14 +66,8 @@ export function createVersionedContext<
  */
 export function useVersionedContext<
   Versions extends { [version in number]: any },
->(key: string): VersionedValue<Versions> {
-  const versionedValue = useContext(
-    getGlobalSingleton<Context<VersionedValue<Versions>>>(key),
-  );
-  if (!versionedValue) {
-    throw new Error(`No provider available for ${key} context`);
-  }
-  return versionedValue;
+>(key: string): VersionedValue<Versions> | undefined {
+  return useContext(createVersionedContext<Versions>(key));
 }
 
 /**