Extract ember-compat stuff to a central location

ember-resources/src/ember-compat.ts

@@ -0,0 +1,22 @@
+import { dependencySatisfies, importSync, macroCondition } from '@embroider/macros';
+
+import type Owner from '@ember/owner';
+
+interface CompatOwner {
+  getOwner: (context: unknown) => Owner | undefined;
+  setOwner: (context: unknown, owner: Owner) => void;
+}
+
+export const compatOwner = {} as CompatOwner;
+
+if (macroCondition(dependencySatisfies('ember-source', '>=4.12.0'))) {
+  // In no version of ember where `@ember/owner` tried to be imported did it exist
+  // if (macroCondition(false)) {
+  // Using 'any' here because importSync can't lookup types correctly
+  compatOwner.getOwner = (importSync('@ember/owner') as any).getOwner;
+  compatOwner.setOwner = (importSync('@ember/owner') as any).setOwner;
+} else {
+  // Using 'any' here because importSync can't lookup types correctly
+  compatOwner.getOwner = (importSync('@ember/application') as any).getOwner;
+  compatOwner.setOwner = (importSync('@ember/application') as any).setOwner;
+}

ember-resources/src/immediate-invocation-manager.ts

@@ -4,7 +4,6 @@ import { assert } from '@ember/debug';
 import { associateDestroyableChild, destroy } from '@ember/destroyable';
 // @ts-ignore
 import { capabilities as helperCapabilities, invokeHelper, setHelperManager } from '@ember/helper';
-import { dependencySatisfies, importSync, macroCondition } from '@embroider/macros';
 
 import type { resource } from './resource.ts';
 import type Owner from '@ember/owner';
@@ -16,17 +15,9 @@ interface State {
   cache: ReturnType<typeof invokeHelper>;
 }
 
-let setOwner: (context: unknown, owner: Owner) => void;
+import { compatOwner } from './ember-compat.ts';
 
-if (macroCondition(dependencySatisfies('ember-source', '>=4.12.0'))) {
-  // In no version of ember where `@ember/owner` tried to be imported did it exist
-  // if (macroCondition(false)) {
-  // Using 'any' here because importSync can't lookup types correctly
-  setOwner = (importSync('@ember/owner') as any).setOwner;
-} else {
-  // Using 'any' here because importSync can't lookup types correctly
-  setOwner = (importSync('@ember/application') as any).setOwner;
-}
+const setOwner = compatOwner.setOwner;
 
 class ResourceInvokerManager {
   capabilities = helperCapabilities('3.23', {

ember-resources/src/resource-manager.ts

@@ -6,9 +6,9 @@ import { associateDestroyableChild, destroy, registerDestructor } from '@ember/d
 import { invokeHelper } from '@ember/helper';
 // @ts-ignore
 import { capabilities as helperCapabilities } from '@ember/helper';
-import { dependencySatisfies, importSync, macroCondition } from '@embroider/macros';
 
 import { ReadonlyCell } from './cell.ts';
+import { compatOwner } from './ember-compat.ts';
 import { CURRENT, INTERNAL } from './types.ts';
 
 import type {
@@ -19,20 +19,7 @@ import type {
 } from './types.ts';
 import type Owner from '@ember/owner';
 
-let getOwner: (context: unknown) => Owner | undefined;
-let setOwner: (context: unknown, owner: Owner) => void;
-
-if (macroCondition(dependencySatisfies('ember-source', '>=4.12.0'))) {
-  // In no version of ember where `@ember/owner` tried to be imported did it exist
-  // if (macroCondition(false)) {
-  // Using 'any' here because importSync can't lookup types correctly
-  getOwner = (importSync('@ember/owner') as any).getOwner;
-  setOwner = (importSync('@ember/owner') as any).setOwner;
-} else {
-  // Using 'any' here because importSync can't lookup types correctly
-  getOwner = (importSync('@ember/application') as any).getOwner;
-  setOwner = (importSync('@ember/application') as any).setOwner;
-}
+const setOwner = compatOwner.setOwner;
 
 /**
  * Note, a function-resource receives on object, hooks.