chore: legacy-handler findRecord support

.eslintrc.js

@@ -201,7 +201,6 @@ module.exports = {
         '@types/@ember/object/compat.d.ts',
         '@types/@ember/debug/index.d.ts',
         'packages/store/src/index.ts',
-        'packages/store/src/-private/utils/promise-record.ts',
         'packages/store/src/-private/utils/is-non-empty-string.ts',
         'packages/store/src/-private/utils/construct-resource.ts',
         'ember-data-types/q/utils.ts',
@@ -226,7 +225,6 @@ module.exports = {
         'packages/store/src/-private/caches/record-data-for.ts',
         'packages/store/src/-private/utils/normalize-model-name.ts',
         'packages/store/src/-private/legacy-model-support/shim-model-class.ts',
-        'packages/store/src/-private/network/fetch-manager.ts',
         'packages/store/src/-private/store-service.ts',
         'packages/store/src/-private/utils/coerce-id.ts',
         'packages/store/src/-private/index.ts',

packages/-ember-data/addon/-private/index.ts

@@ -4,13 +4,15 @@ import PromiseProxyMixin from '@ember/object/promise-proxy-mixin';
 import ObjectProxy from '@ember/object/proxy';
 
 import { LegacyNetworkHandler } from '@ember-data/legacy-compat';
+import { FetchManager } from '@ember-data/legacy-compat/-private';
 import { RequestManager } from '@ember-data/request';
 import { Fetch } from '@ember-data/request/fetch';
 import BaseStore from '@ember-data/store';
 
 export class Store extends BaseStore {
-  constructor() {
-    super(...arguments);
+  constructor(args: Record<string, unknown>) {
+    super(args);
+    this._fetchManager = new FetchManager(this);
     this.requestManager = new RequestManager();
     this.requestManager.use([LegacyNetworkHandler, Fetch]);
   }

packages/-ember-data/addon/index.js

@@ -186,7 +186,7 @@ import JSONSerializer from '@ember-data/serializer/json';
 import JSONAPISerializer from '@ember-data/serializer/json-api';
 import RESTSerializer, { EmbeddedRecordsMixin } from '@ember-data/serializer/rest';
 import Transform from '@ember-data/serializer/transform';
-import Store, { normalizeModelName } from '@ember-data/store';
+import { normalizeModelName } from '@ember-data/store';
 
 import {
   DS,
@@ -197,6 +197,7 @@ import {
   PromiseObject,
   RecordArrayManager,
   Snapshot,
+  Store,
 } from './-private';
 import setupContainer from './setup-container';
 

packages/legacy-compat/src/-private.ts

@@ -1 +1,3 @@
 export { default as SnapshotRecordArray } from './legacy-network-handler/snapshot-record-array';
+export { SaveOp } from './legacy-network-handler/fetch-manager';
+export { default as FetchManager } from './legacy-network-handler/fetch-manager';

packages/legacy-compat/src/legacy-network-handler/common.js

@@ -5,7 +5,13 @@ import { resolve } from 'rsvp';
 import { DEBUG } from '@ember-data/env';
 import { DEPRECATE_RSVP_PROMISE } from '@ember-data/private-build-infra/deprecations';
 
-function _guard(promise, test) {
+export function _bind(fn, ...args) {
+  return function () {
+    return fn.apply(undefined, args);
+  };
+}
+
+export function _guard(promise, test) {
   let guarded = promise.finally(() => {
     if (!test()) {
       guarded._subscribers.length = 0;
@@ -15,7 +21,7 @@ function _guard(promise, test) {
   return guarded;
 }
 
-function _objectIsAlive(object) {
+export function _objectIsAlive(object) {
   return !(object.isDestroyed || object.isDestroying);
 }