From 36a6c1d3bf28a9eeda5fc0a22fd342d3ac111d88 Mon Sep 17 00:00:00 2001
From: Edward Faulkner <edward@eaf4.com>
Date: Wed, 11 Sep 2024 16:51:20 +0100
Subject: [PATCH] stay compatible with default core options

---
 packages/compat/src/babel-plugin-adjust-imports.ts |  4 ++--
 packages/core/src/resolver-loader.ts               | 11 ++++++++---
 packages/core/src/virtual-entrypoint.ts            |  3 ++-
 3 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/packages/compat/src/babel-plugin-adjust-imports.ts b/packages/compat/src/babel-plugin-adjust-imports.ts
index f3eaaa66e..9fe846aa3 100644
--- a/packages/compat/src/babel-plugin-adjust-imports.ts
+++ b/packages/compat/src/babel-plugin-adjust-imports.ts
@@ -136,7 +136,7 @@ function amdDefine(t: BabelTypes, adder: ImportUtil, path: NodePath<t.Program>,
 function preprocessExtraImports(loader: ResolverLoader): ExtraImports {
   let extraImports: ExtraImports = {};
   let config = loader.resolver.options as CompatResolverOptions;
-  for (let rule of config.activePackageRules) {
+  for (let rule of config.activePackageRules ?? []) {
     if (rule.addonModules) {
       for (let [filename, moduleRules] of Object.entries(rule.addonModules)) {
         for (let root of rule.roots) {
@@ -200,7 +200,7 @@ function lazyPackageLookup(config: InternalConfig, filename: string) {
 function preprocessComponentExtraImports(loader: ResolverLoader): ExtraImports {
   let extraImports: ExtraImports = {};
   let config = loader.resolver.options as CompatResolverOptions;
-  for (let rule of config.activePackageRules) {
+  for (let rule of config.activePackageRules ?? []) {
     if (rule.components) {
       for (let [componentName, rules] of Object.entries(rule.components)) {
         if (rules.invokes) {
diff --git a/packages/core/src/resolver-loader.ts b/packages/core/src/resolver-loader.ts
index 4a6aebfb6..c7d7fe460 100644
--- a/packages/core/src/resolver-loader.ts
+++ b/packages/core/src/resolver-loader.ts
@@ -1,5 +1,5 @@
-import { readJSONSync } from 'fs-extra';
-import type { Options } from './module-resolver-options';
+import { existsSync, readJSONSync } from 'fs-extra';
+import { buildResolverOptions, type Options } from './module-resolver-options';
 import { Resolver } from './module-resolver';
 import { locateEmbroiderWorkingDir } from '@embroider/shared-internals';
 import { join } from 'path';
@@ -26,7 +26,12 @@ export class ResolverLoader {
 
   get resolver(): Resolver {
     if (!this.#resolver) {
-      let config: Options = readJSONSync(join(locateEmbroiderWorkingDir(this.appRoot), 'resolver.json'));
+      let config: Options;
+      if (existsSync(this.#configFile)) {
+        config = readJSONSync(this.#configFile);
+      } else {
+        config = buildResolverOptions({});
+      }
       this.#resolver = new Resolver(config);
     }
     return this.#resolver;
diff --git a/packages/core/src/virtual-entrypoint.ts b/packages/core/src/virtual-entrypoint.ts
index a74c5648a..da5d4716a 100644
--- a/packages/core/src/virtual-entrypoint.ts
+++ b/packages/core/src/virtual-entrypoint.ts
@@ -9,6 +9,7 @@ import walkSync from 'walk-sync';
 import type { V2AddonPackage } from '@embroider/shared-internals/src/package';
 import { encodePublicRouteEntrypoint } from './virtual-route-entrypoint';
 import escapeRegExp from 'escape-string-regexp';
+import { optionsWithDefaults } from './options';
 
 const entrypointPattern = /(?<filename>.*)[\\/]-embroider-entrypoint.js/;
 
@@ -68,7 +69,7 @@ export function renderEntrypoint(
     resolver.options.podModulePrefix
   );
 
-  let options = (resolver.options as CompatResolverOptions).options;
+  let options = (resolver.options as CompatResolverOptions).options ?? optionsWithDefaults();
 
   let requiredAppFiles = [appFiles.otherAppFiles];
   if (!options.staticComponents) {