ci(ios): use prebuilt binaries

.changeset/silly-ideas-kneel.md

@@ -0,0 +1,2 @@
+---
+---

.github/workflows/pr.yml

@@ -168,27 +168,22 @@ jobs:
           if [[ "$(yarn show-affected --base origin/${{ github.base_ref }})" = *"@rnx-kit/test-app"* ]]; then
             echo 'ios=true' >> $GITHUB_OUTPUT
           fi
-      - name: Install Ccache
-        if: ${{ steps.affected-projects.outputs.ios != '' }}
-        run: |
-          brew install ccache
       - name: Build @rnx-kit/cli
         if: ${{ steps.affected-projects.outputs.ios != '' }}
         run: |
           yarn nx build @rnx-kit/cli
       - name: Install Pods
         uses: microsoft/react-native-test-app/.github/actions/cocoapods@trunk
         if: ${{ steps.affected-projects.outputs.ios != '' }}
+        env:
+          RCT_USE_PREBUILT_RNCORE: 1
         with:
           project-directory: ios
           working-directory: packages/test-app
       - name: Build iOS app
         if: ${{ steps.affected-projects.outputs.ios != '' }}
         run: |
-          export CCACHE_DIR="$(git rev-parse --show-toplevel)/.ccache"
-          ccache --zero-stats 1> /dev/null
-          yarn build:ios --ccache-dir "$CCACHE_DIR" --ccache-home /opt/homebrew/opt/ccache | xcbeautify
-          ccache --show-stats --verbose
+          yarn build:ios | xcbeautify
         working-directory: packages/test-app
   build-website:
     name: "Build the website"

packages/jest-preset/private/jest-preset.js

@@ -4,6 +4,7 @@ module.exports = {
   ...require("../jest-preset"),
   collectCoverage: true,
   collectCoverageFrom: ["src/**"],
+  coverageDirectory: "test/coverage",
   roots: ["test"],
   testRegex: "/test/.*\\.test\\.[jt]sx?$",
 };

packages/test-app-macos/ios/Podfile

@@ -1,19 +1 @@
-ws_dir = Pathname.new(__dir__)
-ws_dir = ws_dir.parent until
-  File.exist?("#{ws_dir}/node_modules/react-native-test-app/test_app.rb") ||
-  ws_dir.expand_path.to_s == '/'
-require "#{ws_dir}/node_modules/react-native-test-app/test_app.rb"
-
-workspace 'SampleCrossApp.xcworkspace'
-
-options = {
-  :bridgeless_enabled => true,
-  :fabric_enabled => true,
-  :hermes_enabled => false,
-}
-
-use_test_app! options do |target|
-  target.app do
-    pod 'MSAL', :modular_headers => true
-  end
-end
+raise 'For iOS test app, please use the project in `packages/test-app/` instead'

packages/test-app/ios/Podfile

@@ -9,7 +9,7 @@ workspace 'SampleCrossApp.xcworkspace'
 options = {
   :bridgeless_enabled => true,
   :fabric_enabled => true,
-  :hermes_enabled => false,
+  :hermes_enabled => true,
 }
 
 use_test_app! options do |target|