Update yarn to v4 (#185)

* Initial plan

* Update to Yarn v4.9.2 with configuration and dependencies

Co-authored-by: ChristopherChudzicki <[email protected]>

* Fix ESLint configuration and complete Yarn v4 upgrade

Co-authored-by: ChristopherChudzicki <[email protected]>

* Remove unnecessary indent rule override from ESLint config

Co-authored-by: ChristopherChudzicki <[email protected]>

* Remove unnecessary packages added during Yarn v4 migration

Co-authored-by: ChristopherChudzicki <[email protected]>

* Fix GitHub Actions workflow for Yarn v4 and complete setup

Co-authored-by: ChristopherChudzicki <[email protected]>

* Remove unnecessary corepack enable step from CI workflow

Co-authored-by: ChristopherChudzicki <[email protected]>

* Update GitHub Actions to use setup-node@v5 with built-in caching

Co-authored-by: ChristopherChudzicki <[email protected]>

* Apply suggestion from @ChristopherChudzicki

* pin TS version to resolve linting issue

---------

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: ChristopherChudzicki <[email protected]>
Co-authored-by: Chris Chudzicki <[email protected]>

Author: Copilot

.github/workflows/ci.yml

@@ -7,24 +7,13 @@ jobs:
       - uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4
 
       - name: Set up NodeJS
-        uses: actions/setup-node@v2-beta
+        uses: actions/setup-node@v5
         with:
           node-version: 20.19.5
-
-      - name: Get yarn cache directory path
-        id: yarn-cache-dir-path
-        run: echo "::set-output name=dir::$(yarn cache dir)"
-
-      - uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4
-        id: yarn-cache # use this to check for `cache-hit` (`steps.yarn-cache.outputs.cache-hit != 'true'`)
-        with:
-          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
-          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-yarn-
+          cache: 'yarn'
 
       - name: Install dependencies
-        run: yarn install --frozen-lockfile --ignore-engines --prefer-offline
+        run: yarn install --immutable
 
       - name: Lint
         run: yarn lint

.gitignore

@@ -5,4 +5,13 @@ dist/*
 
 # typescript writes this file for incremental compilation
 .tsbuildinfo
-.DS_Store
+.DS_Store
+
+# Yarn v4
+.yarn/*
+!.yarn/patches
+!.yarn/plugins
+!.yarn/releases
+!.yarn/sdks
+!.yarn/versions
+.pnp.*

.yarn/releases/yarn-4.9.2.cjs

@@ -0,0 +1,25 @@
+compressionLevel: mixed
+
+enableScripts: false
+
+enableGlobalCache: false
+
+nodeLinker: node-modules
+
+yarnPath: .yarn/releases/yarn-4.9.2.cjs
+
+# https://github.com/vitejs/vite-plugin-react-swc/issues/74#issuecomment-1520484130
+# https://github.com/swc-project/swc/issues/5616#issuecomment-1265639797
+# This setting ensures we always install the Linux binaries when running `yarn install`. This is needed for running
+# swc natively in Docker (addresses swc-loader bindings not found error).
+supportedArchitectures:
+  os:
+    - current
+    - linux
+  cpu:
+    - current
+    - x64
+    - arm64
+  libc:
+    - current
+    - glibc

.yarnrc.yml

@@ -81,7 +81,7 @@
     "react-router": "^6.22.2",
     "tiny-invariant": "^1.3.3",
     "ts-node": "^10.9.2",
-    "typescript": "^5.3.3"
+    "typescript": "5.8"
   },
   "peerDependencies": {
     "@types/history": "^4.9",
@@ -90,18 +90,18 @@
     "react-router": "^6.22.2"
   },
   "peerDependenciesMeta": {
-    "history": {
+    "@types/history": {
       "optional": true
     },
-    "react-router": {
+    "history": {
       "optional": true
     },
     "next": {
       "optional": true
     },
-    "@types/history": {
+    "react-router": {
       "optional": true
     }
   },
-  "packageManager": "yarn@1.22.22"
+  "packageManager": "yarn@4.9.2"
 }

package.json

@@ -32,8 +32,8 @@
     "./src/**/*.tsx"
   ],
   "exclude": [
-    "src/*.test.ts",
-    "src/*.test.tsx",
+    "src/**/*.test.ts",
+    "src/**/*.test.tsx",
     "src/test_setup.ts",
     "src/test_util.ts",
     "src/open_api_generated/api.ts"