From bdd2a1e7ddb267587b41b7b2ef22abd7e12a3492 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Naz=C4=B1m=20Can=20Alt=C4=B1nova?= <canaltinova@gmail.com>
Date: Thu, 6 Nov 2025 14:49:27 +0100
Subject: [PATCH 1/2] Migrate from Appveyor to GitHub Actions Windows runners

---
 .github/workflows/ci.yml | 11 +++++++++--
 appveyor.yml             | 37 -------------------------------------
 2 files changed, 9 insertions(+), 39 deletions(-)
 delete mode 100644 appveyor.yml

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1421c56181..6e194068d8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,7 +22,10 @@ jobs:
         run: yarn lint
 
   tests:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest]
     steps:
       - name: Checkout code
         uses: actions/checkout@v5
@@ -36,12 +39,16 @@ jobs:
         run: yarn test --coverage --logHeapUsage -w=4 --workerIdleMemoryLimit=1.5G
 
       - name: Upload coverage to Codecov
+        if: matrix.os == 'ubuntu-latest'
         uses: codecov/codecov-action@v5
         with:
           fail_ci_if_error: false
 
   build-prod:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest]
     steps:
       - name: Checkout code
         uses: actions/checkout@v5
diff --git a/appveyor.yml b/appveyor.yml
deleted file mode 100644
index a9021d7b33..0000000000
--- a/appveyor.yml
+++ /dev/null
@@ -1,37 +0,0 @@
-image: Visual Studio 2022
-clone_depth: 5
-environment:
-  nodejs_version: '22.14'
-platform: x64 # flow needs 64b platforms
-
-branches:
-  only:
-    - main
-    - production
-
-# Install scripts. (runs after repo cloning)
-install:
-  # 1. Select the right node
-  # The following command works by fully reinstalling a version of node. It's a
-  # lot slower than the other command. This needs the full version (eg: 18.12)
-  - ps: Update-NodeJsInstallation (Get-NodeJsLatestBuild $env:nodejs_version) $env:platform
-  # Use the following command if the wanted version is already part of
-  # appveyor's windows machines, see https://www.appveyor.com/docs/windows-images-software/#node-js
-  # This needs the major version only (eg: 18)
-  # - ps: Install-Product node $env:nodejs_version $env:platform
-  # 2. Setup the project
-  - yarn install --frozen-lockfile
-
-# Post-install test scripts.
-test_script:
-  # Output useful info for debugging.
-  - yarn versions
-  # run tests
-  - yarn test-all
-  - yarn build-prod:quiet
-
-cache:
-  - node_modules
-
-# Don't actually build.
-build: off

From 381b3e278cfc311f8d4129ac5a9c1d2f8ad11684 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Naz=C4=B1m=20Can=20Alt=C4=B1nova?= <canaltinova@gmail.com>
Date: Thu, 6 Nov 2025 15:34:33 +0100
Subject: [PATCH 2/2] Run other CI jobs in Windows as well

---
 .github/workflows/ci.yml | 25 ++++++++++++++++++++-----
 1 file changed, 20 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6e194068d8..5772a2148b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,10 @@ on:
 
 jobs:
   lint:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest]
     steps:
       - name: Checkout code
         uses: actions/checkout@v5
@@ -63,7 +66,10 @@ jobs:
         run: yarn build-symbolicator-cli:quiet
 
   licence-check:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest]
     steps:
       - name: Checkout code
         uses: actions/checkout@v5
@@ -75,7 +81,10 @@ jobs:
         run: yarn license-check
 
   typecheck:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest]
     steps:
       - name: Checkout code
         uses: actions/checkout@v5
@@ -87,7 +96,10 @@ jobs:
         run: yarn ts
 
   alex:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest]
     steps:
       - name: Checkout code
         uses: actions/checkout@v5
@@ -99,7 +111,10 @@ jobs:
         run: yarn test-alex
 
   yarn-lock:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest]
     steps:
       - name: Checkout code
         uses: actions/checkout@v5