Add pkg.pr.new workflow (#7412)

* Add pkg.pr.new workflow

* fix artifacts source

* update CONTRIBUTING.md

* completely remove npm-pacakges

* allow pkg-pr-new on master

* Update CONTRIBUTING.md

---------

Co-authored-by: Christoph Knittel <[email protected]>

Author: cometkim

.github/workflows/ci.yml

@@ -439,20 +439,19 @@ jobs:
           name: lib-ocaml
           path: lib/ocaml
 
-  package:
-    needs:
-      - build-compiler
+  pkg-pr-new:
+    needs: 
       - build-rewatch
-
+      - build-compiler
     runs-on: ubuntu-24.04-arm
-
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
       - name: Use Node.js
         uses: actions/setup-node@v4
         with:
+          cache: yarn
           node-version-file: .nvmrc
 
       - name: Download artifacts
@@ -464,34 +463,13 @@ jobs:
         run: .github/workflows/moveArtifacts.sh
         shell: bash
 
-      - name: Check artifact list
-        run: node ./scripts/npmPack.js
-
-      - name: yarn pack @rescript/* subpackages
-        run: yarn workspaces foreach -W --no-private --exclude rescript pack
-
-      - name: Prepare package upload
-        # For pull requests, pass the correct commit SHA explicitly as GITHUB_SHA points to the wrong commit.
-        run: node .github/workflows/prepare_package_upload.js ${{ github.event.pull_request.head.sha }}
-
-      - name: "Upload artifact: npm packages"
-        uses: actions/upload-artifact@v4
-        with:
-          name: npm-packages
-          path: |
-            rescript-${{ env.rescript_version }}.tgz
-            rescript-std-${{ env.rescript_version }}.tgz
-            rescript-linux-x64-${{ env.rescript_version }}.tgz
-            rescript-linux-arm64-${{ env.rescript_version }}.tgz
-            rescript-darwin-x64-${{ env.rescript_version }}.tgz
-            rescript-darwin-arm64-${{ env.rescript_version }}.tgz
-            rescript-win32-x64-${{ env.rescript_version }}.tgz
-
-    outputs:
-      rescript_version: ${{ env.rescript_version }}
+      - name: Publish packages to pkg.pr.new
+        run: |
+          yarn dlx pkg-pr-new publish "." "./packages/@rescript/*"
 
   installationTest:
-    needs: package
+    needs:
+      - pkg-pr-new
     strategy:
       fail-fast: false
       matrix:
@@ -506,11 +484,10 @@ jobs:
             node-target: linux-arm64
           - os: windows-latest
             node-target: win32-x64
-
     runs-on: ${{ matrix.os }}
-
     steps:
       - name: Checkout
+        id: checkout
         uses: actions/checkout@v4
 
       - name: Use Node.js
@@ -531,17 +508,11 @@ jobs:
           echo "path=$dir" >> "$GITHUB_OUTPUT"
           cp -r tests/package_tests/installation_test/* "$dir"
 
-      - name: Download artifacts
-        uses: actions/download-artifact@v4
-        with:
-          name: npm-packages
-          path: ${{ steps.tmp-dir.outputs.path }}
-
       - name: Install ReScript package
         run: |
-          npm i --ignore-scripts --no-audit \
-            rescript-${{ needs.package.outputs.rescript_version }}.tgz \
-            rescript-${{ matrix.node-target }}-${{ needs.package.outputs.rescript_version }}.tgz
+          COMMIT_SHA="${{ github.event.pull_request.head.sha || github.sha }}"
+          npm i --no-audit \
+            "https://pkg.pr.new/rescript-lang/rescript@${COMMIT_SHA::7}"
         shell: bash
         working-directory: ${{ steps.tmp-dir.outputs.path }}
 
@@ -551,12 +522,12 @@ jobs:
         working-directory: ${{ steps.tmp-dir.outputs.path }}
 
   publish:
-    needs: [package, installationTest]
-
+    needs:
+      - build-rewatch
+      - build-compiler
+      - installationTest
     if: startsWith(github.ref, 'refs/tags/v')
-
     runs-on: ubuntu-24.04-arm
-
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -571,19 +542,18 @@ jobs:
       - name: Download artifacts
         uses: actions/download-artifact@v4
         with:
-          name: npm-packages
+          pattern: "@(binaries-*|rewatch-*|lib-ocaml)"
+
+      - name: Move artifacts into packages
+        run: .github/workflows/moveArtifacts.sh
+        shell: bash
 
       - name: Publish packages on npm with tag "ci"
         env:
-          NODE_AUTH_TOKEN: ${{ secrets.NPM_ACCESS_TOKEN }}
+          YARN_NPM_AUTH_TOKEN: ${{ secrets.NPM_ACCESS_TOKEN }}
         run: |
-          npm publish --tag ci rescript-${{ needs.package.outputs.rescript_version }}.tgz
-          npm publish --tag ci rescript-std-${{ needs.package.outputs.rescript_version }}.tgz
-          npm publish --tag ci rescript-linux-x64-${{ needs.package.outputs.rescript_version }}.tgz
-          npm publish --tag ci rescript-linux-arm64-${{ needs.package.outputs.rescript_version }}.tgz
-          npm publish --tag ci rescript-darwin-x64-${{ needs.package.outputs.rescript_version }}.tgz
-          npm publish --tag ci rescript-darwin-arm64-{{ needs.package.outputs.rescript_version }}.tgz
-          npm publish --tag ci rescript-win32-x64-${{ needs.package.outputs.rescript_version }}.tgz
+          yarn workspaces foreach -W --no-private \
+            npm publish --tag ci
 
       - name: Update Website Playground
         env:

CONTRIBUTING.md

@@ -395,33 +395,24 @@ To build a new version and release it on NPM, follow these steps:
 
 ## Debugging issues from CI builds
 
-To reproduce issues, it can be helpful to the team to install a specific version of the compiler. To do so:
+To reproduce issues, it can be helpful to the team to install a specific version of the compiler.
 
-1. Go to [Actions CI for master](https://github.com/rescript-lang/rescript-compiler/actions/workflows/ci.yml?query=branch%3Amaster)
-   - If you need a specific branch, select a different one to filter to in the GitHub UI.
-1. Select a specific run (likely the latest)
-1. Under "Artifacts", download the `npm-packages` artifact and extract it to a folder.
-1. In your repository run:
+ReScript uses [pkg.pr.new](https://github.com/stackblitz-labs/pkg.pr.new) for continuous releases. Once tests are passed successfully, the bot comment is available. 
 
-```console
-npm i <path_to_download>/npm-packages/rescript-*.tgz
-```
+Follow the instructions from the comment, which are like:
 
-If you use Yarn or pnpm, you should override platform package resolutions by [`resolutions`](https://yarnpkg.com/configuration/manifest#resolutions) in Yarn or [`overrides`](https://pnpm.io/settings#overrides) in Pnpm.
+```bash
+# Use NPM
+npm i "https://pkg.pr.new/rescript-lang/rescript@${PR_NUMBER}"
 
-```
-{
-  "resolutions": {
-    "@rescript/linux-x64": "<path_to_download>/npm-packages/rescript-linux-x64.tgz",
-    "@rescript/linux-arm64": "<path_to_download>/npm-packages/rescript-linux-arm64.tgz",
-    "@rescript/darwin-x64": "<path_to_download>/npm-packages/rescript-darwin-x64.tgz",
-    "@rescript/darwin-arm64": "<path_to_download>/npm-packages/rescript-darwin-arm64.tgz",
-    "@rescript/win32-x64": "<path_to_download>/npm-packages/rescript-win32-x64.tgz"
-  }
-}
+# Use Yarn
+yarn add "rescript@https://pkg.pr.new/rescript-lang/rescript@${PR_NUMBER}"
+
+# Use pnpm
+pnpm add "https://pkg.pr.new/rescript-lang/rescript@${PR_NUMBER}"
 ```
 
-1. Then attempt to rebuild your project as you would normally.
+Then attempt to rebuild your project as you would normally.
 
 ## Contribution Licensing