[Infrastructure] Add a script to update NPM dependencies and create PRs

eng/scripts/update-npm-dependencies.ps1

@@ -0,0 +1,104 @@
+param (
+    [switch]$WhatIf,
+    [switch]$SkipPullRequestCreation
+)
+
+$ErrorActionPreference = "Stop"
+
+$env:npm_config_cache = "$PWD/src/submodules/Node-Externals/cache"
+
+Write-Host "Ensuring the repository is clean"
+if (-not $WhatIf) {
+    git clean -xdff
+}
+
+Write-Host "Removing package-lock.json"
+if (-not $WhatIf) {
+    Remove-Item .\package-lock.json
+}
+
+Write-Host "Running npm install"
+if (-not $WhatIf) {
+    npm install --prefer-online --include optional
+}
+
+Write-Host "Adding optional dependencies to the cache"
+$rollupOptionalDependencies = (Get-Content .\package-lock.json | ConvertFrom-Json -AsHashtable).packages['node_modules/rollup'].optionalDependencies |
+Select-Object '@rollup/rollup-*';
+$commonOptionalDependencyVersion = $null;
+
+foreach ($optionalDependency in ($rollupOptionalDependencies | Get-Member -MemberType NoteProperty)) {
+    $optionalDependencyName = $optionalDependency.Name
+    $optionalDependencyVersion = $rollupOptionalDependencies.$optionalDependencyName
+
+    if ($null -eq $commonOptionalDependencyVersion) {
+        $commonOptionalDependencyVersion = $optionalDependencyVersion
+    }
+
+    Write-Host "Adding $optionalDependencyName@$optionalDependencyVersion to the cache"
+    if (-not $WhatIf) {
+        npm cache add $optionalDependencyName@$optionalDependencyVersion
+    }
+}
+
+if ($null -ne $commonOptionalDependencyVersion) {
+    Write-Host "Adding @rollup/wasm-node@$commonOptionalDependencyVersion to the cache"
+    if (-not $WhatIf) {
+        npm cache add "@rollup/wasm-node@$commonOptionalDependencyVersion"
+    }
+}
+
+Write-Host "Verifying the cache"
+if(-not $WhatIf) {
+    npm cache verify
+}
+
+# Navigate to the Node-Externals submodule
+# Checkout a branch named infrastructure/update-npm-package-cache-<date>
+# Stage the changes in the folder
+# Commit the changes with the message "Updated npm package cache <date>"
+# Use the GH CLI to create a PR for the branch in the origin remote
+
+Push-Location src/submodules/Node-Externals
+$branchName = "infrastructure/update-npm-package-cache-$(Get-Date -Format 'yyyy-MM-dd')"
+if (-not $WhatIf) {
+    git branch -D $branchName 2>$null
+    git checkout -b $branchName
+    git add .
+    git commit -m "Updated npm package cache $(Get-Date -Format 'yyyy-MM-dd')"
+}
+
+if ($WhatIf -or $SkipPullRequestCreation) {
+    Write-Host "Skipping pull request creation for Node-Externals submodule"
+}
+else {
+    Write-Host "Creating pull request for Node-Externals submodule"
+    git branch --set-upstream-to=origin/main
+    git push origin $branchName`:$branchName --force;
+    gh repo set-default dotnet/Node-Externals
+    gh pr create --base main --head "infrastructure/update-npm-package-cache-$(Get-Date -Format 'yyyy-MM-dd')" --title "[Infrastructure] Updated npm package cache $(Get-Date -Format 'yyyy-MM-dd')" --body ""
+}
+
+## Navigate to the root of the repository
+## Checkout a branch named infrastructure/update-npm-package-cache-<date>
+## Stage the changes in the folder
+## Commit the changes with the message "Updated npm package cache <date>"
+## Use the GH CLI to create a PR for the branch in the origin remote
+Pop-Location
+if(-not $WhatIf) {
+    git branch -D $branchName 2>$null
+    git checkout -b $branchName
+    git add .
+    git commit -m "Updated npm package cache $(Get-Date -Format 'yyyy-MM-dd')"
+}
+
+if ($WhatIf -or $SkipPullRequestCreation) {
+    Write-Host "Skipping pull request creation for the root of the repository"
+}
+else {
+    Write-Host "Creating pull request for the root of the repository"
+    git branch --set-upstream-to=origin/main
+    git push origin $branchName`:$branchName --force;
+    gh repo set-default dotnet/aspnetcore
+    gh pr create --base main --head $branchName --title "[Infrastructure] Updated npm package cache $(Get-Date -Format 'yyyy-MM-dd')" --body ""
+}