fix(ui-alerts,console): correct Alert live-region role warning and fix console log messages

INSTUI-5131

Author: ToMESSKa

packages/console/src/console.ts

@@ -56,11 +56,16 @@ function logMessage(
   message: string,
   ...args: unknown[]
 ) {
-  const isGitHubPullRequestPreview =
-    typeof process !== 'undefined' &&
-    process?.env?.GITHUB_PULL_REQUEST_PREVIEW === 'true'
-  const isNonProdBuild =
-    typeof process !== 'undefined' && process?.env?.NODE_ENV !== 'production'
+  let isNonProdBuild = false
+  let isGitHubPullRequestPreview = false
+  try {
+    isNonProdBuild = process?.env?.NODE_ENV !== 'production'
+    isGitHubPullRequestPreview =
+      process?.env?.GITHUB_PULL_REQUEST_PREVIEW === 'true'
+  } catch {
+    isNonProdBuild = false
+    isGitHubPullRequestPreview = false
+  }
   if ((isGitHubPullRequestPreview || isNonProdBuild) && !condition) {
     if (typeof console[level] === 'function') {
       const renderStack = withRenderStack ? getRenderStack() : ''

packages/ui-alerts/src/Alert/v2/index.tsx

@@ -153,9 +153,13 @@ class Alert extends Component<AlertProps, AlertState> {
   }
 
   initLiveRegion(liveRegion: Element) {
+    const expectedRole =
+      this.props.liveRegionPoliteness === 'assertive' ? 'alert' : 'status'
+    const currentRole = liveRegion.getAttribute('role')
+
     error(
-      liveRegion.getAttribute('role') === 'alert',
-      `[Alert] live region must have role='alert' set on page load in order to announce content`
+      currentRole === null || currentRole === expectedRole,
+      `[Alert] live region has role='${currentRole}', which does not match liveRegionPoliteness='${this.props.liveRegionPoliteness}'. Use role='${expectedRole}' or remove the role attribute.`
     )
 
     if (liveRegion) {