add a script to help with publishing new versions

publish.sh

@@ -0,0 +1,48 @@
+#!/bin/bash
+#
+# Requires GitHub CLI
+
+set -e  # Exit immediately if any command fails
+
+# Retrieve the version from package.json (using Node.js)
+version=$(node -p "require('./package.json').version")
+if [ -z "$version" ]; then
+  echo "Error: Could not determine version from package.json."
+  exit 1
+fi
+
+echo "Current version from package.json: $version"
+
+# Check that a Git tag already exists that matches the version.
+# Adjust the tag name as needed (e.g., include a "v" prefix) if your repo uses a different convention.
+if ! git tag --list "$version" | grep -q "$version"; then
+  echo "Error: Git tag '$version' does not exist. Please create the tag before releasing."
+  exit 1
+fi
+
+echo "Git tag '$version' found."
+
+# Push the tag to the remote repository
+echo "Pushing the tag '$version' to the remote repository..."
+git push origin "$version"
+
+# Check that a GitHub release for this version does NOT already exist.
+if gh release view "$version" >/dev/null 2>&1; then
+  echo "Error: A GitHub release for version '$version' already exists."
+  exit 1
+fi
+
+echo "No existing GitHub release found for '$version'. Proceeding..."
+
+echo "Building the code artifact..."
+npm install
+npm run build
+
+# Create the GitHub release including the specified asset files.
+# Here main.js, styles.css, and manifest.json (located in the root directory) are attached.
+gh release create "$version" main.js styles.css manifest.json \
+  --title "$version" \
+  --generate-notes \
+  --draft \
+
+echo "GitHub draft release for version '$version' created successfully."