Upgrade action to Node.js 24

.github/workflows/test.yml

@@ -12,7 +12,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version-file: package.json
+          node-version: "24"
       - run: npm ci
       - run: npm run test
       - run: npm run check

action.yml

@@ -63,7 +63,7 @@ inputs:
     default: "false"
 
 runs:
-  using: "node20"
+  using: "node24"
   main: "lib/main.js"
 branding:
   icon: "git-merge"

lib/action.js

@@ -76,9 +76,13 @@ function main() {
         const currentBranch = (0, utils_1.getBranchFromRef)(GITHUB_REF);
         const isReleaseBranch = releaseBranches
             .split(',')
+            .map((b) => b.trim())
+            .filter(Boolean)
             .some((branch) => currentBranch.match(branch));
         const isPreReleaseBranch = preReleaseBranches
             .split(',')
+            .map((b) => b.trim())
+            .filter(Boolean)
             .some((branch) => currentBranch.match(branch));
         const isPrerelease = !isReleaseBranch && isPreReleaseBranch;
         // Sanitize identifier according to

lib/utils.js

@@ -64,7 +64,18 @@ function getCommits(baseRef, headRef) {
 }
 exports.getCommits = getCommits;
 function getBranchFromRef(ref) {
-    return ref.replace('refs/heads/', '');
+    if (ref.startsWith('refs/heads/')) {
+        return ref.slice('refs/heads/'.length);
+    }
+    // GitHub Actions on pull_request events set GITHUB_REF to `refs/pull/<num>/{merge,head}`.
+    // Returning the raw ref leaks slashes into the "branch" identifier, which later becomes part
+    // of the prerelease identifier and can produce surprising versions like
+    // `1.2.3-refs-pull-123-merge.0`. Provide a stable, semver-safe identifier instead.
+    const prMatch = ref.match(/^refs\/pull\/(\d+)\/(merge|head)$/);
+    if (prMatch) {
+        return `pr-${prMatch[1]}`;
+    }
+    return ref;
 }
 exports.getBranchFromRef = getBranchFromRef;
 function isPr(ref) {