ci: add automated test publishing on push

Update the npm-publish workflow to trigger on all branch pushes and
publish test versions to npm with a 'test' tag. This includes a new
helper script to calculate unique pre-release versions based on the
branch name and existing registry versions.

Author: hebertcisco

.github/workflows/npm-publish.yml

@@ -3,6 +3,10 @@ name: Node.js build and publish package
 on:
   release:
     types: [ created ]
+  push:
+    branches:
+      - '**'
+  workflow_dispatch:
 
 jobs:
   build:
@@ -24,6 +28,27 @@ jobs:
           node-version: 20
           registry-url: https://registry.npmjs.org/
       - run: npm i
-      - run: npm publish
+      
+      - name: Publish Release
+        if: github.event_name == 'release'
+        run: npm publish
         env:
-          NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}
+          NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}
+
+      - name: Publish Test Version
+        if: github.event_name == 'push' || github.event_name == 'workflow_dispatch'
+        env:
+          NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}
+        run: |
+          BRANCH_NAME=${GITHUB_REF#refs/heads/}
+          echo "Branch: $BRANCH_NAME"
+          
+          # Determine the new version
+          NEW_VERSION=$(node scripts/bump-version.js "$BRANCH_NAME")
+          echo "New Version: $NEW_VERSION"
+          
+          # Set the version in package.json
+          npm version $NEW_VERSION --no-git-tag-version
+          
+          # Publish with 'test' tag
+          npm publish --tag test

scripts/bump-version.js

@@ -0,0 +1,43 @@
+const { execSync } = require('child_process');
+const packageJson = require('../package.json');
+
+const branchName = process.argv[2];
+if (!branchName) {
+  console.error('Branch name is required');
+  process.exit(1);
+}
+
+const sanitizedBranch = branchName.replace(/[^a-zA-Z0-9]/g, '-').replace(/^-+|-+$/g, '');
+const baseVersion = packageJson.version;
+const versionPrefix = `${baseVersion}-${sanitizedBranch}`;
+
+console.error(`Prefix: ${versionPrefix}`);
+
+let versions = [];
+try {
+  const stdout = execSync(`npm view ${packageJson.name} versions --json`, { stdio: ['pipe', 'pipe', 'ignore'] }).toString();
+  versions = JSON.parse(stdout);
+  if (!Array.isArray(versions)) {
+    versions = [versions];
+  }
+} catch (e) {
+  console.error('Package not found or no versions. Starting from 1.');
+}
+
+let maxIncrement = 0;
+
+versions.forEach(v => {
+  if (v.startsWith(versionPrefix)) {
+    const suffix = v.slice(versionPrefix.length);
+    if (suffix.startsWith('.')) {
+      const numStr = suffix.substring(1);
+      const num = parseInt(numStr, 10);
+      if (!isNaN(num) && num > maxIncrement) {
+        maxIncrement = num;
+      }
+    }
+  }
+});
+
+const nextVersion = `${versionPrefix}.${maxIncrement + 1}`;
+console.log(nextVersion);