Move npm publish to separate workflow

- Create npm.yml with dedicated "Publish to npm" workflow
- Add dry_run option for testing without actual publish
- Add provenance support for npm publish
- Remove npm publish from ci.yml (now in separate workflow)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: sipemu

.github/workflows/ci.yml

@@ -7,13 +7,6 @@ on:
     branches: [main, master]
   release:
     types: [published]
-  workflow_dispatch:
-    inputs:
-      publish_npm:
-        description: 'Publish to npm'
-        required: false
-        type: boolean
-        default: false
 
 env:
   CARGO_TERM_COLOR: always
@@ -121,36 +114,3 @@ jobs:
         env:
           CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}
 
-  publish-npm:
-    name: Publish to npm
-    runs-on: ubuntu-latest
-    needs: [test, clippy, fmt, docs, build-wasm]
-    if: github.event_name == 'release' || (github.event_name == 'workflow_dispatch' && inputs.publish_npm)
-    steps:
-      - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@stable
-        with:
-          targets: wasm32-unknown-unknown
-      - uses: Swatinem/rust-cache@v2
-      - name: Install wasm-pack
-        run: curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
-      - name: Build WASM package
-        run: |
-          cd crates/anofox-statistics-js
-          wasm-pack build --target web --out-dir pkg
-      - name: Update package.json for npm
-        run: |
-          cd crates/anofox-statistics-js/pkg
-          # Update package name to 'anofox-statistics' for npm
-          jq '.name = "anofox-statistics" | .homepage = "https://github.com/sipemu/anofox-statistics-rs" | .keywords += ["t-test", "shapiro-wilk", "anova", "mann-whitney", "wilcoxon", "chi-squared", "webassembly"]' package.json > package.json.tmp
-          mv package.json.tmp package.json
-      - uses: actions/setup-node@v4
-        with:
-          node-version: '20'
-          registry-url: 'https://registry.npmjs.org'
-      - name: Publish to npm
-        run: |
-          cd crates/anofox-statistics-js/pkg
-          npm publish --access public
-        env:
-          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}

.github/workflows/npm.yml

@@ -0,0 +1,84 @@
+name: Publish to npm
+
+on:
+  release:
+    types: [published]
+  workflow_dispatch:
+    inputs:
+      dry_run:
+        description: 'Dry run (skip actual publish)'
+        required: false
+        default: true
+        type: boolean
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build-wasm:
+    name: Build WebAssembly
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Rust
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: wasm32-unknown-unknown
+
+      - name: Install wasm-pack
+        run: cargo install wasm-pack
+
+      - name: Build WASM package
+        run: wasm-pack build crates/anofox-statistics-js --target web --release
+
+      - name: Update package.json for npm
+        run: |
+          cd crates/anofox-statistics-js/pkg
+          jq '.name = "anofox-statistics" | .homepage = "https://github.com/sipemu/anofox-statistics-rs" | .keywords += ["t-test", "shapiro-wilk", "anova", "mann-whitney", "wilcoxon", "chi-squared", "webassembly"]' package.json > package.json.tmp
+          mv package.json.tmp package.json
+
+      - name: Copy README
+        run: cp crates/anofox-statistics-js/README.md crates/anofox-statistics-js/pkg/
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: wasm-package
+          path: crates/anofox-statistics-js/pkg/
+          retention-days: 1
+
+  publish-npm:
+    name: Publish to npm
+    needs: [build-wasm]
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      id-token: write
+    steps:
+      - name: Download artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: wasm-package
+          path: pkg
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          registry-url: 'https://registry.npmjs.org'
+
+      - name: List package contents
+        run: ls -la pkg/
+
+      - name: Publish (dry run)
+        if: github.event_name == 'workflow_dispatch' && inputs.dry_run
+        run: npm publish pkg/ --dry-run
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+
+      - name: Publish
+        if: github.event_name == 'release' || (github.event_name == 'workflow_dispatch' && !inputs.dry_run)
+        run: npm publish pkg/ --provenance --access public
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}