ci: add script to prune package.json for release

.github/workflows/release.yml

@@ -4,7 +4,7 @@ on:
       - "v*"
 
 jobs:
-  build:
+  release:
     runs-on: ubuntu-latest
     permissions:
       contents: read
@@ -15,19 +15,23 @@ jobs:
         with:
           node-version: "20.x"
           registry-url: "https://registry.npmjs.org"
-      - name: Build
-        run: |
-          npm install
-          npm run build:docs & npm run build:lib
+      
+      - name: Install dependencies
+        run: npm install
+          
+      - name: Build docs and library
+        run: npm run build:docs & npm run build:lib
+
+      - name: Prune package.json
+        run: node scripts/build-package.js
+
       - name: Publish package (stable)
         if: ${{ ! contains(github.ref, '-next') }}
         env:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_AUTH_TOKEN }}
-
-        # Currently, only npm supports publishing packages with provenance
-        # https://docs.npmjs.com/generating-provenance-statements
         run: |
           npm publish --provenance --access public
+      
       - name: Publish package (next)
         if: ${{ contains(github.ref, '-next') }}
         env:

scripts/build-package.js

@@ -0,0 +1,26 @@
+const fs = require("node:fs");
+const path = require("node:path");
+
+const packagePath = path.join(process.cwd(), "package.json");
+const package = JSON.parse(fs.readFileSync(packagePath, "utf8"));
+
+const keys_to_remove = ["prettier", "standard-version", "devDependencies"];
+const scripts_to_keep = ["postinstall"];
+
+for (const key of keys_to_remove) {
+  delete package[key];
+}
+
+if (package.scripts) {
+  const preserved_scripts = {};
+
+  for (const script of scripts_to_keep) {
+    if (package.scripts[script]) {
+      preserved_scripts[script] = package.scripts[script];
+    }
+  }
+  
+  package.scripts = preserved_scripts;
+}
+
+fs.writeFileSync(packagePath, JSON.stringify(package, null, 2) + "\n");