diff --git a/cpp/.github/workflows/{% if add_docs %}docs.yaml{% endif %}.jinja b/cpp/.github/workflows/{% if add_docs %}docs.yaml{% endif %}.jinja
index e64030a..9d0305f 100644
--- a/cpp/.github/workflows/{% if add_docs %}docs.yaml{% endif %}.jinja	
+++ b/cpp/.github/workflows/{% if add_docs %}docs.yaml{% endif %}.jinja	
@@ -1,4 +1,5 @@
-name: Docs
+name: Public Docs
+
 on:
   push:
     branches:
diff --git a/cpp/.github/workflows/{% if add_wiki %}wiki.yaml{% endif %}.jinja b/cpp/.github/workflows/{% if add_wiki %}wiki.yaml{% endif %}.jinja
index d5f3b74..8de232b 100644
--- a/cpp/.github/workflows/{% if add_wiki %}wiki.yaml{% endif %}.jinja	
+++ b/cpp/.github/workflows/{% if add_wiki %}wiki.yaml{% endif %}.jinja	
@@ -1,4 +1,4 @@
-name: Publish Docs
+name: Publish Wiki
 
 on:
   push:
diff --git a/cpp/.gitignore.jinja b/cpp/.gitignore.jinja
index 9de3414..cd4b688 100644
--- a/cpp/.gitignore.jinja
+++ b/cpp/.gitignore.jinja
@@ -139,10 +139,13 @@ js/dist
 js/lib
 js/node_modules
 js/*.tgz
+{{module}}/extension
 
 # Jupyter
 .ipynb_checkpoints
 .autoversion
+!{{module}}/extension/{{module}}.json
+!{{module}}/extension/install.json
 {{module}}/nbextension
 {{module}}/labextension
 
diff --git a/js/.github/workflows/{% if add_docs %}docs.yaml{% endif %}.jinja b/js/.github/workflows/{% if add_docs %}docs.yaml{% endif %}.jinja
index 67455f3..be76e32 100644
--- a/js/.github/workflows/{% if add_docs %}docs.yaml{% endif %}.jinja	
+++ b/js/.github/workflows/{% if add_docs %}docs.yaml{% endif %}.jinja	
@@ -1,4 +1,5 @@
-name: Docs
+name: Public Docs
+
 on:
   push:
     branches:
diff --git a/js/.github/workflows/{% if add_wiki %}wiki.yaml{% endif %}.jinja b/js/.github/workflows/{% if add_wiki %}wiki.yaml{% endif %}.jinja
index d5f3b74..8de232b 100644
--- a/js/.github/workflows/{% if add_wiki %}wiki.yaml{% endif %}.jinja	
+++ b/js/.github/workflows/{% if add_wiki %}wiki.yaml{% endif %}.jinja	
@@ -1,4 +1,4 @@
-name: Publish Docs
+name: Publish Wiki
 
 on:
   push:
diff --git a/js/.gitignore.jinja b/js/.gitignore.jinja
index 9de3414..cd4b688 100644
--- a/js/.gitignore.jinja
+++ b/js/.gitignore.jinja
@@ -139,10 +139,13 @@ js/dist
 js/lib
 js/node_modules
 js/*.tgz
+{{module}}/extension
 
 # Jupyter
 .ipynb_checkpoints
 .autoversion
+!{{module}}/extension/{{module}}.json
+!{{module}}/extension/install.json
 {{module}}/nbextension
 {{module}}/labextension
 
diff --git a/js/js/package.json.jinja b/js/js/package.json.jinja
index 3728033..c8b8293 100644
--- a/js/js/package.json.jinja
+++ b/js/js/package.json.jinja
@@ -42,15 +42,15 @@
   "dependencies": {},
   "devDependencies": {
     "@finos/perspective-esbuild-plugin": "^3.2.1",
-    "@playwright/test": "^1.52.0",
-    "@prospective.co/procss": "^0.1.16",
+    "@playwright/test": "^1.54.2",
+    "@prospective.co/procss": "^0.1.17",
     "cpy": "^11.1.0",
-    "esbuild": "^0.25.4",
-    "esbuild-plugin-less": "^1.3.22",
+    "esbuild": "^0.25.5",
+    "esbuild-plugin-less": "^1.3.25",
     "http-server": "^14.1.1",
     "nodemon": "^3.1.10",
     "npm-run-all": "^4.1.5",
-    "prettier": "^3.5.3",
-    "typescript": "^5.8.3"
+    "prettier": "^3.6.2",
+    "typescript": "^5.9.2"
   }
 }
diff --git a/js/pyproject.toml.jinja b/js/pyproject.toml.jinja
index 7d89f5f..51df775 100644
--- a/js/pyproject.toml.jinja
+++ b/js/pyproject.toml.jinja
@@ -1,8 +1,5 @@
 [build-system]
-requires = [
-    "hatchling",
-    "hatch-jupyter-builder",
-]
+requires = ["hatchling", "hatch-js"]
 build-backend="hatchling.build"
 
 [project]
@@ -36,7 +33,7 @@ develop = [
     "bump-my-version",
     "check-manifest",
     "codespell>=2.4,<2.5",
-    "hatch-jupyter-builder",
+    "hatch-js",
     "hatchling",
     "mdformat>=0.7.22,<0.8",
     "mdformat-tables>=1",
@@ -120,22 +117,12 @@ exclude = [
     "/js"
 ]
 
-[tool.hatch.build.hooks.jupyter-builder]
-build-function = "hatch_jupyter_builder.npm_builder"
-ensured-targets = [
-    "{{module}}/extension/cdn/index.js",
-]
-skip-if-exists = [
-    "{{module}}/extension/cdn/index.js",
-]
-dependencies = [
-    "hatch-jupyter-builder",
-]
-
-[tool.hatch.build.hooks.jupyter-builder.build-kwargs]
+[tool.hatch.build.hooks.hatch-js]
 path = "js"
+install_cmd = "install"
 build_cmd = "build"
-npm = "pnpm"
+tool = "pnpm"
+targets = ["{{module}}/extension/cdn/index.js"]
 
 [tool.pytest.ini_options]
 addopts = ["-vvv", "--junitxml=junit.xml"]
diff --git a/jupyter/.github/workflows/{% if add_docs %}docs.yaml{% endif %}.jinja b/jupyter/.github/workflows/{% if add_docs %}docs.yaml{% endif %}.jinja
index 67455f3..be76e32 100644
--- a/jupyter/.github/workflows/{% if add_docs %}docs.yaml{% endif %}.jinja	
+++ b/jupyter/.github/workflows/{% if add_docs %}docs.yaml{% endif %}.jinja	
@@ -1,4 +1,5 @@
-name: Docs
+name: Public Docs
+
 on:
   push:
     branches:
diff --git a/jupyter/.github/workflows/{% if add_wiki %}wiki.yaml{% endif %}.jinja b/jupyter/.github/workflows/{% if add_wiki %}wiki.yaml{% endif %}.jinja
index d5f3b74..8de232b 100644
--- a/jupyter/.github/workflows/{% if add_wiki %}wiki.yaml{% endif %}.jinja	
+++ b/jupyter/.github/workflows/{% if add_wiki %}wiki.yaml{% endif %}.jinja	
@@ -1,4 +1,4 @@
-name: Publish Docs
+name: Publish Wiki
 
 on:
   push:
diff --git a/jupyter/.gitignore.jinja b/jupyter/.gitignore.jinja
index 9de3414..cd4b688 100644
--- a/jupyter/.gitignore.jinja
+++ b/jupyter/.gitignore.jinja
@@ -139,10 +139,13 @@ js/dist
 js/lib
 js/node_modules
 js/*.tgz
+{{module}}/extension
 
 # Jupyter
 .ipynb_checkpoints
 .autoversion
+!{{module}}/extension/{{module}}.json
+!{{module}}/extension/install.json
 {{module}}/nbextension
 {{module}}/labextension
 
diff --git a/jupyter/pyproject.toml.jinja b/jupyter/pyproject.toml.jinja
index 5ec584f..629607f 100644
--- a/jupyter/pyproject.toml.jinja
+++ b/jupyter/pyproject.toml.jinja
@@ -1,9 +1,5 @@
 [build-system]
-requires = [
-    "hatchling",
-    "hatch-jupyter-builder",
-    "jupyterlab>=4,<5",
-]
+requires = ["hatchling", "hatch-js", "jupyterlab>=4,<5"]
 build-backend="hatchling.build"
 
 [project]
@@ -38,8 +34,8 @@ develop = [
     "build",
     "bump-my-version",
     "check-manifest",
-    "hatch-jupyter-builder",
     "codespell>=2.4,<2.5",
+    "hatch-js",
     "hatchling",
     "mdformat>=0.7.22,<0.8",
     "mdformat-tables>=1",
@@ -84,6 +80,7 @@ ignore = [
     "js/pnpm-lock.yaml",
     "Makefile",
     ".vscode/*",
+    "{{module}}/extension/**",
     "{{module}}/labextension/**",
     "{{module}}/nbextension/**",
     "docs/**/*",
@@ -132,24 +129,15 @@ exclude = [
 "{{module}}/extension/install.json" = "share/jupyter/labextensions/{{module}}/install.json"
 "{{module}}/extension/{{module}}.json" = "etc/jupyter/jupyter_server_config.d/{{module}}.json"
 
-[tool.hatch.build.hooks.jupyter-builder]
-build-function = "hatch_jupyter_builder.npm_builder"
-ensured-targets = [
-    "{{module}}/nbextension/static/notebook.js",
-    "{{module}}/labextension/package.json",
-]
-skip-if-exists = [
+[tool.hatch.build.hooks.hatch-js]
+path = "js"
+install_cmd = "install"
+build_cmd = "build"
+tool = "pnpm"
+targets = [
     "{{module}}/nbextension/static/notebook.js",
     "{{module}}/labextension/package.json",
 ]
-dependencies = [
-    "hatch-jupyter-builder",
-]
-
-[tool.hatch.build.hooks.jupyter-builder.build-kwargs]
-path = "js"
-build_cmd = "build"
-npm = "pnpm"
 
 [tool.pytest.ini_options]
 addopts = ["-vvv", "--junitxml=junit.xml"]
diff --git a/python/.github/workflows/{% if add_docs %}docs.yaml{% endif %}.jinja b/python/.github/workflows/{% if add_docs %}docs.yaml{% endif %}.jinja
index e64030a..9d0305f 100644
--- a/python/.github/workflows/{% if add_docs %}docs.yaml{% endif %}.jinja	
+++ b/python/.github/workflows/{% if add_docs %}docs.yaml{% endif %}.jinja	
@@ -1,4 +1,5 @@
-name: Docs
+name: Public Docs
+
 on:
   push:
     branches:
diff --git a/python/.github/workflows/{% if add_wiki %}wiki.yaml{% endif %}.jinja b/python/.github/workflows/{% if add_wiki %}wiki.yaml{% endif %}.jinja
index d5f3b74..8de232b 100644
--- a/python/.github/workflows/{% if add_wiki %}wiki.yaml{% endif %}.jinja	
+++ b/python/.github/workflows/{% if add_wiki %}wiki.yaml{% endif %}.jinja	
@@ -1,4 +1,4 @@
-name: Publish Docs
+name: Publish Wiki
 
 on:
   push:
diff --git a/python/.gitignore.jinja b/python/.gitignore.jinja
index 9de3414..cd4b688 100644
--- a/python/.gitignore.jinja
+++ b/python/.gitignore.jinja
@@ -139,10 +139,13 @@ js/dist
 js/lib
 js/node_modules
 js/*.tgz
+{{module}}/extension
 
 # Jupyter
 .ipynb_checkpoints
 .autoversion
+!{{module}}/extension/{{module}}.json
+!{{module}}/extension/install.json
 {{module}}/nbextension
 {{module}}/labextension
 
diff --git a/rust/.github/workflows/{% if add_docs %}docs.yaml{% endif %}.jinja b/rust/.github/workflows/{% if add_docs %}docs.yaml{% endif %}.jinja
index dfe01de..9ef1e6a 100644
--- a/rust/.github/workflows/{% if add_docs %}docs.yaml{% endif %}.jinja	
+++ b/rust/.github/workflows/{% if add_docs %}docs.yaml{% endif %}.jinja	
@@ -1,4 +1,5 @@
-name: Docs
+name: Public Docs
+
 on:
   push:
     branches:
diff --git a/rust/.github/workflows/{% if add_wiki %}wiki.yaml{% endif %}.jinja b/rust/.github/workflows/{% if add_wiki %}wiki.yaml{% endif %}.jinja
index d5f3b74..8de232b 100644
--- a/rust/.github/workflows/{% if add_wiki %}wiki.yaml{% endif %}.jinja	
+++ b/rust/.github/workflows/{% if add_wiki %}wiki.yaml{% endif %}.jinja	
@@ -1,4 +1,4 @@
-name: Publish Docs
+name: Publish Wiki
 
 on:
   push:
diff --git a/rust/.gitignore.jinja b/rust/.gitignore.jinja
index 9de3414..cd4b688 100644
--- a/rust/.gitignore.jinja
+++ b/rust/.gitignore.jinja
@@ -139,10 +139,13 @@ js/dist
 js/lib
 js/node_modules
 js/*.tgz
+{{module}}/extension
 
 # Jupyter
 .ipynb_checkpoints
 .autoversion
+!{{module}}/extension/{{module}}.json
+!{{module}}/extension/install.json
 {{module}}/nbextension
 {{module}}/labextension