Fixing lerna setup

package.json

@@ -14,9 +14,11 @@
     },
     "license": "BSD-3-Clause",
     "author": "JupyterLite Contributors",
-    "workspaces": [
-        "packages/*"
-    ],
+    "workspaces": {
+        "packages": [
+            "packages/*"
+        ]
+    },
     "repository": {
         "type": "git",
         "url": "https://github.com/jupyterlite/xeus.git"

pyproject.toml

@@ -71,12 +71,13 @@ source_dir = "src"
 build_dir = "jupyterlite_xeus/labextension"
 
 [tool.jupyter-releaser.options]
-version_cmd = "hatch version"
+version_cmd = "python ./scripts/bump_version.py"
 
 [tool.jupyter-releaser.hooks]
+before-bump-version = ["python -m pip install 'jupyterlab>=4.0.0,<5'", "jlpm"]
 before-build-npm = [
     "python -m pip install 'jupyterlab>=4.0.0,<4.3'",
-    "jlpm",
+    "YARN_ENABLE_IMMUTABLE_INSTALLS=0 jlpm",
     "jlpm build:prod"
 ]
 before-build-python = ["jlpm clean:all"]

scripts/bump_version.py

@@ -0,0 +1,30 @@
+import argparse
+import json
+from pathlib import Path
+from subprocess import run
+
+BUMP_VERSION_CMD = "npx lerna version --no-push --force-publish --no-git-tag-version --yes"
+
+
+def main():
+    parser = argparse.ArgumentParser()
+    parser.add_argument("version")
+    args = parser.parse_args()
+    version = args.version
+
+    run(f"{BUMP_VERSION_CMD} {version}", shell=True, check=True)
+
+    root = Path(__file__).parent.parent
+    version_file = root / "packages" / "xeus-extension" / "package.json"
+    package_file = root / "package.json"
+
+    version_json = json.loads(version_file.read_text())
+    version = version_json["version"].replace("-alpha.", "-a").replace("-beta.", "-b").replace("-rc.", "-rc")
+
+    package_json = json.loads(package_file.read_text())
+    package_json["version"] = version
+    package_file.write_text(json.dumps(package_json, indent=4))
+
+
+if __name__ == "__main__":
+    main()