Merge pull request #173 from jupyterlab/fix/binder

Fix binder

Author: jtpio

environment.yml

@@ -2,7 +2,7 @@ name: jupyterlab-extension-examples
 channels:
   - conda-forge
 dependencies:
-  - jupyter-packaging>=0.7.9,<0.8.0
+  - jupyter-packaging>=0.10.0,<2
   - jupyterlab=3
   - nodejs
   - pytest

package.json

@@ -7,7 +7,7 @@
     "build-ext": "lerna run build:all",
     "clean-ext": "lerna run clean",
     "embedme": "embedme \"[!n]*/**/README.md\"",
-    "install-py": "lerna exec --concurrency 4 -- python -m pip install -e .",
+    "install-py": "lerna exec --concurrency 4 -- python -m pip install . --use-feature=in-tree-build",
     "install-ext": "lerna run install:extension",
     "lint": "jlpm && jlpm run prettier",
     "lint:check": "jlpm run embedme --verify && jlpm run prettier:check",

postBuild

@@ -1,5 +1,4 @@
 jlpm
-jlpm build-ext
-jlpm install-ext
-jlpm build-jlab
-
+python -m pip install -U pip
+jlpm run install-py
+jupyter serverextension enable jlab_ext_example