docs: move to newest pyodide toolchain

.github/workflows/docs.yml

@@ -38,21 +38,35 @@ jobs:
       uses: actions/cache@v3
       with:
         path: ./awkward-cpp/dist
-        key: ${{ runner.os }}-${{ env.PYTHON_VERSION }}-awkward-cpp-wasm-${{ hashFiles('awkward-cpp/**') }}
+        key: ${{ runner.os }}-${{ env.PYTHON_VERSION }}-awkward-cpp-wasm-${{ hashFiles('awkward-cpp/**') }}-CACHEBUST
+
+    - name: Install dependencies
+      if: steps.cache-awkward-cpp-wasm-wheel.outputs.cache-hit != 'true'
+      run: python3 -m pip install -r docs/requirements-wasm.txt
+
+    - name: Install dependencies
+      if: steps.cache-awkward-cpp-wasm-wheel.outputs.cache-hit != 'true'
+      id: compute-emsdk-version
+      run: |
+        # Prepare xbuild environment (side-effect)
+        pyodide config list
+        # Save EMSDK version
+        EMSCRIPTEN_VERSION=$(pyodide config get emscripten_version)
+        echo "emsdk-version=$EMSCRIPTEN_VERSION" >> $GITHUB_OUTPUT
+      working-directory: awkward-cpp
 
     - name: Install EMSDK
       uses: mymindstorm/setup-emsdk@v12
       if: steps.cache-awkward-cpp-wasm-wheel.outputs.cache-hit != 'true'
       with:
-        version: 3.1.14
+        version: ${{ steps.compute-emsdk-version.outputs.emsdk-version }}
 
     - name: Build wheel
       if: steps.cache-awkward-cpp-wasm-wheel.outputs.cache-hit != 'true'
+      id: build-awkward-cpp-wasm-wheel
       run: |
         # pyodide-build doesn't work out of the box with pipx
-        python3 -m pip install pyyaml pyodide-build==0.21.0
-        export CMAKE_ARGS="-DEMSCRIPTEN=1"
-        pyodide build --exports whole_archive
+        CMAKE_ARGS="-DEMSCRIPTEN=1" pyodide build --exports whole_archive
       working-directory: awkward-cpp
 
     - name: Upload wheel

awkward-cpp/pyproject.toml

@@ -69,3 +69,9 @@ sdist.include = [
     "tests-spec-explicit",
     "tests-cpu-kernels"
 ]
+
+# This activates verbose builds
+cmake.verbose = true
+
+# Display logs at or above this level.
+logging.level = "DEBUG"

docs/requirements-wasm.txt

@@ -0,0 +1 @@
+pyodide-build==0.22.1

docs/requirements.txt

@@ -1,3 +1,7 @@
+# JupyterLite (requires specific pyodide version)
+jupyterlite==0.1.0b18
+jupyterlite-sphinx==0.7.2
+
 sphinx>=4.5.0,<5.0.0
 PyYAML
 black
@@ -9,9 +13,7 @@ sphinx-sitemap
 pydata-sphinx-theme
 myst-nb
 sphinx-external-toc
-jupyterlite-sphinx
 ipyleaflet
-jupyterlite>=0.1.0b12,==0.1.0b16
 
 numpy>=1.13.1
 numba>=0.50.0