add pages build ci

.github/workflows/build-pages.yaml

@@ -0,0 +1,35 @@
+name: Build Pages
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+on:
+  pull_request:
+  merge_group:
+  push:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: cachix/install-nix-action@v27
+        with:
+          github_access_token: ${{ secrets.GITHUB_TOKEN }}
+      - run: nix develop -c 'just ghpages'
+      - uses: actions/upload-pages-artifact@v3
+        with:
+          path: _site/
+
+  # Deployment job
+  # deploy:
+  #   environment:
+  #     name: github-pages
+  #     url: ${{ steps.deployment.outputs.page_url }}
+  #   runs-on: ubuntu-latest
+  #   needs: build
+  #   steps:
+  #     - name: Deploy to GitHub Pages
+  #       id: deployment
+  #       uses: actions/deploy-pages@v4

.gitignore

@@ -1,2 +1,3 @@
 /target
 /pkg
+/_site

Justfile

@@ -0,0 +1,9 @@
+build *BUILDFLAGS: # pass `--dev --no-opt` for debugging the glue itself
+    wasm-pack build --target=web {{ BUILDFLAGS }}
+
+ghpages: build
+    mkdir _site
+    cp -v *.html _site
+    cp -v *.js _site
+    cp -v *.css _site
+    mv -v pkg _site

flake.nix

@@ -6,10 +6,21 @@
         flake-utils.url = "github:numtide/flake-utils";
     };
 
-    outputs = { self, nixpkgs, flake-utils }: flake-utils.lib.eachDefaultSystem (system: rec {
-        devShells.default = with nixpkgs.legacyPackages.${system}; mkShell {
+    outputs = { self, nixpkgs, flake-utils }: flake-utils.lib.eachDefaultSystem (system:
+    with nixpkgs.legacyPackages.${system};
+    rec {
+        # Run a local development webserver (`nix run`)
+        apps.default = {
+            type = "app";
+            program = let script = writeScript "serve" ''
+                #!${bash}/bin/bash
+                ${miniserve}/bin/miniserve --spa --index index.html .
+            ''; in "${script}";
+        };
+        # Open a development shell (`nix develop`)
+        devShells.default = mkShell {
             buildInputs = [
-                miniserve
+                just
                 wasm-pack
                 wasm-bindgen-cli
                 gcc