feat!: switch from Vuepress to Vitepress

devenv.nix

@@ -1,9 +1,40 @@
-{ pkgs, ... }:
-
-{
-  languages.typescript.enable = true;
-  packages = [ pkgs.nodejs_20 ];
-  scripts.export.exec = ''
-    ${pkgs.emacs}/bin/emacs -Q --script export.el
-  '';
+{ pkgs, ... }: {
+  languages.javascript = {
+    enable = true;
+    npm.enable = false;
+    pnpm.enable = true;
+  };
+  dotenv.enable = true;
+  processes.dev.exec = "pnpm dev";
+  cachix = {
+    push = "phundrak";
+    pull = [
+      "phundrak"
+      "devenv"
+    ];
+  };
+  tasks = {
+    "website:install-deps".exec = "pnpm ci";
+    "website:export-md" = {
+      exec = "${pkgs.emacs}/bin/emacs -Q --script export.el";
+      execIfModified = [ "docs/**/*.org" ];
+    };
+    "website:build" = {
+      exec = "pnpm build";
+      after = [
+        "website:export-md@succeeded"
+        "website:install-deps@succeeded"
+      ];
+    };
+    "website:deploy" = {
+      exec = ''
+        if [[ -z "''${CLOUDFLARE_API_TOKEN:-}" ]]; then
+          echo "Error: CLOUDFLARE_API_TOKEN is not set. Run this in CI only."
+          exit 1
+        fi
+        ${pkgs.wrangler}/bin/wrangler pages deploy
+      '';
+      after = [ "website:build@succeeded" ];
+    };
+  };
 }