Add skeleton for Firebase function

Author: NickHu

.gitignore

@@ -7,6 +7,8 @@ target
 result
 # Firebase cache
 .firebase/
+node_modules
+ui-debug.log
 # Compiled site
 dist
 

Cargo.lock

@@ -1,12 +1,13 @@
 [workspace]
 members = [
-  "homotopy-core",
+  "homotopy-cli",
   "homotopy-common",
-  "homotopy-model",
+  "homotopy-core",
   "homotopy-gl",
   "homotopy-graphics",
+  "homotopy-model",
+  "homotopy-server",
   "homotopy-web",
-  "homotopy-cli",
 ]
 
 [profile.release]

Cargo.toml

@@ -27,6 +27,17 @@ mkdir -p dist
 cp -f $(nix build .#highs --no-link --print-out-paths --extra-experimental-features flakes --extra-experimental-features nix-command)/highs.{js,wasm} dist/
 '''
 
+[tasks.build-server]
+script = '''
+mkdir -p homotopy-server/dist
+cargo build -p homotopy-server --target wasm32-unknown-unknown --profile ${CARGO_MAKE_CARGO_PROFILE}
+wasm-bindgen --out-dir homotopy-server/dist --no-typescript --target nodejs target/wasm32-unknown-unknown/${TARGET_SUBDIRECTORY}/homotopy_server.wasm
+'''
+
+[tasks.build-server-watch]
+run_task = { name = ["build-server"] }
+watch = { watch = ["homotopy-server/src", "homotopy-server/Cargo.toml"] }
+
 [tasks.dist-static]
 script = '''
 mkdir -p dist
@@ -78,5 +89,17 @@ args = [
   "emulators:start"
 ]
 
+[tasks.firebase-emulator-functions]
+command = "firebase"
+args = [
+  "emulators:start",
+  "--only",
+  "functions"
+]
+watch = { watch = ["homotopy-server/dist"] }
+
 [tasks.serve]
 run_task = { name = ["build-highs", "dist-static-watch", "build-wasm-watch", "devserver"], fork = true, parallel = true }
+
+[tasks.emulate-server]
+run_task = { name = ["build-server-watch", "firebase-emulator-functions"], fork = true, parallel = true }

Makefile.toml

@@ -1,4 +1,7 @@
 {
+  "functions": {
+    "source": "homotopy-server/js"
+  },
   "hosting": {
     "target": "homotopy-rs",
     "public": "result",