Misc improvements

.github/workflows/build.yml

@@ -18,11 +18,25 @@ jobs:
         uses: actions/checkout@v4
 
       - name: install-nix
-        uses: DeterminateSystems/nix-installer-action@v15
+        uses: DeterminateSystems/nix-installer-action@v16
+
+      - name: gen-plan-json
+        id: gen-plan-json
+        run: |
+          nix develop --command bash -c 'cd frontend && wasm32-wasi-cabal update && wasm32-wasi-cabal build ghc-wasm-reflex-examples --dry-run && echo WASM32_WASI_GHC=$(which wasm32-wasi-ghc) >> $GITHUB_OUTPUT'
+
+      - name: cabal-cache
+        uses: actions/cache@v4
+        with:
+          key: nix-${{ hashFiles('dist-newstyle/cache/plan.json') }}
+          restore-keys: nix-
+          path: |
+            ~/.ghc-wasm/.cabal/store
+            dist-newstyle
 
       - name: build-frontend
         run: |
-          nix develop --command bash -c "cd frontend && wasm32-wasi-cabal update && exec ./build.sh --debuginfo --low-memory-unused --converge --gufa --flatten --rereloop -Oz"
+          nix develop --command bash -c "cd frontend && exec ./build.sh --low-memory-unused --converge --gufa --flatten --rereloop -Oz"
 
   ghcup-build:
     name: ghcup-build
@@ -56,15 +70,33 @@ jobs:
           ghcup config add-release-channel https://raw.githubusercontent.com/haskell/ghcup-metadata/develop/ghcup-cross-0.0.8.yaml
           ghcup install ghc --set wasm32-wasi-9.10.1.20241021 -- $CONFIGURE_ARGS
 
-      - name: build-frontend
+      - name: gen-plan-json
         run: |
           cd frontend
           cabal \
             --with-compiler=wasm32-wasi-ghc \
             --with-hc-pkg=wasm32-wasi-ghc-pkg \
             --with-hsc2hs=wasm32-wasi-hsc2hs \
             update
-          ./build.sh --debuginfo --low-memory-unused --converge --gufa --flatten --rereloop -Oz
+          cabal \
+            --with-compiler=wasm32-wasi-ghc \
+            --with-hc-pkg=wasm32-wasi-ghc-pkg \
+            --with-hsc2hs=wasm32-wasi-hsc2hs \
+            build ghc-wasm-reflex-examples --dry-run
+
+      - name: cabal-cache
+        uses: actions/cache@v4
+        with:
+          key: ghcup-${{ hashFiles('dist-newstyle/cache/plan.json') }}
+          restore-keys: ghcup-
+          path: |
+            ~/.local/state/cabal/store
+            dist-newstyle
+
+      - name: build-frontend
+        run: |
+          cd frontend
+          ./build.sh --low-memory-unused --converge --gufa --flatten --rereloop -Oz
 
   non-nix-build:
     name: non-nix-build
@@ -93,10 +125,24 @@ jobs:
         env:
           FLAVOUR: '9.10'
 
+      - name: gen-plan-json
+        run: |
+          cd frontend
+          wasm32-wasi-cabal build ghc-wasm-reflex-examples --dry-run
+
+      - name: cabal-cache
+        uses: actions/cache@v4
+        with:
+          key: vanilla-${{ hashFiles('dist-newstyle/cache/plan.json') }}
+          restore-keys: vanilla-
+          path: |
+            ~/.ghc-wasm/.cabal/store
+            dist-newstyle
+
       - name: build-frontend
         run: |
           cd frontend
-          ./build.sh --debuginfo --low-memory-unused --converge --gufa --flatten --rereloop -Oz
+          ./build.sh --low-memory-unused --converge --gufa --flatten --rereloop -Oz
 
       - name: upload-pages-artifact
         uses: actions/upload-pages-artifact@v3

cabal.project

@@ -1,6 +1,6 @@
 packages: . reflex-todomvc
 
-index-state: 2024-11-11T12:54:21Z
+index-state: 2024-11-15T08:25:42Z
 
 if arch(wasm32)
   -- Required for TemplateHaskell. When using wasm32-wasi-cabal from

frontend/build.sh

@@ -37,7 +37,7 @@ hs_wasm_path=$(find .. -name "*.wasm")
 if $dev_mode; then
     cp "$hs_wasm_path" dist/bin.wasm
 else
-    wizer --allow-wasi --wasm-bulk-memory true --init-func _initialize -o dist/bin.wasm "$hs_wasm_path"
+    env -i GHCRTS=-H64m "$(type -P wizer)" --allow-wasi --wasm-bulk-memory true --inherit-env true --init-func _initialize -o dist/bin.wasm "$hs_wasm_path"
     wasm-opt ${1+"$@"} dist/bin.wasm -o dist/bin.wasm
     wasm-tools strip -o dist/bin.wasm dist/bin.wasm
 fi

frontend/index.js

@@ -2,7 +2,7 @@ import { WASI, OpenFile, File, ConsoleStdout } from "https://cdn.jsdelivr.net/np
 import ghc_wasm_jsffi from "./ghc_wasm_jsffi.js";
 
 const args = [];
-const env = [];
+const env = ["GHCRTS=-H64m"];
 const fds = [
   new OpenFile(new File([])), // stdin
   ConsoleStdout.lineBuffered((msg) => console.log(`[WASI stdout] ${msg}`)),