Use TH-enabled build, remove custom miso

.github/workflows/build.yml

@@ -40,14 +40,17 @@ jobs:
           ~/.ghc-wasm/add_to_github_path.sh
           popd
 
+      - name: cabal
+        run: |
+          ghcup config add-release-channel https://raw.githubusercontent.com/haskell/ghcup-metadata/develop/ghcup-prereleases-0.0.8.yaml
+          ghcup install cabal --set 3.15.0.0.2024.10.3
+
       - name: wasm32-wasi-ghc
         run: |
           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 -- $CONFIGURE_ARGS
+          ghcup install ghc --set wasm32-wasi-9.10.1.20241021 -- $CONFIGURE_ARGS
 
-      - name: install-sass
-        run: |
-          npm install -g sass
+      - uses: dw-labs-org/dart-sass-gha@v1
 
       - name: build-frontend
         run: |
@@ -80,9 +83,7 @@ jobs:
         env:
           FLAVOUR: '9.10'
 
-      - name: install-sass
-        run: |
-          npm install -g sass
+      - uses: dw-labs-org/dart-sass-gha@v1
 
       - name: build-frontend
         run: |

README.md

@@ -5,9 +5,8 @@ The GHC wasm backend supports the
 feature, allowing Haskell wasm apps to interop with JavaScript
 seamlessly in the browser. This repo contains a few examples to
 demonstrate this ability, all of which based on the
-[`miso`](https://haskell-miso.org) frontend framework, using an
-unofficial [port](https://github.com/amesgen/miso/tree/remove-th) as
-well as an experimental
+[`miso`](https://haskell-miso.org) frontend framework as well as
+an experimental
 [`jsaddle-wasm`](https://github.com/amesgen/jsaddle-wasm) library
 under the hood.
 
@@ -44,13 +43,15 @@ You can set up the toolchain by either:
   [`ghc-wasm-meta`](https://gitlab.haskell.org/ghc/ghc-wasm-meta#getting-started-without-nix)
   directly to set up ghc head or ghc 9.10
 - Using [`ghcup`](https://www.haskell.org/ghcup/guide/#cross-support)
-  to set up ghc 9.10
+  to set up ghc 9.10 (9.10.1.20241021 or later, with TemplateHaskell support)
+  and cabal >=3.15.
+
+Also install [Sass](https://sass-lang.com/install/).
 
 Then:
 
 ```sh
 source ~/.ghc-wasm/env
-npm install -g sass
 cd frontend
 ./build.sh
 ```

cabal.project

@@ -1,24 +1,22 @@
 packages: . hs2048
 
-index-state: 2024-09-29T15:37:55Z
+index-state: 2024-10-26T13:27:42Z
 
 if arch(wasm32)
+  -- Required for TemplateHaskell. When using wasm32-wasi-cabal from
+  -- ghc-wasm-meta, this is superseded by the global cabal.config.
+  shared: True
+
+  -- https://github.com/haskellari/time-compat/issues/37
+  -- Older versions of time don't build on WASM.
+  constraints: time installed
+  allow-newer: time
+
   -- https://github.com/haskellari/splitmix/pull/73
   source-repository-package
     type: git
     location: https://github.com/amesgen/splitmix
     tag: 5f5b766d97dc735ac228215d240a3bb90bc2ff75
 
-  -- remove TemplateHaskell
-  source-repository-package
-    type: git
-    location: https://github.com/amesgen/miso
-    tag: 27dd5fc80be9d0a3b80a9ecc81ee3401bc610e01
-
-  source-repository-package
-    type: git
-    location: https://github.com/amesgen/jsaddle-wasm
-    tag: be129c788f8ca1ea2e9cc1515397c1a46d02bb41
-
 package aeson
   flags: -ordered-keymap