Update example/r-fullstack-melange

- Use opam instead of esy, following Melange.
- Use new Dune build integration.

Fixes #293.

example/r-fullstack-melange/.gitignore

@@ -1,12 +1,6 @@
-# npm.
-node_modules/
-
-# Melange, Dune.
+# Dune.
 _build/
-_esy/
-.melange.eobjs/
-dune.bsb
-/dune
 
 # esbuild.
+node_modules/
 static/

example/r-fullstack-melange/README.md

@@ -65,8 +65,13 @@ let () = {
 
 To run, do
 
-<pre><code><b>npm install
-npm start
+<pre><code><b>$ cd example/w-fullstack-melange
+$ opam install --deps-only --yes .
+$ npm install esbuild --no-save
+$ dune build --root . @melange
+$ mkdir -p static
+$ npx esbuild _build/default/client/client/client/client.js --bundle --outfile=static/client.js
+$ dune exec server/server.exe
 </b></code></pre>
 
 Then visit [http://localhost:8080](http://localhost:8080), and you will see...
@@ -82,13 +87,13 @@ example in OCaml syntax.
 
 **See also:**
 
-- [**`w-esy`**](../w-esy#files) details the server's [esy](https://esy.sh/)
-  packaging.
 - [**`w-watch`**](../w-fswatch#files) sets up a development watcher.
 - [**`w-one-binary`**](../w-one-binary#files) bundles assets into a
   self-contained binary.
 - [**`7-template`**](../7-template#files) discusses the templater, including
   security. The example is in OCaml syntax.
+- [**`r-template`**](../r-template#files) the code of the template example in
+  Reason syntax.
 
 <br>
 

example/r-fullstack-melange/client/client.re

@@ -10,7 +10,7 @@ let () = {
     let text = Common.greet(`Client);
 
     let p = document |> Document.createElement("p");
-    p->Element.setInnerText(text);
+    Element.setInnerText(p, text);
     body |> Element.appendChild(p);
   }
 };

example/r-fullstack-melange/client/dune

@@ -0,0 +1,4 @@
+(melange.emit
+ (target client)
+ (preprocess (pps melange.ppx))
+ (libraries common melange-webapi))

example/r-fullstack-melange/common/dune

@@ -1,2 +1,3 @@
 (library
- (name common))
+ (name common)
+ (modes best melange))

example/r-fullstack-melange/dune-project

@@ -1,2 +1,2 @@
-(lang dune 2.7)
-(using action-plugin 0.1)
+(lang dune 3.8)
+(using melange 0.1)

example/r-fullstack-melange/r-fullstack-melange.opam

@@ -0,0 +1,10 @@
+opam-version: "2.0"
+
+depends: [
+  "ocaml"
+  "dream"
+  "dune" {>= "3.8.0"}
+  "melange" {>= "2.0.0"}
+  "melange-webapi"
+  "reason" {>= "3.10.0"}
+]