Fix JS dependencies bundler's settings (widgets work in other noteboo…

…k frontends) (#31)

Signed-off-by: Christian Biasuzzi <christian.biasuzzi@soft.it>

esbuild.mjs

@@ -0,0 +1,14 @@
+import esbuild from "esbuild";
+
+esbuild.build({
+  entryPoints: ["js/*.ts", "js/*.jsx"],
+  bundle: true,
+  minify: true,
+  target: ["es2020"],
+  outdir: "src/pypowsybl_jupyter/static/",
+  format: "esm",
+  // Ref. https://github.com/powsybl/pypowsybl-jupyter/issues/30, https://github.com/manzt/anywidget/issues/506 and https://github.com/manzt/anywidget/issues/369#issuecomment-1792376003
+  define: {
+    "define.amd": "false",
+  },
+});

package.json

@@ -19,7 +19,7 @@
 	},
 	"scripts": {
 		"dev": "npm run build -- --sourcemap=inline --watch",
-		"build": "esbuild js/*.ts js/*.jsx --minify --format=esm --bundle --outdir=src/pypowsybl_jupyter/static",
+		"build": "node ./esbuild.mjs",
 		"typecheck": "tsc --noEmit",
 		"lint": "eslint . --ext js,ts,jsx --max-warnings 0"
 	},