Update dagre 1.1.8 => 2.0.4, fix CJS/ESM build and dev issues

Author: techniq

.changeset/purple-things-count.md

@@ -0,0 +1,5 @@
+---
+'layerchart': patch
+---
+
+chore: Update deps (including dagre from 1.x to 2.x)

docs/vite.config.ts

@@ -13,7 +13,7 @@ export default defineConfig({
 	// which causes "Failed to fetch dynamically imported module" errors
 	// Ref: https://github.com/vitest-dev/vitest/issues/5477
 	optimizeDeps: {
-		include: ['@layerstack/tailwind', '@layerstack/utils', 'svelte-ux', '@dagrejs/dagre']
+		include: ['@layerstack/tailwind', '@layerstack/utils', 'svelte-ux']
 	},
 	plugins: [
 		tailwindcss(),
@@ -98,6 +98,6 @@ export default defineConfig({
 		noExternal: isTest ? undefined : true,
 		// CJS-only packages that fail with "module is not defined" in Vite's ESM
 		// module runner. Externalizing lets Node.js load them natively as CJS.
-		external: ['satori', '@resvg/resvg-js', '@dagrejs/dagre']
+		external: ['satori', '@resvg/resvg-js']
 	}
 });

packages/layerchart/package.json

@@ -60,7 +60,7 @@
   },
   "type": "module",
   "dependencies": {
-    "@dagrejs/dagre": "^1.1.8",
+    "@dagrejs/dagre": "^2.0.4",
     "@layerstack/svelte-actions": "1.0.1-next.18",
     "@layerstack/svelte-state": "0.1.0-next.23",
     "@layerstack/tailwind": "2.0.0-next.21",

packages/layerchart/vite.config.js

@@ -25,16 +25,11 @@ const config = defineConfig({
       'd3-quadtree',
       'memoize',
       'runed',
-      '@dagrejs/dagre',
     ],
   },
   plugins: [sveltekit()],
   ssr: {
     noExternal: true, // https://github.com/AdrianGonz97/refined-cf-pages-action/issues/26#issuecomment-2878397440
-    // @dagrejs/dagre is CJS-only; pre-bundle for SSR to convert to ESM
-    optimizeDeps: {
-      include: ['@dagrejs/dagre'],
-    },
   },
   test: {
     projects: [