Improve Solid libraries config handling

.changeset/dull-moles-sell.md

@@ -0,0 +1,5 @@
+---
+'@astrojs/solid-js': patch
+---
+
+Improve third-party solid packages config handling

packages/integrations/solid/package.json

@@ -32,7 +32,8 @@
     "dev": "astro-scripts dev \"src/**/*.ts\""
   },
   "dependencies": {
-    "babel-preset-solid": "^1.4.2"
+    "babel-preset-solid": "^1.4.2",
+    "vitefu": "^0.1.0"
   },
   "devDependencies": {
     "astro": "workspace:*",

packages/integrations/solid/src/dependencies.ts

@@ -1,55 +1,26 @@
-// This file is a fork of vite-plugin-solid.
-// Original: https://github.com/solidjs/vite-plugin-solid/blob/03130c8a0a2ceaab9a07e16f1e1df832b996e1b8/src/index.ts#L251-L297
-// License: MIT (https://github.com/solidjs/vite-plugin-solid/blob/03130c8a0a2ceaab9a07e16f1e1df832b996e1b8/package.json#L38)
-
-import fs from 'fs';
-import { createRequire } from 'module';
-import path from 'path';
 import { fileURLToPath } from 'url';
+import { crawlFrameworkPkgs } from 'vitefu';
+
+export async function getSolidPkgsConfig(root: URL, isBuild: boolean) {
+	return await crawlFrameworkPkgs({
+		root: fileURLToPath(root),
+		isBuild,
+		isFrameworkPkgByJson(pkgJson) {
+			return containsSolidField(pkgJson.exports || {});
+		},
+	});
+}
 
+// Reference vite-plugin-solid heuristic
+// https://github.com/solidjs/vite-plugin-solid/blob/5558486b0c63788e1275244256918f80294a8338/src/index.ts#L251-L259
+// License: MIT (https://github.com/solidjs/vite-plugin-solid/blob/5558486b0c63788e1275244256918f80294a8338/package.json#L38)
 function containsSolidField(fields: Record<string, any>) {
 	const keys = Object.keys(fields);
 	for (let i = 0; i < keys.length; i++) {
 		const key = keys[i];
 		if (key === 'solid') return true;
-		if (typeof fields[key] === 'object' && containsSolidField(fields[key])) return true;
+		if (typeof fields[key] === 'object' && fields[key] != null && containsSolidField(fields[key]))
+			return true;
 	}
 	return false;
 }
-
-export function getSolidDeps(root: URL) {
-	const pkgPath = path.join(fileURLToPath(root), 'package.json');
-	if (!fs.existsSync(pkgPath)) {
-		// eslint-disable-next-line no-console
-		console.log('No package.json found at project root');
-		return [];
-	}
-	const require = createRequire(pkgPath);
-	const pkg = JSON.parse(fs.readFileSync(pkgPath, 'utf-8'));
-	const deps = [...Object.keys(pkg.dependencies || {}), ...Object.keys(pkg.devDependencies || {})];
-	const pkgs = deps.map((dep) => {
-		try {
-			return require(`${dep}/package.json`);
-		} catch {
-			try {
-				let dir = path.dirname(require.resolve(dep));
-				while (dir) {
-					const subPkgPath = path.join(dir, 'package.json');
-					if (fs.existsSync(subPkgPath)) {
-						const subPkg = JSON.parse(fs.readFileSync(subPkgPath, 'utf-8'));
-						if (subPkg && subPkg.name === dep) return subPkg;
-					}
-					const parent = path.dirname(dir);
-					if (parent === dir) {
-						break;
-					}
-					dir = parent;
-				}
-			} catch {}
-		}
-	});
-	return deps.reduce<string[]>((acc, dep, i) => {
-		if (pkgs[i] && pkgs[i].exports && containsSolidField(pkgs[i].exports)) acc.push(dep);
-		return acc;
-	}, []);
-}

packages/integrations/solid/src/index.ts

@@ -1,5 +1,5 @@
 import type { AstroIntegration, AstroRenderer } from 'astro';
-import { getSolidDeps } from './dependencies.js';
+import { getSolidPkgsConfig } from './dependencies.js';
 
 function getRenderer(): AstroRenderer {
 	return {
@@ -24,10 +24,11 @@ function getRenderer(): AstroRenderer {
 	};
 }
 
-function getViteConfiguration(isDev: boolean, root: URL) {
+async function getViteConfiguration(isDev: boolean, root: URL) {
 	// https://github.com/solidjs/vite-plugin-solid
 	// We inject the dev mode only if the user explicitely wants it or if we are in dev (serve) mode
 	const nestedDeps = ['solid-js', 'solid-js/web', 'solid-js/store', 'solid-js/html', 'solid-js/h'];
+	const solidPkgsConfig = await getSolidPkgsConfig(root, !isDev);
 	return {
 		/**
 		 * We only need esbuild on .ts or .js files.
@@ -40,13 +41,13 @@ function getViteConfiguration(isDev: boolean, root: URL) {
 			alias: [{ find: /^solid-refresh$/, replacement: '/@solid-refresh' }],
 		},
 		optimizeDeps: {
-			include: nestedDeps,
-			exclude: ['@astrojs/solid-js/server.js'],
+			include: [...nestedDeps, ...solidPkgsConfig.optimizeDeps.include],
+			exclude: ['@astrojs/solid-js/server.js', ...solidPkgsConfig.optimizeDeps.exclude],
 		},
 		ssr: {
-			external: ['babel-preset-solid'],
 			target: 'node',
-			noExternal: ['solid-js', ...getSolidDeps(root)],
+			external: ['babel-preset-solid', ...solidPkgsConfig.ssr.external],
+			noExternal: ['solid-js', ...solidPkgsConfig.ssr.noExternal],
 		},
 	};
 }
@@ -55,9 +56,9 @@ export default function (): AstroIntegration {
 	return {
 		name: '@astrojs/solid-js',
 		hooks: {
-			'astro:config:setup': ({ command, addRenderer, updateConfig, config }) => {
+			'astro:config:setup': async ({ command, addRenderer, updateConfig, config }) => {
 				addRenderer(getRenderer());
-				updateConfig({ vite: getViteConfiguration(command === 'dev', config.root) });
+				updateConfig({ vite: await getViteConfiguration(command === 'dev', config.root) });
 			},
 		},
 	};