From 0f165c97d8e02eb95ac369a21f4ab623896ef0c9 Mon Sep 17 00:00:00 2001
From: Ryan Christian <rchristian@ryanchristian.dev>
Date: Sat, 16 Mar 2024 07:17:56 -0500
Subject: [PATCH 1/4] refactor: Use ESBuild in prod if a user doesn't require
 Babel

---
 src/index.ts | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/index.ts b/src/index.ts
index 7517dca..c976a99 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -126,6 +126,7 @@ function preactPlugin({
 	babelOptions.parserOpts ||= {} as any;
 	babelOptions.parserOpts.plugins ||= [];
 
+	let useBabel: boolean;
 	const shouldTransform = createFilter(
 		include || [/\.[tj]sx?$/],
 		exclude || [/node_modules/],
@@ -151,6 +152,10 @@ function preactPlugin({
 						},
 					},
 				},
+				esbuild: {
+					jsx: "automatic",
+					jsxImportSource: jsxImportSource ?? "preact",
+				},
 				optimizeDeps: {
 					include: ["preact/jsx-runtime", "preact/jsx-dev-runtime"],
 				},
@@ -160,12 +165,20 @@ function preactPlugin({
 			config = resolvedConfig;
 			devToolsEnabled =
 				devToolsEnabled ?? (!config.isProduction || devtoolsInProd);
+
+			useBabel =
+				!config.isProduction ||
+				devToolsEnabled ||
+				!!babelOptions.plugins.length ||
+				!!babelOptions.presets.length ||
+				!!babelOptions.overrides.length ||
+				!!babelOptions.parserOpts.plugins.length;
 		},
 		async transform(code, url) {
 			// Ignore query parameters, as in Vue SFC virtual modules.
 			const { id } = parseId(url);
 
-			if (!shouldTransform(id)) return;
+			if (!useBabel || !shouldTransform(id)) return;
 
 			const parserPlugins = [
 				...baseParserOptions,

From a5ff486641c73df994f7608cfea5455ca10a3391 Mon Sep 17 00:00:00 2001
From: Ryan Christian <rchristian@ryanchristian.dev>
Date: Sat, 16 Mar 2024 07:21:56 -0500
Subject: [PATCH 2/4] refactor: Should be able to get away with a simpler Babel
 check

---
 src/index.ts | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/src/index.ts b/src/index.ts
index c976a99..284ebdb 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -167,12 +167,7 @@ function preactPlugin({
 				devToolsEnabled ?? (!config.isProduction || devtoolsInProd);
 
 			useBabel =
-				!config.isProduction ||
-				devToolsEnabled ||
-				!!babelOptions.plugins.length ||
-				!!babelOptions.presets.length ||
-				!!babelOptions.overrides.length ||
-				!!babelOptions.parserOpts.plugins.length;
+				!config.isProduction || devToolsEnabled || typeof babel !== "undefined";
 		},
 		async transform(code, url) {
 			// Ignore query parameters, as in Vue SFC virtual modules.

From 48b5c76be283f65810cd08ff47cc406abae735e7 Mon Sep 17 00:00:00 2001
From: Ryan Christian <33403762+rschristian@users.noreply.github.com>
Date: Sun, 17 Mar 2024 19:21:52 -0500
Subject: [PATCH 3/4] chore: Formatting

---
 src/index.ts | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/index.ts b/src/index.ts
index 284ebdb..556896f 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -165,7 +165,6 @@ function preactPlugin({
 			config = resolvedConfig;
 			devToolsEnabled =
 				devToolsEnabled ?? (!config.isProduction || devtoolsInProd);
-
 			useBabel =
 				!config.isProduction || devToolsEnabled || typeof babel !== "undefined";
 		},

From 0fddc4f029f66486a3df0ac452377eed8b2c221c Mon Sep 17 00:00:00 2001
From: Ryan Christian <33403762+rschristian@users.noreply.github.com>
Date: Mon, 18 Mar 2024 15:21:01 -0500
Subject: [PATCH 4/4] chore: Add comment to ESBuild config

---
 src/index.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/index.ts b/src/index.ts
index 556896f..b64b198 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -152,6 +152,7 @@ function preactPlugin({
 						},
 					},
 				},
+				// While this config is unconditional, it'll only be used if Babel is not
 				esbuild: {
 					jsx: "automatic",
 					jsxImportSource: jsxImportSource ?? "preact",