Fix `astro-entry` error on build with multiple JSX frameworks (#6967)

3 files changed, 10 insertions, 2 deletions

diff --git a/.changeset/loud-bears-glow.md b/.changeset/loud-bears-glow.md
new file mode 100644
index 000000000..05296cb82
--- /dev/null
+++ b/.changeset/loud-bears-glow.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Fix `astro-entry` error on build with multiple JSX frameworks
diff --git a/packages/astro/src/core/build/plugins/plugin-component-entry.ts b/packages/astro/src/core/build/plugins/plugin-component-entry.ts
index 441bd4eb2..444aa6a19 100644
--- a/packages/astro/src/core/build/plugins/plugin-component-entry.ts
+++ b/packages/astro/src/core/build/plugins/plugin-component-entry.ts
@@ -2,7 +2,7 @@ import type { Plugin as VitePlugin } from 'vite';
 import type { BuildInternals } from '../internal.js';
 import type { AstroBuildPlugin } from '../plugin.js';
 
-const astroEntryPrefix = '\0astro-entry:';
+export const astroEntryPrefix = '\0astro-entry:';
 
 /**
  * When adding hydrated or client:only components as Rollup inputs, sometimes we're not using all
diff --git a/packages/astro/src/vite-plugin-jsx/index.ts b/packages/astro/src/vite-plugin-jsx/index.ts
index 0903a0413..8cab3db9f 100644
--- a/packages/astro/src/vite-plugin-jsx/index.ts
+++ b/packages/astro/src/vite-plugin-jsx/index.ts
@@ -13,6 +13,7 @@ import babel from '@babel/core';
 import * as colors from 'kleur/colors';
 import path from 'path';
 import { CONTENT_FLAG, PROPAGATED_ASSET_FLAG } from '../content/index.js';
+import { astroEntryPrefix } from '../core/build/plugins/plugin-component-entry.js';
 import { error } from '../core/logger/core.js';
 import { removeQueryString } from '../core/path.js';
 import { detectImportSource } from './import-source.js';
@@ -139,7 +140,9 @@ export default function jsx({ settings, logging }: AstroPluginJSXOptions): Plugi
 		},
 		async transform(code, id, opts) {
 			const ssr = Boolean(opts?.ssr);
-			if (SPECIAL_QUERY_REGEX.test(id)) {
+			// Skip special queries and astro entries. We skip astro entries here as we know it doesn't contain
+			// JSX code, and also because we can't detect the import source to apply JSX transforms.
+			if (SPECIAL_QUERY_REGEX.test(id) || id.startsWith(astroEntryPrefix)) {
 				return null;
 			}
 			id = removeQueryString(id);