Allow an adapter to export default (withastro#3022)

* Allow an adapter to export default * Adds a changeset
harrytran998 · Apr 7, 2022 · 8c04ff1 · 8c04ff1
1 parent c1a759b
commit 8c04ff1
Show file tree

Hide file tree

Showing 4 changed files with 17 additions and 5 deletions.
diff --git a/.changeset/forty-boats-remain.md b/.changeset/forty-boats-remain.md
@@ -0,0 +1,6 @@
+---
+'astro': patch
+'@astrojs/vercel': patch
+---
+
+Allows adapters to export default
diff --git a/packages/astro/src/core/build/vite-plugin-ssr.ts b/packages/astro/src/core/build/vite-plugin-ssr.ts
@@ -45,8 +45,14 @@ const _args = ${adapter.args ? JSON.stringify(adapter.args) : 'undefined'};
 ${
  adapter.exports
  ? `const _exports = adapter.createExports(_manifest, _args);
-${adapter.exports.map((name) => `export const ${name} = _exports['${name}'];`).join('\n')}
-${adapter.exports.includes('_default') ? `export default _default` : ''}
+${adapter.exports.map((name) => {
+ if(name === 'default') {
+ return `const _default = _exports['default'];
+export { _default as default };`;
+ } else {
+ return `export const ${name} = _exports['${name}'];`
+ }
+}).join('\n')}
 `
  : ''
 }

diff --git a/packages/integrations/vercel/src/index.ts b/packages/integrations/vercel/src/index.ts
@@ -13,7 +13,7 @@ export function getAdapter(): AstroAdapter {
  return {
  name: '@astrojs/vercel',
  serverEntrypoint: '@astrojs/vercel/server-entrypoint',
- exports: ['_default'],
+ exports: ['default'],
  };
 }
 

diff --git a/packages/integrations/vercel/src/server-entrypoint.ts b/packages/integrations/vercel/src/server-entrypoint.ts
@@ -12,7 +12,7 @@ polyfill(globalThis, {
 export const createExports = (manifest: SSRManifest) => {
  const app = new App(manifest);
 
- const _default = async (req: IncomingMessage, res: ServerResponse) => {
+ const handler = async (req: IncomingMessage, res: ServerResponse) => {
  let request: Request;
 
  try {
@@ -30,5 +30,5 @@ export const createExports = (manifest: SSRManifest) => {
  await setResponse(res, await app.render(request));
  };
 
- return { _default };
+ return { 'default': handler };
 };