[astro add] Set output: 'server' when adding adapter (#4289)

* fix: add `output: 'server'` when setting adapter * chore: changeset
withastro · Aug 12, 2022 · 3ca9051 · 3ca9051
1 parent 62763d5
commit 3ca9051
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diff --git a/.changeset/witty-bears-joke.md b/.changeset/witty-bears-joke.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+[astro add] Set `output: 'server'` when adding adapter
diff --git a/packages/astro/src/core/add/index.ts b/packages/astro/src/core/add/index.ts
@@ -396,6 +396,23 @@ async function setAdapter(ast: t.File, adapter: IntegrationInfo, exportName: str
 			const configObject = path.node.declaration.arguments[0];
 			if (!t.isObjectExpression(configObject)) return;
 
+			let outputProp = configObject.properties.find((prop) => {
+				if (prop.type !== 'ObjectProperty') return false;
+				if (prop.key.type === 'Identifier') {
+					if (prop.key.name === 'output') return true;
+				}
+				if (prop.key.type === 'StringLiteral') {
+					if (prop.key.value === 'output') return true;
+				}
+				return false;
+			}) as t.ObjectProperty | undefined;
+
+			if (!outputProp) {
+				configObject.properties.push(
+					t.objectProperty(t.identifier('output'), t.stringLiteral('server'))
+				);
+			}
+
 			let adapterProp = configObject.properties.find((prop) => {
 				if (prop.type !== 'ObjectProperty') return false;
 				if (prop.key.type === 'Identifier') {