refactor: move getAction to separate file for bundling

packages/astro/src/actions/runtime/middleware.ts

@@ -6,12 +6,13 @@ import {
 } from '../../core/errors/errors-data.js';
 import { AstroError } from '../../core/errors/errors.js';
 import { defineMiddleware } from '../../core/middleware/index.js';
-import { formContentTypes, getAction, hasContentType } from './utils.js';
+import { formContentTypes, hasContentType } from './utils.js';
 import {
 	type SafeResult,
 	type SerializedActionResult,
 	serializeActionResult,
 } from './virtual/shared.js';
+import { getAction } from './virtual/get-action.js';
 
 export type Locals = {
 	_actionsInternal: {

packages/astro/src/actions/runtime/route.ts

@@ -1,5 +1,6 @@
 import type { APIRoute } from '../../@types/astro.js';
-import { formContentTypes, getAction, hasContentType } from './utils.js';
+import { formContentTypes, hasContentType } from './utils.js';
+import { getAction } from './virtual/get-action.js';
 import { serializeActionResult } from './virtual/shared.js';
 
 export const POST: APIRoute = async (context) => {

packages/astro/src/actions/runtime/utils.ts

@@ -1,6 +1,4 @@
-import type { ZodType } from 'zod';
 import type { APIContext } from '../../@types/astro.js';
-import type { ActionAccept, ActionClient } from './virtual/server.js';
 
 export const formContentTypes = ['application/x-www-form-urlencoded', 'multipart/form-data'];
 
@@ -15,30 +13,6 @@ export function hasContentType(contentType: string, expected: string[]) {
 export type ActionAPIContext = Omit<APIContext, 'getActionResult' | 'callAction' | 'props'>;
 export type MaybePromise<T> = T | Promise<T>;
 
-/**
- * Get server-side action based on the route path.
- * Imports from the virtual module `astro:internal-actions`, which maps to
- * the user's `src/actions/index.ts` file at build-time.
- */
-export async function getAction(
-	path: string
-): Promise<ActionClient<unknown, ActionAccept, ZodType> | undefined> {
-	const pathKeys = path.replace('/_actions/', '').split('.');
-	// @ts-expect-error virtual module
-	let { server: actionLookup } = await import('astro:internal-actions');
-
-	for (const key of pathKeys) {
-		if (!(key in actionLookup)) {
-			return undefined;
-		}
-		actionLookup = actionLookup[key];
-	}
-	if (typeof actionLookup !== 'function') {
-		return undefined;
-	}
-	return actionLookup;
-}
-
 /**
  * Used to preserve the input schema type in the error object.
  * This allows for type inference on the `fields` property

packages/astro/src/actions/runtime/virtual/get-action.ts

@@ -0,0 +1,26 @@
+import type { ZodType } from 'zod';
+import type { ActionAccept, ActionClient } from './server.js';
+
+/**
+ * Get server-side action based on the route path.
+ * Imports from the virtual module `astro:internal-actions`, which maps to
+ * the user's `src/actions/index.ts` file at build-time.
+ */
+export async function getAction(
+	path: string
+): Promise<ActionClient<unknown, ActionAccept, ZodType> | undefined> {
+	const pathKeys = path.replace('/_actions/', '').split('.');
+	// @ts-expect-error virtual module
+	let { server: actionLookup } = await import('astro:internal-actions');
+
+	for (const key of pathKeys) {
+		if (!(key in actionLookup)) {
+			return undefined;
+		}
+		actionLookup = actionLookup[key];
+	}
+	if (typeof actionLookup !== 'function') {
+		return undefined;
+	}
+	return actionLookup;
+}