fix: add helper function

Author: sarahetter

packages/runtime/src/helpers/analysis.ts

@@ -29,6 +29,8 @@ export interface ApiBackgroundConfig {
 
 export type ApiConfig = ApiStandardConfig | ApiScheduledConfig | ApiBackgroundConfig
 
+export const isEdgeConfig = (config: string) => ['experimental-edge', 'edge'].includes(config)
+
 export const validateConfigValue = (config: ApiConfig, apiFilePath: string): config is ApiConfig => {
   if (config.type === ApiRouteType.SCHEDULED) {
     if (!config.schedule) {
@@ -39,7 +41,7 @@ export const validateConfigValue = (config: ApiConfig, apiFilePath: string): con
       )
       return false
     }
-    if (['experimental-edge', 'edge'].includes((config as ApiConfig).runtime)) {
+    if (isEdgeConfig((config as ApiConfig).runtime)) {
       console.error(
         `Invalid config value in ${relative(
           process.cwd(),
@@ -60,7 +62,7 @@ export const validateConfigValue = (config: ApiConfig, apiFilePath: string): con
       )
       return false
     }
-    if (config.type && ['experimental-edge', 'edge'].includes((config as ApiConfig).runtime)) {
+    if (config.type && isEdgeConfig((config as ApiConfig).runtime)) {
       console.error(
         `Invalid config value in ${relative(
           process.cwd(),

packages/runtime/src/helpers/functions.ts

@@ -20,7 +20,7 @@ import { getApiHandler } from '../templates/getApiHandler'
 import { getHandler } from '../templates/getHandler'
 import { getResolverForPages, getResolverForSourceFiles } from '../templates/getPageResolver'
 
-import { ApiConfig, ApiRouteType, extractConfigFromFile } from './analysis'
+import { ApiConfig, ApiRouteType, extractConfigFromFile, isEdgeConfig } from './analysis'
 import { getSourceFileForPage } from './files'
 import { writeFunctionConfiguration } from './functionsMetaData'
 import { getFunctionNameForPage } from './utils'
@@ -43,7 +43,7 @@ export const generateFunctions = async (
 
   for (const { route, config, compiled } of apiRoutes) {
     // Don't write a lambda if the runtime is edge
-    if (['experimental-edge', 'edge'].includes(config.runtime)) {
+    if (isEdgeConfig(config.runtime)) {
       continue
     }
     const apiHandlerSource = await getApiHandler({