fix: add feature flag

src/config.ts

@@ -3,6 +3,7 @@ import { basename, extname, dirname, join } from 'path'
 
 import mergeOptions from 'merge-options'
 
+import type { FeatureFlags } from './feature_flags.js'
 import { FunctionSource } from './function.js'
 import type { NodeBundlerName } from './runtimes/node/bundlers/types.js'
 import type { NodeVersionString } from './runtimes/node/index.js'
@@ -36,16 +37,20 @@ const getConfigForFunction = async ({
   config,
   configFileDirectories,
   func,
+  featureFlags,
 }: {
   config?: Config
   configFileDirectories?: string[]
   func: FunctionWithoutConfig
+  featureFlags: FeatureFlags
 }): Promise<FunctionConfig> => {
   const fromConfig = getFromMainConfig({ config, func })
 
   // We try to read from a function config file if the function directory is
   // inside one of `configFileDirectories`.
-  const shouldReadConfigFile = configFileDirectories?.some((directory) => func.srcDir.startsWith(directory))
+  const shouldReadConfigFile =
+    featureFlags.project_deploy_configuration_api_use_per_function_configuration_files &&
+    configFileDirectories?.some((directory) => func.srcDir.startsWith(directory))
 
   if (!shouldReadConfigFile) {
     return fromConfig

src/feature_flags.ts

@@ -5,6 +5,7 @@ export const defaultFlags: Record<string, boolean> = {
   parseWithEsbuild: false,
   traceWithNft: false,
   zisi_pure_esm: false,
+  project_deploy_configuration_api_use_per_function_configuration_files: false,
 }
 
 export type FeatureFlag = keyof typeof defaultFlags

src/runtimes/index.ts

@@ -106,7 +106,7 @@ export const getFunctionsFromPaths = async (
     }
   }, Promise.resolve({ functions: [], remainingPaths: paths } as { functions: FunctionTupleWithoutConfig[]; remainingPaths: string[] }))
   const functionConfigs = await Promise.all(
-    functions.map(([, func]) => getConfigForFunction({ config, configFileDirectories, func })),
+    functions.map(([, func]) => getConfigForFunction({ config, configFileDirectories, func, featureFlags })),
   )
   const functionsWithConfig: FunctionTuple[] = functions.map(([name, func], index) => [
     name,
@@ -129,7 +129,7 @@ export const getFunctionFromPath = async (
     const func = await runtime.findFunctionInPath({ path, fsCache, featureFlags })
 
     if (func) {
-      const functionConfig = await getConfigForFunction({ config, func: { ...func, runtime } })
+      const functionConfig = await getConfigForFunction({ config, func: { ...func, runtime }, featureFlags })
 
       return {
         ...func,

tests/main.js

@@ -2791,7 +2791,7 @@ testMany(
     const opts = merge(options, {
       basePath: join(FIXTURES_DIR, fixtureName),
       configFileDirectories: [join(FIXTURES_DIR, pathInternal)],
-      featureFlags: { zisi_detect_esm: true },
+      featureFlags: { project_deploy_configuration_api_use_per_function_configuration_files: true },
     })
     const { files, tmpDir } = await zipFixture(t, [pathInternal, pathUser], {
       length: 2,