refactor: put Lambda compat log behind flag

src/lib/functions/registry.mjs

@@ -33,7 +33,16 @@ const ZIP_EXTENSION = '.zip'
  */
 
 export class FunctionsRegistry {
-  constructor({ capabilities, config, debug = false, isConnected = false, projectRoot, settings, timeouts }) {
+  constructor({
+    capabilities,
+    config,
+    debug = false,
+    isConnected = false,
+    logLambdaCompat,
+    projectRoot,
+    settings,
+    timeouts,
+  }) {
     this.capabilities = capabilities
     this.config = config
     this.debug = debug
@@ -80,6 +89,13 @@ export class FunctionsRegistry {
      * installed.
      */
     this.hasCheckedTypesPackage = false
+
+    /**
+     * Whether to log V1 functions as using the "Lambda compatibility mode"
+     *
+     * @type {boolean}
+     */
+    this.logLambdaCompat = Boolean(logLambdaCompat)
   }
 
   checkTypesPackage() {
@@ -295,7 +311,7 @@ export class FunctionsRegistry {
       const icon = warningsText ? NETLIFYDEVWARN : NETLIFYDEVLOG
       const color = warningsText ? chalk.yellow : chalk.green
       const mode =
-        func?.runtimeAPIVersion === 1
+        func?.runtimeAPIVersion === 1 && this.logLambdaCompat
           ? ` in ${getTerminalLink('Lambda compatibility mode', 'https://ntl.fyi/lambda-compat')}`
           : ''
 

src/lib/functions/server.mjs

@@ -7,6 +7,7 @@ import expressLogging from 'express-logging'
 import jwtDecode from 'jwt-decode'
 
 import { NETLIFYDEVERR, NETLIFYDEVLOG, error as errorExit, log } from '../../utils/command-helpers.mjs'
+import { isFeatureFlagEnabled } from '../../utils/feature-flags.mjs'
 import {
   CLOCKWORK_USERAGENT,
   getFunctionsDistPath,
@@ -250,12 +251,14 @@ const getFunctionsServer = (options) => {
  * @param {*} options.loadDistFunctions
  * @param {*} options.settings
  * @param {*} options.site
+ * @param {*} options.siteInfo
  * @param {string} options.siteUrl
  * @param {*} options.timeouts
  * @returns {Promise<import('./registry.mjs').FunctionsRegistry | undefined>}
  */
 export const startFunctionsServer = async (options) => {
-  const { capabilities, command, config, debug, loadDistFunctions, settings, site, siteUrl, timeouts } = options
+  const { capabilities, command, config, debug, loadDistFunctions, settings, site, siteInfo, siteUrl, timeouts } =
+    options
   const internalFunctionsDir = await getInternalFunctionsDir({ base: site.root })
   const functionsDirectories = []
 
@@ -293,6 +296,7 @@ export const startFunctionsServer = async (options) => {
     config,
     debug,
     isConnected: Boolean(siteUrl),
+    logLambdaCompat: isFeatureFlagEnabled('cli_log_lambda_compat', siteInfo),
     // functions always need to be inside the packagePath if set inside a monorepo
     projectRoot: command.workingDir,
     settings,