fix: if --debug, enable debug logging for edge functions (#5367)

Author: Skn0tt

src/commands/dev/dev.mjs

@@ -163,6 +163,7 @@ const dev = async (options, command) => {
     addonsUrls,
     config,
     configPath: configPathOverride,
+    debug: options.debug,
     env,
     geolocationMode: options.geo,
     geoCountry: options.country,

src/lib/edge-functions/headers.mjs

@@ -7,6 +7,7 @@ const headers = {
   RequestID: 'X-NF-Request-ID',
   IP: 'x-nf-client-connection-ip',
   Site: 'X-NF-Site-Info',
+  DebugLogging: 'x-nf-debug-logging',
 }
 
 export default headers

src/lib/edge-functions/proxy.mjs

@@ -56,6 +56,7 @@ export const createSiteInfoHeader = (siteInfo = {}) => {
 export const initializeProxy = async ({
   config,
   configPath,
+  debug,
   env: configEnv,
   geoCountry,
   geolocationMode,
@@ -137,6 +138,10 @@ export const initializeProxy = async ({
       [headers.IP]: LOCAL_HOST,
     }
 
+    if (debug) {
+      req[headersSymbol][headers.DebugLogging] = '1'
+    }
+
     if (settings.https) {
       req[headersSymbol][headers.ForwardedProtocol] = 'https'
     }

src/utils/proxy-server.mjs

@@ -39,6 +39,7 @@ export const generateInspectSettings = (edgeInspect, edgeInspectBrk) => {
  * @param {*} params.addonsUrls
  * @param {import('../commands/base-command.mjs').NetlifyOptions["config"]} params.config
  * @param {string} [params.configPath] An override for the Netlify config path
+ * @param {boolean} params.debug
  * @param {import('../commands/base-command.mjs').NetlifyOptions["cachedConfig"]['env']} params.env
  * @param {InspectSettings} params.inspectSettings
  * @param {() => Promise<object>} params.getUpdatedConfig
@@ -55,6 +56,7 @@ export const startProxyServer = async ({
   addonsUrls,
   config,
   configPath,
+  debug,
   env,
   geoCountry,
   geolocationMode,
@@ -70,6 +72,7 @@ export const startProxyServer = async ({
     addonsUrls,
     config,
     configPath: configPath || site.configPath,
+    debug,
     env,
     geolocationMode,
     geoCountry,

src/utils/proxy.mjs

@@ -533,6 +533,7 @@ export const startProxy = async function ({
   addonsUrls,
   config,
   configPath,
+  debug,
   env,
   geoCountry,
   geolocationMode,
@@ -548,6 +549,7 @@ export const startProxy = async function ({
   const edgeFunctionsProxy = await initializeEdgeFunctionsProxy({
     config,
     configPath,
+    debug,
     env,
     geolocationMode,
     geoCountry,