.gitignore

@@ -135,11 +135,14 @@ dist
 # macOS files
 .DS_Store
 
+# Clinic
+.clinic
+
 # lock files
 package-lock.json
 pnpm-lock.yaml
 yarn.lock
 
 # editor files
 .vscode
-.idea
+.idea

lib/getPluginName.js

@@ -6,9 +6,12 @@ const fileNamePattern = /(\w*(\.\w*)*)\..*/
 module.exports = function getPluginName (fn) {
   if (fn.name.length > 0) return fn.name
 
+  const stackTraceLimit = Error.stackTraceLimit
+  Error.stackTraceLimit = 10
   try {
     throw new Error('anonymous function')
   } catch (e) {
+    Error.stackTraceLimit = stackTraceLimit
     return extractPluginName(e.stack)
   }
 }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "fastify-plugin",
-  "version": "4.4.0",
+  "version": "4.5.0",
   "description": "Plugin helper for Fastify",
   "main": "plugin.js",
   "types": "types/plugin.d.ts",
@@ -32,6 +32,6 @@
     "proxyquire": "^2.1.3",
     "standard": "^17.0.0",
     "tap": "^16.0.1",
-    "tsd": "^0.24.1"
+    "tsd": "^0.25.0"
   }
 }

test/test.js

@@ -155,6 +155,29 @@ test('should set anonymous function name to file it was called from with a count
   t.end()
 })
 
+test('should set function name if Error.stackTraceLimit is set to 0', t => {
+  const stackTraceLimit = Error.stackTraceLimit = 0
+
+  const fp = proxyquire('../plugin.js', { stubs: {} })
+
+  const fn = fp((fastify, opts, next) => {
+    next()
+  })
+
+  t.equal(fn[Symbol.for('plugin-meta')].name, 'test-auto-0')
+  t.equal(fn[Symbol.for('fastify.display-name')], 'test-auto-0')
+
+  const fn2 = fp((fastify, opts, next) => {
+    next()
+  })
+
+  t.equal(fn2[Symbol.for('plugin-meta')].name, 'test-auto-1')
+  t.equal(fn2[Symbol.for('fastify.display-name')], 'test-auto-1')
+
+  Error.stackTraceLimit = stackTraceLimit
+  t.end()
+})
+
 test('should set display-name to meta name', t => {
   t.plan(2)