fixup! lib: add util.getCallSite() API

nodejs · Aug 20, 2024 · 8d9f30a · 8d9f30a
1 parent 7d1b8ea
commit 8d9f30a
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Showing 3 changed files with 59 additions and 4 deletions.
diff --git a/lib/util.js b/lib/util.js
@@ -279,8 +279,10 @@ function parseEnv(content) {
  * Returns the callSite
  * @returns {object}
  */
-function getCallSite() {
-  return binding.getCallSite();
+function getCallSite(frames = 10) {
+  // Using kDefaultMaxCallStackSizeToCapture as reference
+  validateNumber(frames, 'frames', 1, 200);
+  return binding.getCallSite(frames);
 };
 
 // Keep the `exports =` so that various functions can still be monkeypatched

diff --git a/src/node_util.cc b/src/node_util.cc
@@ -258,8 +258,13 @@ static void GetCallSite(const FunctionCallbackInfo<Value>& args) {
   Environment* env = Environment::GetCurrent(args);
   Isolate* isolate = env->isolate();
 
+  CHECK_EQ(args.Length(), 1);
+  CHECK(args[0]->IsNumber());
+  const uint32_t frames = args[0].As<Uint32>()->Value();
+
+  // +1 for disregarding node:util
   Local<StackTrace> stack =
-      StackTrace::CurrentStackTrace(isolate, env->stack_trace_limit());
+      StackTrace::CurrentStackTrace(isolate, frames + 1);
   Local<Array> callsites = Array::New(isolate);
 
   // Frame 0 is node:util. It should be skipped.

diff --git a/test/parallel/test-util-getCallSite.js b/test/parallel/test-util-getCallSite.js
@@ -1,6 +1,6 @@
 'use strict';
 
-require('../common');
+const common = require('../common');
 
 const fixtures = require('../common/fixtures');
 const file = fixtures.path('get-call-site.js');
@@ -19,6 +19,54 @@ const assert = require('node:assert');
   );
 }
 
+{
+  const callsite = getCallSite(3);
+  assert.strictEqual(callsite.length, 3);
+  assert.match(
+    callsite[0].scriptName,
+    /test-util-getCallSite/,
+    'node:util should be ignored',
+  );
+}
+
+{
+  const callsite = getCallSite(3.6);
+  assert.strictEqual(callsite.length, 3);
+}
+
+{
+  const callsite = getCallSite(3.4);
+  assert.strictEqual(callsite.length, 3);
+}
+
+{
+  assert.throws(() => {
+    // Max than kDefaultMaxCallStackSizeToCapture
+    getCallSite(201);
+  }, common.expectsError({
+    code: 'ERR_OUT_OF_RANGE'
+  }));
+  assert.throws(() => {
+    getCallSite(-1);
+  }, common.expectsError({
+    code: 'ERR_OUT_OF_RANGE'
+  }));
+  assert.throws(() => {
+    getCallSite({});
+  }, common.expectsError({
+    code: 'ERR_INVALID_ARG_TYPE'
+  }));
+}
+
+{
+  const callsite = getCallSite(1);
+  assert.strictEqual(callsite.length, 1);
+  assert.match(
+    callsite[0].scriptName,
+    /test-util-getCallSite/,
+    'node:util should be ignored',
+  );
+}
 
 {
   const { status, stderr, stdout } = spawnSync(