From 67076e99cfcd7e606207f4c9f5c2b312ad99a749 Mon Sep 17 00:00:00 2001
From: Yves M <4225430+yvele@users.noreply.github.com>
Date: Tue, 18 Nov 2025 20:46:41 +0100
Subject: [PATCH] fix: correct overflow info for arrays with maximumBreadth

---
 index.js | 16 ++++++++--------
 test.js  | 11 +++++++----
 2 files changed, 15 insertions(+), 12 deletions(-)

diff --git a/index.js b/index.js
index 0907c91..ebbc451 100644
--- a/index.js
+++ b/index.js
@@ -246,8 +246,8 @@ function configure (options) {
           }
           const tmp = stringifyFnReplacer(String(i), value, stack, replacer, spacer, indentation)
           res += tmp !== undefined ? tmp : 'null'
-          if (value.length - 1 > maximumBreadth) {
-            const removedKeys = value.length - maximumBreadth - 1
+          if (value.length > maximumBreadth) {
+            const removedKeys = value.length - maximumBreadth
             res += `${join}"... ${getItemCount(removedKeys)} not stringified"`
           }
           if (spacer !== '') {
@@ -354,8 +354,8 @@ function configure (options) {
           }
           const tmp = stringifyArrayReplacer(String(i), value[i], stack, replacer, spacer, indentation)
           res += tmp !== undefined ? tmp : 'null'
-          if (value.length - 1 > maximumBreadth) {
-            const removedKeys = value.length - maximumBreadth - 1
+          if (value.length > maximumBreadth) {
+            const removedKeys = value.length - maximumBreadth
             res += `${join}"... ${getItemCount(removedKeys)} not stringified"`
           }
           if (spacer !== '') {
@@ -444,8 +444,8 @@ function configure (options) {
           }
           const tmp = stringifyIndent(String(i), value[i], stack, spacer, indentation)
           res += tmp !== undefined ? tmp : 'null'
-          if (value.length - 1 > maximumBreadth) {
-            const removedKeys = value.length - maximumBreadth - 1
+          if (value.length > maximumBreadth) {
+            const removedKeys = value.length - maximumBreadth
             res += `${join}"... ${getItemCount(removedKeys)} not stringified"`
           }
           res += `\n${originalIndentation}`
@@ -553,8 +553,8 @@ function configure (options) {
           }
           const tmp = stringifySimple(String(i), value[i], stack)
           res += tmp !== undefined ? tmp : 'null'
-          if (value.length - 1 > maximumBreadth) {
-            const removedKeys = value.length - maximumBreadth - 1
+          if (value.length > maximumBreadth) {
+            const removedKeys = value.length - maximumBreadth
             res += `,"... ${getItemCount(removedKeys)} not stringified"`
           }
           stack.pop()
diff --git a/test.js b/test.js
index 23edd23..0cf7eb0 100644
--- a/test.js
+++ b/test.js
@@ -911,10 +911,10 @@ test('maximumBreadth config', function (assert) {
   })
 
   const result = serialize(obj, (key, val) => val)
-  assert.equal(result, '{"a":["a","b","c","... 1 item not stringified"]}')
+  assert.equal(result, '{"a":["a","b","c","... 2 items not stringified"]}')
 
   const res2 = serialize(obj, ['a', 'b'])
-  assert.equal(res2, '{"a":["a","b","c","... 1 item not stringified"]}')
+  assert.equal(res2, '{"a":["a","b","c","... 2 items not stringified"]}')
 
   const res3 = serialize(obj, null, 2)
   assert.equal(res3, `{
@@ -922,7 +922,7 @@ test('maximumBreadth config', function (assert) {
     "a",
     "b",
     "c",
-    "... 1 item not stringified"
+    "... 2 items not stringified"
   ]
 }`)
 
@@ -936,6 +936,9 @@ test('maximumBreadth config', function (assert) {
   }
 }`)
 
+  const res5 = serialize(['a', 'b', 'c', 'd'])
+  assert.equal(res5, '["a","b","c","... 1 item not stringified"]')
+
   assert.end()
 })
 test('limit number of keys with array replacer', function (assert) {
@@ -976,7 +979,7 @@ test('limit number of keys in array', (assert) => {
     arr.push(i)
   }
   const res = serialize(arr)
-  const expected = '[0,1,2,"... 96 items not stringified"]'
+  const expected = '[0,1,2,"... 97 items not stringified"]'
   assert.equal(res, expected)
   assert.end()
 })