util: runtime deprecate util.isObject

PR-URL: #50488 Reviewed-By: Rafael Gonzaga <[email protected]> Reviewed-By: Yagiz Nizipli <[email protected]> Reviewed-By: Robert Nagy <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: Joyee Cheung <[email protected]>
nodejs · Nov 27, 2023 · 5478e11 · 5478e11
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diff --git a/doc/api/deprecations.md b/doc/api/deprecations.md
@@ -1175,6 +1175,9 @@ The [`util.isNumber()`][] API is deprecated.
 
 <!-- YAML
 changes:
+  - version: REPLACEME
+    pr-url: https://github.com/nodejs/node/pull/50488
+    description: Runtime deprecation.
   - version:
     - v6.12.0
     - v4.8.6
@@ -1187,7 +1190,7 @@ changes:
     description: Documentation-only deprecation.
 -->
 
-Type: Documentation-only
+Type: Runtime
 
 The [`util.isObject()`][] API is deprecated.
 

diff --git a/lib/util.js b/lib/util.js
@@ -427,7 +427,8 @@ module.exports = {
                       'The `util.isRegExp` API is deprecated. Please use `arg instanceof RegExp` instead.',
                       'DEP0055'),
   isObject: deprecate(isObject,
-                      'The `util.isObject` API is deprecated. Please use `typeof arg === "object"` instead.',
+                      'The `util.isObject` API is deprecated. ' +
+                      'Please use `arg !== null && typeof arg === "object"` instead.',
                       'DEP0053'),
   isDate: deprecate(types.isDate,
                     'The `util.isDate API is deprecated.  Please use `arg instanceof Error` instead.',