util: runtime deprecate util.isDate

PR-URL: #50488 Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Yagiz Nizipli <yagiz.nizipli@sentry.io> Reviewed-By: Robert Nagy <ronagy@icloud.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
nodejs · Nov 27, 2023 · a0c5b87 · a0c5b87
1 parent 3c670cb
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diff --git a/doc/api/deprecations.md b/doc/api/deprecations.md
@@ -1035,6 +1035,9 @@ The [`util.isBuffer()`][] API is deprecated. Please use
 
 <!-- YAML
 changes:
+  - version: REPLACEME
+    pr-url: https://github.com/nodejs/node/pull/50488
+    description: Runtime deprecation.
   - version:
     - v6.12.0
     - v4.8.6
@@ -1047,7 +1050,7 @@ changes:
     description: Documentation-only deprecation.
 -->
 
-Type: Documentation-only
+Type: Runtime
 
 The [`util.isDate()`][] API is deprecated.
 

diff --git a/lib/util.js b/lib/util.js
@@ -404,19 +404,38 @@ module.exports = {
     }
     return internalDeepEqual(a, b);
   },
-  isNull,
-  isNullOrUndefined,
-  isNumber,
-  isString,
-  isSymbol,
-  isUndefined,
-  isRegExp: types.isRegExp,
-  isObject,
-  isDate: types.isDate,
-  isError,
-  isFunction,
-  isPrimitive,
-  log,
+  isNull: deprecate(isNull,
+                    'The `util.isNull` API is deprecated. Please use `arg === null` instead.',
+                    'DEP0050'),
+  isNullOrUndefined: deprecate(isNullOrUndefined,
+                               'The `util.isNullOrUndefined` API is deprecated. ' +
+                               'Please use `arg === null || arg === undefined` instead.',
+                               'DEP0051'),
+  isNumber: deprecate(isNumber,
+                      'The `util.isNumber` API is deprecated. Please use `typeof arg === "number"` instead.',
+                      'DEP0052'),
+  isString: deprecate(isString,
+                      'The `util.isString` API is deprecated.  Please use `typeof arg === "string"` instead.',
+                      'DEP0056'),
+  isSymbol: deprecate(isSymbol,
+                      'The `util.isSymbol` API is deprecated.  Please use `arg === "symbol"` instead.',
+                      'DEP0057'),
+  isUndefined: deprecate(isUndefined,
+                         'The `util.isUndefined` API is deprecated. Please use `arg === undefined` instead.',
+                         'DEP0058'),
+  isRegExp: deprecate(types.isRegExp,
+                      '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.',
+                      'DEP0053'),
+  isDate: deprecate(types.isDate,
+                    'The `util.isDate` API is deprecated.  Please use `arg instanceof Error` instead.',
+                    'DEP0047'),
+  isError: deprecate(isError, 'The `util.isError API is deprecated.', 'DEP0048'),
+  isFunction: deprecate(isFunction, 'The `util.isFunction API is deprecated.', 'DEP0049'),
+  isPrimitive: deprecate(isPrimitive, 'The `util.isPrimitive API is deprecated.', 'DEP0054'),
+  log: deprecate(log, 'The `util.log API is deprecated.', 'DEP0059'),
   promisify,
   stripVTControlCharacters,
   toUSVString,