doc: update migration recomendations for `util.is**()` deprecations · nodejs/node@3276bfa
@@ -1079,6 +1079,10 @@ Type: End-of-Life
10791079The `util.isDate()` API has been removed. Please use
10801080`arg instanceof Date` instead.
108110811082+Also for stronger approaches, consider using:
1083+`Date.prototype.toString.call(arg) === '[object Date]' && !isNaN(arg)`.
1084+This can also be used in a `try/catch` block to handle invalid date objects.
1085+10821086### DEP0048: `util.isError()`
1083108710841088<!-- YAML
@@ -1103,9 +1107,7 @@ changes:
1103110711041108Type: End-of-Life
110511091106-The `util.isError()` API has been removed. Please use
1107-`Object.prototype.toString(arg) === '[object Error]' || arg instanceof Error`
1108-instead.
1110+The `util.isError()` API has been removed. Please use `Error.isError(arg)`.
1109111111101112### DEP0049: `util.isFunction()`
11111113@@ -1266,9 +1268,7 @@ changes:
1266126812671269Type: End-of-Life
126812701269-The `util.isPrimitive()` API has been removed. Please use
1270-`arg === null || (typeof arg !=='object' && typeof arg !== 'function')`
1271-instead.
1271+The `util.isPrimitive()` API has been removed. Please use `Object(arg) !== arg` instead.
1272127212731273### DEP0055: `util.isRegExp()`
12741274