Skip to content

doc: update deprecation guide for util.is**() #59269

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 6 commits into from
Aug 28, 2025
Merged

doc: update deprecation guide for util.is**() #59269

Changes from all commits
Commits
Show all changes
6 commits
Select commit Hold shift + click to select a range
8a8af47
doc: update deprecation guide for `util.is**()`
AugustinMauroy Jul 29, 2025
fa06eeb
fix: null & undifined
AugustinMauroy Jul 29, 2025
2e80adf
better handling
AugustinMauroy Jul 29, 2025
fd126f5
Merge branch 'fix-utils-is' of https://github.com/AugustinMauroy/node…
AugustinMauroy Jul 29, 2025
19adb3d
fix lint
AugustinMauroy Jul 29, 2025
1175038
revert useless change
AugustinMauroy Aug 27, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
12 changes: 6 additions & 6 deletions doc/api/deprecations.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1085,6 +1085,10 @@ Type: End-of-Life
The `util.isDate()` API has been removed. Please use
`arg instanceof Date` instead.

Also for stronger approaches, consider using:
`Date.prototype.toString.call(arg) === '[object Date]' && !isNaN(arg)`.
This can also be used in a `try/catch` block to handle invalid date objects.

### DEP0048: `util.isError()`

<!-- YAML
Expand All @@ -1109,9 +1113,7 @@ changes:

Type: End-of-Life

The `util.isError()` API has been removed. Please use
`Object.prototype.toString(arg) === '[object Error]' || arg instanceof Error`
instead.
The `util.isError()` API has been removed. Please use `Error.isError(arg)`.

### DEP0049: `util.isFunction()`

Expand Down Expand Up @@ -1272,9 +1274,7 @@ changes:

Type: End-of-Life

The `util.isPrimitive()` API has been removed. Please use
`arg === null || (typeof arg !=='object' && typeof arg !== 'function')`
instead.
The `util.isPrimitive()` API has been removed. Please use `Object(arg) !== arg` instead.

### DEP0055: `util.isRegExp()`

Expand Down
Loading