Skip to content

docs(tsconfig-reference): fix optional property syntax - ? is suffix not prefix #3498

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

Open
aitchwhy wants to merge 1 commit into
base: v2
Choose a base branch
from
Open

docs(tsconfig-reference): fix optional property syntax - ? is suffix not prefix #3498

Changes from all commits
Commits
Show all changes
1 commit
Select commit
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
2 changes: 1 addition & 1 deletion packages/tsconfig-reference/copy/en/options/exactOptionalPropertyTypes.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@ display: "Exact Optional Property Types"
oneline: "Interpret optional property types as written, rather than adding `undefined`."
---

With exactOptionalPropertyTypes enabled, TypeScript applies stricter rules around how it handles properties on `type` or `interfaces` which have a `?` prefix.
With exactOptionalPropertyTypes enabled, TypeScript applies stricter rules around how it handles properties on `type` or `interfaces` which have a `?` suffix.

For example, this interface declares that there is a property which can be one of two strings: 'dark' or 'light' or it should not be in the object.

Expand Down