microsoft / microsoft/TypeScript

function object parameter destructure field without default value will be ignored

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#59,920 7 comments 0 reactions 1 assignee View on GitHub

@jakebailey is already working on this.

Since Sep 10, 2024.

Bug Domain: JavaScript
Dominant language
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Description

🔎 Search Terms

js, function, parameter, destructure, required

🕗 Version & Regression Information
  • This changed between versions 5.6 and latest nightly
  • We use ts 5.5 no this issue, after upgrade this issue occur.
⏯ Playground Link
💻 Code
// utils.js

export const getUserProfileByUsername = ({
  username,
  withEmail = false,
  withNotificationSettings = false,
} = {}) => {
  return {};
};
// main.ts
import { getUserProfileByUsername } from './utils';

getUserProfileByUsername({
  username: 'ly',
});
🙁 Actual behavior
src/main.ts:4:3 - error TS2353: Object literal may only specify known properties, and 'username' does not exist in type '{ withEmail?: boolean | undefined; withNotificationSettings?: boolean | undefined; }'.

4   username: 'ly',
    ~~~~~~~~


Found 1 error in src/main.ts:4
🙂 Expected behavior

no ts validate error

Additional information about the issue

ts 5.x not this issue, must be introduced by 5.6

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