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/// <reference lib is stripped out of d.ts file #58956
Description
🔎 Search Terms
reference lib elided disposable
🕗 Version & Regression Information
- This changed between versions 5.4.5 and 5.5.2
(not fixed in nightly)
⏯ Playground Link
💻 Code
/// <reference lib="esnext.disposable" />
export interface Thing extends Disposable {}🙁 Actual behavior
Output d.ts is
export interface Thing extends Disposable {
}🙂 Expected behavior
The .d.ts file should be like it was in 5.4.5
/// <reference lib="esnext.disposable" />
export interface Thing extends Disposable {
}Additional information about the issue
No response
Activity
jakebailey commentedon Jun 21, 2024
This is by design: https://devblogs.microsoft.com/typescript/announcing-typescript-5-5/#simplified-reference-directive-declaration-emit
Changed in #57681.
You must now write:
/// <reference lib="esnext.disposable" preserve="true" />SimenB commentedon Jun 21, 2024
Ah, somehow missed that. Thanks!
An awesome change - I have some code when building definition files I can probably delete, then.
https://github.com/jestjs/jest/blob/046787eafae9ea0515b19e81f30758e0f040f077/scripts/buildTs.mjs#L205-L232