🐛 Bug: .value does not exist in BooleanLiteralType

[kirkwaiblinger]

Bug Report Checklist

• I have tried restarting my IDE and the issue persists.
• I have pulled the latest main branch of the repository.
• I have searched for related issues and found none that matched my issue.

Expected

In this snippet

if (tsapiutils.isBooleanLiteralType(type)) {
    assert(typeof type.value === 'boolean'); 
}

I expect the assertion to pass.

Actual

It fails; there is no .value field in the TS type, so the type is undefined.

Additional Info

The type is defined like so:

ts-api-utils/src/types/typeGuards/literal.ts

Lines 6 to 14 in 8c74729

	/**
	* A boolean literal.
	* i.e. Either a "true" or "false" literal.
	* @category Type Types
	*/
	export interface BooleanLiteralType extends UnknownLiteralType {
	intrinsicName: "false" | "true";
	value: boolean;
	}

typescript-eslint playground link where you can see .value isn't there.

Workaround in use case in typescript-eslint:
https://github.com/typescript-eslint/typescript-eslint/blob/07a6e23f489be8908ff690885343378398012130/packages/eslint-plugin/src/rules/no-unnecessary-condition.ts#L66-L88

[JoshuaKGoldberg]

Spooky. Maybe it used to exist, but no longer does?

[JoshuaKGoldberg]

@all-contributors please add @kirkwaiblinger for bug.

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[allcontributors]

@JoshuaKGoldberg

I've put up a pull request to add @kirkwaiblinger! 🎉

[kirkwaiblinger]

Spooky. Maybe it used to exist, but no longer does?

Yeah, I was wondering that, too - didn't see it on any of the TS versions available on the playground, so, if so, maybe it hasn't been that way for a while? 🤷‍♂️