Prepare for TS #32558

[ahejlsberg]

Prepare baconjs tests for microsoft/TypeScript#32558.

[typescript-bot]

@ahejlsberg Thank you for submitting this PR!

🔔 @alexander-matsievsky @Gekkio - please review this PR in the next few days. Be sure to explicitly select Approve or Request Changes in the GitHub UI so I know what's going on.

If no reviewer appears after a week, a DefinitelyTyped maintainer will review the PR instead.

[typescript-bot]

👋 Hi there! I’ve run some quick performance metrics against master and your PR. This is still an experiment, so don’t panic if I say something crazy! I’m still learning how to interpret these metrics.

Let’s review the numbers, shall we?

Comparison details 📊

	master	#37167	diff
Batch compilation
Memory usage (MiB)	136.1	140.2	+3.0%
Type count	35912	36176	+0.7%
Assignability cache size	35152	35225	+0.2%
Subtype cache size	423	423	0.0%
Identity cache size	565	564	-0.2%
Language service
Samples taken	877	883	+0.7%
Identifiers in tests	877	883	+0.7%
getCompletionsAtPosition
Mean duration (ms)	945.9	941.4	-0.5%
Median duration (ms)	905.0	905.7	+0.1%
Mean CV	7.6%	7.4%	-3.0%
Worst duration (ms)	1498.8	1457.0	-2.8%
Worst identifier	$	$
getQuickInfoAtPosition
Mean duration (ms)	970.3	956.5	-1.4%
Median duration (ms)	919.9	916.5	-0.4%
Mean CV	8.8%	8.8%	+0.7%
Worst duration (ms)	1415.9	1429.4	+0.9%
Worst identifier	retry	onValue

It looks like nothing changed too much. I’m pretty lenient since I’m still an experiment, so take a look anyways and make sure nothing looks out of place.

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If you have any questions or comments about me, you can ping @andrewbranch. Have a nice day!