microsoft / microsoft/TypeScript

wrong comment in emit js

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Description

TypeScript Version: 3.7.x-dev.201xxxxx

Search Terms:

Code

https://github.com/bluelovers/ws-regexp/blob/master/packages/regexp-support/index.ts

/**
	 * all flag support without name and pattern test
	 */
	flagsAll: testFlagsAll(RegExp, true),

	/**
	 * pattern support
	 */
	pattern: Object.keys(PatternSupport).reduce(function (a, key)
	{
		a[key] = testPattern(key);
		return a;
	}, {} as typeof PatternSupport),

Expected behavior:

Actual behavior:

image

Playground Link:

Related Issues:

Contributor guide

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First steps

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  4. Open a pull request that references the issue number.

Research direction

Start with the linked packages/regexp-support/index.ts reproduction and run it with the stated TypeScript 3.7.x-dev version, then inspect the emitted JavaScript comment shown in the attached image. The issue does not state the expected or actual comment text, so completion criteria need clarification before implementation.

Written by the indexing model from the issue text.

Assessment

Tech stack
javascript, typescript
Domain
compilers
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
20/100

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