Reproduce baseUrl + .js extension with .ts source

[JounQin]

No description provided.

[JounQin]

Besides, .cjs should try .cts, and .mjs should try .mts also.

.d.ts, .d.cts and .d.mts.

[JounQin]

get-tsconfig/src/paths/index.ts

Lines 61 to 63 in 96a5c10

	if (isRelativePathPattern.test(specifier)) {
	return [];
	}

And why relative paths are always ignored? I'm not quite sure to understand.

[JounQin]

./foo should also try foo/index.ts, ./foo.js should also try foo.js/index.ts 😂

For more test cases, please see https://github.com/alexgorbatchev/eslint-import-resolver-typescript/blob/master/tests/withJsExtension/test.js