fix(eslint-plugin): [strict-bool-expr] treat unconstrained generic as any

[phaux]

Fixes #3644

[typescript-eslint]

Thanks for the PR, @phaux!

typescript-eslint is a 100% community driven project, and we are incredibly grateful that you are contributing to that community.

The core maintainers work on this in their personal time, so please understand that it may not be possible for them to review your work immediately.

Thanks again!

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[codecov]

Codecov Report

Merging #3981 (66bcc69) into master (9aea46a) will increase coverage by 0.67%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #3981      +/-   ##
==========================================
+ Coverage   92.83%   93.50%   +0.67%     
==========================================
  Files         192      151      -41     
  Lines        8760     8143     -617     
  Branches     2690     2585     -105     
==========================================
- Hits         8132     7614     -518     
+ Misses        243      167      -76     
+ Partials      385      362      -23     

Flag	Coverage Δ
unittest	93.50% <100.00%> (+0.67%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...int-plugin/src/rules/strict-boolean-expressions.ts	98.78% <100.00%> (ø)
packages/eslint-plugin-tslint/src/rules/config.ts
packages/experimental-utils/src/ts-eslint/index.ts
packages/experimental-utils/src/ast-utils/misc.ts
.../experimental-utils/src/ts-eslint/ParserOptions.ts
...xperimental-utils/src/ts-eslint-scope/Reference.ts
...l-utils/src/ast-utils/eslint-utils/astUtilities.ts
...mental-utils/src/ts-eslint-scope/PatternVisitor.ts
packages/eslint-plugin-tslint/src/custom-linter.ts
...-internal/src/rules/no-typescript-estree-import.ts
... and 32 more

[nx-cloud]

Nx Cloud Report

CI ran the following commands for commit 66bcc69. Click to see the status, the terminal output, and the build insights.

📂 See all runs for this branch

Status	Command
	Node 12.x - nx test @typescript-eslint/eslint-plugin-internal
	Node 12.x - nx test @typescript-eslint/eslint-plugin-tslint
	Node 12.x - nx test @typescript-eslint/eslint-plugin
	Node 10.x - nx test @typescript-eslint/eslint-plugin-tslint
	Node 10.x - nx test @typescript-eslint/eslint-plugin
	Node 12.x - nx run-many --target=typecheck --all --parallel
	Node 12.x - nx run-many --target=build --all --parallel
	Node 14.x - nx test @typescript-eslint/parser
	Node 12.x - nx run-many --target=build --all --parallel
	Node 14.x - nx test @typescript-eslint/experimental-utils
	Node 14.x - nx test @typescript-eslint/scope-manager
	Node 14.x - nx test @typescript-eslint/visitor-keys
	Node 14.x - nx test @typescript-eslint/typescript-estree
	Node 14.x - nx run-many --target=build --all --parallel
	Node 12.x - nx test @typescript-eslint/parser
	Node 12.x - nx test @typescript-eslint/experimental-utils
	Node 12.x - nx test @typescript-eslint/scope-manager
	Node 12.x - nx test @typescript-eslint/visitor-keys
	Node 12.x - nx test @typescript-eslint/typescript-estree
	Node 12.x - nx run-many --target=build --all --parallel

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[JoshuaKGoldberg]

Super, thanks @phaux! 🚀

[JoshuaKGoldberg]

Haha, looks like the attached issue was already known at a point in time!

[phaux]

Yup, but I had no idea how to fix it until now and just assumed it's a bug in TS