💅 `lint/nursery/useExhaustiveSwitchCases` doesn't recognize method params with default values

### Environment information

```bash
CLI:
  Version:                      2.2.4
  Color support:                true

Platform:
  CPU Architecture:             x86_64
  OS:                           windows

Environment:
  BIOME_LOG_PATH:               unset
  BIOME_LOG_PREFIX_NAME:        unset
  BIOME_CONFIG_PATH:            unset
  BIOME_THREADS:                unset
  NO_COLOR:                     unset
  TERM:                         unset
  JS_RUNTIME_VERSION:           v22.16.0
  JS_RUNTIME_NAME:              node
  NODE_PACKAGE_MANAGER:         pnpm/10.15.1

Biome Configuration:
  Status:                       Loaded successfully
  Path:                         biome.jsonc
  Formatter enabled:            true
  Linter enabled:               true
  Assist enabled:               true
  VCS enabled:                  false

Workspace:
  Open Documents:               0
```

### Rule name

lint/nursery/useExhaustiveSwitchCases

### Playground link

https://biomejs.dev/playground/?lineWidth=120&indentStyle=space&lintRules=useExhaustiveSwitchCases&code=aQBuAHQAZQByAGYAYQBjAGUAIAB0AGUAcwB0ACAAewAKACAAIABhAD8AOgAgAG4AdQBtAGIAZQByADsACgAgACAAYgA%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%3D%3D

### Expected result

Biome should recognize that the function parameter has a default value and can never be `undefined`, thus not issuing a diagnostic on a `switch` block that doesn't have the `undefined` case handled.

### Code of Conduct

- [x] I agree to follow Biome's Code of Conduct

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

Uh oh!

Uh oh!

💅 `lint/nursery/useExhaustiveSwitchCases` doesn't recognize method params with default values #7525

Environment information

Rule name

Playground link

Expected result

Code of Conduct

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Uh oh!

💅 lint/nursery/useExhaustiveSwitchCases doesn't recognize method params with default values #7525

Description

Environment information

Rule name

Playground link

Expected result

Code of Conduct

Metadata

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Issue actions

💅 `lint/nursery/useExhaustiveSwitchCases` doesn't recognize method params with default values #7525