[no-type-alias] Rule fails with "Unhandled in union types are not allowed." when encountering null #2328
Description
Repro
{
"rules": {
"@typescript-eslint/no-type-alias": [
"error",
{
"allowAliases": "always",
"allowCallbacks": "always",
"allowLiterals": "in-unions-and-intersections",
"allowMappedTypes": "always",
"allowTupleTypes": "always",
},
]
}
}export type Value = null | string | numberExpected Result
No errors
Actual Result
Unhandled in union types are not allowed.eslint@typescript-eslint/no-type-alias
Versions
| package | version |
|---|---|
@typescript-eslint/eslint-plugin |
3.7.0 |
@typescript-eslint/parser |
3.7.0 |
TypeScript |
3.9.7 |
ESLint |
7.5.0 |
node |
14.6.0 |
npm |
6.14.6 |