[indent] Forbidden to use spaces when declaring a custom type with several types

[a-tarasyuk]

Repro

{
    "parser": "@typescript-eslint/parser",
    "parserOptions": {
        "sourceType": "module",
        "project": "./tsconfig.json"
    },
    "plugins": [
        "@typescript-eslint",
    ],
    "rules": {
        "indent": "off",
        "@typescript-eslint/indent": ["error", 4, {
            "SwitchCase": 1
        }],
    }
}

export type ProjectServiceEvent = LargeFileReferencedEvent
   | ProjectsUpdatedInBackgroundEvent
   | ProjectLoadingStartEvent
   | ProjectLoadingFinishEvent
   | ConfigFileDiagEvent
   | ProjectLanguageServiceStateEvent
   | ProjectInfoTelemetryEvent
   | OpenFileInfoTelemetryEvent;

Expected Result
No indent error should keep the indentation of 4 spaces.

Actual Result
Expected indentation of 0 spaces but found 4.

Versions

package	version
@typescript-eslint/eslint-plugin	1.10.2
@typescript-eslint/parser	1.10.2
TypeScript	3.5.2
ESLint	5.16.0
node	8.15.0
npm	6.4.1

[j-f1]

You might be able to fix this by putting the first type reference onto the next line and adding a | in front of it, which is syntactically valid.

[j-f1]

I still think that this is a bug which should be fixed.

[bradzacher]

Duplicate of #121

This requires the indent rewrite to handle, because by default eslint completely ignores the indentation of binary operations.