docs(how-to/route-module-type-safety): update tsconfig reference

[coryhouse]

Vite comes with 3 ts config files. The current docs assume a single tsconfig.json.

If I change the plain tsconfig.json to this:

{
  "files": [],
  "references": [
    { "path": "./tsconfig.app.json" },
    { "path": "./tsconfig.node.json" }
  ],
  "include": [".react-router/types/**/*"],
  "compilerOptions": {
    "rootDirs": [".", "./.react-router/types"]
  }
}

I get this error: Referenced project '/Users/coryhouse/Projects/react-router-7-demo/tsconfig.app.json' must have setting "composite": true.

Should these changes be applied to one of the other Vite tsconfig files?

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[brookslybrand]

I think this depends a lot on your setup. The default template just has a single tsconfig.json file

I'll defer to @pcattori here though if he thinks it'd be more clear to change the filename in this doc

[pcattori]

Thanks @coryhouse for bringing this up! I decided to add this as a separate paragraph to keep the happy path as minimal as possible.

Superseded by #12393