tsconfig.json

{
  "compilerOptions": {
    "jsx": "react-jsx",
    "target": "esnext",
    "module": "CommonJS",
    "moduleResolution": "node",
    "allowJs": true,
    "noEmit": true,
    "strict": true,
    "noImplicitReturns": true,
    "noUncheckedIndexedAccess": true,
    "esModuleInterop": true,
    "skipLibCheck": true,
    "baseUrl": "./",
    "incremental": true,
    "tsBuildInfoFile": "tmp/cache/tsconfig.tsbuildinfo",
    "paths": {
      "locales": ["app/javascript/locales"],
      "styles/*": ["app/javascript/styles/*"],
      "packs/public-path": ["app/javascript/packs/public-path"],
      "flavours/glitch": ["app/javascript/flavours/glitch"],
      "flavours/glitch/*": ["app/javascript/flavours/glitch/*"],
      "mastodon": ["app/javascript/mastodon"],
      "mastodon/*": ["app/javascript/mastodon/*"],
      "@/*": ["app/javascript/*"]
    }
  },
  "include": [
    "app/javascript/mastodon",
    "app/javascript/entrypoints",
    "app/javascript/types",
    "app/javascript/flavours/glitch"
  ]
}