tsconfig.json

{
  "compilerOptions": {
    // ES2017 is the Next.js default and matches what the app actually ships:
    // Next transpiles for its own browserslist targets regardless of this, so
    // "es5" only ever constrained the type checker. It is also deprecated and
    // stops working in TypeScript 7.0.
    //
    // The practical effect is that iterator spread (`[...map.values()]`,
    // `[...str.matchAll()]`) now typechecks instead of demanding
    // `--downlevelIteration` or an Array.from rewrite.
    "target": "es2017",
    "lib": ["dom", "dom.iterable", "esnext"],
    "types": ["jest", "node"],
    "allowJs": true,
    "skipLibCheck": true,
    "strict": true,
    "strictNullChecks": true,
    "noEmit": true,
    "esModuleInterop": true,
    "module": "esnext",
    "moduleResolution": "bundler",
    "resolveJsonModule": true,
    "isolatedModules": true,
    "jsx": "preserve",
    "incremental": true,
    "plugins": [
      {
        "name": "next"
      }
    ],
    // `baseUrl` is deprecated in TS 7.0 and should eventually go, but it is
    // load-bearing today: ~40 files import via bare specifiers ("lib/prisma"
    // rather than "@/lib/prisma") and resolve only through it. Removing it is a
    // mechanical import rewrite across those files — worth doing, but not on a
    // branch about org chat surfaces.
    "baseUrl": ".",
    "paths": {
      "@/*": ["./*"]
    }
  },
  "include": [
    "next-env.d.ts",
    "types/**/*.ts",
    "**/*.ts",
    "**/*.tsx",
    ".next/types/**/*.ts",
    "tests/**/*.ts"
  ],
  "exclude": ["node_modules"]
}