tsconfig.json

{
  "compilerOptions": {
    "target": "esnext",
    "module": "nodenext",
    "moduleResolution": "nodenext",
    "incremental": true,
    // This prevents checking of .d.ts files. We would like to check the ones we write
    // but we leave this off because of the errors in deps we don't control.
    "skipLibCheck": true,
    "allowJs": true,
    "checkJs": true,
    // Strictness audit 2026-02-24 by scripts/maintenance/typecheck-flag-report.mjs
    //  useUnknownInCatchVariables            128 errors
    //  exactOptionalPropertyTypes            221 errors
    //  noUnusedLocals                        590 errors
    //  noPropertyAccessFromIndexSignature    983 errors
    //  noUncheckedIndexedAccess             1584 errors
    //  strictFunctionTypes                  1717 errors
    //  noImplicitAny                        8869 errors
    //  strict                              10594 errors
    "strict": false,
    "strictNullChecks": true,
    "noImplicitThis": true,
    "alwaysStrict": true,
    "strictPropertyInitialization": true,
    "noFallthroughCasesInSwitch": true,
    "noImplicitOverride": true,
    "noUnusedParameters": true,
    "strictBindCallApply": true,
    "noImplicitReturns": true,
    "noUncheckedSideEffectImports": true,
    "erasableSyntaxOnly": true,
    "verbatimModuleSyntax": true,
    "types": ["node"],
    "typeRoots": ["./node_modules/@types"],
    // .ts and rewriting relative paths allow us to include in bundles
    // files that are JS executable (with TS chars blanked) but end in .ts
    "allowImportingTsExtensions": true,
    "rewriteRelativeImportExtensions": true,
    "noEmit": true
  },
  "include": [
    "eslint.config.mjs",
    "dist",
    "scripts",
  ]
}