tsconfig.json

{
  "compilerOptions": {
    "target": "ESNext",
    "module": "ESNext",
    "moduleResolution": "bundler",
    "strict": true,
    "skipLibCheck": true,
    "verbatimModuleSyntax": true,
    "isolatedModules": true,
    "forceConsistentCasingInFileNames": true,
    "noImplicitOverride": true,
    "noEmit": true,
    // obuild emits .d.mts through oxc's isolated-declarations transform: it
    // looks at one file at a time and refuses to guess a type it cannot read
    // off the source. When it refuses, the build *warns* and moves on — the
    // .mjs ships, the .d.mts silently does not, and `dist/index.d.mts` is
    // left importing a declaration file that was never written. v0.6.2 went
    // out that way, missing types for `errors`, `json/stream` and
    // `xml/parser`. Typechecking under the same rule turns that warning into
    // a `pnpm test` failure, where it is impossible to miss.
    "declaration": true,
    "isolatedDeclarations": true,
    // No ambient types, deliberately. The library is platform-neutral —
    // Web APIs only, no `node:` imports — and leaving `process`, `Buffer`
    // and friends undeclared is what keeps it that way: reaching for one
    // is a type error here rather than something that quietly works on
    // the machine it was written on. The CLI is the one part allowed node
    // builtins, and it is checked by tsconfig.cli.json instead. See #399.
    "types": []
  },
  "include": ["src", "test"],
  "exclude": [
    "src/cli.ts",
    "src/cli",
    "test/cli.test.ts",
    "test/threaded-comments-write.test.ts",
    "test/ods-fidelity.test.ts",
    "test/parity-statement.test.ts",
    "test/real-files.test.ts",
    "test/write-model.test.ts",
    // Reads src/_types.ts off disk, so it needs `node:fs` — the same
    // reason the file-reading tests above are here. See #474.
    "test/_reflect.ts",
    "test/reflect.test.ts",
    // Reads the fixture corpus off disk, so it needs `node:fs`.
    "test/third-party-fixtures.test.ts",
    "test/ods-third-party.test.ts",
    "test/worksheet-stream-chunks.test.ts",
    "test/xlsb-short-records.test.ts",
    "test/xlsx-stream-parity.test.ts",
    "test/indexed-color-palette.test.ts",
    "test/ods-column-default-style.test.ts",
    "test/builder-coverage.test.ts"
  ]
}