The published types reference src/types/globals.d.ts, whose globals conflict with TypeScript's DOM library under skipLibCheck: false

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#59,649 2 bình luận 0 reaction 0 người được giao Xem trên GitHub

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Đánh giá

Độ khó
3/5
Thời gian dự kiến
1-2 ngày
Mức phù hợp với người mới
70/100
Loại issue
Lỗi
Độ rõ ràng
Đặc tả rõ ràng
Mức độ hoạt động
Sôi nổi
Công nghệ
react-native, typescript
Lĩnh vực
developer-experience, mobile-dev

Hướng nghiên cứu

Start with the types_generated/index.d.ts reference to src/types/globals.d.ts and the mandatory reproducer linked in the issue. Run yarn check:dom there to confirm the declaration conflicts with the DOM library. The issue is resolved when importing View with the stated TypeScript settings produces no errors from React Native's declarations.

Do mô hình lập chỉ mục viết ra từ nội dung của issue.

Mô tả

Description

types_generated/index.d.ts, the declaration file the package's exports name for react-native, starts with /// <reference path="../src/types/globals.d.ts" />. That file (globals.d.ts) declares its own fetch, Headers, Request, Response, FormData, XMLHttpRequest, URL, URLSearchParams, WebSocket, Blob, File, FileReader, AbortController, AbortSignal and timers as globals, and they differ from the declarations TypeScript's lib.dom.d.ts makes of the same names. So a project that type-checks its dependencies' declarations (skipLibCheck: false) and includes the DOM library, as a project sharing code with the web does, gets 69 errors in globals.d.ts from a plain import {View} from 'react-native'.

The generated declarations themselves import the Blob, FormData and ErrorUtils types they use by path, so the reference only adds these globals.

Steps to reproduce
  1. Clone https://github.com/YevheniiKotyrlo/react-native-typescript-declarations and run yarn install in ReproducerApp. It runs [email protected] with TypeScript 7.0.2 and @types/react 19.3.0.
  2. Run yarn check:dom. It type-checks declarations/import-react-native.ts, which is import {View} from 'react-native', with strict: true, skipLibCheck: false and lib: ["ES2024", "DOM", "DOM.Iterable"].

Expected: no errors from react-native's declarations.
Seen: 72 errors, 69 of them from the globals in src/types/globals.d.ts (TS2300, TS2403, TS2687, TS2717) and three from types_generated itself, which I reported in #59647. 0.88.1 prints the same 72.

React Native Version

0.88.1, and 0.89.0-nightly-20261029-25b05acd7

Affected Platforms

Other (please specify)

Output of npx @react-native-community/cli info
System:
  OS: Windows 11 10.0.26300
Binaries:
  Node:
    version: 26.12.1
  Yarn:
    version: 1.22.22
npmPackages:
  "@react-native-community/cli":
    installed: 20.2.0
    wanted: 20.2.0
  react:
    installed: 19.3.0
    wanted: 19.3.0
  react-native:
    installed: 0.89.0-nightly-20261029-25b05acd7
    wanted: 0.89.0-nightly-20261029-25b05acd7

The defect is in the published TypeScript declarations, so it shows on every platform; the reproducer only runs tsc.

Stacktrace or Logs

The first errors of yarn check:dom, cut at 200 characters:

node_modules/react-native/src/types/globals.d.ts(218,8): error TS2300: Duplicate identifier 'EndingType'.
node_modules/react-native/src/types/globals.d.ts(219,8): error TS2300: Duplicate identifier 'BlobPart'.
node_modules/react-native/src/types/globals.d.ts(220,8): error TS2300: Duplicate identifier 'BufferSource'.
node_modules/react-native/src/types/globals.d.ts(238,7): error TS2403: Subsequent variable declarations must have the same type.  Variable 'Blob' must be of type '{ new (blobParts?: BlobPart[] | undef
node_modules/react-native/src/types/globals.d.ts(252,7): error TS2403: Subsequent variable declarations must have the same type.  Variable 'File' must be of type '{ new (fileBits: BlobPart[], fileName
node_modules/react-native/src/types/globals.d.ts(273,9): error TS2300: Duplicate identifier 'FormData'.
node_modules/react-native/src/types/globals.d.ts(338,5): error TS2717: Subsequent property declarations must have the same type.  Property 'body' must be of type 'BodyInit | null | undefined', but her
node_modules/react-native/src/types/globals.d.ts(347,5): error TS2717: Subsequent property declarations must have the same type.  Property 'signal' must be of type 'AbortSignal | null | undefined', bu
node_modules/react-native/src/types/globals.d.ts(357,14): error TS2717: Subsequent property declarations must have the same type.  Property 'signal' must be of type 'AbortSignal', but here has type 'A
node_modules/react-native/src/types/globals.d.ts(361,7): error TS2403: Subsequent variable declarations must have the same type.  Variable 'Request' must be of type '{ new (input: URL | RequestInfo, i
node_modules/react-native/src/types/globals.d.ts(366,8): error TS2300: Duplicate identifier 'RequestInfo'.
node_modules/react-native/src/types/globals.d.ts(385,7): error TS2403: Subsequent variable declarations must have the same type.  Variable 'Response' must be of type '{ new (body?: BodyInit | null | u
node_modules/react-native/src/types/globals.d.ts(465,5): error TS2717: Subsequent property declarations must have the same type.  Property 'abort' must be of type 'ProgressEvent<XMLHttpRequestEventTar
node_modules/react-native/src/types/globals.d.ts(466,5): error TS2717: Subsequent property declarations must have the same type.  Property 'error' must be of type 'ProgressEvent<XMLHttpRequestEventTar
MANDATORY Reproducer

https://github.com/YevheniiKotyrlo/react-native-typescript-declarations

Screenshots and Videos

None: the failure is the type checker's output above.

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