[Bug]: @storybook/react types is incompatible with @types/react@19 Cannot find namespace 'JSX'.

[devjiwonchoi]

Describe the bug

When using @types/[email protected], namespace JSX is incompatible with @storybook/react.

../../node_modules/.pnpm/@[email protected]_@[email protected][email protected]_prettie
│ [email protected][email protected]._5kgjpaibxhkriyp7xn7cohsd4e/node_modules/@storybook/react/dist/types
│ -a5624094.d.ts:7:18 - error TS2503: Cannot find namespace 'JSX'.
│ 
│ 7     mount: (ui?: JSX.Element) => Promise<Canvas>;

Reproduction link

https://github.com/devjiwonchoi/repro-storybook-react-types

Reproduction steps

To reproduce, run:

pnpm install && pnpm typecheck

System

Storybook Environment Info:

  System:
    OS: macOS 15.1.1
    CPU: (12) arm64 Apple M3 Pro
    Shell: 5.9 - /bin/zsh
  Binaries:
    Node: 18.18.0 - ~/.local/state/fnm_multishells/39919_1730290910573/bin/node
    Yarn: 1.22.19 - /usr/local/bin/yarn
    npm: 9.8.1 - ~/.local/state/fnm_multishells/39919_1730290910573/bin/npm
    pnpm: 8.15.4 - /usr/local/bin/pnpm <----- active
  Browsers:
    Chrome: 131.0.6778.140
    Safari: 18.1.1
  npmPackages:
    @storybook/react: ^8.4.7 => 8.4.7

Additional context

No response