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Add React 19 support #49

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Merged
betula merged 1 commit into from
Nov 25, 2025
Merged

Add React 19 support #49

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25 changes: 22 additions & 3 deletions src/lib/react-shared-internals.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -2,14 +2,33 @@ import * as React from 'react'

type AnyHook = (...args: any[]) => any;
type ReactSharedInternalsType = {
// React 18 and below
ReactCurrentDispatcher: {
current?: {
[name: string]: AnyHook
};
};
} | {
// React 19
H: {
[name: string]: AnyHook
} | null
}

export const ReactSharedInternals =
(React as any).__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED as ReactSharedInternalsType
export const ReactSharedInternals: ReactSharedInternalsType =
(React as any).__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED ??
(React as any).__CLIENT_INTERNALS_DO_NOT_USE_OR_WARN_USERS_THEY_CANNOT_UPGRADE ??
(React as any).__SERVER_INTERNALS_DO_NOT_USE_OR_WARN_USERS_THEY_CANNOT_UPGRADE;

export const ReactCurrentDispatcher = ReactSharedInternals.ReactCurrentDispatcher
function resolveDispatcher() {
if("ReactCurrentDispatcher" in ReactSharedInternals) {
return ReactSharedInternals.ReactCurrentDispatcher;
} else {
return Object.defineProperty({}, 'current', {
get: () => ReactSharedInternals.H ?? undefined,
set: (v) => { ReactSharedInternals.H = v },
});
}
}

export const ReactCurrentDispatcher = resolveDispatcher();
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