native-base/lib/module/utils/createContext.js

Essential cross-platform UI components for React Native

import React from 'react';

function createContext(rootComponentName) {
  const Context = /*#__PURE__*/React.createContext(null);

  function Provider(props) {
    const {
      children,
      ...providerProps
    } = props; // Only re-memoize when prop values change

    const value = React.useMemo(() => providerProps, // eslint-disable-next-line react-hooks/exhaustive-deps
    Object.values(providerProps));
    return /*#__PURE__*/React.createElement(Context.Provider, {
      value: value
    }, children);
  }

  function useContext(consumerName) {
    const context = React.useContext(Context);

    if (context === null) {
      throw new Error("`".concat(consumerName, "` must be used within `").concat(rootComponentName, "`"));
    }

    return context;
  }

  Provider.displayName = rootComponentName + 'Provider';
  return [Provider, useContext];
}

export { createContext };
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