native-variants/dist/provider/create-provider.jsx

A library for handling variants in React Native components with theme support.

"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
exports.createCTX = createCTX;
const react_1 = __importStar(require("react"));
/**
 * Creates a type-safe context with provider and hook.
 * Useful for creating component-level contexts for sharing props.
 *
 * @template T - The type of props to share via context
 * @returns Object containing CTXProvider component and useCTX hook
 *
 * @example
 * ```ts
 * // Define props type
 * type ButtonContextProps = {
 *   size: "sm" | "md" | "lg";
 *   variant: "primary" | "secondary";
 *   disabled?: boolean;
 * };
 *
 * // Create context
 * const { CTXProvider: ButtonProvider, useCTX: useButtonContext } =
 *   createCTX<ButtonContextProps>();
 *
 * // Use in parent component
 * function ButtonGroup({ children }) {
 *   return (
 *     <ButtonProvider props={{ size: "md", variant: "primary" }}>
 *       {children}
 *     </ButtonProvider>
 *   );
 * }
 *
 * // Use in child component
 * function ButtonText() {
 *   const context = useButtonContext();
 *   // context?.size, context?.variant, etc.
 * }
 * ```
 */
function createCTX() {
    const Context = (0, react_1.createContext)(undefined);
    /**
     * Context Provider component.
     * Wraps children and provides the props value to all descendants.
     *
     * @param children - React children nodes
     * @param props - The props object to provide to context consumers
     */
    function CTXProvider({ children, props, }) {
        const value = (0, react_1.useMemo)(() => ({ props }), [props]);
        return <Context.Provider value={value}>{children}</Context.Provider>;
    }
    /**
     * Hook to consume the context value.
     * Returns undefined if used outside of a CTXProvider.
     *
     * @returns The context props or undefined if outside provider
     */
    function useCTX() {
        const context = (0, react_1.useContext)(Context);
        if (!context) {
            return undefined;
        }
        return context.props;
    }
    /**
     * Hook that requires context to be present.
     * Throws an error if used outside of a CTXProvider.
     *
     * @param componentName - Name of the component using the hook (for error messages)
     * @returns The context props (guaranteed to be defined)
     * @throws Error if used outside of CTXProvider
     */
    function useRequiredCTX(componentName = "Component") {
        const context = (0, react_1.useContext)(Context);
        if (!context) {
            throw new Error(`${componentName} must be used within a CTXProvider. ` +
                `Make sure to wrap your component tree with the appropriate provider.`);
        }
        return context.props;
    }
    return {
        /** Provider component that makes context available to children */
        CTXProvider,
        /** Hook to optionally consume context (returns undefined if outside provider) */
        useCTX,
        /** Hook that requires context (throws if outside provider) */
        useRequiredCTX,
    };
}
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