react-native-purchases-ui/lib/typescript/src/customVariables.d.ts

React Native in-app purchases and subscriptions made easy. Supports iOS and Android.

/**
 * A value type for custom paywall variables that can be passed to paywalls at runtime.
 *
 * Custom variables allow developers to personalize paywall text with dynamic values.
 * Variables are defined in the RevenueCat dashboard and can be overridden at runtime.
 *
 * Currently only string values are supported. Additional types may be added in the future.
 *
 * @example
 * ```typescript
 * RevenueCatUI.presentPaywall({
 *   customVariables: {
 *     'player_name': CustomVariableValue.string('John'),
 *     'level': CustomVariableValue.string('42'),
 *   },
 * });
 * ```
 *
 * In the paywall text (configured in the dashboard), use the `custom.` prefix:
 * ```
 * Hello {{ custom.player_name }}!
 * ```
 */
export type CustomVariableValue = {
    readonly type: 'string';
    readonly value: string;
};
/**
 * Factory methods for creating CustomVariableValue instances.
 */
export declare const CustomVariableValue: {
    /**
     * Creates a string custom variable value.
     * @param value The string value for the custom variable.
     * @returns A CustomVariableValue containing the string.
     */
    readonly string: (value: string) => CustomVariableValue;
};
/**
 * A map of custom variable names to their values.
 */
export type CustomVariables = {
    [key: string]: CustomVariableValue;
};
/**
 * Internal type for custom variables as sent to native bridge.
 * Currently only string values are supported.
 * @internal
 */
export type NativeCustomVariables = {
    [key: string]: string;
};
/**
 * Converts CustomVariables to a string map for native bridge.
 * @internal
 * @visibleForTesting
 */
export declare function convertCustomVariablesToStringMap(customVariables: CustomVariables | undefined): NativeCustomVariables | null;
/**
 * Transforms options to native format, converting CustomVariables to string map.
 * @internal
 * @visibleForTesting
 */
export declare function transformOptionsForNative<T extends {
    customVariables?: CustomVariables;
}>(options: T | undefined): (Omit<T, 'customVariables'> & {
    customVariables?: NativeCustomVariables | null;
}) | undefined;
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