next-form-action/dist/server/index.js

A TypeScript library for handling server actions in Next.js with type-safe error handling and callbacks

export class ActionResponse extends Error {
    constructor(state) {
        super(state.message);
        this.state = state;
    }
}
export class ActionError extends ActionResponse {
    constructor(state) {
        super(state);
    }
}
export class ActionSuccess extends ActionResponse {
    constructor(state) {
        super(state);
    }
}
function isNextSystemError(error) {
    return error instanceof Error && "digest" in error && typeof error.digest === "string" && error.digest.startsWith("NEXT_");
}
export function error(message, params = {}) {
    throw new ActionError({ success: false, message, ...params });
}
export function success(message, params = {}) {
    throw new ActionSuccess({ success: true, message, ...params });
}
export function createAction(handler, context) {
    return async (data) => {
        try {
            return await handler(data);
        }
        catch (caughtError) {
            if (caughtError instanceof ActionResponse) {
                return caughtError.state;
            }
            if (isNextSystemError(caughtError)) {
                throw caughtError;
            }
            console.error(`Error in action${context ? ` "${context}"` : ""}:`, caughtError);
            const message = caughtError instanceof Error && caughtError.message
                ? caughtError.message
                : "An unexpected error occurred. Please try again.";
            return new ActionError({ success: false, message }).state;
        }
    };
}
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