@tanstack/ai-mcp/dist/esm/input-required.js

Host-side Model Context Protocol client for TanStack AI: discover and run MCP server tools, resources, and prompts in any adapter's chat() loop, with generated end-to-end types.

//#region src/input-required.ts
/**
* Thrown when an MCP call needs input outside `chat()`.
*
* `kind` is `form` for user input, or `sampling` for a model request.
* `request` is the MCP input request body.
* The `name` is always `MCPInputRequiredError`.
* Another package can read this shape without an import of this class.
*
* @param kind - `form` for user input, or `sampling` for a model request
* @param request - The MCP input request body
*
* @example
* throw new MCPInputRequiredError('form', { message: 'Which city?' })
*/
var MCPInputRequiredError = class extends Error {
	kind;
	request;
	constructor(kind, request) {
		super("The MCP server asked for input. Retry the call with the result.");
		this.kind = kind;
		this.request = request;
		this.name = "MCPInputRequiredError";
	}
};
/**
* This function returns true when `value` has the input-required error shape.
*
* The check reads `name`, `kind`, and `request`.
* A plain object with those fields passes.
* The check does not use `instanceof`.
*
* @param value - A thrown value, or a plain object
*
* @example
* if (isMCPInputRequiredError(error)) {
*   error.kind
* }
*/
function isMCPInputRequiredError(value) {
	if (typeof value !== "object" || value === null) return false;
	if (!("name" in value) || value.name !== "MCPInputRequiredError") return false;
	if (!("kind" in value)) return false;
	if (!(value.kind === "form" || value.kind === "sampling")) return false;
	return "request" in value;
}
//#endregion
export { MCPInputRequiredError, isMCPInputRequiredError };

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