@modelcontextprotocol/sdk
Version:
Model Context Protocol implementation for TypeScript
66 lines • 2.57 kB
JavaScript
/**
* Experimental task capability assertion helpers.
* WARNING: These APIs are experimental and may change without notice.
*
* @experimental
*/
/**
* Asserts that task creation is supported for tools/call.
* Used by Client.assertTaskCapability and Server.assertTaskHandlerCapability.
*
* @param requests - The task requests capability object
* @param method - The method being checked
* @param entityName - 'Server' or 'Client' for error messages
* @throws Error if the capability is not supported
*
* @experimental
*/
export function assertToolsCallTaskCapability(requests, method, entityName) {
var _a;
if (!requests) {
throw new Error(`${entityName} does not support task creation (required for ${method})`);
}
switch (method) {
case 'tools/call':
if (!((_a = requests.tools) === null || _a === void 0 ? void 0 : _a.call)) {
throw new Error(`${entityName} does not support task creation for tools/call (required for ${method})`);
}
break;
default:
// Method doesn't support tasks, which is fine - no error
break;
}
}
/**
* Asserts that task creation is supported for sampling/createMessage or elicitation/create.
* Used by Server.assertTaskCapability and Client.assertTaskHandlerCapability.
*
* @param requests - The task requests capability object
* @param method - The method being checked
* @param entityName - 'Server' or 'Client' for error messages
* @throws Error if the capability is not supported
*
* @experimental
*/
export function assertClientRequestTaskCapability(requests, method, entityName) {
var _a, _b;
if (!requests) {
throw new Error(`${entityName} does not support task creation (required for ${method})`);
}
switch (method) {
case 'sampling/createMessage':
if (!((_a = requests.sampling) === null || _a === void 0 ? void 0 : _a.createMessage)) {
throw new Error(`${entityName} does not support task creation for sampling/createMessage (required for ${method})`);
}
break;
case 'elicitation/create':
if (!((_b = requests.elicitation) === null || _b === void 0 ? void 0 : _b.create)) {
throw new Error(`${entityName} does not support task creation for elicitation/create (required for ${method})`);
}
break;
default:
// Method doesn't support tasks, which is fine - no error
break;
}
}
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