@nestjs-mcp/server
Version:
Modular library for building scalable MCP servers with NestJS, providing decorators and integration patterns as a wrapper for the official MCP TypeScript SDK.
85 lines • 3.5 kB
JavaScript
;
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.DiscoveryService = void 0;
const common_1 = require("@nestjs/common");
const core_1 = require("@nestjs/core");
let DiscoveryService = class DiscoveryService {
discoveryService;
metadataScanner;
reflector;
constructor(discoveryService, metadataScanner, reflector) {
this.discoveryService = discoveryService;
this.metadataScanner = metadataScanner;
this.reflector = reflector;
}
getAllMethodsWithMetadata(metadataKey) {
const providers = this.discoveryService.getProviders();
const result = [];
for (const provider of providers) {
if (!provider.instance) {
continue;
}
const methods = this.getMethodsWithMetadataFromProvider(provider, metadataKey);
if (methods.length > 0) {
result.push(...methods);
}
}
return result;
}
getMethodsWithMetadataFromProvider(provider, metadataKey) {
if (!provider.instance) {
return [];
}
const instance = provider.instance;
const instancePrototype = Object.getPrototypeOf(instance);
if (!instancePrototype) {
return [];
}
const methodNames = this.metadataScanner.getAllMethodNames(instancePrototype);
const result = [];
for (const methodName of methodNames) {
const methodFunction = instancePrototype[methodName];
if (typeof methodFunction !== 'function') {
continue;
}
const metadata = this.reflector.get(metadataKey, methodFunction);
if (metadata) {
const handlerProperty = instance[methodName];
if (typeof handlerProperty !== 'function') {
continue;
}
const handler = ((...args) => {
return handlerProperty.apply(instance, args);
});
Object.defineProperty(handler, 'name', {
value: methodName,
writable: false,
});
result.push({
method: methodName,
metadata: metadata,
handler,
instance,
});
}
}
return result;
}
};
exports.DiscoveryService = DiscoveryService;
exports.DiscoveryService = DiscoveryService = __decorate([
(0, common_1.Injectable)(),
__metadata("design:paramtypes", [core_1.DiscoveryService,
core_1.MetadataScanner,
core_1.Reflector])
], DiscoveryService);
//# sourceMappingURL=discovery.service.js.map