@nestjs-mcp/server/dist/services/logger.service.js

Modular library for building scalable MCP servers with NestJS, providing decorators and integration patterns as a wrapper for the official MCP TypeScript SDK.

"use strict";
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);
};
var __param = (this && this.__param) || function (paramIndex, decorator) {
    return function (target, key) { decorator(target, key, paramIndex); }
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.McpLoggerService = void 0;
const common_1 = require("@nestjs/common");
let McpLoggerService = class McpLoggerService {
    logger;
    options;
    constructor(options) {
        this.options = {
            enabled: options?.enabled !== false,
            level: options?.level || 'verbose',
        };
        this.logger = new common_1.Logger('MCP');
    }
    debug(message, context) {
        if (!this.options.enabled ||
            this.getLevelValue(this.options.level) > this.getLevelValue('debug')) {
            return;
        }
        const formattedContext = this.formatContext(context);
        this.logger.debug(message, formattedContext);
    }
    verbose(message, context) {
        if (!this.options.enabled ||
            this.getLevelValue(this.options.level) > this.getLevelValue('verbose')) {
            return;
        }
        const formattedContext = this.formatContext(context);
        this.logger.verbose(message, formattedContext);
    }
    log(message, context) {
        if (!this.options.enabled ||
            this.getLevelValue(this.options.level) > this.getLevelValue('log')) {
            return;
        }
        const formattedContext = this.formatContext(context);
        this.logger.log(message, formattedContext);
    }
    warn(message, context) {
        if (!this.options.enabled ||
            this.getLevelValue(this.options.level) > this.getLevelValue('warn')) {
            return;
        }
        const formattedContext = this.formatContext(context);
        this.logger.warn(message, formattedContext);
    }
    error(message, trace, context) {
        if (!this.options.enabled ||
            this.getLevelValue(this.options.level) > this.getLevelValue('error')) {
            return;
        }
        const formattedContext = this.formatContext(context);
        this.logger.error(message, trace, formattedContext);
    }
    isEnabled() {
        return this.options.enabled;
    }
    getLevel() {
        return this.options.level;
    }
    formatContext(context) {
        if (!context) {
            return '@mcp';
        }
        return `@mcp:${context}`;
    }
    getLevelValue(level) {
        const levels = {
            debug: 0,
            verbose: 1,
            log: 2,
            warn: 3,
            error: 4,
        };
        return levels[level] ?? 2;
    }
};
exports.McpLoggerService = McpLoggerService;
exports.McpLoggerService = McpLoggerService = __decorate([
    (0, common_1.Injectable)(),
    __param(0, (0, common_1.Optional)()),
    __param(0, (0, common_1.Inject)('MCP_LOGGING_OPTIONS')),
    __metadata("design:paramtypes", [Object])
], McpLoggerService);
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