@fedmcp/core/dist/artifact.js

Federal Model Context Protocol - TypeScript implementation

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.FedMCPArtifact = void 0;
const uuid_1 = require("uuid");
const crypto_1 = require("crypto");
class FedMCPArtifact {
    constructor(params) {
        this.id = params.id || (0, uuid_1.v4)();
        this.type = params.type;
        this.version = params.version || 1;
        this.workspaceId = params.workspaceId;
        this.createdAt = params.createdAt || new Date().toISOString();
        this.jsonBody = params.jsonBody;
        this.validate();
    }
    validate() {
        if (!this.id)
            throw new Error('Artifact ID is required');
        if (!this.type)
            throw new Error('Artifact type is required');
        if (!this.workspaceId)
            throw new Error('Workspace ID is required');
        if (this.version < 1)
            throw new Error('Version must be >= 1');
        if (!this.jsonBody || Object.keys(this.jsonBody).length === 0) {
            throw new Error('jsonBody cannot be empty');
        }
        // Check 1 MiB size limit
        const size = new TextEncoder().encode(JSON.stringify(this.jsonBody)).length;
        if (size > 1024 * 1024) {
            throw new Error(`jsonBody size ${size} exceeds 1 MiB limit`);
        }
    }
    canonicalize() {
        // RFC 8785 JSON Canonicalization
        // For now, using sorted keys
        return JSON.stringify(this, Object.keys(this).sort());
    }
    hash() {
        const canonical = this.canonicalize();
        return (0, crypto_1.createHash)('sha256').update(canonical).digest('hex');
    }
    toJSON() {
        return {
            id: this.id,
            type: this.type,
            version: this.version,
            workspaceId: this.workspaceId,
            createdAt: this.createdAt,
            jsonBody: this.jsonBody
        };
    }
}
exports.FedMCPArtifact = FedMCPArtifact;
//# sourceMappingURL=artifact.js.map