validation.js•1.51 kB
import { McpError, ErrorCode } from "@modelcontextprotocol/sdk/types.js";
export function validateRequired(params, requiredFields) {
const missingFields = requiredFields.filter(field => !params[field]);
if (missingFields.length > 0) {
throw new McpError(ErrorCode.InvalidParams, `Missing required parameters: ${missingFields.join(', ')}`);
}
}
export function validateEnum(value, validValues, fieldName) {
if (!value)
return undefined;
if (!validValues.includes(value)) {
throw new McpError(ErrorCode.InvalidParams, `Invalid ${fieldName}: ${value}. Valid values are: ${validValues.join(', ')}`);
}
return value;
}
export function sanitizeLimit(limit, max = 200) {
if (!limit)
return 100;
return Math.min(Math.max(1, Number(limit)), max);
}
export function buildFilterParams(filter = {}) {
const params = {};
Object.entries(filter).forEach(([key, value]) => {
if (value !== undefined && value !== null) {
if (Array.isArray(value)) {
params[`filter[${key}]`] = value.join(',');
}
else {
params[`filter[${key}]`] = String(value);
}
}
});
return params;
}
export function buildFieldParams(fields = {}) {
const params = {};
Object.entries(fields).forEach(([key, value]) => {
if (Array.isArray(value) && value.length > 0) {
params[`fields[${key}]`] = value.join(',');
}
});
return params;
}