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/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
/**
* Simple utility to validate objects against JSON Schemas
*/
export class SchemaValidator {
/**
* Validates data against a JSON schema
* @param schema JSON Schema to validate against
* @param data Data to validate
* @returns True if valid, false otherwise
*/
static validate(schema: Record<string, unknown>, data: unknown): boolean {
// This is a simplified implementation
// In a real application, you would use a library like Ajv for proper validation
// Check for required fields
if (schema.required && Array.isArray(schema.required)) {
const required = schema.required as string[];
const dataObj = data as Record<string, unknown>;
for (const field of required) {
if (dataObj[field] === undefined) {
console.error(`Missing required field: ${field}`);
return false;
}
}
}
// Check property types if properties are defined
if (schema.properties && typeof schema.properties === 'object') {
const properties = schema.properties as Record<string, { type?: string }>;
const dataObj = data as Record<string, unknown>;
for (const [key, prop] of Object.entries(properties)) {
if (dataObj[key] !== undefined && prop.type) {
const expectedType = prop.type;
const actualType = Array.isArray(dataObj[key])
? 'array'
: typeof dataObj[key];
if (expectedType !== actualType) {
console.error(
`Type mismatch for property "${key}": expected ${expectedType}, got ${actualType}`,
);
return false;
}
}
}
}
return true;
}
}
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