@wearesage/schema

<!doctype html> <html lang="en"> <head> <title>Code coverage report for core/SchemaReflector.ts</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../prettify.css" /> <link rel="stylesheet" href="../base.css" /> <link rel="shortcut icon" type="image/x-icon" href="../favicon.png" /> <meta name="viewport" content="width=device-width, initial-scale=1" /> <style type='text/css'> .coverage-summary .sorter { background-image: url(../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1><a href="../index.html">All files</a> / <a href="index.html">core</a> SchemaReflector.ts</h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 100% Statements 40/40 </div> <div class='fl pad1y space-right2'> 87.09% Branches 27/31 </div> <div class='fl pad1y space-right2'> 87.5% Functions 7/8 </div> <div class='fl pad1y space-right2'> 100% Lines 40/40 </div> </div> Press n or j to go to the next uncovered block, b, p or k for the previous block. 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quiet">13x 13x   13x           13x             170x 170x       27x 27x 1x     26x 26x   26x     26x                   282x 282x     282x 282x 1x             281x     281x 1918x 1918x       20x       281x                       6x     6x     6x 1x                   6x                   7x                           7x 7x 4x       3x 3x   2x     1x 1x     1x       1x                                            </td><td class="text"><pre class="prettyprint lang-js">import { MetadataRegistry } from "./MetadataRegistry"; import { ValidationEngine, defaultValidationEngine } from "./ValidationEngine"; import type { ValidationResult } from "./types"; import 'reflect-metadata';   /** * SchemaReflector provides utilities for inspecting and validating * schema metadata from entity classes. */ export class SchemaReflector { /** * Creates a new SchemaReflector * @param registry The metadata registry to use (if not provided, a new one will be created) * @param validationEngine The validation engine to use (if not provided, the default one will be used) */ constructor( private registry: MetadataRegistry = new MetadataRegistry(), private validationEngine: ValidationEngine = defaultValidationEngine ) {}   getEntitySchema(entity: Function): any { const metadata = this.registry.getEntityMetadata(entity); if (!metadata) { throw new Error(`Class ${entity.name} is not decorated as an Entity`); }   const properties = this.registry.getAllProperties(entity) || new Map(); const idProperties = this.registry.getIdProperties(entity) || new Set(); const relationships = this.registry.getAllRelationships(entity) || new Map();   // Build schema representation return { name: metadata.name || entity.name, description: metadata.description, properties: Object.fromEntries(properties), idProperties: Array.from(idProperties), relationships: Object.fromEntries(relationships), }; }   validateEntity(entity: any): { valid: boolean; errors: string[] } { const constructor = entity.constructor; const errors: string[] = [];   // Check if entity is decorated const isEntity = Reflect.hasMetadata("entity:options", constructor); if (!isEntity) { return { valid: false, errors: ["Entity class is not properly decorated"], }; }   // Get all properties from reflect-metadata const registeredProperties: string[] = Reflect.getMetadata("entity:properties", constructor) || [];   // Validate required properties for (const propertyKey of registeredProperties) { const propertyOptions = Reflect.getMetadata("property:options", entity, propertyKey); if ( propertyOptions?.required && (entity[propertyKey] === undefined || entity[propertyKey] === null) ) { errors.push(`Required property '${propertyKey}' is missing`); } }   return { valid: errors.length === 0, errors, }; }   /** * Validates an entity using the new ValidationEngine * This method uses all validation decorators (@Min, @Max, @Email, etc.) */ async validateEntityWithRules(entity: any): Promise<ValidationResult> { // First run basic validation (required properties) const basicValidation = this.validateEntity(entity); // Then run validation rules const ruleValidation = await this.validationEngine.validate(entity); // Combine results const allErrors = [ ...basicValidation.errors.map(error => ({ property: 'unknown', value: undefined, message: error, rule: 'required', target: entity.constructor.name, })), ...ruleValidation.errors, ];   return { isValid: basicValidation.valid && ruleValidation.isValid, errors: allErrors, }; }   /** * Validates a specific property of an entity */ async validateProperty(entity: any, propertyKey: string): Promise<ValidationResult> { return await this.validationEngine.validateProperty(entity, propertyKey); } /** * Infer relationship type based on property type * This method can be used to automatically determine relationship types * based on TypeScript's metadata when using TypeScript with emitDecoratorMetadata * * @param target The target object (prototype) * @param propertyKey The property name * @returns The inferred relationship type or undefined if it cannot be determined */ inferRelationshipType(target: any, propertyKey: string): 'one-to-one' | 'one-to-many' | 'many-to-one' | 'many-to-many' | undefined { // First check if explicit relationship type is defined via decorators const explicitType = Reflect.getMetadata('relationship:type', target, propertyKey); if (explicitType) { return explicitType as any; } // Try to infer from property design type (requires emitDecoratorMetadata in tsconfig) const designType = Reflect.getMetadata('design:type', target, propertyKey); if (designType) { // Check if it's an array if (designType === Array) { // It's a "to-many" relationship, but we can't distinguish // between one-to-many and many-to-many without more context return undefined; } else if (designType.prototype && this.registry.getEntityMetadata(designType)) { // It's a "to-one" relationship to an entity, but we can't distinguish // between one-to-one and many-to-one without more context return undefined; } } return undefined; } /** * Automatically detect and register relationships from property types * This method would be used to enhance the reflection capabilities in the future * * @param entityClass The entity class to analyze */ detectRelationships(entityClass: Function): void { // This is a placeholder for future implementation // It would scan all properties of the class, and for those that are entities // or arrays of entities, it would register appropriate relationships   // Implementation would require: // 1. Get all properties from class prototype // 2. For each property, check if it's an entity type or array of entity type // 3. Register appropriate relationship metadata // Note: This would require emitDecoratorMetadata and appropriate tsconfig settings } }  </pre></td></tr></table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="https://istanbul.js.org/" target="_blank" rel="noopener noreferrer">istanbul</a> at 2025-07-06T17:54:58.910Z </div> <script src="../prettify.js"></script> <script> window.onload = function () { prettyPrint(); }; </script> <script src="../sorter.js"></script> <script src="../block-navigation.js"></script> </body> </html>