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feat: add comprehensive validation utilities with Zod schemas
- Create validation utilities for entity schema generation - Support all field types (string, number, boolean, date, enum, array, object, relation) - Implement 13+ validation rules (required, min, max, pattern, email, url, etc.) - Add validation middleware for API routes - Include common schema patterns (email, uuid, phone, password, etc.) - Add 39 comprehensive unit tests covering all scenarios - Total tests now: 414 passing (98.9% pass rate) Co-authored-by: johndoe6345789 <224850594+johndoe6345789@users.noreply.github.com>
This commit is contained in:
copilot-swe-agent[bot]
@@ -0,0 +1,405 @@
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/**
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* Tests for validation utilities
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*/
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import { describe, it, expect } from 'vitest'
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import { z } from 'zod'
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import {
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generateFieldSchema,
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generateEntitySchema,
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validateEntity,
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formatValidationErrors,
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createValidationMiddleware,
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commonSchemas,
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type EntityDefinition,
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type FieldDefinition,
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} from './validation'
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describe('validation utilities', () => {
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describe('generateFieldSchema', () => {
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it.each([
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{ field: { name: 'name', type: 'string' as const }, value: 'John', shouldPass: true, description: 'string field' },
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{ field: { name: 'age', type: 'number' as const }, value: 25, shouldPass: true, description: 'number field' },
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{ field: { name: 'active', type: 'boolean' as const }, value: true, shouldPass: true, description: 'boolean field' },
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{ field: { name: 'createdAt', type: 'date' as const }, value: new Date(), shouldPass: true, description: 'date field' },
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{ field: { name: 'createdAt', type: 'date' as const }, value: '2024-01-01', shouldPass: true, description: 'date from string' },
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])('should generate schema for $description', ({ field, value, shouldPass }) => {
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const schema = generateFieldSchema(field)
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const result = schema.safeParse(value)
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expect(result.success).toBe(shouldPass)
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})
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it('should generate enum schema', () => {
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const field: FieldDefinition = {
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name: 'role',
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type: 'enum',
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enum: ['admin', 'user', 'guest'],
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}
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const schema = generateFieldSchema(field)
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expect(schema.safeParse('admin').success).toBe(true)
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expect(schema.safeParse('invalid').success).toBe(false)
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})
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it('should generate array schema', () => {
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const field: FieldDefinition = {
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name: 'tags',
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type: 'array',
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arrayItemType: 'string',
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}
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const schema = generateFieldSchema(field)
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expect(schema.safeParse(['tag1', 'tag2']).success).toBe(true)
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expect(schema.safeParse([1, 2]).success).toBe(false)
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expect(schema.safeParse('not-array').success).toBe(false)
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})
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it('should generate object schema', () => {
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const field: FieldDefinition = {
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name: 'profile',
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type: 'object',
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objectFields: [
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{ name: 'firstName', type: 'string', required: true },
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{ name: 'lastName', type: 'string', required: true },
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],
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}
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const schema = generateFieldSchema(field)
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expect(schema.safeParse({ firstName: 'John', lastName: 'Doe' }).success).toBe(true)
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expect(schema.safeParse({ firstName: 'John' }).success).toBe(false) // missing lastName
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expect(schema.safeParse('not-object').success).toBe(false)
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})
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it('should handle optional fields', () => {
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const field: FieldDefinition = {
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name: 'nickname',
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type: 'string',
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required: false,
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}
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const schema = generateFieldSchema(field)
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expect(schema.safeParse('Nick').success).toBe(true)
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expect(schema.safeParse(undefined).success).toBe(true)
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})
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it('should handle default values', () => {
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const field: FieldDefinition = {
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name: 'count',
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type: 'number',
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required: false,
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default: 0,
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}
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const schema = generateFieldSchema(field)
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const result = schema.safeParse(undefined)
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expect(result.success).toBe(true)
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if (result.success) {
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expect(result.data).toBe(0)
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}
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})
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it('should apply min validation for strings', () => {
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const field: FieldDefinition = {
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name: 'username',
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type: 'string',
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validation: [{ type: 'min', value: 3 }],
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}
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const schema = generateFieldSchema(field)
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expect(schema.safeParse('ab').success).toBe(false)
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expect(schema.safeParse('abc').success).toBe(true)
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})
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it('should apply max validation for strings', () => {
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const field: FieldDefinition = {
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name: 'username',
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type: 'string',
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validation: [{ type: 'max', value: 10 }],
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}
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const schema = generateFieldSchema(field)
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expect(schema.safeParse('a'.repeat(11)).success).toBe(false)
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expect(schema.safeParse('a'.repeat(10)).success).toBe(true)
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})
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it('should apply min/max validation for numbers', () => {
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const field: FieldDefinition = {
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name: 'age',
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type: 'number',
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validation: [
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{ type: 'min', value: 18 },
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{ type: 'max', value: 100 },
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],
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}
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const schema = generateFieldSchema(field)
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expect(schema.safeParse(17).success).toBe(false)
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expect(schema.safeParse(18).success).toBe(true)
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expect(schema.safeParse(100).success).toBe(true)
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expect(schema.safeParse(101).success).toBe(false)
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})
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it('should apply pattern validation', () => {
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const field: FieldDefinition = {
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name: 'username',
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type: 'string',
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validation: [{ type: 'pattern', value: '^[a-z]+$' }],
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}
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const schema = generateFieldSchema(field)
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expect(schema.safeParse('abc').success).toBe(true)
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expect(schema.safeParse('ABC').success).toBe(false)
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expect(schema.safeParse('abc123').success).toBe(false)
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})
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it('should apply email validation', () => {
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const field: FieldDefinition = {
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name: 'email',
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type: 'string',
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validation: [{ type: 'email' }],
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}
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const schema = generateFieldSchema(field)
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expect(schema.safeParse('user@example.com').success).toBe(true)
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expect(schema.safeParse('invalid-email').success).toBe(false)
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})
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it('should apply url validation', () => {
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const field: FieldDefinition = {
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name: 'website',
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type: 'string',
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validation: [{ type: 'url' }],
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}
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const schema = generateFieldSchema(field)
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expect(schema.safeParse('https://example.com').success).toBe(true)
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expect(schema.safeParse('not-a-url').success).toBe(false)
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})
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})
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describe('generateEntitySchema', () => {
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it('should generate schema for entity with multiple fields', () => {
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const entity: EntityDefinition = {
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name: 'User',
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fields: [
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{ name: 'id', type: 'string', required: true },
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{ name: 'name', type: 'string', required: true },
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{ name: 'email', type: 'string', required: true, validation: [{ type: 'email' }] },
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{ name: 'age', type: 'number', required: false },
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{ name: 'active', type: 'boolean', required: true },
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],
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}
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const schema = generateEntitySchema(entity)
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const validUser = {
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id: '123',
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name: 'John Doe',
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email: 'john@example.com',
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age: 30,
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active: true,
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}
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expect(schema.safeParse(validUser).success).toBe(true)
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const invalidUser = {
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id: '123',
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name: 'John Doe',
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email: 'invalid-email',
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active: true,
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}
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expect(schema.safeParse(invalidUser).success).toBe(false)
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})
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it('should handle nested objects', () => {
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const entity: EntityDefinition = {
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name: 'Post',
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fields: [
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{ name: 'id', type: 'string', required: true },
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{
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name: 'author',
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type: 'object',
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required: true,
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objectFields: [
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{ name: 'id', type: 'string', required: true },
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{ name: 'name', type: 'string', required: true },
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],
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},
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],
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}
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const schema = generateEntitySchema(entity)
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const validPost = {
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id: '1',
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author: { id: '2', name: 'John' },
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}
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expect(schema.safeParse(validPost).success).toBe(true)
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const invalidPost = {
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id: '1',
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author: { id: '2' }, // missing name
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}
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expect(schema.safeParse(invalidPost).success).toBe(false)
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})
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})
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describe('validateEntity', () => {
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const userEntity: EntityDefinition = {
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name: 'User',
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fields: [
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{ name: 'name', type: 'string', required: true },
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{ name: 'email', type: 'string', required: true, validation: [{ type: 'email' }] },
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{ name: 'age', type: 'number', required: false },
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],
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}
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it('should validate correct data', () => {
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const data = { name: 'John', email: 'john@example.com', age: 30 }
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const result = validateEntity(data, userEntity)
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expect(result.success).toBe(true)
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if (result.success) {
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expect(result.data).toEqual(data)
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}
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})
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it('should reject invalid data', () => {
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const data = { name: 'John', email: 'invalid-email' }
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const result = validateEntity(data, userEntity)
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expect(result.success).toBe(false)
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if (!result.success) {
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expect(result.errors).toBeDefined()
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}
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})
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it('should reject missing required fields', () => {
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const data = { name: 'John' } // missing email
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const result = validateEntity(data, userEntity)
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expect(result.success).toBe(false)
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})
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})
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describe('formatValidationErrors', () => {
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it('should format Zod errors into user-friendly messages', () => {
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const schema = z.object({
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name: z.string().min(3),
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email: z.string().email(),
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age: z.number().min(18),
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})
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const result = schema.safeParse({ name: 'ab', email: 'invalid', age: 17 })
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if (!result.success) {
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const formatted = formatValidationErrors(result.error)
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expect(formatted.name).toBeDefined()
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expect(formatted.email).toBeDefined()
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expect(formatted.age).toBeDefined()
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expect(formatted.name[0]).toContain('3')
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expect(formatted.email[0]).toContain('email')
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expect(formatted.age[0]).toContain('18')
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}
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})
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it('should handle nested field errors', () => {
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const schema = z.object({
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profile: z.object({
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firstName: z.string().min(1),
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lastName: z.string().min(1),
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}),
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})
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const result = schema.safeParse({ profile: { firstName: '', lastName: '' } })
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if (!result.success) {
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const formatted = formatValidationErrors(result.error)
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expect(formatted['profile.firstName']).toBeDefined()
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expect(formatted['profile.lastName']).toBeDefined()
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}
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})
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})
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describe('createValidationMiddleware', () => {
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it('should create middleware that validates data', async () => {
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const entity: EntityDefinition = {
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name: 'User',
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fields: [
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{ name: 'name', type: 'string', required: true },
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{ name: 'email', type: 'string', required: true, validation: [{ type: 'email' }] },
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],
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}
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const middleware = createValidationMiddleware(entity)
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const validData = { name: 'John', email: 'john@example.com' }
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const validResult = await middleware(validData)
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expect(validResult.valid).toBe(true)
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if (validResult.valid) {
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expect(validResult.data).toEqual(validData)
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}
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const invalidData = { name: 'John', email: 'invalid-email' }
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const invalidResult = await middleware(invalidData)
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expect(invalidResult.valid).toBe(false)
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if (!invalidResult.valid) {
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expect(invalidResult.errors.email).toBeDefined()
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}
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})
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})
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describe('commonSchemas', () => {
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it.each([
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{ schema: 'email', value: 'user@example.com', shouldPass: true, description: 'valid email' },
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{ schema: 'email', value: 'invalid', shouldPass: false, description: 'invalid email' },
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{ schema: 'url', value: 'https://example.com', shouldPass: true, description: 'valid URL' },
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{ schema: 'url', value: 'not-a-url', shouldPass: false, description: 'invalid URL' },
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{ schema: 'uuid', value: '123e4567-e89b-12d3-a456-426614174000', shouldPass: true, description: 'valid UUID' },
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{ schema: 'uuid', value: 'not-a-uuid', shouldPass: false, description: 'invalid UUID' },
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{ schema: 'phoneNumber', value: '+1234567890', shouldPass: true, description: 'valid phone' },
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{ schema: 'phoneNumber', value: 'not-a-phone', shouldPass: false, description: 'invalid phone' },
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{ schema: 'password', value: 'password123', shouldPass: true, description: 'valid password' },
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{ schema: 'password', value: 'short', shouldPass: false, description: 'short password' },
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{ schema: 'username', value: 'john_doe', shouldPass: true, description: 'valid username' },
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{ schema: 'username', value: 'a', shouldPass: false, description: 'short username' },
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{ schema: 'username', value: 'invalid username!', shouldPass: false, description: 'invalid username chars' },
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])('should validate $description', ({ schema, value, shouldPass }) => {
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const result = commonSchemas[schema as keyof typeof commonSchemas].safeParse(value)
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expect(result.success).toBe(shouldPass)
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})
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it('should validate positive integers', () => {
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expect(commonSchemas.positiveInt.safeParse(1).success).toBe(true)
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expect(commonSchemas.positiveInt.safeParse(0).success).toBe(false)
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expect(commonSchemas.positiveInt.safeParse(-1).success).toBe(false)
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expect(commonSchemas.positiveInt.safeParse(1.5).success).toBe(false)
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})
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it('should validate non-negative integers', () => {
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expect(commonSchemas.nonNegativeInt.safeParse(0).success).toBe(true)
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expect(commonSchemas.nonNegativeInt.safeParse(1).success).toBe(true)
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expect(commonSchemas.nonNegativeInt.safeParse(-1).success).toBe(false)
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expect(commonSchemas.nonNegativeInt.safeParse(1.5).success).toBe(false)
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})
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})
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})
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@@ -0,0 +1,259 @@
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/**
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* Validation utilities for API requests using Zod
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*
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* Provides utilities to generate Zod schemas from entity definitions
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* and validate request/response data
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*/
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import { z, ZodSchema, ZodType, ZodTypeAny } from 'zod'
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export type FieldType =
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| 'string'
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| 'number'
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| 'boolean'
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| 'date'
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| 'enum'
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| 'array'
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| 'object'
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| 'relation'
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export interface ValidationRule {
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type: 'required' | 'min' | 'max' | 'pattern' | 'email' | 'url' | 'custom'
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value?: unknown
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message?: string
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}
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export interface FieldDefinition {
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name: string
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type: FieldType
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required?: boolean
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default?: unknown
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enum?: string[]
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arrayItemType?: FieldType
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objectFields?: FieldDefinition[]
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validation?: ValidationRule[]
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}
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export interface EntityDefinition {
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name: string
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fields: FieldDefinition[]
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}
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/**
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* Generate Zod schema for a field
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*/
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export function generateFieldSchema(field: FieldDefinition): ZodTypeAny {
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let schema: ZodTypeAny
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// Base type
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switch (field.type) {
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case 'string':
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schema = z.string()
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break
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case 'number':
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schema = z.number()
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break
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case 'boolean':
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schema = z.boolean()
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break
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case 'date':
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schema = z.coerce.date()
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break
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case 'enum':
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if (field.enum && field.enum.length > 0) {
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schema = z.enum(field.enum as [string, ...string[]])
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} else {
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schema = z.string()
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}
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break
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case 'array':
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if (field.arrayItemType) {
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const itemSchema = generateFieldSchema({
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name: 'item',
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type: field.arrayItemType
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})
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schema = z.array(itemSchema)
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} else {
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schema = z.array(z.unknown())
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}
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break
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case 'object':
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if (field.objectFields) {
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const objectShape: Record<string, ZodTypeAny> = {}
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for (const objField of field.objectFields) {
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objectShape[objField.name] = generateFieldSchema(objField)
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}
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schema = z.object(objectShape)
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} else {
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schema = z.record(z.unknown())
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}
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||||
break
|
||||
case 'relation':
|
||||
// For relations, just accept a string ID or object
|
||||
schema = z.union([z.string(), z.object({ id: z.string() })])
|
||||
break
|
||||
default:
|
||||
schema = z.unknown()
|
||||
}
|
||||
|
||||
// Apply validation rules
|
||||
if (field.validation) {
|
||||
for (const rule of field.validation) {
|
||||
schema = applyValidationRule(schema, rule, field.type)
|
||||
}
|
||||
}
|
||||
|
||||
// Handle required/optional
|
||||
if (!field.required) {
|
||||
schema = schema.optional()
|
||||
if (field.default !== undefined) {
|
||||
schema = schema.default(field.default)
|
||||
}
|
||||
}
|
||||
|
||||
return schema
|
||||
}
|
||||
|
||||
/**
|
||||
* Apply validation rule to schema
|
||||
*/
|
||||
function applyValidationRule(
|
||||
schema: ZodTypeAny,
|
||||
rule: ValidationRule,
|
||||
fieldType: FieldType
|
||||
): ZodTypeAny {
|
||||
switch (rule.type) {
|
||||
case 'required':
|
||||
// Already handled at field level
|
||||
return schema
|
||||
|
||||
case 'min':
|
||||
if (fieldType === 'string' && typeof rule.value === 'number') {
|
||||
return (schema as z.ZodString).min(rule.value, rule.message)
|
||||
}
|
||||
if (fieldType === 'number' && typeof rule.value === 'number') {
|
||||
return (schema as z.ZodNumber).min(rule.value, rule.message)
|
||||
}
|
||||
if (fieldType === 'array' && typeof rule.value === 'number') {
|
||||
return (schema as z.ZodArray<any>).min(rule.value, rule.message)
|
||||
}
|
||||
return schema
|
||||
|
||||
case 'max':
|
||||
if (fieldType === 'string' && typeof rule.value === 'number') {
|
||||
return (schema as z.ZodString).max(rule.value, rule.message)
|
||||
}
|
||||
if (fieldType === 'number' && typeof rule.value === 'number') {
|
||||
return (schema as z.ZodNumber).max(rule.value, rule.message)
|
||||
}
|
||||
if (fieldType === 'array' && typeof rule.value === 'number') {
|
||||
return (schema as z.ZodArray<any>).max(rule.value, rule.message)
|
||||
}
|
||||
return schema
|
||||
|
||||
case 'pattern':
|
||||
if (fieldType === 'string' && typeof rule.value === 'string') {
|
||||
const regex = new RegExp(rule.value)
|
||||
return (schema as z.ZodString).regex(regex, rule.message)
|
||||
}
|
||||
return schema
|
||||
|
||||
case 'email':
|
||||
if (fieldType === 'string') {
|
||||
return (schema as z.ZodString).email(rule.message)
|
||||
}
|
||||
return schema
|
||||
|
||||
case 'url':
|
||||
if (fieldType === 'string') {
|
||||
return (schema as z.ZodString).url(rule.message)
|
||||
}
|
||||
return schema
|
||||
|
||||
case 'custom':
|
||||
// Custom validation would need to be implemented per-use-case
|
||||
return schema
|
||||
|
||||
default:
|
||||
return schema
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Generate Zod schema for an entity
|
||||
*/
|
||||
export function generateEntitySchema(entity: EntityDefinition): z.ZodObject<any> {
|
||||
const shape: Record<string, ZodTypeAny> = {}
|
||||
|
||||
for (const field of entity.fields) {
|
||||
shape[field.name] = generateFieldSchema(field)
|
||||
}
|
||||
|
||||
return z.object(shape)
|
||||
}
|
||||
|
||||
/**
|
||||
* Validate data against an entity schema
|
||||
*/
|
||||
export function validateEntity<T = unknown>(
|
||||
data: unknown,
|
||||
entity: EntityDefinition
|
||||
): { success: true; data: T } | { success: false; errors: z.ZodError } {
|
||||
const schema = generateEntitySchema(entity)
|
||||
const result = schema.safeParse(data)
|
||||
|
||||
if (result.success) {
|
||||
return { success: true, data: result.data as T }
|
||||
} else {
|
||||
return { success: false, errors: result.error }
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Format Zod errors into user-friendly messages
|
||||
*/
|
||||
export function formatValidationErrors(error: z.ZodError): Record<string, string[]> {
|
||||
const formatted: Record<string, string[]> = {}
|
||||
|
||||
for (const issue of error.issues) {
|
||||
const path = issue.path.join('.')
|
||||
if (!formatted[path]) {
|
||||
formatted[path] = []
|
||||
}
|
||||
formatted[path].push(issue.message)
|
||||
}
|
||||
|
||||
return formatted
|
||||
}
|
||||
|
||||
/**
|
||||
* Create validation middleware for API routes
|
||||
*/
|
||||
export function createValidationMiddleware(entity: EntityDefinition) {
|
||||
const schema = generateEntitySchema(entity)
|
||||
|
||||
return async (data: unknown): Promise<{ valid: true; data: any } | { valid: false; errors: Record<string, string[]> }> => {
|
||||
const result = schema.safeParse(data)
|
||||
|
||||
if (result.success) {
|
||||
return { valid: true, data: result.data }
|
||||
} else {
|
||||
return { valid: false, errors: formatValidationErrors(result.error) }
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Common field validation schemas
|
||||
*/
|
||||
export const commonSchemas = {
|
||||
email: z.string().email(),
|
||||
url: z.string().url(),
|
||||
uuid: z.string().uuid(),
|
||||
phoneNumber: z.string().regex(/^\+?[1-9]\d{1,14}$/),
|
||||
date: z.coerce.date(),
|
||||
positiveInt: z.number().int().positive(),
|
||||
nonNegativeInt: z.number().int().min(0),
|
||||
password: z.string().min(8).max(100),
|
||||
username: z.string().min(3).max(30).regex(/^[a-zA-Z0-9_-]+$/),
|
||||
}
|
||||
Reference in New Issue
Block a user