angular-dynamic-forms-ai
Version:
AI-enhanced dynamic form generator for Angular using Template-Driven Forms
94 lines • 12.7 kB
JavaScript
import { Injectable } from '@angular/core';
import * as i0 from "@angular/core";
class AiValidationService {
validationRules = new Map([
['email', /^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$/],
['phone', /^\+?[\d\s-]{10,}$/],
['url', /^(https?:\/\/)?([\da-z.-]+)\.([a-z.]{2,6})([\/\w .-]*)*\/?$/],
['zipcode', /^\d{5}(-\d{4})?$/],
]);
suggestValidations(field) {
const fieldNameLower = field.name.toLowerCase();
const validations = { ...field.validations } || {};
// Email validation
if (fieldNameLower.includes('email')) {
validations.email = true;
validations.required = true;
field.type = 'email';
}
// Password validation
if (fieldNameLower.includes('password')) {
validations.required = true;
validations.minLength = 6;
field.type = 'password';
validations.pattern = '^(?=.*[A-Za-z])(?=.*\\d)[A-Za-z\\d]{6,}$';
}
// Phone validation
if (fieldNameLower.includes('phone')) {
validations.pattern = this.validationRules.get('phone')?.toString().slice(1, -1);
validations.required = true;
}
// Name validation
if (fieldNameLower.includes('name')) {
validations.required = true;
validations.minLength = 2;
}
// URL validation
if (fieldNameLower.includes('url') || fieldNameLower.includes('website')) {
validations.pattern = this.validationRules.get('url')?.toString().slice(1, -1);
}
// Zip code validation
if (fieldNameLower.includes('zip')) {
validations.pattern = this.validationRules.get('zipcode')?.toString().slice(1, -1);
}
field.validations = validations;
field.errorMessages = this.generateErrorMessages(field);
return field;
}
generateErrorMessages(field) {
const messages = {};
const validations = field.validations || {};
if (validations.required) {
messages.required = `${field.label} is required`;
}
if (validations.minLength) {
messages.minlength = `${field.label} must be at least ${validations.minLength} characters`;
}
if (validations.maxLength) {
messages.maxlength = `${field.label} cannot exceed ${validations.maxLength} characters`;
}
if (validations.email) {
messages.email = `Please enter a valid email address`;
}
if (validations.pattern) {
messages.pattern = this.getPatternErrorMessage(field.name);
}
return messages;
}
getPatternErrorMessage(fieldName) {
const fieldNameLower = fieldName.toLowerCase();
if (fieldNameLower.includes('password')) {
return 'Password must contain at least one letter and one number';
}
if (fieldNameLower.includes('phone')) {
return 'Please enter a valid phone number';
}
if (fieldNameLower.includes('url') || fieldNameLower.includes('website')) {
return 'Please enter a valid URL';
}
if (fieldNameLower.includes('zip')) {
return 'Please enter a valid ZIP code';
}
return 'Please enter a valid value';
}
static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.0.6", ngImport: i0, type: AiValidationService, deps: [], target: i0.ɵɵFactoryTarget.Injectable });
static ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "16.0.6", ngImport: i0, type: AiValidationService, providedIn: 'root' });
}
export { AiValidationService };
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.0.6", ngImport: i0, type: AiValidationService, decorators: [{
type: Injectable,
args: [{
providedIn: 'root'
}]
}] });
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{ Injectable } from '@angular/core';\nimport { FormFieldConfig } from '../interfaces/form-field.interface';\n\n@Injectable({\n  providedIn: 'root'\n})\nexport class AiValidationService {\n  private validationRules = new Map<string, RegExp>([\n    ['email', /^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\\.[a-zA-Z]{2,}$/],\n    ['phone', /^\\+?[\\d\\s-]{10,}$/],\n    ['url', /^(https?:\\/\\/)?([\\da-z.-]+)\\.([a-z.]{2,6})([\\/\\w .-]*)*\\/?$/],\n    ['zipcode', /^\\d{5}(-\\d{4})?$/],\n  ]);\n\n  suggestValidations(field: FormFieldConfig): FormFieldConfig {\n    const fieldNameLower = field.name.toLowerCase();\n    const validations = { ...field.validations } || {};\n\n    // Email validation\n    if (fieldNameLower.includes('email')) {\n      validations.email = true;\n      validations.required = true;\n      field.type = 'email';\n    }\n\n    // Password validation\n    if (fieldNameLower.includes('password')) {\n      validations.required = true;\n      validations.minLength = 6;\n      field.type = 'password';\n      validations.pattern = '^(?=.*[A-Za-z])(?=.*\\\\d)[A-Za-z\\\\d]{6,}$';\n    }\n\n    // Phone validation\n    if (fieldNameLower.includes('phone')) {\n      validations.pattern = this.validationRules.get('phone')?.toString().slice(1, -1);\n      validations.required = true;\n    }\n\n    // Name validation\n    if (fieldNameLower.includes('name')) {\n      validations.required = true;\n      validations.minLength = 2;\n    }\n\n    // URL validation\n    if (fieldNameLower.includes('url') || fieldNameLower.includes('website')) {\n      validations.pattern = this.validationRules.get('url')?.toString().slice(1, -1);\n    }\n\n    // Zip code validation\n    if (fieldNameLower.includes('zip')) {\n      validations.pattern = this.validationRules.get('zipcode')?.toString().slice(1, -1);\n    }\n\n    field.validations = validations;\n    field.errorMessages = this.generateErrorMessages(field);\n\n    return field;\n  }\n\n  private generateErrorMessages(field: FormFieldConfig): { [key: string]: string } {\n    const messages: { [key: string]: string } = {};\n    const validations = field.validations || {};\n\n    if (validations.required) {\n      messages.required = `${field.label} is required`;\n    }\n\n    if (validations.minLength) {\n      messages.minlength = `${field.label} must be at least ${validations.minLength} characters`;\n    }\n\n    if (validations.maxLength) {\n      messages.maxlength = `${field.label} cannot exceed ${validations.maxLength} characters`;\n    }\n\n    if (validations.email) {\n      messages.email = `Please enter a valid email address`;\n    }\n\n    if (validations.pattern) {\n      messages.pattern = this.getPatternErrorMessage(field.name);\n    }\n\n    return messages;\n  }\n\n  private getPatternErrorMessage(fieldName: string): string {\n    const fieldNameLower = fieldName.toLowerCase();\n    \n    if (fieldNameLower.includes('password')) {\n      return 'Password must contain at least one letter and one number';\n    }\n    if (fieldNameLower.includes('phone')) {\n      return 'Please enter a valid phone number';\n    }\n    if (fieldNameLower.includes('url') || fieldNameLower.includes('website')) {\n      return 'Please enter a valid URL';\n    }\n    if (fieldNameLower.includes('zip')) {\n      return 'Please enter a valid ZIP code';\n    }\n\n    return 'Please enter a valid value';\n  }\n}\n"]}