This Article describe how u can Add Item in your data base from client

React TypeScript Property Form Validation export interface PropertyForm { propertyTitle : string ; description : string ; amenities : string ; monthlyRent : string ; location : string ; unitsAvailable : string ; applicationDeadline : string ; } export interface PropertyFormErrors { propertyTitle ?: string ; description ?: string ; amenities ?: string ; monthlyRent ?: string ; location ?: string ; unitsAvailable ?: string ; applicationDeadline ?: string ; } export const validatePropertyField = ( name : keyof PropertyForm , value : string ): string => { switch ( name ) { case " propertyTitle " : if ( ! value . trim ()) { return " Property title is required " ; } if ( value . trim (). length < 3 ) { return " Property title must be at least 3 characters " ; } return "" ; case " description " : if ( ! value . trim ()) { return " Description is required " ; } if ( value . trim (). length > 2000 ) { return " Description cannot exceed 2000 characters " ; } return "" ; case " amenities " : if ( ! value . trim ()) { return " Amenities are required " ; } return "" ; case " monthlyRent " : if ( ! value . trim ()) { return " Monthly rent is required " ; } if ( Number ( value ) <= 0 ) { return " Monthly rent must be greater than 0 " ; } return "" ; case " location " : if ( ! value . trim ()) { return " Location is required " ; } return "" ; case " unitsAvailable " : if ( ! value . trim ()) { return " Units available is required " ; } if ( ! Number . isInteger ( Number ( value ))) { return " Units available must be a whole number " ; } if ( Number ( value ) < 1 ) { return " At least 1 unit must be available " ; } return "" ; case " applicationDeadline " : if ( ! value ) { return " Application deadline is required " ; } return "" ; default : return "" ; } }; export const validatePropertyForm = ( formData : PropertyForm ): PropertyFormErrors => { const errors : PropertyFormErrors = {}; Object . entries ( formData ). forEach (([ name , value ]) => { const error = validatePropertyFiel