# Editing

## DikeErrorMessage

```typescript
abstract class DikeErrorMessage {
  constructor();
  
  get messages(): string[];
  
  assign(messages: DikeErrorMessage): this;
  addMessage(errorKey: string, errorMessage: string): this;
  removeMessage(errorKey: string): string | undefined;
  getMessage(errorKey: string): string | undefined;
}
```

## DikeStandardErrorMessage

```typescript
class DikeStandardErrorMessage extends DikeErrorMessage {
  constructor() {
    super();

    this.addMessage(ErrorType.MIN, 'The minimum number is incorrect');
    this.addMessage(ErrorType.MAX, 'The maximum number is incorrect');
    this.addMessage(ErrorType.REQUIRED, 'Required field');
    this.addMessage(ErrorType.EMAIL, 'The email pattern is incorrect');
    this.addMessage(ErrorType.MIN_LENGTH, 'The minimum length is incorrect');
    this.addMessage(ErrorType.MAX_LENGTH, 'The maximum length is incorrect');
    this.addMessage(ErrorType.PATTERN, 'Wrong pattern');
  }
}
```

## CustomErrorMessage

```typescript
class CustomErrorMessage extends DikeErrorMessage {
  constructor();
}
```


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