deepsource-mcp-server
Version:
Model Context Protocol server for DeepSource
68 lines • 1.73 kB
JavaScript
/**
* @fileoverview Base entity class for domain-driven design
*
* This module provides the base class for all entities in the domain layer.
* Entities are domain objects that have a unique identity that persists
* throughout their lifecycle, even as their attributes change.
*/
/**
* Base class for all entities in the domain
*
* Entities are distinguished by their identity rather than their attributes.
* Two entities with the same attributes but different identities are considered different.
*
* @example
* ```typescript
* class User extends Entity<string> {
* constructor(
* id: string,
* private _name: string,
* private _email: string
* ) {
* super(id);
* }
*
* get name(): string {
* return this._name;
* }
*
* changeName(name: string): void {
* if (!name || name.length === 0) {
* throw new Error('Name cannot be empty');
* }
* this._name = name;
* }
* }
* ```
*/
export class Entity {
_id;
constructor(id) {
this._id = id;
}
/**
* Gets the unique identifier of the entity
*/
get id() {
return this._id;
}
/**
* Checks equality between two entities
*
* Two entities are equal if they have the same identity,
* regardless of their other attributes.
*
* @param other - The entity to compare with
* @returns True if the entities have the same identity, false otherwise
*/
equals(other) {
if (other === null || other === undefined) {
return false;
}
if (!(other instanceof Entity)) {
return false;
}
return this._id === other._id;
}
}
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