jumpstorm/engine/entities/Entity.ts

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import type { Component } from "../components";
export abstract class Entity {
public readonly id: string;
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public readonly components: Map<string, Component>;
constructor(id: string = crypto.randomUUID()) {
this.id = id;
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this.components = new Map();
}
public addComponent(component: Component) {
this.components.set(component.name, component);
}
public getComponent<T extends Component>(name: string): T {
if (!this.hasComponent(name)) {
throw new Error("Entity does not have component " + name);
}
return this.components.get(name) as T;
}
public getComponents(): Component[] {
return Array.from(this.components.values());
}
public hasComponent(name: string): boolean {
return this.components.has(name);
}
}