Created
November 22, 2017 13:26
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| let _id = 0 | |
| const id = () => { | |
| _id++ | |
| return _id | |
| } | |
| type Entity<Components = {}, Methods = {}> = { | |
| id: number | |
| } & Components & | |
| Methods | |
| interface NameComponent { | |
| name: string | |
| } | |
| interface WithName { | |
| components: { name: NameComponent } | |
| } | |
| const nameComponent = (name: string): NameComponent => { | |
| return { name } | |
| } | |
| interface JumpComponent { | |
| power: number | |
| } | |
| interface WithJump { | |
| components: { jump: JumpComponent } | |
| } | |
| const jumpProto = { _name: 'jump' } | |
| const jumpComponent = (power: number = 3): JumpComponent => { | |
| return { | |
| power | |
| } | |
| } | |
| interface CanJump { | |
| jump: typeof jump | |
| } | |
| function jump(this: Entity<WithName & WithJump>) { | |
| console.log( | |
| this.components.name + ' jumped! This high: ' + this.components.jump.power | |
| ) | |
| } | |
| type Rabbit = Entity<WithName & WithJump, CanJump> | |
| const rabbit = (name: string): Rabbit => { | |
| return { | |
| id: id(), | |
| components: { | |
| name: nameComponent(name), | |
| jump: jumpComponent() | |
| }, | |
| jump | |
| } | |
| } | |
| const john = rabbit('john') | |
| john.jump() |
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