@visactor/vrender-core/es/factory/graphic-factory.js

```typescript import { xxx } from '@visactor/vrender-core'; ```

export class GraphicFactory {
    constructor() {
        this.registry = new Map;
    }
    create(type, attributes) {
        const GraphicCtor = this.registry.get(type);
        if (!GraphicCtor) throw new Error(`GraphicFactory has no creator registered for type "${type}"`);
        return new GraphicCtor(attributes);
    }
    register(type, ctor) {
        if (!type) throw new Error("GraphicFactory requires a non-empty graphic type");
        this.registry.set(type, ctor);
    }
}
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