Method bind

packages/view/src/DocumentViewImpl.ts:122–171

(def: PropertyDef | null)

	bind(def: PropertyDef): Subject<PropertyDef, any>;
	// biome-ignore lint/suspicious/noExplicitAny: TODO
	bind(def: PropertyDef | null): Subject<PropertyDef, any> | null {
		if (!def) return null;
		if (this._subjects.has(def)) return this._subjects.get(def)!;

		// biome-ignore lint/suspicious/noExplicitAny: TODO
		let subject: Subject<PropertyDef, any>;
		switch (def.propertyType) {
			case PropertyType.ACCESSOR:
				subject = new AccessorSubject(this, def as AccessorDef);
				break;
			case 'InstancedMesh':
				subject = new InstancedMeshSubject(this, def as InstancedMeshDef);
				break;
			case 'Light':
				subject = new LightSubject(this, def as LightDef);
				break;
			case PropertyType.MATERIAL:
				subject = new MaterialSubject(this, def as MaterialDef);
				break;
			case PropertyType.MESH:
				subject = new MeshSubject(this, def as MeshDef);
				break;
			case PropertyType.NODE:
				subject = new NodeSubject(this, def as NodeDef);
				break;
			case PropertyType.PRIMITIVE:
				subject = new PrimitiveSubject(this, def as PrimitiveDef);
				break;
			case PropertyType.SCENE:
				subject = new SceneSubject(this, def as SceneDef);
				break;
			case PropertyType.SKIN:
				subject = new SkinSubject(this, def as SkinDef);
				break;
			case PropertyType.TEXTURE:
				subject = new TextureSubject(this, def as TextureDef);
				break;
			default: {
				if (def instanceof ExtensionPropertyDef) {
					subject = new ExtensionSubject(this, def as ExtensionPropertyDef);
				} else {
					throw new Error(`Unimplemented type: ${def.propertyType}`);
				}
			}
		}

		subject.update();
		this._addSubject(subject);
		return subject;
	}

	recordOutputValue(def: PropertyDef, value: THREEObject) {
		const outputValues = this._outputValues.get(def) || new Set();