# `GSLayer decomposeComponents`

*Instance Method*

Decomposes all components.

## Declaration

```swift
func decomposeComponents()
```

```objc
- (void) decomposeComponents;
```

```python
decomposeComponents()
```

## Discussion

Nested components are decomposed as part of the operation.

## See Also

### Component Decomposition

- [`GSLayer copyDecomposedLayer`](/Core/GlyphsCore/GSLayer/copyDecomposedLayer) — A copy of the layer with components decomposed.
- [`GSLayer decomposeComponent:`](/Core/GlyphsCore/GSLayer/decomposeComponent:) — Decomposes one component.
- [`GSLayer decomposeComponentDontNotify:`](/Core/GlyphsCore/GSLayer/decomposeComponentDontNotify:) — Decomposes one component without triggering layer updates.
- [`GSLayer decomposeComponentDontNotify:callback:`](/Core/GlyphsCore/GSLayer/decomposeComponentDontNotify:callback:) — Decomposes one component without triggering layer updates and invokes a callback for decomposed component layers.
- [`GSLayer decomposeComponentsCallback:`](/Core/GlyphsCore/GSLayer/decomposeComponentsCallback:) — Decomposes all components and invokes a callback for decomposed component layers.
- [`GSLayer decomposeCorners`](/Core/GlyphsCore/GSLayer/decomposeCorners) — Decomposes corner components.
- [`GSLayer decomposeSmartOutlines`](/Core/GlyphsCore/GSLayer/decomposeSmartOutlines) — Decomposes smart outline components.