refactor(editor): rename block-std to std (#11250)

Closes: BS-2946

blocksuite/docs/api/@blocksuite/std/gfx/functions/watch.md

@@ -0,0 +1,46 @@
+[**BlockSuite API Documentation**](../../../../README.md)
+
+***
+
+[BlockSuite API Documentation](../../../../README.md) / [@blocksuite/std](../../README.md) / [gfx](../README.md) / watch
+
+# Function: watch()
+
+> **watch**\<`V`, `T`\>(`fn`): (`_`, `context`) => `ClassAccessorDecoratorResult`\<`GfxPrimitiveElementModel`\<`BaseElementProps`\>, `V`\>
+
+The watch decorator is used to watch the property change of the element.
+You can thinks of it as a decorator version of `elementUpdated` slot of the surface model.
+
+## Type Parameters
+
+### V
+
+`V`
+
+### T
+
+`T` *extends* `GfxPrimitiveElementModel`\<`BaseElementProps`\>
+
+## Parameters
+
+### fn
+
+`WatchFn`\<`T`\>
+
+## Returns
+
+`Function`
+
+### Parameters
+
+#### \_
+
+`unknown`
+
+#### context
+
+`ClassAccessorDecoratorContext`
+
+### Returns
+
+`ClassAccessorDecoratorResult`\<`GfxPrimitiveElementModel`\<`BaseElementProps`\>, `V`\>