chore: refactor rendering and transitions

packages/svelte/src/internal/client/constants.js

@@ -1,4 +1,3 @@
-export const SOURCE = 1;
 export const DERIVED = 1 << 1;
 export const EFFECT = 1 << 2;
 export const PRE_EFFECT = 1 << 3;
@@ -10,17 +9,8 @@ export const DIRTY = 1 << 9;
 export const MAYBE_DIRTY = 1 << 10;
 export const INERT = 1 << 11;
 export const DESTROYED = 1 << 12;
-
-export const ROOT_BLOCK = 0;
-export const IF_BLOCK = 1;
-export const EACH_BLOCK = 2;
-export const EACH_ITEM_BLOCK = 3;
-export const AWAIT_BLOCK = 4;
-export const KEY_BLOCK = 5;
-export const HEAD_BLOCK = 6;
-export const DYNAMIC_COMPONENT_BLOCK = 7;
-export const DYNAMIC_ELEMENT_BLOCK = 8;
-export const SNIPPET_BLOCK = 9;
+export const ROOT_EFFECT = 1 << 13;
+export const BRANCH_EFFECT = 1 << 14;
 
 export const UNINITIALIZED = Symbol();
 export const STATE_SYMBOL = Symbol('$state');