Reinclude removed comment

Author: Refzlund

packages/svelte/src/compiler/phases/3-transform/client/visitors/EachBlock.js

@@ -80,6 +80,9 @@ export function EachBlock(node, context) {
 		flags |= EACH_ITEM_IMMUTABLE;
 	}
 
+	// Since `animate:` can only appear on elements that are the sole child of a keyed each block,
+	// we can determine at compile time whether the each block is animated or not (in which
+	// case it should measure animated elements before and after reconciliation).
 	if (node.key && node.body.nodes.some(is_animate_directive)) {
 		flags |= EACH_IS_ANIMATED;
 	}

packages/svelte/src/internal/client/dom/blocks/each.js

@@ -283,7 +283,7 @@ function reconcile(array, state, anchor, render_fn, flags, is_inert, get_key, ge
 	var items = state.items;
 	var first = state.first;
 	var current = first;
-	
+
 	/** @type {undefined | Set<EachItem>} */
 	var seen;