reduce indentation

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

@@ -358,43 +358,44 @@ function reconcile_tracked_array(array, each_block, dom, is_controlled, render_f
 	var a = a_blocks.length;
 	var b = array.length;
 
-	/** @type {Array<import('#client').EachItemBlock>} */
-	var b_blocks;
-
-	var block;
-
+	// fast path – array is empty
 	if (b === 0) {
 		// Remove old blocks
 		if (is_controlled && a !== 0) {
 			clear_text_content(dom);
 		}
+
 		while (a > 0) {
-			block = a_blocks[--a];
-			destroy_each_item_block(block, is_controlled);
+			destroy_each_item_block(a_blocks[--a], is_controlled);
 		}
 
-		b_blocks = [];
-	} else {
-		var a_end = a - 1;
-		var b_end = b - 1;
-		var key;
-		var item;
-		var i;
+		each_block.v = [];
+		return;
+	}
 
-		b_blocks = Array(b);
+	/** @type {Array<import('#client').EachItemBlock>} */
+	var b_blocks = Array(b);
 
+	// fast path — array WAS empty
 	if (a === 0) {
 		// Create new blocks
-			while (b > 0) {
-				i = b_end - --b;
-				block = each_item_block(array[i], keys[i], i, render_fn, flags);
+		for (var i = 0; i < b; i += 1) {
+			var block = each_item_block(array[i], keys[i], i, render_fn, flags);
 			b_blocks[i] = block;
 			insert_each_item_block(block, dom, is_controlled, null);
 		}
-		} else {
+
+		each_block.v = b_blocks;
+		return;
+	}
+
+	var a_end = a - 1;
+	var b_end = b - 1;
+	var key;
+	var item;
 	var is_animated = (flags & EACH_IS_ANIMATED) !== 0;
 	var should_update_block =
-				(flags & (EACH_ITEM_REACTIVE | EACH_INDEX_REACTIVE)) !== 0 || is_animated;
+		is_animated || (flags & (EACH_ITEM_REACTIVE | EACH_INDEX_REACTIVE)) !== 0;
 	var start = 0;
 
 	/** @type {null | Text | Element | Comment} */
@@ -526,8 +527,6 @@ function reconcile_tracked_array(array, each_block, dom, is_controlled, render_f
 			last_block = block;
 		}
 	}
-		}
-	}
 
 	each_block.v = b_blocks;
 }