fix transitions on each else block

src/compiler/compile/render_dom/wrappers/EachBlock.ts

@@ -298,6 +298,22 @@ export default class EachBlockWrapper extends Wrapper {
 				}
 			`);
 
+      const has_transitions = !!(this.else.block.has_intro_method || this.else.block.has_outro_method);
+
+      const destroy_block_else = this.else.block.has_outro_method
+        ?
+        b`
+      @group_outros();
+      @transition_out(${each_block_else}, 1, 1, () => {
+        ${each_block_else} = null;
+      });
+      @check_outros();
+    `
+        : b`
+      ${each_block_else}.d(1);
+      ${each_block_else} = null;
+    `;
+
       if (this.else.block.has_update_method) {
         this.updates.push(b`
 					if (!${this.vars.data_length} && ${each_block_else}) {
@@ -305,22 +321,23 @@ export default class EachBlockWrapper extends Wrapper {
 					} else if (!${this.vars.data_length}) {
 						${each_block_else} = ${this.else.block.name}(#ctx);
             ${each_block_else}.c();
+						${has_transitions && b`@transition_in(${each_block_else}, 1);`}
 						${each_block_else}.m(${update_mount_node}, ${update_anchor_node});
 					} else if (${each_block_else}) {
-						${each_block_else}.d(1);
+						${destroy_block_else};
-						${each_block_else} = null;
 					}
 				`);
       } else {
+
         this.updates.push(b`
 					if (${this.vars.data_length}) {
 						if (${each_block_else}) {
-							${each_block_else}.d(1);
+							${destroy_block_else};
-							${each_block_else} = null;
 						}
 					} else if (!${each_block_else}) {
 						${each_block_else} = ${this.else.block.name}(#ctx);
             ${each_block_else}.c();
+					  ${has_transitions && b`@transition_in(${each_block_else}, 1);`}
 						${each_block_else}.m(${update_mount_node}, ${update_anchor_node});
 					}
 				`);