remove unused code

src/compiler/compile/render-dom/wrappers/IfBlock.ts

@@ -146,14 +146,13 @@ export default class IfBlockWrapper extends Wrapper {
 
 		const has_else = !(this.branches[this.branches.length - 1].condition);
 		const if_name = has_else ? '' : `if (${name}) `;
-		const outroing = block.get_unique_name(`outroing_${this.var}`);
 
 		const dynamic = this.branches[0].block.has_update_method; // can use [0] as proxy for all, since they necessarily have the same value
 		const has_intros = this.branches[0].block.has_intro_method;
 		const has_outros = this.branches[0].block.has_outro_method;
 		const has_transitions = has_intros || has_outros;
 
-		const vars = { name, anchor, if_name, has_else, has_transitions, outroing };
+		const vars = { name, anchor, if_name, has_else, has_transitions };
 
 		const detaching = (parent_node && parent_node !== 'document.head') ? '' : 'detaching';
 
@@ -391,16 +390,11 @@ export default class IfBlockWrapper extends Wrapper {
 		parent_node: string,
 		_parent_nodes: string,
 		dynamic,
-		{ name, outroing, anchor, if_name, has_transitions },
+		{ name, anchor, if_name, has_transitions },
 		detaching
 	) {
 		const branch = this.branches[0];
 
-		if (branch.block.has_outro_method) {
-			// TODO this probably belongs in the main render method?
-			block.add_variable(outroing);
-		}
-
 		block.builders.init.add_block(deindent`
 			var ${name} = (${branch.condition}) && ${branch.block.name}(ctx);
 		`);
@@ -442,10 +436,8 @@ export default class IfBlockWrapper extends Wrapper {
 		if (branch.block.has_outro_method) {
 			block.builders.update.add_block(deindent`
 				if (${branch.condition}) {
-					${outroing} = false;
 					${enter}
-				} else if (${name} && !${outroing}) {
+				} else if (${name}) {
-					${outroing} = true;
 					@group_outros();
 					@transition_out(${name}, 1, 1, () => {
 						${name} = null;

test/js/samples/transition-repeated-outro/expected.js

@@ -53,7 +53,7 @@ function create_if_block(ctx) {
 }
 
 function create_fragment(ctx) {
-	var outroing_if_block, if_block_anchor, current;
+	var if_block_anchor, current;
 
 	var if_block = (ctx.num < 5) && create_if_block(ctx);
 
@@ -71,7 +71,6 @@ function create_fragment(ctx) {
 
 		p(changed, ctx) {
 			if (ctx.num < 5) {
-				outroing_if_block = false;
 				if (!if_block) {
 					if_block = create_if_block(ctx);
 					if_block.c();
@@ -80,8 +79,7 @@ function create_fragment(ctx) {
 				} else {
 									transition_in(if_block, 1);
 				}
-			} else if (if_block && !outroing_if_block) {
+			} else if (if_block) {
-				outroing_if_block = true;
 				group_outros();
 				transition_out(if_block, 1, 1, () => {
 					if_block = null;