avoid empty checks

pushkine · pushkine · commit 7541167a056a · 2020-04-13T20:10:07.000+02:00
diff --git a/src/compiler/compile/render_dom/wrappers/IfBlock.ts b/src/compiler/compile/render_dom/wrappers/IfBlock.ts
@@ -528,8 +528,11 @@ export default class IfBlockWrapper extends Wrapper {
 						${name}.m(${update_mount_node}, ${anchor});
 					} else {
 						${dynamic && b`${name}.p(#ctx, #dirty);`}
-						if (${block.renderer.dirty(branch.dependencies)}) {
-							${has_transitions && b`@transition_in(${name}, 1);`}
+						${
+							has_transitions &&
+							b`if (${block.renderer.dirty(branch.dependencies)}) {
+							@transition_in(${name}, 1);
+						}`
 						}
 					}
 				`;

Original file line number	Diff line number	Diff line change
`@@ -528,8 +528,11 @@ export default class IfBlockWrapper extends Wrapper {`
`528`	`528`	`${name}.m(${update_mount_node}, ${anchor});`
`529`	`529`	`} else {`
`530`	`530`	${dynamic && b`${name}.p(#ctx, #dirty);`}
`531`		`- if (${block.renderer.dirty(branch.dependencies)}) {`
`532`		- ${has_transitions && b`@transition_in(${name}, 1);`}
	`531`	`+ ${`
	`532`	`+ has_transitions &&`
	`533`	+ b`if (${block.renderer.dirty(branch.dependencies)}) {
	`534`	`+ @transition_in(${name}, 1);`
	`535`	+ }`
`533`	`536`	`}`
`534`	`537`	`}`
`535`	`538`	`;