check for unknown props even if component doesn't have writable props

fixes #4323
6 years ago · de49a996ca
parent b8bf3643d4
commit de49a996ca
1 changed files with 1 additions and 1 deletions
--- a/src/compiler/compile/render_dom/index.ts
+++ b/src/compiler/compile/render_dom/index.ts
@ -379,7 +379,7 @@ export default function dom(
 		});
 		let unknown_props_check;
-		if (component.compile_options.dev && !component.var_lookup.has('$$props') && writable_props.length) {
+		if (component.compile_options.dev && !component.var_lookup.has('$$props')) {
 			unknown_props_check = b`
 				const writable_props = [${writable_props.map(prop => x`'${prop.export_name}'`)}];
 				@_Object.keys($$props).forEach(key => {