fix awaited expressions that need parentheses (#4283)

Author: Conduitry

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 * Disallow two-way binding to a variable declared by an `{#await}` block ([#4012](https://github.com/sveltejs/svelte/issues/4012))
 * Allow access to `let:` variables in sibling attributes on slot root ([#4173](https://github.com/sveltejs/svelte/issues/4173))
+* Fix code generation for `await`ed expressions that need parentheses ([#4267](https://github.com/sveltejs/svelte/issues/4267))
 * Add some more known globals ([#4276](https://github.com/sveltejs/svelte/pull/4276))
 * Correctly apply event modifiers to `<svelte:body>` events ([#4278](https://github.com/sveltejs/svelte/issues/4278))
 

package-lock.json

@@ -70,7 +70,7 @@
     "acorn": "^7.1.0",
     "agadoo": "^1.1.0",
     "c8": "^5.0.1",
-    "code-red": "0.0.28",
+    "code-red": "0.0.30",
     "codecov": "^3.5.0",
     "css-tree": "1.0.0-alpha22",
     "eslint": "^6.3.0",

package.json

@@ -103,7 +103,7 @@ class Component extends SvelteComponentDev {
 		});
 
 		const { ctx } = this.$$;
-		const props = options.props || ({});
+		const props = options.props || {};
 
 		if (/*name*/ ctx[0] === undefined && !("name" in props)) {
 			console.warn("<Component> was created without expected prop 'name'");

test/js/samples/debug-empty/expected.js

@@ -210,7 +210,7 @@ class Component extends SvelteComponentDev {
 		});
 
 		const { ctx } = this.$$;
-		const props = options.props || ({});
+		const props = options.props || {};
 
 		if (/*things*/ ctx[0] === undefined && !("things" in props)) {
 			console.warn("<Component> was created without expected prop 'things'");

test/js/samples/debug-foo-bar-baz-things/expected.js

@@ -198,7 +198,7 @@ class Component extends SvelteComponentDev {
 		});
 
 		const { ctx } = this.$$;
-		const props = options.props || ({});
+		const props = options.props || {};
 
 		if (/*things*/ ctx[0] === undefined && !("things" in props)) {
 			console.warn("<Component> was created without expected prop 'things'");

test/js/samples/debug-foo/expected.js

@@ -107,7 +107,7 @@ class Component extends SvelteComponentDev {
 		});
 
 		const { ctx } = this.$$;
-		const props = options.props || ({});
+		const props = options.props || {};
 
 		if (/*foo*/ ctx[0] === undefined && !("foo" in props)) {
 			console.warn("<Component> was created without expected prop 'foo'");