fix(typescript): no invalid parens for destructuring with default value (#5096)

src/language-js/needs-parens.js

@@ -487,6 +487,8 @@ function needsParens(path, options) {
         (grandParent.init === parent || grandParent.update === parent)
       ) {
         return false;
+      } else if (parent.type === "Property" && parent.value === node) {
+        return false;
       }
       return true;
     }

tests/assignment/__snapshots__/jsfmt.spec.js.snap

@@ -31,6 +31,8 @@ let {
 
 const { accessibilityModule: FooAccessibilityModule, accessibilityModule: FooAccessibilityModule, accessibilityModule: FooAccessibilityModule, accessibilityModule: FooAccessibilityModule,
       } = foo || {};
+
+({ prop: toAssign = "default" } = { prop: "propval" });
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 let {
   bottom: offsetBottom,
@@ -46,6 +48,8 @@ const {
   accessibilityModule: FooAccessibilityModule
 } = foo || {};
 
+({ prop: toAssign = "default" } = { prop: "propval" });
+
 `;
 
 exports[`sequence.js - flow-verify 1`] = `

tests/assignment/destructuring.js

@@ -7,3 +7,5 @@ let {
 
 const { accessibilityModule: FooAccessibilityModule, accessibilityModule: FooAccessibilityModule, accessibilityModule: FooAccessibilityModule, accessibilityModule: FooAccessibilityModule,
       } = foo || {};
+
+({ prop: toAssign = "default" } = { prop: "propval" });