In JS/TS, correctly highlight a variable with a default value…

…when destructuring an array.

packages/language-javascript/grammars/ts/highlights.scm

@@ -145,6 +145,13 @@
   (array_pattern
     (identifier) @variable.other.assignment.destructuring.js))
 
+; A variable array destructuring with a default:
+; The "baz" in `let [foo, bar, baz = false] = something`
+(variable_declarator
+  (array_pattern
+    (assignment_pattern
+      (identifier) @variable.other.assignment.destructuring.js)))
+
 ; A variable declaration in a for…(in|of) loop:
 ; The "foo" in `for (let foo of bar) {`
 (for_in_statement

packages/language-typescript/grammars/common/highlights.scm

@@ -136,6 +136,13 @@
   (array_pattern
     (identifier) @variable.other.assignment.destructuring._LANG_))
 
+; A variable array destructuring with a default:
+; The "baz" in `let [foo, bar, baz = false] = something`
+(variable_declarator
+  (array_pattern
+    (assignment_pattern
+      (identifier) @variable.other.assignment.destructuring.js)))
+
 ; A variable declaration in a for…(in|of) loop:
 ; The "foo" in `for (let foo of bar) {`
 (for_in_statement