Skip TSAsExpression when transforming spread in CallExpression (#11404)

* Skip TSAsExpression when transforming spread in CallExpression

* Create @babel/helper-get-call-context package

* Support OptionalCallExpressions

* Use helper in optional chaining plugin, and move tests

* Update package.json files

* Use dot notation to access property

* Remove private method tests until future MR

* Update packages/babel-plugin-transform-spread/package.json

* Rename @babel/helper-get-call-context to @babel/helper-skip-transparent-expr-wrappers

* Handle typed OptionalMemberExpressions

* Make @babel/helper-skip-transparent-expr-wrappers a dependency

* Support TSNonNullExpressions

* Use named import instead of default

* Add test for call context when parenthesized call expression has type

* Improve handling of member expressions inside transparent expression wrappers

* Add comment explaining what a transparent expression wrapper is

* Add newlines to test fixtures

* Pass correct parameter type to skipTransparentExprWrappers

* Rename to babel-helper-skip-transparent-expression-wrappers

* Remove getCallContext helper

* Fixed exports key

* Preserve types in babel-plugin-transform-spread tests

* Use external-helpers to avoid inlining helper functions in tests

Co-authored-by: Nicolò Ribaudo <nicolo.ribaudo@gmail.com>

packages/babel-plugin-proposal-optional-chaining/package.json

@@ -17,7 +17,8 @@
   ],
   "dependencies": {
     "@babel/helper-plugin-utils": "^7.10.4",
-    "@babel/plugin-syntax-optional-chaining": "^7.8.0"
+    "@babel/plugin-syntax-optional-chaining": "^7.8.0",
+    "@babel/helper-skip-transparent-expression-wrappers": "^7.9.6"
   },
   "peerDependencies": {
     "@babel/core": "^7.0.0-0"