add `emitDecoratorMetadata` (#5777)

* some progess

* needs more tests

* make tests easier to debug

* get metadata for constructor arg decorators

* fix some things

* merge `emitDecoratorMetadata` option

* remove `^`

* bundler tests and get option from tsconfig earlier

* remove spaces

* fix tests

1 files changed, 15 insertions, 7 deletions

diff --git a/src/runtime.js b/src/runtime.js
index 41242637b..fb1d5e70e 100644
--- a/src/runtime.js
+++ b/src/runtime.js
@@ -250,15 +250,23 @@ export var __merge = (props, defaultProps) => {
     : mergeDefaultProps(props, defaultProps);
 };
 
-export var __decorateClass = (decorators, target, key, kind) => {
-  var result = kind > 1 ? void 0 : kind ? __getOwnPropDesc(target, key) : target;
-  for (var i = decorators.length - 1, decorator; i >= 0; i--)
-    if ((decorator = decorators[i])) result = (kind ? decorator(target, key, result) : decorator(result)) || result;
-  if (kind && result) __defProp(target, key, result);
-  return result;
+export var __legacyDecorateClassTS = function (decorators, target, key, desc) {
+  var c = arguments.length,
+    r = c < 3 ? target : desc === null ? (desc = Object.getOwnPropertyDescriptor(target, key)) : desc,
+    d;
+  if (typeof Reflect === "object" && typeof Reflect.decorate === "function")
+    r = Reflect.decorate(decorators, target, key, desc);
+  else
+    for (var i = decorators.length - 1; i >= 0; i--)
+      if ((d = decorators[i])) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
+  return c > 3 && r && Object.defineProperty(target, key, r), r;
 };
 
-export var __decorateParam = (index, decorator) => (target, key) => decorator(target, key, index);
+export var __legacyDecorateParamTS = (index, decorator) => (target, key) => decorator(target, key, index);
+
+export var __legacyMetadataTS = (k, v) => {
+  if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
+};
 
 export var __esm = (fn, res) => () => (fn && (res = fn((fn = 0))), res);