WIP

src/patch_promise.js

@@ -0,0 +1,40 @@
+export const patch_promise = window => {
+
+  // TODO check that it is not already patched
+  if(window.Promise.Original != null) {
+    throw new Error('already patched')
+  }
+
+  class PromiseWithStatus extends Promise {
+    constructor(fn) {
+      let status 
+      let is_constructor_finished = false
+      super(
+        (resolve, reject) => {
+          fn(
+            (value) => {
+              status = {ok: true, value}
+              if(is_constructor_finished) {
+                this.status = status
+              }
+              resolve(value)
+            },
+            (error) => {
+              status = {ok: false, error}
+              if(is_constructor_finished) {
+                this.status = status
+              }
+              reject(error)
+            },
+          )
+        }
+      )
+      is_constructor_finished = true
+      this.status = status
+    }
+  }
+
+  PromiseWithStatus.Original = Promise
+
+  window.Promise = PromiseWithStatus
+}