🐛 Fix usability issue on team invitation dialog.

Happens when user select (autocompletion), writes or
pastes an email that starts and/or ends with a trailing
spaces. The new spec allows tailing spaces but conforms
to a valid email address without trailing spaces.

common/app/common/spec.cljc

@@ -25,9 +25,6 @@
 
 ;; --- Constants
 
-(def email-rx
-  #"^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$")
-
 (def uuid-rx
   #"^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$")
 
@@ -86,12 +83,6 @@
     v
     ::s/invalid))
 
-(defn- email-conformer
-  [v]
-  (if (and (string? v) (re-matches email-rx v))
-    v
-    ::s/invalid))
-
 (defn keyword-conformer
   [v]
   (cond
@@ -109,7 +100,6 @@
 (s/def ::keyword (s/conformer keyword-conformer name))
 (s/def ::inst inst?)
 (s/def ::string string?)
-(s/def ::email (s/conformer email-conformer str))
 (s/def ::color (s/conformer color-conformer str))
 (s/def ::uuid (s/conformer uuid-conformer str))
 (s/def ::boolean (s/conformer boolean-conformer boolean-unformer))
@@ -134,6 +124,18 @@
     (>= % min-safe-int)
     (<= % max-safe-int)))
 
+
+;; --- SPEC: email
+
+(let [re  #"[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+"
+      cfn (fn [v]
+            (if (string? v)
+              (if-let [matches (re-seq re v)]
+                (first matches)
+                (do ::s/invalid))
+              ::s/invalid))]
+  (s/def ::email (s/conformer cfn str)))
+
 ;; --- Macros
 
 (defn spec-assert*