6.1.10

dist/extras/amd.js

@@ -10,7 +10,7 @@
     throw Error('AMD require not supported.');
   }
 
-  let tmpRegister;
+  let tmpRegister, firstNamedDefine;
 
   function emptyFn () {}
 
@@ -88,6 +88,10 @@
     if (register && register[1] === lastRegisterDeclare)
       return register;
 
+    // If the script registered a named module, return that module instead of re-instantiating it.
+    if (firstNamedDefine)
+      return firstNamedDefine;
+
     // otherwise AMD takes priority
     // no registration -> attempt AMD detection
     if (!amdDefineDeps)
@@ -135,6 +139,13 @@
   global.define.amd = {};
 
   function addToRegisterRegistry(name, define) {
+    if (!firstNamedDefine) {
+      firstNamedDefine = define;
+      setTimeout(function () {
+        firstNamedDefine = null;
+      });
+    }
+
     // We must call System.getRegister() here to give other extras, such as the named-exports extra,
     // a chance to modify the define before it's put into the registerRegistry.
     // See https://github.com/systemjs/systemjs/issues/2073

dist/extras/named-register.js

@@ -35,18 +35,21 @@
     this.registerRegistry[name] = define;
     if (!firstNamedDefine) {
       firstNamedDefine = define;
-      setTimeout(clearFirstNamedDefine, 0);
+      setTimeout(clearFirstNamedDefine);
     }
     return register.apply(this, arguments);
   };
 
   const resolve = systemJSPrototype.resolve;
   systemJSPrototype.resolve = function (id, parentURL) {
-    if (id[0] === '/' || id[0] === '.' && (id[1] === '/' || id[1] === '.' && id[2] === '/'))
+    try {
+      // Prefer import map (or other existing) resolution over the registerRegistry
       return resolve.call(this, id, parentURL);
-    if (id in this.registerRegistry)
-      return id;
-    return resolve.call(this, id, parentURL);
+    } catch (err) {
+      if (id in this.registerRegistry)
+        return id;
+      throw err;
+    }
   };
 
   const instantiate = systemJSPrototype.instantiate;

dist/s.js

@@ -1,5 +1,5 @@
 /*
-* SJS 6.1.9
+* SJS 6.1.10
 * Minimal SystemJS Build
 */
 (function () {

dist/system.js

@@ -1,5 +1,5 @@
 /*
-* SystemJS 6.1.9
+* SystemJS 6.1.10
 */
 (function () {
   const hasSelf = typeof self !== 'undefined';