Hotfix for collections of models with empty string id

Author: Vlad Balin

dist/index.js

@@ -1,6 +1,6 @@
 {
   "name": "type-r",
-  "version": "2.0.3",
+  "version": "2.0.4",
   "description": "Reactive serializable data layer for modern JS applications",
   "main": "./dist/index.js",
   "jsnext:main": "./lib/index.js",

dist/index.js.map

@@ -124,7 +124,7 @@ export function addIndex( index : IdIndex, model : Record ) : void {
     index[ model.cid ] = model;
     var id             = model.id;
 
-    if( id != null ){
+    if( id || id === 0 ){
         index[ id ] = model;
     }
 }
@@ -133,7 +133,7 @@ export function addIndex( index : IdIndex, model : Record ) : void {
 export function removeIndex( index : IdIndex, model : Record ) : void {
     delete index[ model.cid ];
     var id = model.id;
-    if( id != null ){
+    if( id || id === 0 ){
         delete index[ id ];
     }
 }

lib/collection/commons.js

@@ -2525,14 +2525,14 @@ function sortElements(collection, options) {
 function addIndex(index, model) {
     index[model.cid] = model;
     var id = model.id;
-    if (id != null) {
+    if (id || id === 0) {
         index[id] = model;
     }
 }
 function removeIndex(index, model) {
     delete index[model.cid];
     var id = model.id;
-    if (id != null) {
+    if (id || id === 0) {
         delete index[id];
     }
 }