Fix conflicts between cards when not used as a module (#64)

* Add spread babel plugins (#64)

* Adjust babel process (#64)

.babelrc

@@ -1,26 +1,22 @@
 {
   "presets": [
-    [
-      "@babel/preset-env",
-      {
-        "modules": false,
-        "targets": {
-          "esmodules": true
-        }
-      }
-    ],
-    "minify"
+    ["@babel/preset-env", {
+      "modules": "commonjs",
+      "targets": "> 2.5%, not dead",
+    }],
+    ["minify"],
   ],
   "comments": false,
   "plugins": [
-    [
-      "@babel/plugin-proposal-decorators",
-      { "legacy": true }
-    ],
-    [
-      "@babel/plugin-proposal-class-properties",
-      { "loose": true }
-    ],
-    ["@babel/plugin-transform-template-literals"]
-  ]
+    ["@babel/plugin-transform-template-literals"],
+    ["@babel/plugin-proposal-decorators", {
+      "legacy": true
+    }],
+    ["@babel/plugin-proposal-class-properties", {
+      "loose": true
+    }],
+    ["@babel/plugin-proposal-object-rest-spread"],
+    ["@babel/plugin-transform-spread"],
+    ["iife-wrap"],
+  ],
 }

package.json

@@ -26,8 +26,11 @@
     "@babel/core": "^7.3.3",
     "@babel/plugin-proposal-class-properties": "^7.3.3",
     "@babel/plugin-proposal-decorators": "^7.3.0",
+    "@babel/plugin-proposal-object-rest-spread": "^7.3.4",
+    "@babel/plugin-transform-spread": "^7.2.2",
     "@babel/plugin-transform-template-literals": "^7.2.0",
     "@babel/preset-env": "^7.3.1",
+    "babel-plugin-iife-wrap": "^1.1.0",
     "babel-preset-minify": "^0.5.0",
     "eslint": "^5.14.0",
     "eslint-config-airbnb-base": "^13.1.0",

rollup.config.js

@@ -5,6 +5,7 @@ export default {
   output: {
     file: 'mini-graph-card-bundle.js',
     format: 'umd',
+    name: 'MiniGraphCard',
   },
   plugins: [
     resolve(),