fix(css): inject

dist/ReactGraph.js

@@ -32997,6 +32997,36 @@
     return _objectSpread2({}, standardTypes, {}, specialTypes);
   }
 
+  function styleInject(css, ref) {
+    if ( ref === void 0 ) ref = {};
+    var insertAt = ref.insertAt;
+
+    if (!css || typeof document === 'undefined') { return; }
+
+    var head = document.head || document.getElementsByTagName('head')[0];
+    var style = document.createElement('style');
+    style.type = 'text/css';
+
+    if (insertAt === 'top') {
+      if (head.firstChild) {
+        head.insertBefore(style, head.firstChild);
+      } else {
+        head.appendChild(style);
+      }
+    } else {
+      head.appendChild(style);
+    }
+
+    if (style.styleSheet) {
+      style.styleSheet.cssText = css;
+    } else {
+      style.appendChild(document.createTextNode(css));
+    }
+  }
+
+  var css = ".react-graph {\n  width: 100%;\n  height: 100%;\n  position: relative;\n  overflow: hidden;\n}\n\n.react-graph__renderer {\n  width: 100%;\n  height: 100%;\n  position: absolute;\n}\n\n.react-graph__zoompane {\n  width: 100%;\n  height: 100%;\n  position: absolute;\n  top: 0;\n  left: 0;\n  z-index: 1;\n}\n\n.react-graph__selectionpane {\n  width: 100%;\n  height: 100%;\n  position: absolute;\n  top: 0;\n  left: 0;\n  z-index: 2;\n}\n\n.react-graph__selection {\n  position: absolute;\n  top: 0;\n  left: 0;\n  background: rgba(0, 89, 220, 0.08);\n  border: 1px dotted rgba(0, 89, 220, 0.8);\n}\n\n.react-graph__edges {\n  position: absolute;\n  top: 0;\n  left: 0;\n  pointer-events: none;\n  z-index: 2;\n}\n\n.react-graph__edge {\n  fill: none;\n  stroke: #333;\n  stroke-width: 2;\n  pointer-events: all;\n}\n\n.react-graph__edge.selected {\n    stroke: #ff5050;\n  }\n\n.react-graph__nodes {\n  width: 100%;\n  height: 100%;\n  position: absolute;\n  z-index: 3;\n  pointer-events: none;\n  transform-origin: 0 0;\n}\n\n.react-graph__node {\n  position: absolute;\n  color: #222;\n  font-family: sans-serif;\n  font-size: 12px;\n  text-align: center;\n  cursor: -webkit-grab;\n  cursor: grab;\n  -webkit-user-select: none;\n     -moz-user-select: none;\n      -ms-user-select: none;\n          user-select: none;\n  pointer-events: all;\n  transform-origin: 0 0;\n}\n\n.react-graph__node:hover > * {\n    box-shadow: 0 1px 5px 2px rgba(0, 0, 0, 0.08);\n  }\n\n.react-graph__node.selected > * {\n    box-shadow: 0 0 0 2px #000;\n  }\n\n.react-graph__handle {\n  position: absolute;\n  width: 12px;\n  height: 12px;\n  transform: translate(-50%, -50%);\n  background: #222;\n  left: 50%;\n  border-radius: 50%;\n}\n\n.react-graph__nodesselection {\n  z-index: 3;\n  position: absolute;\n  width: 100%;\n  height: 100%;\n  top: 0;\n  left: 0;\n  transform-origin: left top;\n  pointer-events: none;\n}\n\n.react-graph__nodesselection-rect {\n    position: absolute;\n    background: rgba(0, 89, 220, 0.08);\n    border: 1px dotted rgba(0, 89, 220, 0.8);\n  }";
+  styleInject(css);
+
   var ReactGraph =
   /*#__PURE__*/
   function (_PureComponent) {

example/index.html

@@ -4,7 +4,7 @@
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <meta http-equiv="X-UA-Compatible" content="ie=edge">
-  <link rel="stylesheet" type="text/css" href="../dist/ReactGraph.css">
+  <!-- <link rel="stylesheet" type="text/css" href="../dist/ReactGraph.css"> -->
   <title>Document</title>
   <style>
     html, body {

rollup.config.js

@@ -29,10 +29,9 @@ export default [{
 		plugins: [
 			bundleSize(),
 			postcss({
-				extract: true,
 				plugins: [
-					autoprefixer(),
+					postCssNested(),
-					postCssNested()
+					autoprefixer()
 				]
 			}),
 			resolve(),