#16 global variables checking for server-side render

src/hotkeys.js

@@ -274,13 +274,14 @@ function getKeys(key) {
 }
 
 // 在全局document上设置快捷键
-addEvent(document, 'keydown', function (event) {
-  dispatch(event);
-});
-
-addEvent(document, 'keyup', function (event) {
-  clearModifier(event);
-});
+if (typeof document !== 'undefined') {
+  addEvent(document, "keydown", function (event) {
+    dispatch(event);
+  });
+  addEvent(document, "keyup", function (event) {
+    clearModifier(event);
+  });
+}
 
 // 清除修饰键
 function clearModifier(event) {
@@ -347,17 +348,16 @@ _api = {
 };
 
 for (var a in _api) hotkeys[a] = _api[a];
-
-var _hotkeys = window.hotkeys
-
-hotkeys.noConflict = function (deep) {
-  if (deep && window.hotkeys === hotkeys) {
-    window.hotkeys = _hotkeys;
-  }
-
-  return hotkeys;
-};
-
+if (typeof window !== 'undefined') {
+  var _hotkeys = window.hotkeys;
+  hotkeys.noConflict = function (deep) {
+    if (deep && window.hotkeys === hotkeys) {
+      window.hotkeys = _hotkeys;
+    }
+    return hotkeys;
+  };
+  window.hotkeys = hotkeys;
+}
 window.hotkeys = hotkeys;
 
 return hotkeys;