first commit

frontend/node_modules/rc-util/lib/Dom/class.js

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+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.addClass = addClass;
+exports.hasClass = hasClass;
+exports.removeClass = removeClass;
+function hasClass(node, className) {
+  if (node.classList) {
+    return node.classList.contains(className);
+  }
+  var originClass = node.className;
+  return " ".concat(originClass, " ").indexOf(" ".concat(className, " ")) > -1;
+}
+function addClass(node, className) {
+  if (node.classList) {
+    node.classList.add(className);
+  } else {
+    if (!hasClass(node, className)) {
+      node.className = "".concat(node.className, " ").concat(className);
+    }
+  }
+}
+function removeClass(node, className) {
+  if (node.classList) {
+    node.classList.remove(className);
+  } else {
+    if (hasClass(node, className)) {
+      var originClass = node.className;
+      node.className = " ".concat(originClass, " ").replace(" ".concat(className, " "), ' ');
+    }
+  }
+}