Replace classnames with clsx (#599)

clsx is fully compatible with classnames API, is quickly gaining traction and is about 1/3rd smaller than classnames.

Author: wojtekmaj

lib/Draggable.js

@@ -2,7 +2,7 @@
 import * as React from 'react';
 import PropTypes from 'prop-types';
 import ReactDOM from 'react-dom';
-import classNames from 'classnames';
+import clsx from 'clsx';
 import {createCSSTransform, createSVGTransform} from './utils/domFns';
 import {canDragX, canDragY, createDraggableData, getBoundPosition} from './utils/positionFns';
 import {dontSetMe} from './utils/shims';
@@ -375,7 +375,7 @@ class Draggable extends React.Component<DraggableProps, DraggableState> {
     }
 
     // Mark with class while dragging
-    const className = classNames((children.props.className || ''), defaultClassName, {
+    const className = clsx((children.props.className || ''), defaultClassName, {
       [defaultClassNameDragging]: this.state.dragging,
       [defaultClassNameDragged]: this.state.dragged
     });

package.json

@@ -89,7 +89,7 @@
     "test"
   ],
   "dependencies": {
-    "classnames": "^2.2.5",
+    "clsx": "^1.1.1",
     "prop-types": "^15.6.0"
   },
   "peerDependencies": {

yarn.lock

@@ -1860,11 +1860,6 @@ class-utils@^0.3.5:
     isobject "^3.0.0"
     static-extend "^0.1.1"
 
-classnames@^2.2.5:
-  version "2.2.6"
-  resolved "https://registry.yarnpkg.com/classnames/-/classnames-2.2.6.tgz#43935bffdd291f326dad0a205309b38d00f650ce"
-  integrity sha512-JR/iSQOSt+LQIWwrwEzJ9uk0xfN3mTVYMwt1Ir5mUcSN6pU+V4zQFFaJsclJbPuAUQH+yfWef6tm7l1quW3C8Q==
-
 cliui@^5.0.0:
   version "5.0.0"
   resolved "https://registry.yarnpkg.com/cliui/-/cliui-5.0.0.tgz#deefcfdb2e800784aa34f46fa08e06851c7bbbc5"
@@ -1892,6 +1887,11 @@ clone-deep@^4.0.1:
     kind-of "^6.0.2"
     shallow-clone "^3.0.0"
 
+clsx@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/clsx/-/clsx-1.1.1.tgz#98b3134f9abbdf23b2663491ace13c5c03a73188"
+  integrity sha512-6/bPho624p3S2pMyvP5kKBPXnI3ufHLObBFCfgx+LkeR5lg2XYy2hqZqUf45ypD8COn2bhgGJSUE+l5dhNBieA==
+
 collection-visit@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/collection-visit/-/collection-visit-1.0.0.tgz#4bc0373c164bc3291b4d368c829cf1a80a59dca0"