Merge branch 'master' of github.com:jakezatecky/react-checkbox-tree into master

# Conflicts:
#	package.json

Author: jakezatecky

.travis.yml

@@ -1,8 +1,8 @@
 language: node_js
 node_js:
-  - '8'
   - '10'
   - '12'
+  - '13'
 before_script:
   # Remove ./node_modules/.bin from PATH so node-which doesn't replace Unix which and cause RVM to barf. See https://github.com/travis-ci/travis-ci/issues/5092
   - PATH=${PATH//:\.\/node_modules\/\.bin/}

README.md

@@ -143,7 +143,7 @@ import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
 | Property             | Type     | Description                                                                                                            | Default     |
 | -------------------- | -------- | ---------------------------------------------------------------------------------------------------------------------- | ----------- |
 | `nodes`              | array    | **Required**. Specifies the tree nodes and their children.                                                             |             |
-| `checkModel`         | bool     | Specifies which checked nodes should be stored in the `checked` array. Accepts `'leaf'` or `'all'`.                    | `'leaf'`    |
+| `checkModel`         | string   | Specifies which checked nodes should be stored in the `checked` array. Accepts `'leaf'` or `'all'`.                    | `'leaf'`    |
 | `checked`            | array    | An array of checked node values.                                                                                       | `[]`        |
 | `disabled`           | bool     | If true, the component will be disabled and nodes cannot be checked.                                                   | `false`     |
 | `expandDisabled`     | bool     | If true, the ability to expand nodes will be disabled.                                                                 | `false`     |

package.json

@@ -57,8 +57,8 @@
     "gulp-mocha": "^7.0.0",
     "gulp-sass": "^4.1.0",
     "gulp-stylelint": "^13.0.0",
-    "jsdom": "^15.0.0",
-    "mocha": "^6.0.0",
+    "jsdom": "^16.0.1",
+    "mocha": "^7.0.1",
     "react": "^16.0.0",
     "react-dom": "^16.0.0",
     "react-test-renderer": "^16.0.0",
@@ -71,7 +71,7 @@
   "dependencies": {
     "classnames": "^2.2.5",
     "lodash": "^4.17.10",
-    "nanoid": "^2.0.0",
+    "nanoid": "^3.0.0",
     "prop-types": "^15.5.8"
   }
 }

src/js/CheckboxTree.js

@@ -1,6 +1,6 @@
 import classNames from 'classnames';
 import isEqual from 'lodash/isEqual';
-import nanoid from 'nanoid';
+import { nanoid } from 'nanoid';
 import PropTypes from 'prop-types';
 import React from 'react';