diff --git a/__mocks__/FileCard.test.js b/__mocks__/FileCard.test.js
new file mode 100644
index 00000000..6d08f362
--- /dev/null
+++ b/__mocks__/FileCard.test.js
@@ -0,0 +1,172 @@
+import React from "react";
+import Enzyme, {shallow} from 'enzyme';
+import Adapter from 'enzyme-adapter-react-16';
+import FileCard from '../src/components/file/FileCard';
+import { findByAttribute, checkProps } from './testUtils';
+
+Enzyme.configure({
+    adapter: new Adapter(),
+});
+
+const mockSetPreview = jest.fn();
+
+jest.mock('react', () => ({
+    ...jest.requireActual('react'),
+    useState: jest.fn(),
+}))
+
+import { useState } from 'react';
+
+const defaultProps = {
+    repository: {
+        owner: {
+            username: 'username',
+            avatar_url: 'avatar_url',
+        },
+        name: 'name',
+        avatar_url: 'avatar_url',
+        permissions: {
+            push: true,
+        },
+        full_name: 'full_name',
+        default_branch: 'default_branch'
+    },
+    file:{
+        name: 'file.name',
+        path: 'file.path',
+        sha: 'file.sha',
+        content: 'file.content',
+        branch: 'file.branch',
+        filepath: 'filepath',
+        save: () => {},
+        dangerouslyDelete: () => {},
+        close: () => {}
+    },
+    isAuthenticated: true
+}
+
+const setupWrapper = (props = {}) => {
+    const setupProps = {...defaultProps, ...props}
+    return shallow(<FileCard {...setupProps}/>)
+}
+
+
+test('FileForm PropTypes', () => {
+    const conformingProps = {
+        repository: {
+            owner: {
+                username: 'username',
+                avatar_url: 'avatar_url',
+            },
+            name: 'name',
+            avatar_url: 'avatar_url',
+            permissions: {
+                push: true,
+            },
+            full_name: 'full_name',
+            default_branch: 'default_branch'
+        },
+        file:{
+            name: 'file.name',
+            path: 'file.path',
+            sha: 'file.sha',
+            content: 'file.content',
+            branch: 'file.branch',
+            filepath: 'filepath',
+            save: () => {},
+            dangerouslyDelete: () => {},
+            close: () => {}
+        },
+        isAuthenticated: true,
+    }
+    checkProps(FileCard, conformingProps);
+});
+
+// render tests
+describe('render fileCard elements',() => {
+    beforeEach(()=>{
+        useState.mockImplementation(jest.requireActual('react').useState);
+    })
+    test('render fileCard', () => {
+        const wrapper = setupWrapper();
+        const fileCard = findByAttribute(wrapper, 'component-fileCard');
+        expect(fileCard.length).toBe(1);
+    });
+
+    test('render cardHeader', () => {
+        const wrapper = setupWrapper();
+        const cardHeader = findByAttribute(wrapper, 'cardHeader');
+        expect(cardHeader.length).toBe(1);
+    });
+
+    test('render blockEditable', () => {
+        const wrapper = setupWrapper();
+        const blockEditable = findByAttribute(wrapper, 'blockEditable');
+        expect(blockEditable.length).toBe(1);
+    });
+
+    test('render previewButton', () => {
+        const wrapper = setupWrapper();
+        const previewButton = findByAttribute(wrapper, 'previewButton');
+        expect(previewButton.length).toBe(1);
+    });
+
+    test('render saveButton', () => {
+        const wrapper = setupWrapper();
+        const saveButton = findByAttribute(wrapper, 'saveButton');
+        expect(saveButton.length).toBe(1);
+    });
+
+    test('render deleteButton', () => {
+        const wrapper = setupWrapper();
+        const deleteButton = findByAttribute(wrapper, 'deleteButton');
+        expect(deleteButton.length).toBe(1);
+    });
+
+    test('render closeButton', () => {
+        const wrapper = setupWrapper();
+        const closeButton = findByAttribute(wrapper, 'closeButton');
+        expect(closeButton.length).toBe(1);
+    });
+});
+
+
+// conditional rendering
+describe('conditional rendering',() => {
+    beforeEach(()=>{
+        useState.mockImplementation(jest.requireActual('react').useState);
+    })
+    test('conditional rendering preview', () => {
+        const wrapper = setupWrapper();
+        let previewIcon = findByAttribute(wrapper, 'previewIcon');
+        let previewIconOutlined = findByAttribute(wrapper, 'previewIconOutlined');
+        expect(previewIcon.length).toBe(0);
+        expect(previewIconOutlined.length).toBe(1);
+        const previewButton = findByAttribute(wrapper, 'previewButton');
+        previewButton.simulate('click');
+        previewIcon = findByAttribute(wrapper, 'previewIcon');
+        previewIconOutlined = findByAttribute(wrapper, 'previewIconOutlined');
+        expect(previewIcon.length).toBe(1);
+        expect(previewIconOutlined.length).toBe(0);
+    });
+});
+
+describe('switch the preview state',() => {    
+    test('switch the preview state from true to false', () => {
+        useState.mockReturnValue([true, mockSetPreview]);
+        const wrapper = setupWrapper();
+        const blockEditable = findByAttribute(wrapper, 'blockEditable');
+        expect(blockEditable.props().preview).toBeTruthy();
+        const previewButton = findByAttribute(wrapper, 'previewButton');
+        previewButton.simulate('click');
+        expect(mockSetPreview).toBeCalledWith(false);
+    });
+
+    test('switch the preview state from false to true', () => {
+        useState.mockReturnValue([false, mockSetPreview]);
+        const wrapper = setupWrapper();
+        const previewButton = findByAttribute(wrapper, 'previewButton');
+        previewButton.simulate('click');
+        expect(mockSetPreview).toBeCalledWith(true);
+    });
+})
diff --git a/__mocks__/FileForm.test.js b/__mocks__/FileForm.test.js
new file mode 100644
index 00000000..25e5ae8a
--- /dev/null
+++ b/__mocks__/FileForm.test.js
@@ -0,0 +1,96 @@
+import React from "react";
+import Enzyme, {shallow} from 'enzyme';
+import Adapter from 'enzyme-adapter-react-16';
+import FileForm from '../src/components/file/FileForm';
+import { findByAttribute, checkProps } from './testUtils';
+
+Enzyme.configure({
+    adapter: new Adapter(),
+});
+
+const defaultProps = { onSubmit: () => {} }
+
+const setupWrapper = (props = {}) => {
+    const setupProps = {...defaultProps, ...props}
+    return shallow(<FileForm {...setupProps}/>)
+}
+
+const mockSetBranch = jest.fn();
+
+jest.mock('react', () => ({
+    ...jest.requireActual('react'),
+    useState: (initialState) => [initialState, mockSetBranch]
+}))
+
+// render tests
+describe('render fileForm elements',() => {
+    test('render fileForm', () => {
+        const wrapper = setupWrapper();
+        const fileForm = findByAttribute(wrapper, 'component-fileForm');
+        expect(fileForm.length).toBe(1);
+    });
+    
+    test('render branch-textField', () => {
+        const wrapper = setupWrapper();
+        const branch = findByAttribute(wrapper, 'branch-textField');
+        expect(branch.length).toBe(1);
+    });
+    
+    test('render filepath-textField', () => {
+        const wrapper = setupWrapper();
+        const filepath = findByAttribute(wrapper, 'filepath-textField');
+        expect(filepath.length).toBe(1);
+    });
+    
+    test('render defaultContent-textField', () => {
+        const wrapper = setupWrapper();
+        const defaultContent = findByAttribute(wrapper, 'defaultContent-textField');
+        expect(defaultContent.length).toBe(1);
+    });
+    
+    test('render submit-button', () => {
+        const wrapper = setupWrapper();
+        const submit = findByAttribute(wrapper, 'submit-button');
+        expect(submit.length).toBe(1);
+    });
+});
+
+// PropTypes tests
+test('FileForm PropTypes', () => {
+    const conformingProps = {
+        submitText: "text",
+        onSubmit: () => {},
+        branch: 'branch',
+        filepath: 'filepath',
+        defaultContent: 'defaultContent',
+    }
+    checkProps(FileForm, conformingProps)
+});
+
+
+// input text 
+describe('text input change',() => {
+    test('update the state with the input value of branch', () => {
+        const wrapper = setupWrapper();
+        const textField = findByAttribute(wrapper, 'branch-textField');
+        const mockEvent = { target: { value: 'branch' } };
+        textField.simulate('change', mockEvent);
+        expect(mockSetBranch).toBeCalledWith('branch')
+    });
+
+    test('update the state with the input value of filepath', () => {
+        const wrapper = setupWrapper();
+        const textField = findByAttribute(wrapper, 'filepath-textField');
+        const mockEvent = { target: { value: 'filepath' } };
+        textField.simulate('change', mockEvent);
+        expect(mockSetBranch).toBeCalledWith('filepath')
+    });
+
+    test('update the state with the input value of defaultContent', () => {
+        const wrapper = setupWrapper();
+        const textField = findByAttribute(wrapper, 'defaultContent-textField');
+        const mockEvent = { target: { value: 'defaultContent' } };
+        textField.simulate('change', mockEvent);
+        expect(mockSetBranch).toBeCalledWith('defaultContent')
+    });
+})
\ No newline at end of file
diff --git a/__mocks__/fileMock.js b/__mocks__/fileMock.js
new file mode 100644
index 00000000..84c1da6f
--- /dev/null
+++ b/__mocks__/fileMock.js
@@ -0,0 +1 @@
+module.exports = 'test-file-stub';
\ No newline at end of file
diff --git a/__mocks__/testUtils.js b/__mocks__/testUtils.js
new file mode 100644
index 00000000..8f353d68
--- /dev/null
+++ b/__mocks__/testUtils.js
@@ -0,0 +1,12 @@
+import checkPropTypes from 'check-prop-types';
+
+export const findByAttribute = (wrapper, attribute) => wrapper.find(`[data-test='${attribute}']`)
+
+export const checkProps = (component, conformingProps) => {
+    const propError = checkPropTypes(
+        component.propTypes,
+        conformingProps,
+        'prop',
+        component.name);
+    expect(propError).toBeUndefined();
+}
\ No newline at end of file
diff --git a/jest.enzyme.config.js b/jest.enzyme.config.js
new file mode 100644
index 00000000..20dff1d8
--- /dev/null
+++ b/jest.enzyme.config.js
@@ -0,0 +1,9 @@
+module.exports = {
+    'roots': [
+      '<rootDir>/__mocks__',
+    ],
+    'moduleNameMapper': {
+      "\\.(jpg|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$": "<rootDir>/__mocks__/fileMock.js",
+      "\\.(css|less)$": "identity-obj-proxy"
+    }
+  };
\ No newline at end of file
diff --git a/package.json b/package.json
index 8ff88f5d..b6b074bc 100644
--- a/package.json
+++ b/package.json
@@ -29,6 +29,7 @@
     "test:e2e": "NODE_ENV=test start-test 6060 cypress:run && nyc report --reporter=json-summary",
     "test:unit": "NODE_ENV=test jest ./src/core --coverage && cat ./coverage/lcov.info | coveralls",
     "test": "nyc --exclude-after-remap=false npm run test:e2e",
+    "testJestEnzyme": "jest --watch -c ./jest.enzyme.config.js",
     "create-coverage-badge": "bash scripts/create-badge-json.sh"
   },
   "browserslist": [
@@ -66,14 +67,18 @@
     "babel-jest": "24.9.0",
     "babel-loader": "^8.0.6",
     "babel-plugin-istanbul": "6.0.0",
+    "check-prop-types": "^1.1.2",
     "coveralls": "3.0.7",
     "cypress": "^6.8.0",
+    "enzyme": "^3.11.0",
+    "enzyme-adapter-react-16": "^1.15.6",
     "eslint": "6.6.0",
     "eslint-config-prettier": "6.5.0",
     "eslint-plugin-chai-friendly": "0.5.0",
     "eslint-plugin-cypress": "^2.11.1",
     "eslint-plugin-mdx": "1.0.1",
     "eslint-plugin-react": "7.19.0",
+    "identity-obj-proxy": "^3.0.0",
     "istanbul-lib-coverage": "2.0.5",
     "jest": "24.9.0",
     "lorem-ipsum": "2.0.1",
diff --git a/src/components/file/FileCard.js b/src/components/file/FileCard.js
index 7e6a965d..4cba1964 100644
--- a/src/components/file/FileCard.js
+++ b/src/components/file/FileCard.js
@@ -22,29 +22,32 @@ const useStyles = makeStyles(theme => ({
 }));
 
 function FileCard({
-  authentication,
+  isAuthenticated,
   repository,
   file,
 }) {
   const classes = useStyles();
   const [preview, setPreview] = useState(true);
-  const [markdown, setMarkdown] = useState(file ? file.content : '');
+  const [markdown, setMarkdown] = useState('');
   const changed = (markdown !== (file && file.content));
   const avatarUrl = repository.avatar_url || repository.owner.avatar_url;
   const access = repository.permissions.push;
 
   useEffect(() => {
-    setMarkdown(file && file.content);
+    setMarkdown(file && file.content ? file.content : '');
   }, [file]);
 
   const branch = (file && file.branch) ? file.branch : repository.default_branch;
 
   return (
-    <Card>
+    <Card
+      data-test="component-fileCard"
+    >
       <CardHeader
         avatar={<Avatar src={avatarUrl} />}
         title={<strong>{file && file.path}</strong>}
         subheader={repository.full_name + '/' + branch}
+        data-test="cardHeader"
       />
       <CardContent>
         <Paper>
@@ -52,14 +55,24 @@ function FileCard({
             preview={preview}
             markdown={markdown}
             onEdit={setMarkdown}
-            editable={!!authentication}
+            editable={isAuthenticated}
+            data-test="blockEditable"
           />
         </Paper>
       </CardContent>
       <CardActions>
         <div className={classes.actions}>
-          <IconButton className={classes.action} aria-label="Preview" onClick={() => setPreview(!preview)}>
-            {!preview ? <Pageview /> : <PageviewOutlined />}
+          <IconButton 
+            className={classes.action}
+            aria-label="Preview"
+            onClick={() => setPreview(!preview)}
+            data-test="previewButton"
+          >
+            {
+              !preview ?
+                <Pageview data-test="previewIcon"/> :
+                <PageviewOutlined data-test="previewIconOutlined"/>
+            }
           </IconButton>
           <IconButton
             className={classes.action}
@@ -68,6 +81,7 @@ function FileCard({
             onClick={() => {
               if (changed) file.save(markdown);
             }}
+            data-test="saveButton"
           >
             {changed ? <Save /> : <SaveOutlined />}
           </IconButton>
@@ -82,12 +96,14 @@ function FileCard({
 
               if (confirmation) file.dangerouslyDelete();
             }}
+            data-test="deleteButton"
           >
             <DeleteSweepOutlined />
           </IconButton>
           <IconButton
             title="Close Repository"
             onClick={file.close}
+            data-test="closeButton"
           >
             <CancelOutlined />
           </IconButton>
@@ -106,6 +122,11 @@ FileCard.propTypes = {
     }),
     name: PropTypes.string.isRequired,
     avatar_url: PropTypes.string,
+    permissions: PropTypes.shape({
+      push: PropTypes.bool,
+    }).isRequired,
+    full_name: PropTypes.string.isRequired,
+    default_branch: PropTypes.string.isRequired, 
   }).isRequired,
   /** Pass a previously returned file object to bypass the selection. */
   file: PropTypes.shape({
@@ -115,13 +136,12 @@ FileCard.propTypes = {
     content: PropTypes.string,
     branch: PropTypes.string,
     filepath: PropTypes.string,
+    save: PropTypes.func.isRequired,
+    dangerouslyDelete: PropTypes.func.isRequired,
+    close: PropTypes.func.isRequired
   }),
   /** Pass a previously returned authentication object to bypass login. */
-  authentication: PropTypes.shape({
-    user: PropTypes.object.isRequired,
-    token: PropTypes.object.isRequired,
-    config: PropTypes.object.isRequired,
-  }),
+  isAuthenticated: PropTypes.bool,
 };
 
 export default FileCard;
diff --git a/src/components/file/FileForm.js b/src/components/file/FileForm.js
index 040e18c8..cb5e1a9d 100644
--- a/src/components/file/FileForm.js
+++ b/src/components/file/FileForm.js
@@ -17,28 +17,35 @@ function FileForm({
   const disabled = !(filepath);
 
   return (
-    <Paper style={{ marginBottom: '1em', padding: '1.3em' }}>
+    <Paper 
+      style={{ marginBottom: '1em', padding: '1.3em' }}
+      data-test="component-fileForm"
+    >
       <form>
         <button type="submit" disabled style={{ display: 'none' }} aria-hidden="true"></button>
         <TextField
           name='branch' label='branch' type='text' autoComplete={null}
-          variant="outlined" margin="normal" fullWidth defaultValue={branch}
+          variant="outlined" margin="normal" fullWidth defaultValue={'branch'}
           onChange={(e) => setBranch(e.target.value)}
+          data-test="branch-textField"
         />
         <TextField
           name='filepath' label='filepath' type='text' autoComplete={null}
           variant="outlined" margin="normal" fullWidth defaultValue={filepath}
           onChange={(e) => setFilepath(e.target.value)}
+          data-test="filepath-textField"
         />
         <TextField
           name='defaultContent' label='defaultContent' type='text' multiline={true} autoComplete={null}
           variant="outlined" margin="normal" fullWidth defaultValue={defaultContent}
           onChange={(e) => setDefaultContent(e.target.value)}
+          data-test="defaultContent-textField"
         />
         <Button type="button" disabled={disabled} fullWidth variant="contained" color="primary"
           onClick={() => onSubmit({
             branch, filepath, defaultContent,
           })}
+          data-test="submit-button"
         >
           {submitText}
         </Button>
@@ -52,6 +59,9 @@ FileForm.propTypes = {
   submitText: PropTypes.string,
   /** Function run when submit button is clicked */
   onSubmit: PropTypes.func.isRequired,
+  branch: PropTypes.string,
+  filepath: PropTypes.string,
+  defaultContent: PropTypes.string,
 };
 
 FileForm.defaultProps = { submitText: 'Submit' };
diff --git a/src/components/file/useFile.js b/src/components/file/useFile.js
index 121d3963..91ef6a97 100644
--- a/src/components/file/useFile.js
+++ b/src/components/file/useFile.js
@@ -187,7 +187,7 @@ function useFile({
     browse: repository && blobComponents.browse,
     fileCard: repository && file && (
       <FileCard
-        authentication={authentication}
+        authentication={Object.keys(authentication).length === 0}
         repository={repository}
         file={{ ...file, ...actions }}
       />
diff --git a/yarn.lock b/yarn.lock
index 025aa379..15ed1912 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2940,6 +2940,21 @@ aggregate-error@^3.0.0:
     clean-stack "^2.0.0"
     indent-string "^4.0.0"
 
+airbnb-prop-types@^2.16.0:
+  version "2.16.0"
+  resolved "https://registry.yarnpkg.com/airbnb-prop-types/-/airbnb-prop-types-2.16.0.tgz#b96274cefa1abb14f623f804173ee97c13971dc2"
+  integrity sha512-7WHOFolP/6cS96PhKNrslCLMYAI8yB1Pp6u6XmxozQOiZbsI5ycglZr5cHhBFfuRcQQjzCMith5ZPZdYiJCxUg==
+  dependencies:
+    array.prototype.find "^2.1.1"
+    function.prototype.name "^1.1.2"
+    is-regex "^1.1.0"
+    object-is "^1.1.2"
+    object.assign "^4.1.0"
+    object.entries "^1.1.2"
+    prop-types "^15.7.2"
+    prop-types-exact "^1.2.0"
+    react-is "^16.13.1"
+
 ajv-errors@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/ajv-errors/-/ajv-errors-1.0.1.tgz#f35986aceb91afadec4102fbd85014950cefa64d"
@@ -3207,6 +3222,25 @@ array-unique@^0.3.2:
   resolved "https://registry.yarnpkg.com/array-unique/-/array-unique-0.3.2.tgz#a894b75d4bc4f6cd679ef3244a9fd8f46ae2d428"
   integrity sha1-qJS3XUvE9s1nnvMkSp/Y9Gri1Cg=
 
+array.prototype.filter@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/array.prototype.filter/-/array.prototype.filter-1.0.0.tgz#24d63e38983cdc6bf023a3c574b2f2a3f384c301"
+  integrity sha512-TfO1gz+tLm+Bswq0FBOXPqAchtCr2Rn48T8dLJoRFl8NoEosjZmzptmuo1X8aZBzZcqsR1W8U761tjACJtngTQ==
+  dependencies:
+    call-bind "^1.0.2"
+    define-properties "^1.1.3"
+    es-abstract "^1.18.0"
+    es-array-method-boxes-properly "^1.0.0"
+    is-string "^1.0.5"
+
+array.prototype.find@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/array.prototype.find/-/array.prototype.find-2.1.1.tgz#3baca26108ca7affb08db06bf0be6cb3115a969c"
+  integrity sha512-mi+MYNJYLTx2eNYy+Yh6raoQacCsNeeMUaspFPh9Y141lFSsWxxB8V9mM2ye+eqiRs917J6/pJ4M9ZPzenWckA==
+  dependencies:
+    define-properties "^1.1.3"
+    es-abstract "^1.17.4"
+
 array.prototype.flat@^1.2.1, array.prototype.flat@^1.2.3:
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/array.prototype.flat/-/array.prototype.flat-1.2.4.tgz#6ef638b43312bd401b4c6199fdec7e2dc9e9a123"
@@ -4515,6 +4549,35 @@ check-more-types@2.24.0, check-more-types@^2.24.0:
   resolved "https://registry.yarnpkg.com/check-more-types/-/check-more-types-2.24.0.tgz#1420ffb10fd444dcfc79b43891bbfffd32a84600"
   integrity sha1-FCD/sQ/URNz8ebQ4kbv//TKoRgA=
 
+check-prop-types@^1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/check-prop-types/-/check-prop-types-1.1.2.tgz#c42df4fbdb509fbd4d8a102d113bb0ca01c21e67"
+  integrity sha512-hGDrZ1yhRgKuP1yzZ5sUX/PPmlKBLOF1GyF0Z008Sienko3BFZmlCXnmq+npRTIL/WlFCUzThyd+F5PQnnT1ug==
+
+cheerio-select@^1.5.0:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/cheerio-select/-/cheerio-select-1.5.0.tgz#faf3daeb31b17c5e1a9dabcee288aaf8aafa5823"
+  integrity sha512-qocaHPv5ypefh6YNxvnbABM07KMxExbtbfuJoIie3iZXX1ERwYmJcIiRrr9H05ucQP1k28dav8rpdDgjQd8drg==
+  dependencies:
+    css-select "^4.1.3"
+    css-what "^5.0.1"
+    domelementtype "^2.2.0"
+    domhandler "^4.2.0"
+    domutils "^2.7.0"
+
+cheerio@^1.0.0-rc.3:
+  version "1.0.0-rc.10"
+  resolved "https://registry.yarnpkg.com/cheerio/-/cheerio-1.0.0-rc.10.tgz#2ba3dcdfcc26e7956fc1f440e61d51c643379f3e"
+  integrity sha512-g0J0q/O6mW8z5zxQ3A8E8J1hUgp4SMOvEoW/x84OwyHKe/Zccz83PVT4y5Crcr530FV6NgmKI1qvGTKVl9XXVw==
+  dependencies:
+    cheerio-select "^1.5.0"
+    dom-serializer "^1.3.2"
+    domhandler "^4.2.0"
+    htmlparser2 "^6.1.0"
+    parse5 "^6.0.1"
+    parse5-htmlparser2-tree-adapter "^6.0.1"
+    tslib "^2.2.0"
+
 chokidar@^2.0.4, chokidar@^2.1.1, chokidar@^2.1.8:
   version "2.1.8"
   resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-2.1.8.tgz#804b3a7b6a99358c3c5c61e71d8728f041cff917"
@@ -5455,6 +5518,17 @@ css-select@^2.0.0, css-select@^2.0.2:
     domutils "^1.7.0"
     nth-check "^1.0.2"
 
+css-select@^4.1.3:
+  version "4.1.3"
+  resolved "https://registry.yarnpkg.com/css-select/-/css-select-4.1.3.tgz#a70440f70317f2669118ad74ff105e65849c7067"
+  integrity sha512-gT3wBNd9Nj49rAbmtFHj1cljIAOLYSX1nZ8CB7TBO3INYckygm5B7LISU/szY//YmdiSLbJvDLOx9VnMVpMBxA==
+  dependencies:
+    boolbase "^1.0.0"
+    css-what "^5.0.0"
+    domhandler "^4.2.0"
+    domutils "^2.6.0"
+    nth-check "^2.0.0"
+
 css-tree@1.0.0-alpha.37:
   version "1.0.0-alpha.37"
   resolved "https://registry.yarnpkg.com/css-tree/-/css-tree-1.0.0-alpha.37.tgz#98bebd62c4c1d9f960ec340cf9f7522e30709a22"
@@ -5484,6 +5558,11 @@ css-what@^3.2.1:
   resolved "https://registry.yarnpkg.com/css-what/-/css-what-3.4.2.tgz#ea7026fcb01777edbde52124e21f327e7ae950e4"
   integrity sha512-ACUm3L0/jiZTqfzRM3Hi9Q8eZqd6IK37mMWPLz9PJxkLWllYeRf+EHUSHYEtFop2Eqytaq1FizFVh7XfBnXCDQ==
 
+css-what@^5.0.0, css-what@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/css-what/-/css-what-5.0.1.tgz#3efa820131f4669a8ac2408f9c32e7c7de9f4cad"
+  integrity sha512-FYDTSHb/7KXsWICVsxdmiExPjCfRC4qRFBdVwv7Ax9hMnvMmEjP9RfxTEZ3qPZGmADDn2vAKSo9UcN1jKVYscg==
+
 css@^2.0.0:
   version "2.2.4"
   resolved "https://registry.yarnpkg.com/css/-/css-2.2.4.tgz#c646755c73971f2bba6a601e2cf2fd71b1298929"
@@ -6025,6 +6104,11 @@ dir-glob@^3.0.0, dir-glob@^3.0.1:
   dependencies:
     path-type "^4.0.0"
 
+discontinuous-range@1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/discontinuous-range/-/discontinuous-range-1.0.0.tgz#e38331f0844bba49b9a9cb71c771585aab1bc65a"
+  integrity sha1-44Mx8IRLukm5qctxx3FYWqsbxlo=
+
 dns-equal@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/dns-equal/-/dns-equal-1.0.0.tgz#b39e7f1da6eb0a75ba9c17324b34753c47e0654d"
@@ -6099,6 +6183,15 @@ dom-serializer@^1.0.1:
     domhandler "^4.0.0"
     entities "^2.0.0"
 
+dom-serializer@^1.3.2:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/dom-serializer/-/dom-serializer-1.3.2.tgz#6206437d32ceefaec7161803230c7a20bc1b4d91"
+  integrity sha512-5c54Bk5Dw4qAxNOI1pFEizPSjVsx5+bpJKmL2kPn8JhBUq2q09tTCa3mjijun2NfK78NMouDYNMBkOrPZiS+ig==
+  dependencies:
+    domelementtype "^2.0.1"
+    domhandler "^4.2.0"
+    entities "^2.0.0"
+
 domain-browser@^1.1.1, domain-browser@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/domain-browser/-/domain-browser-1.2.0.tgz#3d31f50191a6749dd1375a7f522e823d42e54eda"
@@ -6114,6 +6207,11 @@ domelementtype@^2.0.1, domelementtype@^2.1.0:
   resolved "https://registry.yarnpkg.com/domelementtype/-/domelementtype-2.1.0.tgz#a851c080a6d1c3d94344aed151d99f669edf585e"
   integrity sha512-LsTgx/L5VpD+Q8lmsXSHW2WpA+eBlZ9HPf3erD1IoPF00/3JKHZ3BknUVA2QGDNu69ZNmyFmCWBSO45XjYKC5w==
 
+domelementtype@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/domelementtype/-/domelementtype-2.2.0.tgz#9a0b6c2782ed6a1c7323d42267183df9bd8b1d57"
+  integrity sha512-DtBMo82pv1dFtUmHyr48beiuq792Sxohr+8Hm9zoxklYPfa6n0Z3Byjj2IV7bmr2IyqClnqEQhfgHJJ5QF0R5A==
+
 domexception@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/domexception/-/domexception-1.0.1.tgz#937442644ca6a31261ef36e3ec677fe805582c90"
@@ -6142,6 +6240,13 @@ domhandler@^4.0.0:
   dependencies:
     domelementtype "^2.1.0"
 
+domhandler@^4.2.0:
+  version "4.2.2"
+  resolved "https://registry.yarnpkg.com/domhandler/-/domhandler-4.2.2.tgz#e825d721d19a86b8c201a35264e226c678ee755f"
+  integrity sha512-PzE9aBMsdZO8TK4BnuJwH0QT41wgMbRzuZrHUcpYncEjmQazq8QEaBWgLG7ZyC/DAZKEgglpIA6j4Qn/HmxS3w==
+  dependencies:
+    domelementtype "^2.2.0"
+
 domino@^2.1.6:
   version "2.1.6"
   resolved "https://registry.yarnpkg.com/domino/-/domino-2.1.6.tgz#fe4ace4310526e5e7b9d12c7de01b7f485a57ffe"
@@ -6164,6 +6269,15 @@ domutils@^2.4.2:
     domelementtype "^2.0.1"
     domhandler "^4.0.0"
 
+domutils@^2.5.2, domutils@^2.6.0, domutils@^2.7.0:
+  version "2.8.0"
+  resolved "https://registry.yarnpkg.com/domutils/-/domutils-2.8.0.tgz#4437def5db6e2d1f5d6ee859bd95ca7d02048135"
+  integrity sha512-w96Cjofp72M5IIhpjgobBimYEfoPjx1Vx0BSX9P30WBdZW2WIKU0T1Bd0kz2eNZ9ikjKgHbEyKx8BB6H1L3h3A==
+  dependencies:
+    dom-serializer "^1.0.1"
+    domelementtype "^2.2.0"
+    domhandler "^4.2.0"
+
 dot-case@^2.1.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/dot-case/-/dot-case-2.1.1.tgz#34dcf37f50a8e93c2b3bca8bb7fb9155c7da3bee"
@@ -6359,6 +6473,70 @@ env-paths@^2.2.0:
   resolved "https://registry.yarnpkg.com/env-paths/-/env-paths-2.2.1.tgz#420399d416ce1fbe9bc0a07c62fa68d67fd0f8f2"
   integrity sha512-+h1lkLKhZMTYjog1VEpJNG7NZJWcuc2DDk/qsqSTRRCOXiLjeQ1d1/udrUGhqMxUgAlwKNZ0cf2uqan5GLuS2A==
 
+enzyme-adapter-react-16@^1.15.6:
+  version "1.15.6"
+  resolved "https://registry.yarnpkg.com/enzyme-adapter-react-16/-/enzyme-adapter-react-16-1.15.6.tgz#fd677a658d62661ac5afd7f7f541f141f8085901"
+  integrity sha512-yFlVJCXh8T+mcQo8M6my9sPgeGzj85HSHi6Apgf1Cvq/7EL/J9+1JoJmJsRxZgyTvPMAqOEpRSu/Ii/ZpyOk0g==
+  dependencies:
+    enzyme-adapter-utils "^1.14.0"
+    enzyme-shallow-equal "^1.0.4"
+    has "^1.0.3"
+    object.assign "^4.1.2"
+    object.values "^1.1.2"
+    prop-types "^15.7.2"
+    react-is "^16.13.1"
+    react-test-renderer "^16.0.0-0"
+    semver "^5.7.0"
+
+enzyme-adapter-utils@^1.14.0:
+  version "1.14.0"
+  resolved "https://registry.yarnpkg.com/enzyme-adapter-utils/-/enzyme-adapter-utils-1.14.0.tgz#afbb0485e8033aa50c744efb5f5711e64fbf1ad0"
+  integrity sha512-F/z/7SeLt+reKFcb7597IThpDp0bmzcH1E9Oabqv+o01cID2/YInlqHbFl7HzWBl4h3OdZYedtwNDOmSKkk0bg==
+  dependencies:
+    airbnb-prop-types "^2.16.0"
+    function.prototype.name "^1.1.3"
+    has "^1.0.3"
+    object.assign "^4.1.2"
+    object.fromentries "^2.0.3"
+    prop-types "^15.7.2"
+    semver "^5.7.1"
+
+enzyme-shallow-equal@^1.0.1, enzyme-shallow-equal@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/enzyme-shallow-equal/-/enzyme-shallow-equal-1.0.4.tgz#b9256cb25a5f430f9bfe073a84808c1d74fced2e"
+  integrity sha512-MttIwB8kKxypwHvRynuC3ahyNc+cFbR8mjVIltnmzQ0uKGqmsfO4bfBuLxb0beLNPhjblUEYvEbsg+VSygvF1Q==
+  dependencies:
+    has "^1.0.3"
+    object-is "^1.1.2"
+
+enzyme@^3.11.0:
+  version "3.11.0"
+  resolved "https://registry.yarnpkg.com/enzyme/-/enzyme-3.11.0.tgz#71d680c580fe9349f6f5ac6c775bc3e6b7a79c28"
+  integrity sha512-Dw8/Gs4vRjxY6/6i9wU0V+utmQO9kvh9XLnz3LIudviOnVYDEe2ec+0k+NQoMamn1VrjKgCUOWj5jG/5M5M0Qw==
+  dependencies:
+    array.prototype.flat "^1.2.3"
+    cheerio "^1.0.0-rc.3"
+    enzyme-shallow-equal "^1.0.1"
+    function.prototype.name "^1.1.2"
+    has "^1.0.3"
+    html-element-map "^1.2.0"
+    is-boolean-object "^1.0.1"
+    is-callable "^1.1.5"
+    is-number-object "^1.0.4"
+    is-regex "^1.0.5"
+    is-string "^1.0.5"
+    is-subset "^0.1.1"
+    lodash.escape "^4.0.1"
+    lodash.isequal "^4.5.0"
+    object-inspect "^1.7.0"
+    object-is "^1.0.2"
+    object.assign "^4.1.0"
+    object.entries "^1.1.1"
+    object.values "^1.1.1"
+    raf "^3.4.1"
+    rst-selector-parser "^2.2.3"
+    string.prototype.trim "^1.2.1"
+
 err-code@^1.0.0:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/err-code/-/err-code-1.1.2.tgz#06e0116d3028f6aef4806849eb0ea6a748ae6960"
@@ -6400,6 +6578,34 @@ es-abstract@^1.17.2, es-abstract@^1.18.0-next.1, es-abstract@^1.18.0-next.2:
     string.prototype.trimstart "^1.0.4"
     unbox-primitive "^1.0.0"
 
+es-abstract@^1.17.4, es-abstract@^1.18.0, es-abstract@^1.18.2:
+  version "1.18.5"
+  resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.18.5.tgz#9b10de7d4c206a3581fd5b2124233e04db49ae19"
+  integrity sha512-DDggyJLoS91CkJjgauM5c0yZMjiD1uK3KcaCeAmffGwZ+ODWzOkPN4QwRbsK5DOFf06fywmyLci3ZD8jLGhVYA==
+  dependencies:
+    call-bind "^1.0.2"
+    es-to-primitive "^1.2.1"
+    function-bind "^1.1.1"
+    get-intrinsic "^1.1.1"
+    has "^1.0.3"
+    has-symbols "^1.0.2"
+    internal-slot "^1.0.3"
+    is-callable "^1.2.3"
+    is-negative-zero "^2.0.1"
+    is-regex "^1.1.3"
+    is-string "^1.0.6"
+    object-inspect "^1.11.0"
+    object-keys "^1.1.1"
+    object.assign "^4.1.2"
+    string.prototype.trimend "^1.0.4"
+    string.prototype.trimstart "^1.0.4"
+    unbox-primitive "^1.0.1"
+
+es-array-method-boxes-properly@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/es-array-method-boxes-properly/-/es-array-method-boxes-properly-1.0.0.tgz#873f3e84418de4ee19c5be752990b2e44718d09e"
+  integrity sha512-wd6JXUmyHmt8T5a2xreUwKcGPq6f1f+WwIJkijUqiGcJz1qqnZgP6XIK+QyIWU5lT7imeNxUll48bziG+TSYcA==
+
 es-to-primitive@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/es-to-primitive/-/es-to-primitive-1.2.1.tgz#e55cd4c9cdc188bcefb03b366c736323fc5c898a"
@@ -7787,11 +7993,26 @@ function.name-polyfill@^1.0.6:
   resolved "https://registry.yarnpkg.com/function.name-polyfill/-/function.name-polyfill-1.0.6.tgz#c54e37cae0a77dfcb49d47982815b0826b5c60d9"
   integrity sha512-ejQivNFbBPTY5O/waFta6D5AzV8GJiM/fMDaT6LrsYax1cb4eipxuQqKNlugF2jlcXIjifsqvju3wsgV35TELg==
 
+function.prototype.name@^1.1.2, function.prototype.name@^1.1.3:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/function.prototype.name/-/function.prototype.name-1.1.4.tgz#e4ea839b9d3672ae99d0efd9f38d9191c5eaac83"
+  integrity sha512-iqy1pIotY/RmhdFZygSSlW0wko2yxkSCKqsuv4pr8QESohpYyG/Z7B/XXvPRKTJS//960rgguE5mSRUsDdaJrQ==
+  dependencies:
+    call-bind "^1.0.2"
+    define-properties "^1.1.3"
+    es-abstract "^1.18.0-next.2"
+    functions-have-names "^1.2.2"
+
 functional-red-black-tree@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/functional-red-black-tree/-/functional-red-black-tree-1.0.1.tgz#1b0ab3bd553b2a0d6399d29c0e3ea0b252078327"
   integrity sha1-GwqzvVU7Kg1jmdKcDj6gslIHgyc=
 
+functions-have-names@^1.2.2:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/functions-have-names/-/functions-have-names-1.2.2.tgz#98d93991c39da9361f8e50b337c4f6e41f120e21"
+  integrity sha512-bLgc3asbWdwPbx2mNk2S49kmJCuQeu0nfmaOgbs8WIyzzkw3r4htszdIi9Q9EMezDPTYuJx2wvjZ/EwgAthpnA==
+
 gauge@~2.7.3:
   version "2.7.4"
   resolved "https://registry.yarnpkg.com/gauge/-/gauge-2.7.4.tgz#2c03405c7538c39d7eb37b317022e325fb018bf7"
@@ -8203,6 +8424,13 @@ has-symbols@^1.0.1, has-symbols@^1.0.2:
   resolved "https://registry.yarnpkg.com/has-symbols/-/has-symbols-1.0.2.tgz#165d3070c00309752a1236a479331e3ac56f1423"
   integrity sha512-chXa79rL/UC2KlX17jo3vRGz0azaWEx5tGqZg5pO3NUyEJVB17dMruQlzCCOfUvElghKcm5194+BCRvi2Rv/Gw==
 
+has-tostringtag@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/has-tostringtag/-/has-tostringtag-1.0.0.tgz#7e133818a7d394734f941e73c3d3f9291e658b25"
+  integrity sha512-kFjcSNhnlGV1kyoGk7OXKSawH5JOb/LzUc5w9B02hOTO0dfFRjbHQKvg1d6cf3HbeUmtU9VbbV3qzZ2Teh97WQ==
+  dependencies:
+    has-symbols "^1.0.2"
+
 has-unicode@^2.0.0, has-unicode@~2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/has-unicode/-/has-unicode-2.0.1.tgz#e0e6fe6a28cf51138855e086d1691e771de2a8b9"
@@ -8358,6 +8586,14 @@ html-comment-regex@^1.1.0:
   resolved "https://registry.yarnpkg.com/html-comment-regex/-/html-comment-regex-1.1.2.tgz#97d4688aeb5c81886a364faa0cad1dda14d433a7"
   integrity sha512-P+M65QY2JQ5Y0G9KKdlDpo0zK+/OHptU5AaBwUfAIDJZk1MYf32Frm84EcOytfJE0t5JvkAnKlmjsXDnWzCJmQ==
 
+html-element-map@^1.2.0:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/html-element-map/-/html-element-map-1.3.1.tgz#44b2cbcfa7be7aa4ff59779e47e51012e1c73c08"
+  integrity sha512-6XMlxrAFX4UEEGxctfFnmrFaaZFNf9i5fNuV5wZ3WWQ4FVaNP1aX1LkX9j2mfEx1NpjeE/rL3nmgEn23GdFmrg==
+  dependencies:
+    array.prototype.filter "^1.0.0"
+    call-bind "^1.0.2"
+
 html-encoding-sniffer@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/html-encoding-sniffer/-/html-encoding-sniffer-1.0.2.tgz#e70d84b94da53aa375e11fe3a351be6642ca46f8"
@@ -8437,6 +8673,16 @@ htmlparser2@^5.0:
     domutils "^2.4.2"
     entities "^2.0.0"
 
+htmlparser2@^6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/htmlparser2/-/htmlparser2-6.1.0.tgz#c4d762b6c3371a05dbe65e94ae43a9f845fb8fb7"
+  integrity sha512-gyyPk6rgonLFEDGoeRgQNaEUvdJ4ktTmmUh/h2t7s+M8oPpIPxgNACWa+6ESR57kXstwqPiCut0V8NRpcwgU7A==
+  dependencies:
+    domelementtype "^2.0.1"
+    domhandler "^4.0.0"
+    domutils "^2.5.2"
+    entities "^2.0.0"
+
 http-cache-semantics@^3.8.1:
   version "3.8.1"
   resolved "https://registry.yarnpkg.com/http-cache-semantics/-/http-cache-semantics-3.8.1.tgz#39b0e16add9b605bf0a9ef3d9daaf4843b4cacd2"
@@ -8592,7 +8838,7 @@ icss-utils@^4.0.0, icss-utils@^4.1.1:
   dependencies:
     postcss "^7.0.14"
 
-identity-obj-proxy@3.0.0:
+identity-obj-proxy@3.0.0, identity-obj-proxy@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/identity-obj-proxy/-/identity-obj-proxy-3.0.0.tgz#94d2bda96084453ef36fbc5aaec37e0f79f1fc14"
   integrity sha1-lNK9qWCERT7zb7xarsN+D3nx/BQ=
@@ -8990,6 +9236,14 @@ is-binary-path@~2.1.0:
   dependencies:
     binary-extensions "^2.0.0"
 
+is-boolean-object@^1.0.1:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/is-boolean-object/-/is-boolean-object-1.1.2.tgz#5c6dc200246dd9321ae4b885a114bb1f75f63719"
+  integrity sha512-gDYaKHJmnj4aWxyj6YHyXVpdQawtVLHU5cb+eztPGczf6cjuTdwve5ZIEfgXqH4e57An1D1AKf8CZ3kYrQRqYA==
+  dependencies:
+    call-bind "^1.0.2"
+    has-tostringtag "^1.0.0"
+
 is-boolean-object@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-boolean-object/-/is-boolean-object-1.1.0.tgz#e2aaad3a3a8fca34c28f6eee135b156ed2587ff0"
@@ -9012,6 +9266,11 @@ is-callable@^1.1.3, is-callable@^1.1.4, is-callable@^1.2.3:
   resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.2.3.tgz#8b1e0500b73a1d76c70487636f368e519de8db8e"
   integrity sha512-J1DcMe8UYTBSrKezuIUTUwjXsho29693unXM2YhJUTR2txK/eG47bvNa/wipPFmZFgr/N6f1GA66dv0mEyTIyQ==
 
+is-callable@^1.1.5:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/is-callable/-/is-callable-1.2.4.tgz#47301d58dd0259407865547853df6d61fe471945"
+  integrity sha512-nsuwtxZfMX67Oryl9LCQ+upnC0Z0BgpwntpS89m1H/TLF0zNfzfLMV/9Wa/6MZsj0acpEjAO0KF1xT6ZdLl95w==
+
 is-ci@^1.0.10:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/is-ci/-/is-ci-1.2.1.tgz#e3779c8ee17fccf428488f6e281187f2e632841c"
@@ -9310,6 +9569,14 @@ is-regex@^1.0.4, is-regex@^1.1.2:
     call-bind "^1.0.2"
     has-symbols "^1.0.1"
 
+is-regex@^1.0.5, is-regex@^1.1.0, is-regex@^1.1.3:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/is-regex/-/is-regex-1.1.4.tgz#eef5663cd59fa4c0ae339505323df6854bb15958"
+  integrity sha512-kvRdxDsxZjhzUX07ZnLydzS1TU/TJlTUHHY4YLL87e37oUA49DfkLqgy+VjFocowy29cKvcSiu+kIv728jTTVg==
+  dependencies:
+    call-bind "^1.0.2"
+    has-tostringtag "^1.0.0"
+
 is-regexp@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-regexp/-/is-regexp-1.0.0.tgz#fd2d883545c46bac5a633e7b9a09e87fa2cb5069"
@@ -9345,6 +9612,18 @@ is-string@^1.0.5:
   resolved "https://registry.yarnpkg.com/is-string/-/is-string-1.0.5.tgz#40493ed198ef3ff477b8c7f92f644ec82a5cd3a6"
   integrity sha512-buY6VNRjhQMiF1qWDouloZlQbRhDPCebwxSjxMjxgemYT46YMd2NR0/H+fBhEfWX4A/w9TBJ+ol+okqJKFE6vQ==
 
+is-string@^1.0.6:
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/is-string/-/is-string-1.0.7.tgz#0dd12bf2006f255bb58f695110eff7491eebc0fd"
+  integrity sha512-tE2UXzivje6ofPW7l23cjDOMa09gb7xlAqG6jG5ej6uPV32TlWP3NKPigtaGeHNu9fohccRYvIiZMfOOnOYUtg==
+  dependencies:
+    has-tostringtag "^1.0.0"
+
+is-subset@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/is-subset/-/is-subset-0.1.1.tgz#8a59117d932de1de00f245fcdd39ce43f1e939a6"
+  integrity sha1-ilkRfZMt4d4A8kX83TnOQ/HpOaY=
+
 is-svg@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/is-svg/-/is-svg-3.0.0.tgz#9321dbd29c212e5ca99c4fa9794c714bcafa2f75"
@@ -10752,6 +11031,11 @@ lodash.debounce@^4.0.8:
   resolved "https://registry.yarnpkg.com/lodash.debounce/-/lodash.debounce-4.0.8.tgz#82d79bff30a67c4005ffd5e2515300ad9ca4d7af"
   integrity sha1-gteb/zCmfEAF/9XiUVMArZyk168=
 
+lodash.escape@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/lodash.escape/-/lodash.escape-4.0.1.tgz#c9044690c21e04294beaa517712fded1fa88de98"
+  integrity sha1-yQRGkMIeBClL6qUXcS/e0fqI3pg=
+
 lodash.escaperegexp@^4.1.2:
   version "4.1.2"
   resolved "https://registry.yarnpkg.com/lodash.escaperegexp/-/lodash.escaperegexp-4.1.2.tgz#64762c48618082518ac3df4ccf5d5886dae20347"
@@ -10772,6 +11056,11 @@ lodash.get@^4.4.2:
   resolved "https://registry.yarnpkg.com/lodash.get/-/lodash.get-4.4.2.tgz#2d177f652fa31e939b4438d5341499dfa3825e99"
   integrity sha1-LRd/ZS+jHpObRDjVNBSZ36OCXpk=
 
+lodash.isequal@^4.5.0:
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/lodash.isequal/-/lodash.isequal-4.5.0.tgz#415c4478f2bcc30120c22ce10ed3226f7d3e18e0"
+  integrity sha1-QVxEePK8wwEgwizhDtMib30+GOA=
+
 lodash.ismatch@^4.4.0:
   version "4.4.0"
   resolved "https://registry.yarnpkg.com/lodash.ismatch/-/lodash.ismatch-4.4.0.tgz#756cb5150ca3ba6f11085a78849645f188f85f37"
@@ -11555,6 +11844,11 @@ moment@^2.29.1:
   resolved "https://registry.yarnpkg.com/moment/-/moment-2.29.1.tgz#b2be769fa31940be9eeea6469c075e35006fa3d3"
   integrity sha512-kHmoybcPV8Sqy59DwNDY3Jefr64lK/by/da0ViFcuA4DH0vQg5Q6Ze5VimxkfQNSC+Mls/Kx53s7TjP1RhFEDQ==
 
+moo@^0.5.0:
+  version "0.5.1"
+  resolved "https://registry.yarnpkg.com/moo/-/moo-0.5.1.tgz#7aae7f384b9b09f620b6abf6f74ebbcd1b65dbc4"
+  integrity sha512-I1mnb5xn4fO80BH9BLcF0yLypy2UKl+Cb01Fu0hJRkJjlCRtxZMWkTdAtDd5ZqCOxtCkhmRwyI57vWT+1iZ67w==
+
 move-concurrently@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/move-concurrently/-/move-concurrently-1.0.1.tgz#be2c005fda32e0b29af1f05d7c4b33214c701f92"
@@ -11642,6 +11936,16 @@ natural-compare@^1.4.0:
   resolved "https://registry.yarnpkg.com/natural-compare/-/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"
   integrity sha1-Sr6/7tdUHywnrPspvbvRXI1bpPc=
 
+nearley@^2.7.10:
+  version "2.20.1"
+  resolved "https://registry.yarnpkg.com/nearley/-/nearley-2.20.1.tgz#246cd33eff0d012faf197ff6774d7ac78acdd474"
+  integrity sha512-+Mc8UaAebFzgV+KpI5n7DasuuQCHA89dmwm7JXw3TV43ukfNQ9DnBH3Mdb2g/I4Fdxc26pwimBWvjIw0UAILSQ==
+  dependencies:
+    commander "^2.19.0"
+    moo "^0.5.0"
+    railroad-diagrams "^1.0.0"
+    randexp "0.4.6"
+
 negotiator@0.6.2:
   version "0.6.2"
   resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.2.tgz#feacf7ccf525a77ae9634436a64883ffeca346fb"
@@ -12122,6 +12426,13 @@ nth-check@^1.0.2:
   dependencies:
     boolbase "~1.0.0"
 
+nth-check@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/nth-check/-/nth-check-2.0.0.tgz#1bb4f6dac70072fc313e8c9cd1417b5074c0a125"
+  integrity sha512-i4sc/Kj8htBrAiH1viZ0TgU8Y5XqCaV/FziYK6TBczxmeKm3AEFWqqF3195yKudrarqy7Zu80Ra5dobFjn9X/Q==
+  dependencies:
+    boolbase "^1.0.0"
+
 num2fraction@^1.2.2:
   version "1.2.2"
   resolved "https://registry.yarnpkg.com/num2fraction/-/num2fraction-1.2.2.tgz#6f682b6a027a4e9ddfa4564cd2589d1d4e669ede"
@@ -12192,12 +12503,17 @@ object-hash@^2.0.1:
   resolved "https://registry.yarnpkg.com/object-hash/-/object-hash-2.1.1.tgz#9447d0279b4fcf80cff3259bf66a1dc73afabe09"
   integrity sha512-VOJmgmS+7wvXf8CjbQmimtCnEx3IAoLxI3fp2fbWehxrWBcAQFbk+vcwb6vzR0VZv/eNCJ/27j151ZTwqW/JeQ==
 
+object-inspect@^1.11.0, object-inspect@^1.7.0:
+  version "1.11.0"
+  resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-1.11.0.tgz#9dceb146cedd4148a0d9e51ab88d34cf509922b1"
+  integrity sha512-jp7ikS6Sd3GxQfZJPyH3cjcbJF6GZPClgdV+EFygjFLQ5FmW/dRUnTd9PQ9k0JhoNDabWFbpF1yCdSWCC6gexg==
+
 object-inspect@^1.9.0:
   version "1.9.0"
   resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-1.9.0.tgz#c90521d74e1127b67266ded3394ad6116986533a"
   integrity sha512-i3Bp9iTqwhaLZBxGkRfo5ZbE07BQRT7MGu8+nNgwW9ItGp1TzCTw2DLEoWwjClxBjOFI/hWljTAmYGCEwmtnOw==
 
-object-is@^1.0.1:
+object-is@^1.0.1, object-is@^1.0.2, object-is@^1.1.2:
   version "1.1.5"
   resolved "https://registry.yarnpkg.com/object-is/-/object-is-1.1.5.tgz#b9deeaa5fc7f1846a0faecdceec138e5778f53ac"
   integrity sha512-3cyDsyHgtmi7I7DfSSI2LDp6SK2lwvtbg0p0R1e0RvTqF5ceGx+K2dfSjm1bKDMVCFEDAQvy+o8c6a7VujOddw==
@@ -12237,7 +12553,16 @@ object.entries@^1.1.0, object.entries@^1.1.1, object.entries@^1.1.3:
     es-abstract "^1.18.0-next.1"
     has "^1.0.3"
 
-object.fromentries@^2.0.2, object.fromentries@^2.0.4:
+object.entries@^1.1.2:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/object.entries/-/object.entries-1.1.4.tgz#43ccf9a50bc5fd5b649d45ab1a579f24e088cafd"
+  integrity sha512-h4LWKWE+wKQGhtMjZEBud7uLGhqyLwj8fpHOarZhD2uY3C9cRtk57VQ89ke3moByLXMedqs3XCHzyb4AmA2DjA==
+  dependencies:
+    call-bind "^1.0.2"
+    define-properties "^1.1.3"
+    es-abstract "^1.18.2"
+
+object.fromentries@^2.0.2, object.fromentries@^2.0.3, object.fromentries@^2.0.4:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/object.fromentries/-/object.fromentries-2.0.4.tgz#26e1ba5c4571c5c6f0890cef4473066456a120b8"
   integrity sha512-EsFBshs5RUUpQEY1D4q/m59kMfz4YJvxuNCJcv/jWwOJr34EaVnG11ZrZa0UHB3wnzV1wx8m58T4hQL8IuNXlQ==
@@ -12273,6 +12598,15 @@ object.values@^1.1.0, object.values@^1.1.1, object.values@^1.1.3:
     es-abstract "^1.18.0-next.2"
     has "^1.0.3"
 
+object.values@^1.1.2:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/object.values/-/object.values-1.1.4.tgz#0d273762833e816b693a637d30073e7051535b30"
+  integrity sha512-TnGo7j4XSnKQoK3MfvkzqKCi0nVe/D9I9IjwTNYdb/fxYHpjrluHVOgw0AF6jrRFGMPHdfuidR09tIDiIvnaSg==
+  dependencies:
+    call-bind "^1.0.2"
+    define-properties "^1.1.3"
+    es-abstract "^1.18.2"
+
 obuf@^1.0.0, obuf@^1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/obuf/-/obuf-1.1.2.tgz#09bea3343d41859ebd446292d11c9d4db619084e"
@@ -12740,6 +13074,13 @@ parse-json@^5.0.0:
     json-parse-even-better-errors "^2.3.0"
     lines-and-columns "^1.1.6"
 
+parse5-htmlparser2-tree-adapter@^6.0.1:
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/parse5-htmlparser2-tree-adapter/-/parse5-htmlparser2-tree-adapter-6.0.1.tgz#2cdf9ad823321140370d4dbf5d3e92c7c8ddc6e6"
+  integrity sha512-qPuWvbLgvDGilKc5BoicRovlT4MtYT6JfJyBOMDsKoiT+GiuP5qyrPCnR9HcPECIJJmZh5jRndyNThnhhb/vlA==
+  dependencies:
+    parse5 "^6.0.1"
+
 parse5@4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/parse5/-/parse5-4.0.0.tgz#6d78656e3da8d78b4ec0b906f7c08ef1dfe3f608"
@@ -12750,6 +13091,11 @@ parse5@5.1.0:
   resolved "https://registry.yarnpkg.com/parse5/-/parse5-5.1.0.tgz#c59341c9723f414c452975564c7c00a68d58acd2"
   integrity sha512-fxNG2sQjHvlVAYmzBZS9YlDp6PTSSDwa98vkD4QgVDDCAo84z5X1t5XyJQ62ImdLXx5NdIIfihey6xpum9/gRQ==
 
+parse5@^6.0.1:
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/parse5/-/parse5-6.0.1.tgz#e1a1c085c569b3dc08321184f19a39cc27f7c30b"
+  integrity sha512-Ofn/CTFzRGTTxwpNEs9PP93gXShHcTq255nzRYSKe8AkVpZY7e1fpmTfOyoIvjP5HG7Z2ZM7VS9PPhQGW2pOpw==
+
 parseurl@~1.3.2, parseurl@~1.3.3:
   version "1.3.3"
   resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.3.tgz#9da19e7bee8d12dff0513ed5b76957793bc2e8d4"
@@ -13802,6 +14148,15 @@ promzard@^0.3.0:
   dependencies:
     read "1"
 
+prop-types-exact@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/prop-types-exact/-/prop-types-exact-1.2.0.tgz#825d6be46094663848237e3925a98c6e944e9869"
+  integrity sha512-K+Tk3Kd9V0odiXFP9fwDHUYRyvK3Nun3GVyPapSIs5OBkITAm15W0CPFD/YKTkMUAbc0b9CUwRQp2ybiBIq+eA==
+  dependencies:
+    has "^1.0.3"
+    object.assign "^4.1.0"
+    reflect.ownkeys "^0.2.0"
+
 prop-types@15.7.2, prop-types@^15.5.8, prop-types@^15.6.1, prop-types@^15.6.2, prop-types@^15.7.2:
   version "15.7.2"
   resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.7.2.tgz#52c41e75b8c87e72b9d9360e0206b99dcbffa6c5"
@@ -13994,11 +14349,24 @@ raf@^3.3.0, raf@^3.4.1:
   dependencies:
     performance-now "^2.1.0"
 
+railroad-diagrams@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/railroad-diagrams/-/railroad-diagrams-1.0.0.tgz#eb7e6267548ddedfb899c1b90e57374559cddb7e"
+  integrity sha1-635iZ1SN3t+4mcG5Dlc3RVnN234=
+
 ramda@^0.27.1, ramda@~0.27.1:
   version "0.27.1"
   resolved "https://registry.yarnpkg.com/ramda/-/ramda-0.27.1.tgz#66fc2df3ef873874ffc2da6aa8984658abacf5c9"
   integrity sha512-PgIdVpn5y5Yns8vqb8FzBUEYn98V3xcPgawAkkgj0YJ0qDsnHCiNmZYfOGMgOvoB0eWFLpYbhxUR3mxfDIMvpw==
 
+randexp@0.4.6:
+  version "0.4.6"
+  resolved "https://registry.yarnpkg.com/randexp/-/randexp-0.4.6.tgz#e986ad5e5e31dae13ddd6f7b3019aa7c87f60ca3"
+  integrity sha512-80WNmd9DA0tmZrw9qQa62GPPWfuXJknrmVmLcxvq4uZBdYqb1wYoKTmnlGUchvVWe0XiLupYkBoXVOxz3C8DYQ==
+  dependencies:
+    discontinuous-range "1.0.0"
+    ret "~0.1.10"
+
 randombytes@^2.0.0, randombytes@^2.0.1, randombytes@^2.0.5, randombytes@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/randombytes/-/randombytes-2.1.0.tgz#df6f84372f0270dc65cdf6291349ab7a473d4f2a"
@@ -14180,7 +14548,7 @@ react-icons@^3.8.0:
   dependencies:
     camelcase "^5.0.0"
 
-react-is@^16.12.0, react-is@^16.7.0, react-is@^16.8.1, react-is@^16.8.4:
+react-is@^16.12.0, react-is@^16.13.1, react-is@^16.7.0, react-is@^16.8.1, react-is@^16.8.4, react-is@^16.8.6:
   version "16.13.1"
   resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.13.1.tgz#789729a4dc36de2999dc156dd6c1d9c18cea56a4"
   integrity sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ==
@@ -14335,6 +14703,16 @@ react-styleguidist@^10.6.2:
     webpack-dev-server "^3.9.0"
     webpack-merge "^4.2.2"
 
+react-test-renderer@^16.0.0-0:
+  version "16.14.0"
+  resolved "https://registry.yarnpkg.com/react-test-renderer/-/react-test-renderer-16.14.0.tgz#e98360087348e260c56d4fe2315e970480c228ae"
+  integrity sha512-L8yPjqPE5CZO6rKsKXRO/rVPiaCOy0tQQJbC+UjPNlobl5mad59lvPjwFsQHTvL03caVDIVr9x9/OSgDe6I5Eg==
+  dependencies:
+    object-assign "^4.1.1"
+    prop-types "^15.6.2"
+    react-is "^16.8.6"
+    scheduler "^0.19.1"
+
 react-transition-group@^4.4.0:
   version "4.4.1"
   resolved "https://registry.yarnpkg.com/react-transition-group/-/react-transition-group-4.4.1.tgz#63868f9325a38ea5ee9535d828327f85773345c9"
@@ -14568,6 +14946,11 @@ redeyed@~2.1.0:
   dependencies:
     esprima "~4.0.0"
 
+reflect.ownkeys@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/reflect.ownkeys/-/reflect.ownkeys-0.2.0.tgz#749aceec7f3fdf8b63f927a04809e90c5c0b3460"
+  integrity sha1-dJrO7H8/34tj+SegSAnpDFwLNGA=
+
 regenerate-unicode-properties@^8.2.0:
   version "8.2.0"
   resolved "https://registry.yarnpkg.com/regenerate-unicode-properties/-/regenerate-unicode-properties-8.2.0.tgz#e5de7111d655e7ba60c057dbe9ff37c87e65cdec"
@@ -15048,6 +15431,14 @@ ripemd160@^2.0.0, ripemd160@^2.0.1:
     hash-base "^3.0.0"
     inherits "^2.0.1"
 
+rst-selector-parser@^2.2.3:
+  version "2.2.3"
+  resolved "https://registry.yarnpkg.com/rst-selector-parser/-/rst-selector-parser-2.2.3.tgz#81b230ea2fcc6066c89e3472de794285d9b03d91"
+  integrity sha1-gbIw6i/MYGbInjRy3nlChdmwPZE=
+  dependencies:
+    lodash.flattendeep "^4.4.0"
+    nearley "^2.7.10"
+
 rsvp@^4.8.4:
   version "4.8.5"
   resolved "https://registry.yarnpkg.com/rsvp/-/rsvp-4.8.5.tgz#c8f155311d167f68f21e168df71ec5b083113734"
@@ -15157,6 +15548,14 @@ scheduler@^0.17.0:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
 
+scheduler@^0.19.1:
+  version "0.19.1"
+  resolved "https://registry.yarnpkg.com/scheduler/-/scheduler-0.19.1.tgz#4f3e2ed2c1a7d65681f4c854fa8c5a1ccb40f196"
+  integrity sha512-n/zwRWRYSUj0/3g/otKDRPMh6qv2SYMWNq85IEa8iZyAv8od9zDYpGSnpBEjNgcMNq6Scbu5KfIPxNF72R/2EA==
+  dependencies:
+    loose-envify "^1.1.0"
+    object-assign "^4.1.1"
+
 schema-utils@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-1.0.0.tgz#0b79a93204d7b600d4b2850d1f66c2a34951c770"
@@ -15236,7 +15635,7 @@ semver-regex@^2.0.0:
   resolved "https://registry.yarnpkg.com/semver-regex/-/semver-regex-2.0.0.tgz#a93c2c5844539a770233379107b38c7b4ac9d338"
   integrity sha512-mUdIBBvdn0PLOeP3TEkMH7HHeUP3GjsXCwKarjv/kGmUFOYg1VqEemKhoQpWMu6X2I8kHeuVdGibLGkVK+/5Qw==
 
-"semver@2 || 3 || 4 || 5", "semver@2.x || 3.x || 4 || 5", "semver@^2.3.0 || 3.x || 4 || 5", semver@^5.0.3, semver@^5.1.0, semver@^5.4.1, semver@^5.5, semver@^5.5.0, semver@^5.5.1, semver@^5.6.0, semver@^5.7.1:
+"semver@2 || 3 || 4 || 5", "semver@2.x || 3.x || 4 || 5", "semver@^2.3.0 || 3.x || 4 || 5", semver@^5.0.3, semver@^5.1.0, semver@^5.4.1, semver@^5.5, semver@^5.5.0, semver@^5.5.1, semver@^5.6.0, semver@^5.7.0, semver@^5.7.1:
   version "5.7.1"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.1.tgz#a954f931aeba508d307bbf069eff0c01c96116f7"
   integrity sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==
@@ -16044,6 +16443,15 @@ string.prototype.matchall@^4.0.2, string.prototype.matchall@^4.0.4:
     regexp.prototype.flags "^1.3.1"
     side-channel "^1.0.4"
 
+string.prototype.trim@^1.2.1:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/string.prototype.trim/-/string.prototype.trim-1.2.4.tgz#6014689baf5efaf106ad031a5fa45157666ed1bd"
+  integrity sha512-hWCk/iqf7lp0/AgTF7/ddO1IWtSNPASjlzCicV5irAVdE1grjsneK26YG6xACMBEdCvO8fUST0UzDMh/2Qy+9Q==
+  dependencies:
+    call-bind "^1.0.2"
+    define-properties "^1.1.3"
+    es-abstract "^1.18.0-next.2"
+
 string.prototype.trimend@^1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/string.prototype.trimend/-/string.prototype.trimend-1.0.4.tgz#e75ae90c2942c63504686c18b287b4a0b1a45f80"
@@ -16715,6 +17123,11 @@ tslib@^2.0.1, tslib@^2.0.3:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.1.0.tgz#da60860f1c2ecaa5703ab7d39bc05b6bf988b97a"
   integrity sha512-hcVC3wYEziELGGmEEXue7D75zbwIIVUMWAVbHItGPx0ziyXxrOMQx4rQEVEV45Ut/1IotuEvwqPopzIOkDMf0A==
 
+tslib@^2.2.0:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.3.1.tgz#e8a335add5ceae51aa261d32a490158ef042ef01"
+  integrity sha512-77EbyPPpMz+FRFRuAFlWMtmgUWGe9UOG2Z25NqCwiIjRhOf5iKGuzSe5P2w1laq+FkRy4p+PCuVkJSGkzTEKVw==
+
 tsutils@^3.17.1:
   version "3.21.0"
   resolved "https://registry.yarnpkg.com/tsutils/-/tsutils-3.21.0.tgz#b48717d394cea6c1e096983eed58e9d61715b623"
@@ -16853,7 +17266,7 @@ umd@^3.0.0:
   resolved "https://registry.yarnpkg.com/umd/-/umd-3.0.3.tgz#aa9fe653c42b9097678489c01000acb69f0b26cf"
   integrity sha512-4IcGSufhFshvLNcMCV80UnQVlZ5pMOC8mvNPForqwA4+lzYQuetTESLDQkeLmihq8bRcnpbQa48Wb8Lh16/xow==
 
-unbox-primitive@^1.0.0:
+unbox-primitive@^1.0.0, unbox-primitive@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/unbox-primitive/-/unbox-primitive-1.0.1.tgz#085e215625ec3162574dc8859abee78a59b14471"
   integrity sha512-tZU/3NqK3dA5gpE1KtyiJUrEB0lxnGkMFHptJ7q6ewdZ8s12QrODwNbhIJStmJkd1QDXa1NRA8aF2A1zk/Ypyw==