diff --git a/.eslintignore b/.eslintignore
index 404abb221..64be67e70 100644
--- a/.eslintignore
+++ b/.eslintignore
@@ -1 +1,2 @@
 coverage/
+lib/
diff --git a/.eslintrc.js b/.eslintrc.js
index b8a9e25ba..e2f7ddd4f 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -1,6 +1,6 @@
 'use strict';
 
-const { globals } = require('./index').environments.globals;
+const { globals } = require('./').environments.globals;
 
 module.exports = {
   extends: [
@@ -32,6 +32,8 @@ module.exports = {
       },
     ],
     'prettier/prettier': 'error',
+    'node/no-unsupported-features/es-syntax': 'off',
+    'node/no-unsupported-features/es-builtins': 'error',
   },
   overrides: [
     {
diff --git a/.gitignore b/.gitignore
index 25fbf5a1c..f41745234 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 node_modules/
 coverage/
+lib/
diff --git a/babel.config.js b/babel.config.js
new file mode 100644
index 000000000..87920c859
--- /dev/null
+++ b/babel.config.js
@@ -0,0 +1,5 @@
+'use strict';
+
+module.exports = {
+  presets: [['@babel/preset-env', { targets: { node: 6 } }]],
+};
diff --git a/package.json b/package.json
index f837bcdd4..82c8d1665 100644
--- a/package.json
+++ b/package.json
@@ -16,10 +16,10 @@
   },
   "files": [
     "docs/",
-    "rules/",
-    "processors/",
-    "index.js"
+    "src/",
+    "lib/"
   ],
+  "main": "lib/",
   "engines": {
     "node": ">=6"
   },
@@ -27,13 +27,20 @@
     "eslint": ">=5"
   },
   "scripts": {
+    "postinstall": "yarn build",
     "lint": "eslint . --ignore-pattern '!.eslintrc.js'",
     "prettylint": "prettylint docs/**/*.md README.md package.json",
-    "test": "jest"
+    "prepublishOnly": "yarn build",
+    "test": "jest",
+    "build": "babel src --out-dir lib"
   },
   "devDependencies": {
+    "@babel/cli": "^7.4.4",
+    "@babel/core": "^7.4.4",
+    "@babel/preset-env": "^7.4.4",
     "@commitlint/cli": "^7.0.0",
     "@commitlint/config-conventional": "^7.0.1",
+    "babel-jest": "^24.8.0",
     "eslint": "^5.1.0",
     "eslint-config-prettier": "^4.1.0",
     "eslint-plugin-eslint-plugin": "^2.0.0",
@@ -49,7 +56,7 @@
   "prettier": {
     "proseWrap": "always",
     "singleQuote": true,
-    "trailingComma": "es5"
+    "trailingComma": "all"
   },
   "lint-staged": {
     "*.js": [
@@ -73,13 +80,19 @@
     "projects": [
       {
         "displayName": "test",
-        "testEnvironment": "node"
+        "testEnvironment": "node",
+        "testPathIgnorePatterns": [
+          "<rootDir>/lib/.*"
+        ]
       },
       {
         "displayName": "lint",
         "runner": "jest-runner-eslint",
         "testMatch": [
           "<rootDir>/**/*.js"
+        ],
+        "testPathIgnorePatterns": [
+          "<rootDir>/lib/.*"
         ]
       }
     ]
diff --git a/__tests__/rules.test.js b/src/__tests__/rules.test.js
similarity index 82%
rename from __tests__/rules.test.js
rename to src/__tests__/rules.test.js
index 63f7f2d0a..687352c36 100644
--- a/__tests__/rules.test.js
+++ b/src/__tests__/rules.test.js
@@ -2,7 +2,7 @@
 
 const fs = require('fs');
 const path = require('path');
-const { rules } = require('../index');
+const { rules } = require('../');
 
 const ruleNames = Object.keys(rules);
 const numberOfRules = 31;
@@ -10,11 +10,11 @@ const numberOfRules = 31;
 describe('rules', () => {
   it('should have a corresponding doc for each rule', () => {
     ruleNames.forEach(rule => {
-      const docPath = path.resolve(__dirname, '../docs/rules', `${rule}.md`);
+      const docPath = path.resolve(__dirname, '../../docs/rules', `${rule}.md`);
 
       if (!fs.existsSync(docPath)) {
         throw new Error(
-          `Could not find documentation file for rule "${rule}" in path "${docPath}"`
+          `Could not find documentation file for rule "${rule}" in path "${docPath}"`,
         );
       }
     });
@@ -24,7 +24,7 @@ describe('rules', () => {
     const { length } = ruleNames;
     if (length !== numberOfRules) {
       throw new Error(
-        `There should be exactly ${numberOfRules} rules, but there are ${length}. If you've added a new rule, please update this number.`
+        `There should be exactly ${numberOfRules} rules, but there are ${length}. If you've added a new rule, please update this number.`,
       );
     }
   });
diff --git a/index.js b/src/index.js
similarity index 99%
rename from index.js
rename to src/index.js
index 2f9da28f1..53e7afd5b 100644
--- a/index.js
+++ b/src/index.js
@@ -9,7 +9,7 @@ const rules = fs
   .map(rule => path.basename(rule, '.js'))
   .reduce(
     (acc, curr) => Object.assign(acc, { [curr]: require(`./rules/${curr}`) }),
-    {}
+    {},
   );
 
 const snapshotProcessor = require('./processors/snapshot-processor');
diff --git a/processors/__tests__/snapshot-processor.test.js b/src/processors/__tests__/snapshot-processor.test.js
similarity index 100%
rename from processors/__tests__/snapshot-processor.test.js
rename to src/processors/__tests__/snapshot-processor.test.js
diff --git a/processors/snapshot-processor.js b/src/processors/snapshot-processor.js
similarity index 84%
rename from processors/snapshot-processor.js
rename to src/processors/snapshot-processor.js
index 6f4ad3f4e..8e0ce9df1 100644
--- a/processors/snapshot-processor.js
+++ b/src/processors/snapshot-processor.js
@@ -6,7 +6,7 @@ const preprocess = source => [source];
 const postprocess = messages =>
   messages[0].filter(
     // snapshot files should only be linted with snapshot specific rules
-    message => message.ruleId === 'jest/no-large-snapshots'
+    message => message.ruleId === 'jest/no-large-snapshots',
   );
 
 module.exports = {
diff --git a/rules/__tests__/__snapshots__/no-large-snapshots.test.js.snap b/src/rules/__tests__/__snapshots__/no-large-snapshots.test.js.snap
similarity index 100%
rename from rules/__tests__/__snapshots__/no-large-snapshots.test.js.snap
rename to src/rules/__tests__/__snapshots__/no-large-snapshots.test.js.snap
diff --git a/rules/__tests__/consistent-test-it.test.js b/src/rules/__tests__/consistent-test-it.test.js
similarity index 99%
rename from rules/__tests__/consistent-test-it.test.js
rename to src/rules/__tests__/consistent-test-it.test.js
index b0192e1ba..21ef99f61 100644
--- a/rules/__tests__/consistent-test-it.test.js
+++ b/src/rules/__tests__/consistent-test-it.test.js
@@ -285,7 +285,7 @@ ruleTester.run(
         output: 'test("foo")',
       },
     ],
-  }
+  },
 );
 
 ruleTester.run('consistent-test-it with fn=it and withinDescribe=it ', rule, {
diff --git a/rules/__tests__/expect-expect.test.js b/src/rules/__tests__/expect-expect.test.js
similarity index 100%
rename from rules/__tests__/expect-expect.test.js
rename to src/rules/__tests__/expect-expect.test.js
diff --git a/rules/__tests__/lowercase-name.test.js b/src/rules/__tests__/lowercase-name.test.js
similarity index 100%
rename from rules/__tests__/lowercase-name.test.js
rename to src/rules/__tests__/lowercase-name.test.js
diff --git a/rules/__tests__/no-alias-methods.test.js b/src/rules/__tests__/no-alias-methods.test.js
similarity index 100%
rename from rules/__tests__/no-alias-methods.test.js
rename to src/rules/__tests__/no-alias-methods.test.js
diff --git a/rules/__tests__/no-disabled-tests.test.js b/src/rules/__tests__/no-disabled-tests.test.js
similarity index 100%
rename from rules/__tests__/no-disabled-tests.test.js
rename to src/rules/__tests__/no-disabled-tests.test.js
diff --git a/rules/__tests__/no-empty-title.js b/src/rules/__tests__/no-empty-title.js
similarity index 100%
rename from rules/__tests__/no-empty-title.js
rename to src/rules/__tests__/no-empty-title.js
diff --git a/rules/__tests__/no-focused-tests.test.js b/src/rules/__tests__/no-focused-tests.test.js
similarity index 100%
rename from rules/__tests__/no-focused-tests.test.js
rename to src/rules/__tests__/no-focused-tests.test.js
diff --git a/rules/__tests__/no-hooks.test.js b/src/rules/__tests__/no-hooks.test.js
similarity index 100%
rename from rules/__tests__/no-hooks.test.js
rename to src/rules/__tests__/no-hooks.test.js
diff --git a/rules/__tests__/no-identical-title.test.js b/src/rules/__tests__/no-identical-title.test.js
similarity index 99%
rename from rules/__tests__/no-identical-title.test.js
rename to src/rules/__tests__/no-identical-title.test.js
index 9099ad683..678757dd5 100644
--- a/rules/__tests__/no-identical-title.test.js
+++ b/src/rules/__tests__/no-identical-title.test.js
@@ -23,10 +23,10 @@ ruleTester.run('no-identical-title', rule, {
     ['it("it1", function() {});', 'it("it2", function() {});'].join('\n'),
     ['it.only("it1", function() {});', 'it("it2", function() {});'].join('\n'),
     ['it.only("it1", function() {});', 'it.only("it2", function() {});'].join(
-      '\n'
+      '\n',
     ),
     ['describe("title", function() {});', 'it("title", function() {});'].join(
-      '\n'
+      '\n',
     ),
     [
       'describe("describe1", function() {',
@@ -136,7 +136,7 @@ ruleTester.run('no-identical-title', rule, {
     },
     {
       code: ['it("it1", function() {});', 'it("it1", function() {});'].join(
-        '\n'
+        '\n',
       ),
       errors: [
         {
@@ -163,7 +163,7 @@ ruleTester.run('no-identical-title', rule, {
     },
     {
       code: ['fit("it1", function() {});', 'it("it1", function() {});'].join(
-        '\n'
+        '\n',
       ),
       errors: [
         {
diff --git a/rules/__tests__/no-jasmine-globals.test.js b/src/rules/__tests__/no-jasmine-globals.test.js
similarity index 100%
rename from rules/__tests__/no-jasmine-globals.test.js
rename to src/rules/__tests__/no-jasmine-globals.test.js
diff --git a/rules/__tests__/no-jest-import.test.js b/src/rules/__tests__/no-jest-import.test.js
similarity index 100%
rename from rules/__tests__/no-jest-import.test.js
rename to src/rules/__tests__/no-jest-import.test.js
diff --git a/rules/__tests__/no-large-snapshots.test.js b/src/rules/__tests__/no-large-snapshots.test.js
similarity index 98%
rename from rules/__tests__/no-large-snapshots.test.js
rename to src/rules/__tests__/no-large-snapshots.test.js
index 61a2fe78e..27389e7b4 100644
--- a/rules/__tests__/no-large-snapshots.test.js
+++ b/src/rules/__tests__/no-large-snapshots.test.js
@@ -15,13 +15,13 @@ ruleTester.run('no-large-snapshots', rule, {
     {
       filename: 'mock.js',
       code: `expect(something).toMatchInlineSnapshot(\`\n${'line\n'.repeat(
-        2
+        2,
       )}\`);`,
     },
     {
       filename: 'mock.js',
       code: `expect(something).toThrowErrorMatchingInlineSnapshot(\`\n${'line\n'.repeat(
-        2
+        2,
       )}\`);`,
     },
   ],
@@ -29,7 +29,7 @@ ruleTester.run('no-large-snapshots', rule, {
     {
       filename: 'mock.js',
       code: `expect(something).toMatchInlineSnapshot(\`\n${'line\n'.repeat(
-        50
+        50,
       )}\`);`,
       errors: [
         {
@@ -41,7 +41,7 @@ ruleTester.run('no-large-snapshots', rule, {
     {
       filename: 'mock.js',
       code: `expect(something).toThrowErrorMatchingInlineSnapshot(\`\n${'line\n'.repeat(
-        50
+        50,
       )}\`);`,
       errors: [
         {
diff --git a/rules/__tests__/no-mocks-import.test.js b/src/rules/__tests__/no-mocks-import.test.js
similarity index 100%
rename from rules/__tests__/no-mocks-import.test.js
rename to src/rules/__tests__/no-mocks-import.test.js
diff --git a/rules/__tests__/no-test-callback.test.js b/src/rules/__tests__/no-test-callback.test.js
similarity index 100%
rename from rules/__tests__/no-test-callback.test.js
rename to src/rules/__tests__/no-test-callback.test.js
diff --git a/rules/__tests__/no-test-prefixes.test.js b/src/rules/__tests__/no-test-prefixes.test.js
similarity index 100%
rename from rules/__tests__/no-test-prefixes.test.js
rename to src/rules/__tests__/no-test-prefixes.test.js
diff --git a/rules/__tests__/no-test-return-statement.test.js b/src/rules/__tests__/no-test-return-statement.test.js
similarity index 100%
rename from rules/__tests__/no-test-return-statement.test.js
rename to src/rules/__tests__/no-test-return-statement.test.js
diff --git a/rules/__tests__/no-truthy-falsy.test.js b/src/rules/__tests__/no-truthy-falsy.test.js
similarity index 100%
rename from rules/__tests__/no-truthy-falsy.test.js
rename to src/rules/__tests__/no-truthy-falsy.test.js
diff --git a/rules/__tests__/prefer-called-with.js b/src/rules/__tests__/prefer-called-with.js
similarity index 100%
rename from rules/__tests__/prefer-called-with.js
rename to src/rules/__tests__/prefer-called-with.js
diff --git a/rules/__tests__/prefer-expect-assertions.test.js b/src/rules/__tests__/prefer-expect-assertions.test.js
similarity index 100%
rename from rules/__tests__/prefer-expect-assertions.test.js
rename to src/rules/__tests__/prefer-expect-assertions.test.js
diff --git a/rules/__tests__/prefer-inline-snapshots.test.js b/src/rules/__tests__/prefer-inline-snapshots.test.js
similarity index 100%
rename from rules/__tests__/prefer-inline-snapshots.test.js
rename to src/rules/__tests__/prefer-inline-snapshots.test.js
diff --git a/rules/__tests__/prefer-spy-on.test.js b/src/rules/__tests__/prefer-spy-on.test.js
similarity index 100%
rename from rules/__tests__/prefer-spy-on.test.js
rename to src/rules/__tests__/prefer-spy-on.test.js
diff --git a/rules/__tests__/prefer-strict-equal.test.js b/src/rules/__tests__/prefer-strict-equal.test.js
similarity index 100%
rename from rules/__tests__/prefer-strict-equal.test.js
rename to src/rules/__tests__/prefer-strict-equal.test.js
diff --git a/rules/__tests__/prefer-to-be-null.test.js b/src/rules/__tests__/prefer-to-be-null.test.js
similarity index 100%
rename from rules/__tests__/prefer-to-be-null.test.js
rename to src/rules/__tests__/prefer-to-be-null.test.js
diff --git a/rules/__tests__/prefer-to-be-undefined.test.js b/src/rules/__tests__/prefer-to-be-undefined.test.js
similarity index 100%
rename from rules/__tests__/prefer-to-be-undefined.test.js
rename to src/rules/__tests__/prefer-to-be-undefined.test.js
diff --git a/rules/__tests__/prefer-to-contain.test.js b/src/rules/__tests__/prefer-to-contain.test.js
similarity index 100%
rename from rules/__tests__/prefer-to-contain.test.js
rename to src/rules/__tests__/prefer-to-contain.test.js
diff --git a/rules/__tests__/prefer-to-have-length.test.js b/src/rules/__tests__/prefer-to-have-length.test.js
similarity index 100%
rename from rules/__tests__/prefer-to-have-length.test.js
rename to src/rules/__tests__/prefer-to-have-length.test.js
diff --git a/rules/__tests__/prefer-todo.test.js b/src/rules/__tests__/prefer-todo.test.js
similarity index 100%
rename from rules/__tests__/prefer-todo.test.js
rename to src/rules/__tests__/prefer-todo.test.js
diff --git a/rules/__tests__/require-tothrow-message.test.js b/src/rules/__tests__/require-tothrow-message.test.js
similarity index 100%
rename from rules/__tests__/require-tothrow-message.test.js
rename to src/rules/__tests__/require-tothrow-message.test.js
diff --git a/rules/__tests__/valid-describe.test.js b/src/rules/__tests__/valid-describe.test.js
similarity index 100%
rename from rules/__tests__/valid-describe.test.js
rename to src/rules/__tests__/valid-describe.test.js
diff --git a/rules/__tests__/valid-expect-in-promise.test.js b/src/rules/__tests__/valid-expect-in-promise.test.js
similarity index 100%
rename from rules/__tests__/valid-expect-in-promise.test.js
rename to src/rules/__tests__/valid-expect-in-promise.test.js
diff --git a/rules/__tests__/valid-expect.test.js b/src/rules/__tests__/valid-expect.test.js
similarity index 100%
rename from rules/__tests__/valid-expect.test.js
rename to src/rules/__tests__/valid-expect.test.js
diff --git a/rules/consistent-test-it.js b/src/rules/consistent-test-it.js
similarity index 97%
rename from rules/consistent-test-it.js
rename to src/rules/consistent-test-it.js
index 5f19de47c..74d6ccee5 100644
--- a/rules/consistent-test-it.js
+++ b/src/rules/consistent-test-it.js
@@ -69,7 +69,7 @@ module.exports = {
           nodeName.indexOf(testKeywordWithinDescribe) === -1
         ) {
           const oppositeTestKeyword = getOppositeTestKeyword(
-            testKeywordWithinDescribe
+            testKeywordWithinDescribe,
           );
 
           context.report({
@@ -85,7 +85,7 @@ module.exports = {
 
               const fixedNodeName = getPreferredNodeName(
                 nodeName,
-                testKeywordWithinDescribe
+                testKeywordWithinDescribe,
               );
               return [fixer.replaceText(nodeToReplace, fixedNodeName)];
             },
diff --git a/rules/expect-expect.js b/src/rules/expect-expect.js
similarity index 97%
rename from rules/expect-expect.js
rename to src/rules/expect-expect.js
index bb6f02e40..acc22c344 100644
--- a/rules/expect-expect.js
+++ b/src/rules/expect-expect.js
@@ -30,7 +30,7 @@ module.exports = {
     const assertFunctionNames = new Set(
       context.options[0] && context.options[0].assertFunctionNames
         ? context.options[0].assertFunctionNames
-        : ['expect']
+        : ['expect'],
     );
 
     return {
@@ -54,7 +54,7 @@ module.exports = {
           context.report({
             message: 'Test has no assertions',
             node,
-          })
+          }),
         );
       },
     };
diff --git a/rules/lowercase-name.js b/src/rules/lowercase-name.js
similarity index 100%
rename from rules/lowercase-name.js
rename to src/rules/lowercase-name.js
diff --git a/rules/no-alias-methods.js b/src/rules/no-alias-methods.js
similarity index 97%
rename from rules/no-alias-methods.js
rename to src/rules/no-alias-methods.js
index b69101034..fea1d89fc 100644
--- a/rules/no-alias-methods.js
+++ b/src/rules/no-alias-methods.js
@@ -47,7 +47,7 @@ module.exports = {
 
         // Check if the method used matches any of ours
         const methodItem = methodNames.find(
-          item => item[1] === targetNode.name
+          item => item[1] === targetNode.name,
         );
 
         if (methodItem) {
diff --git a/rules/no-disabled-tests.js b/src/rules/no-disabled-tests.js
similarity index 100%
rename from rules/no-disabled-tests.js
rename to src/rules/no-disabled-tests.js
diff --git a/rules/no-empty-title.js b/src/rules/no-empty-title.js
similarity index 100%
rename from rules/no-empty-title.js
rename to src/rules/no-empty-title.js
diff --git a/rules/no-focused-tests.js b/src/rules/no-focused-tests.js
similarity index 100%
rename from rules/no-focused-tests.js
rename to src/rules/no-focused-tests.js
diff --git a/rules/no-hooks.js b/src/rules/no-hooks.js
similarity index 100%
rename from rules/no-hooks.js
rename to src/rules/no-hooks.js
diff --git a/rules/no-identical-title.js b/src/rules/no-identical-title.js
similarity index 99%
rename from rules/no-identical-title.js
rename to src/rules/no-identical-title.js
index 001a0fdb9..32fd82c69 100644
--- a/rules/no-identical-title.js
+++ b/src/rules/no-identical-title.js
@@ -75,7 +75,7 @@ module.exports = {
           context,
           currentLayer.describeTitles,
           node,
-          title
+          title,
         );
       },
       'CallExpression:exit'(node) {
diff --git a/rules/no-jasmine-globals.js b/src/rules/no-jasmine-globals.js
similarity index 99%
rename from rules/no-jasmine-globals.js
rename to src/rules/no-jasmine-globals.js
index 31c2410d2..fdbc96ccd 100644
--- a/rules/no-jasmine-globals.js
+++ b/src/rules/no-jasmine-globals.js
@@ -127,7 +127,7 @@ module.exports = {
                   return [
                     fixer.replaceText(
                       node.parent,
-                      `jest.setTimeout(${node.parent.right.value})`
+                      `jest.setTimeout(${node.parent.right.value})`,
                     ),
                   ];
                 },
diff --git a/rules/no-jest-import.js b/src/rules/no-jest-import.js
similarity index 100%
rename from rules/no-jest-import.js
rename to src/rules/no-jest-import.js
diff --git a/rules/no-large-snapshots.js b/src/rules/no-large-snapshots.js
similarity index 100%
rename from rules/no-large-snapshots.js
rename to src/rules/no-large-snapshots.js
diff --git a/rules/no-mocks-import.js b/src/rules/no-mocks-import.js
similarity index 100%
rename from rules/no-mocks-import.js
rename to src/rules/no-mocks-import.js
diff --git a/rules/no-test-callback.js b/src/rules/no-test-callback.js
similarity index 100%
rename from rules/no-test-callback.js
rename to src/rules/no-test-callback.js
diff --git a/rules/no-test-prefixes.js b/src/rules/no-test-prefixes.js
similarity index 100%
rename from rules/no-test-prefixes.js
rename to src/rules/no-test-prefixes.js
diff --git a/rules/no-test-return-statement.js b/src/rules/no-test-return-statement.js
similarity index 100%
rename from rules/no-test-return-statement.js
rename to src/rules/no-test-return-statement.js
diff --git a/rules/no-truthy-falsy.js b/src/rules/no-truthy-falsy.js
similarity index 100%
rename from rules/no-truthy-falsy.js
rename to src/rules/no-truthy-falsy.js
diff --git a/rules/prefer-called-with.js b/src/rules/prefer-called-with.js
similarity index 100%
rename from rules/prefer-called-with.js
rename to src/rules/prefer-called-with.js
diff --git a/rules/prefer-expect-assertions.js b/src/rules/prefer-expect-assertions.js
similarity index 100%
rename from rules/prefer-expect-assertions.js
rename to src/rules/prefer-expect-assertions.js
diff --git a/rules/prefer-inline-snapshots.js b/src/rules/prefer-inline-snapshots.js
similarity index 91%
rename from rules/prefer-inline-snapshots.js
rename to src/rules/prefer-inline-snapshots.js
index 911bc362d..457889345 100644
--- a/rules/prefer-inline-snapshots.js
+++ b/src/rules/prefer-inline-snapshots.js
@@ -19,7 +19,7 @@ module.exports = {
               return [
                 fixer.replaceText(
                   node.callee.property,
-                  'toMatchInlineSnapshot'
+                  'toMatchInlineSnapshot',
                 ),
               ];
             },
@@ -32,7 +32,7 @@ module.exports = {
               return [
                 fixer.replaceText(
                   node.callee.property,
-                  'toThrowErrorMatchingInlineSnapshot'
+                  'toThrowErrorMatchingInlineSnapshot',
                 ),
               ];
             },
diff --git a/rules/prefer-spy-on.js b/src/rules/prefer-spy-on.js
similarity index 94%
rename from rules/prefer-spy-on.js
rename to src/rules/prefer-spy-on.js
index ad00a413f..53b082d55 100644
--- a/rules/prefer-spy-on.js
+++ b/src/rules/prefer-spy-on.js
@@ -54,11 +54,11 @@ module.exports = {
               fixer.insertTextBefore(node.left, `jest.spyOn(`),
               fixer.replaceTextRange(
                 [node.left.object.range[1], node.left.property.range[0]],
-                `, ${leftPropQuote}`
+                `, ${leftPropQuote}`,
               ),
               fixer.replaceTextRange(
                 [node.left.property.range[1], jestFnCall.range[1]],
-                `${leftPropQuote})${mockImplementation}`
+                `${leftPropQuote})${mockImplementation}`,
               ),
             ];
           },
diff --git a/rules/prefer-strict-equal.js b/src/rules/prefer-strict-equal.js
similarity index 100%
rename from rules/prefer-strict-equal.js
rename to src/rules/prefer-strict-equal.js
diff --git a/rules/prefer-to-be-null.js b/src/rules/prefer-to-be-null.js
similarity index 100%
rename from rules/prefer-to-be-null.js
rename to src/rules/prefer-to-be-null.js
diff --git a/rules/prefer-to-be-undefined.js b/src/rules/prefer-to-be-undefined.js
similarity index 100%
rename from rules/prefer-to-be-undefined.js
rename to src/rules/prefer-to-be-undefined.js
diff --git a/rules/prefer-to-contain.js b/src/rules/prefer-to-contain.js
similarity index 96%
rename from rules/prefer-to-contain.js
rename to src/rules/prefer-to-contain.js
index f79c36199..8e2ab2c7c 100644
--- a/rules/prefer-to-contain.js
+++ b/src/rules/prefer-to-contain.js
@@ -39,7 +39,7 @@ const getNegationFixes = (node, sourceCode, fixer) => {
   const negationPropertyDot = sourceCode.getFirstTokenBetween(
     node.parent.object,
     node.parent.property,
-    token => token.value === '.'
+    token => token.value === '.',
   );
   const toContainFunc =
     isEqualityNegation(node) && argument(node.parent).value
@@ -63,7 +63,7 @@ const getCommonFixes = (node, sourceCode, fixer) => {
   const propertyDot = sourceCode.getFirstTokenBetween(
     includesCaller.object,
     includesCaller.property,
-    token => token.value === '.'
+    token => token.value === '.',
   );
 
   const closingParenthesis = sourceCode.getTokenAfter(containArg);
@@ -114,8 +114,8 @@ module.exports = {
               fixArr.push(
                 fixer.replaceText(
                   argument(node),
-                  sourceCode.getText(containArg)
-                )
+                  sourceCode.getText(containArg),
+                ),
               );
               return fixArr;
             },
diff --git a/rules/prefer-to-have-length.js b/src/rules/prefer-to-have-length.js
similarity index 96%
rename from rules/prefer-to-have-length.js
rename to src/rules/prefer-to-have-length.js
index db69d00ae..102fae000 100644
--- a/rules/prefer-to-have-length.js
+++ b/src/rules/prefer-to-have-length.js
@@ -35,7 +35,7 @@ module.exports = {
             .getFirstTokenBetween(
               node.arguments[0].object,
               node.arguments[0].property,
-              token => token.value === '.'
+              token => token.value === '.',
             );
           context.report({
             fix(fixer) {
diff --git a/rules/prefer-todo.js b/src/rules/prefer-todo.js
similarity index 100%
rename from rules/prefer-todo.js
rename to src/rules/prefer-todo.js
diff --git a/rules/require-tothrow-message.js b/src/rules/require-tothrow-message.js
similarity index 100%
rename from rules/require-tothrow-message.js
rename to src/rules/require-tothrow-message.js
diff --git a/rules/util.js b/src/rules/util.js
similarity index 99%
rename from rules/util.js
rename to src/rules/util.js
index b7bf6469a..0a6aad50f 100644
--- a/rules/util.js
+++ b/src/rules/util.js
@@ -1,7 +1,7 @@
 'use strict';
 
 const path = require('path');
-const { version } = require('../package.json');
+const { version } = require('../../package.json');
 
 const REPO_URL = 'https://github.com/jest-community/eslint-plugin-jest';
 
diff --git a/rules/valid-describe.js b/src/rules/valid-describe.js
similarity index 100%
rename from rules/valid-describe.js
rename to src/rules/valid-describe.js
diff --git a/rules/valid-expect-in-promise.js b/src/rules/valid-expect-in-promise.js
similarity index 98%
rename from rules/valid-expect-in-promise.js
rename to src/rules/valid-expect-in-promise.js
index effd162f4..02e7d6c27 100644
--- a/rules/valid-expect-in-promise.js
+++ b/src/rules/valid-expect-in-promise.js
@@ -98,7 +98,7 @@ const verifyExpectWithReturn = (
   promiseCallbacks,
   node,
   context,
-  testFunctionBody
+  testFunctionBody,
 ) => {
   promiseCallbacks.some(promiseCallback => {
     if (promiseCallback && isFunction(promiseCallback)) {
@@ -156,7 +156,7 @@ module.exports = {
               [fulfillmentCallback, rejectionCallback],
               node,
               context,
-              testFunctionBody
+              testFunctionBody,
             );
           }
         }
diff --git a/rules/valid-expect.js b/src/rules/valid-expect.js
similarity index 100%
rename from rules/valid-expect.js
rename to src/rules/valid-expect.js
diff --git a/yarn.lock b/yarn.lock
index cbb4c0b43..7d6dd31f7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,6 +2,23 @@
 # yarn lockfile v1
 
 
+"@babel/cli@^7.4.4":
+  version "7.4.4"
+  resolved "https://registry.yarnpkg.com/@babel/cli/-/cli-7.4.4.tgz#5454bb7112f29026a4069d8e6f0e1794e651966c"
+  integrity sha512-XGr5YjQSjgTa6OzQZY57FAJsdeVSAKR/u/KA5exWIz66IKtv/zXtHy+fIZcMry/EgYegwuHE7vzGnrFhjdIAsQ==
+  dependencies:
+    commander "^2.8.1"
+    convert-source-map "^1.1.0"
+    fs-readdir-recursive "^1.1.0"
+    glob "^7.0.0"
+    lodash "^4.17.11"
+    mkdirp "^0.5.1"
+    output-file-sync "^2.0.0"
+    slash "^2.0.0"
+    source-map "^0.5.0"
+  optionalDependencies:
+    chokidar "^2.0.4"
+
 "@babel/code-frame@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.0.0.tgz#06e2ab19bdb535385559aabb5ba59729482800f8"
@@ -9,7 +26,7 @@
   dependencies:
     "@babel/highlight" "^7.0.0"
 
-"@babel/core@^7.1.0":
+"@babel/core@^7.1.0", "@babel/core@^7.4.4":
   version "7.4.4"
   resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.4.4.tgz#84055750b05fcd50f9915a826b44fa347a825250"
   integrity sha512-lQgGX3FPRgbz2SKmhMtYgJvVzGZrmjaF4apZ2bLwofAKiSjxU0drPh4S/VasyYXwaTs+A1gvQ45BN8SQJzHsQQ==
@@ -40,6 +57,47 @@
     source-map "^0.5.0"
     trim-right "^1.0.1"
 
+"@babel/helper-annotate-as-pure@^7.0.0":
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-annotate-as-pure/-/helper-annotate-as-pure-7.0.0.tgz#323d39dd0b50e10c7c06ca7d7638e6864d8c5c32"
+  integrity sha512-3UYcJUj9kvSLbLbUIfQTqzcy5VX7GRZ/CCDrnOaZorFFM01aXp1+GJwuFGV4NDDoAS+mOUyHcO6UD/RfqOks3Q==
+  dependencies:
+    "@babel/types" "^7.0.0"
+
+"@babel/helper-builder-binary-assignment-operator-visitor@^7.1.0":
+  version "7.1.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-builder-binary-assignment-operator-visitor/-/helper-builder-binary-assignment-operator-visitor-7.1.0.tgz#6b69628dfe4087798e0c4ed98e3d4a6b2fbd2f5f"
+  integrity sha512-qNSR4jrmJ8M1VMM9tibvyRAHXQs2PmaksQF7c1CGJNipfe3D8p+wgNwgso/P2A2r2mdgBWAXljNWR0QRZAMW8w==
+  dependencies:
+    "@babel/helper-explode-assignable-expression" "^7.1.0"
+    "@babel/types" "^7.0.0"
+
+"@babel/helper-call-delegate@^7.4.4":
+  version "7.4.4"
+  resolved "https://registry.yarnpkg.com/@babel/helper-call-delegate/-/helper-call-delegate-7.4.4.tgz#87c1f8ca19ad552a736a7a27b1c1fcf8b1ff1f43"
+  integrity sha512-l79boDFJ8S1c5hvQvG+rc+wHw6IuH7YldmRKsYtpbawsxURu/paVy57FZMomGK22/JckepaikOkY0MoAmdyOlQ==
+  dependencies:
+    "@babel/helper-hoist-variables" "^7.4.4"
+    "@babel/traverse" "^7.4.4"
+    "@babel/types" "^7.4.4"
+
+"@babel/helper-define-map@^7.4.4":
+  version "7.4.4"
+  resolved "https://registry.yarnpkg.com/@babel/helper-define-map/-/helper-define-map-7.4.4.tgz#6969d1f570b46bdc900d1eba8e5d59c48ba2c12a"
+  integrity sha512-IX3Ln8gLhZpSuqHJSnTNBWGDE9kdkTEWl21A/K7PQ00tseBwbqCHTvNLHSBd9M0R5rER4h5Rsvj9vw0R5SieBg==
+  dependencies:
+    "@babel/helper-function-name" "^7.1.0"
+    "@babel/types" "^7.4.4"
+    lodash "^4.17.11"
+
+"@babel/helper-explode-assignable-expression@^7.1.0":
+  version "7.1.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-explode-assignable-expression/-/helper-explode-assignable-expression-7.1.0.tgz#537fa13f6f1674df745b0c00ec8fe4e99681c8f6"
+  integrity sha512-NRQpfHrJ1msCHtKjbzs9YcMmJZOg6mQMmGRB+hbamEdG5PNpaSm95275VD92DvJKuyl0s2sFiDmMZ+EnnvufqA==
+  dependencies:
+    "@babel/traverse" "^7.1.0"
+    "@babel/types" "^7.0.0"
+
 "@babel/helper-function-name@^7.1.0":
   version "7.1.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-function-name/-/helper-function-name-7.1.0.tgz#a0ceb01685f73355d4360c1247f582bfafc8ff53"
@@ -56,11 +114,87 @@
   dependencies:
     "@babel/types" "^7.0.0"
 
+"@babel/helper-hoist-variables@^7.4.4":
+  version "7.4.4"
+  resolved "https://registry.yarnpkg.com/@babel/helper-hoist-variables/-/helper-hoist-variables-7.4.4.tgz#0298b5f25c8c09c53102d52ac4a98f773eb2850a"
+  integrity sha512-VYk2/H/BnYbZDDg39hr3t2kKyifAm1W6zHRfhx8jGjIHpQEBv9dry7oQ2f3+J703TLu69nYdxsovl0XYfcnK4w==
+  dependencies:
+    "@babel/types" "^7.4.4"
+
+"@babel/helper-member-expression-to-functions@^7.0.0":
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-member-expression-to-functions/-/helper-member-expression-to-functions-7.0.0.tgz#8cd14b0a0df7ff00f009e7d7a436945f47c7a16f"
+  integrity sha512-avo+lm/QmZlv27Zsi0xEor2fKcqWG56D5ae9dzklpIaY7cQMK5N8VSpaNVPPagiqmy7LrEjK1IWdGMOqPu5csg==
+  dependencies:
+    "@babel/types" "^7.0.0"
+
+"@babel/helper-module-imports@^7.0.0":
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-module-imports/-/helper-module-imports-7.0.0.tgz#96081b7111e486da4d2cd971ad1a4fe216cc2e3d"
+  integrity sha512-aP/hlLq01DWNEiDg4Jn23i+CXxW/owM4WpDLFUbpjxe4NS3BhLVZQ5i7E0ZrxuQ/vwekIeciyamgB1UIYxxM6A==
+  dependencies:
+    "@babel/types" "^7.0.0"
+
+"@babel/helper-module-transforms@^7.1.0", "@babel/helper-module-transforms@^7.4.4":
+  version "7.4.4"
+  resolved "https://registry.yarnpkg.com/@babel/helper-module-transforms/-/helper-module-transforms-7.4.4.tgz#96115ea42a2f139e619e98ed46df6019b94414b8"
+  integrity sha512-3Z1yp8TVQf+B4ynN7WoHPKS8EkdTbgAEy0nU0rs/1Kw4pDgmvYH3rz3aI11KgxKCba2cn7N+tqzV1mY2HMN96w==
+  dependencies:
+    "@babel/helper-module-imports" "^7.0.0"
+    "@babel/helper-simple-access" "^7.1.0"
+    "@babel/helper-split-export-declaration" "^7.4.4"
+    "@babel/template" "^7.4.4"
+    "@babel/types" "^7.4.4"
+    lodash "^4.17.11"
+
+"@babel/helper-optimise-call-expression@^7.0.0":
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-optimise-call-expression/-/helper-optimise-call-expression-7.0.0.tgz#a2920c5702b073c15de51106200aa8cad20497d5"
+  integrity sha512-u8nd9NQePYNQV8iPWu/pLLYBqZBa4ZaY1YWRFMuxrid94wKI1QNt67NEZ7GAe5Kc/0LLScbim05xZFWkAdrj9g==
+  dependencies:
+    "@babel/types" "^7.0.0"
+
 "@babel/helper-plugin-utils@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-plugin-utils/-/helper-plugin-utils-7.0.0.tgz#bbb3fbee98661c569034237cc03967ba99b4f250"
   integrity sha512-CYAOUCARwExnEixLdB6sDm2dIJ/YgEAKDM1MOeMeZu9Ld/bDgVo8aiWrXwcY7OBh+1Ea2uUcVRcxKk0GJvW7QA==
 
+"@babel/helper-regex@^7.0.0", "@babel/helper-regex@^7.4.4":
+  version "7.4.4"
+  resolved "https://registry.yarnpkg.com/@babel/helper-regex/-/helper-regex-7.4.4.tgz#a47e02bc91fb259d2e6727c2a30013e3ac13c4a2"
+  integrity sha512-Y5nuB/kESmR3tKjU8Nkn1wMGEx1tjJX076HBMeL3XLQCu6vA/YRzuTW0bbb+qRnXvQGn+d6Rx953yffl8vEy7Q==
+  dependencies:
+    lodash "^4.17.11"
+
+"@babel/helper-remap-async-to-generator@^7.1.0":
+  version "7.1.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-remap-async-to-generator/-/helper-remap-async-to-generator-7.1.0.tgz#361d80821b6f38da75bd3f0785ece20a88c5fe7f"
+  integrity sha512-3fOK0L+Fdlg8S5al8u/hWE6vhufGSn0bN09xm2LXMy//REAF8kDCrYoOBKYmA8m5Nom+sV9LyLCwrFynA8/slg==
+  dependencies:
+    "@babel/helper-annotate-as-pure" "^7.0.0"
+    "@babel/helper-wrap-function" "^7.1.0"
+    "@babel/template" "^7.1.0"
+    "@babel/traverse" "^7.1.0"
+    "@babel/types" "^7.0.0"
+
+"@babel/helper-replace-supers@^7.1.0", "@babel/helper-replace-supers@^7.4.4":
+  version "7.4.4"
+  resolved "https://registry.yarnpkg.com/@babel/helper-replace-supers/-/helper-replace-supers-7.4.4.tgz#aee41783ebe4f2d3ab3ae775e1cc6f1a90cefa27"
+  integrity sha512-04xGEnd+s01nY1l15EuMS1rfKktNF+1CkKmHoErDppjAAZL+IUBZpzT748x262HF7fibaQPhbvWUl5HeSt1EXg==
+  dependencies:
+    "@babel/helper-member-expression-to-functions" "^7.0.0"
+    "@babel/helper-optimise-call-expression" "^7.0.0"
+    "@babel/traverse" "^7.4.4"
+    "@babel/types" "^7.4.4"
+
+"@babel/helper-simple-access@^7.1.0":
+  version "7.1.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-simple-access/-/helper-simple-access-7.1.0.tgz#65eeb954c8c245beaa4e859da6188f39d71e585c"
+  integrity sha512-Vk+78hNjRbsiu49zAPALxTb+JUQCz1aolpd8osOF16BGnLtseD21nbHgLPGUwrXEurZgiCOUmvs3ExTu4F5x6w==
+  dependencies:
+    "@babel/template" "^7.1.0"
+    "@babel/types" "^7.0.0"
+
 "@babel/helper-split-export-declaration@^7.4.4":
   version "7.4.4"
   resolved "https://registry.yarnpkg.com/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.4.4.tgz#ff94894a340be78f53f06af038b205c49d993677"
@@ -68,6 +202,16 @@
   dependencies:
     "@babel/types" "^7.4.4"
 
+"@babel/helper-wrap-function@^7.1.0":
+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/@babel/helper-wrap-function/-/helper-wrap-function-7.2.0.tgz#c4e0012445769e2815b55296ead43a958549f6fa"
+  integrity sha512-o9fP1BZLLSrYlxYEYyl2aS+Flun5gtjTIG8iln+XuEzQTs0PLagAGSXUcqruJwD5fM48jzIEggCKpIfWTcR7pQ==
+  dependencies:
+    "@babel/helper-function-name" "^7.1.0"
+    "@babel/template" "^7.1.0"
+    "@babel/traverse" "^7.1.0"
+    "@babel/types" "^7.2.0"
+
 "@babel/helpers@^7.4.4":
   version "7.4.4"
   resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.4.4.tgz#868b0ef59c1dd4e78744562d5ce1b59c89f2f2a5"
@@ -91,13 +235,373 @@
   resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.4.4.tgz#5977129431b8fe33471730d255ce8654ae1250b6"
   integrity sha512-5pCS4mOsL+ANsFZGdvNLybx4wtqAZJ0MJjMHxvzI3bvIsz6sQvzW8XX92EYIkiPtIvcfG3Aj+Ir5VNyjnZhP7w==
 
-"@babel/plugin-syntax-object-rest-spread@^7.0.0":
+"@babel/plugin-proposal-async-generator-functions@^7.2.0":
+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-async-generator-functions/-/plugin-proposal-async-generator-functions-7.2.0.tgz#b289b306669dce4ad20b0252889a15768c9d417e"
+  integrity sha512-+Dfo/SCQqrwx48ptLVGLdE39YtWRuKc/Y9I5Fy0P1DDBB9lsAHpjcEJQt+4IifuSOSTLBKJObJqMvaO1pIE8LQ==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.0.0"
+    "@babel/helper-remap-async-to-generator" "^7.1.0"
+    "@babel/plugin-syntax-async-generators" "^7.2.0"
+
+"@babel/plugin-proposal-json-strings@^7.2.0":
+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-json-strings/-/plugin-proposal-json-strings-7.2.0.tgz#568ecc446c6148ae6b267f02551130891e29f317"
+  integrity sha512-MAFV1CA/YVmYwZG0fBQyXhmj0BHCB5egZHCKWIFVv/XCxAeVGIHfos3SwDck4LvCllENIAg7xMKOG5kH0dzyUg==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.0.0"
+    "@babel/plugin-syntax-json-strings" "^7.2.0"
+
+"@babel/plugin-proposal-object-rest-spread@^7.4.4":
+  version "7.4.4"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-object-rest-spread/-/plugin-proposal-object-rest-spread-7.4.4.tgz#1ef173fcf24b3e2df92a678f027673b55e7e3005"
+  integrity sha512-dMBG6cSPBbHeEBdFXeQ2QLc5gUpg4Vkaz8octD4aoW/ISO+jBOcsuxYL7bsb5WSu8RLP6boxrBIALEHgoHtO9g==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.0.0"
+    "@babel/plugin-syntax-object-rest-spread" "^7.2.0"
+
+"@babel/plugin-proposal-optional-catch-binding@^7.2.0":
+  version "7.2.0"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-optional-catch-binding/-/plugin-proposal-optional-catch-binding-7.2.0.tgz#135d81edb68a081e55e56ec48541ece8065c38f5"
+  integrity sha512-mgYj3jCcxug6KUcX4OBoOJz3CMrwRfQELPQ5560F70YQUBZB7uac9fqaWamKR1iWUzGiK2t0ygzjTScZnVz75g==
+  dependencies:
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+"@babel/preset-env@^7.4.4":
+  version "7.4.4"
+  resolved "https://registry.yarnpkg.com/@babel/preset-env/-/preset-env-7.4.4.tgz#b6f6825bfb27b3e1394ca3de4f926482722c1d6f"
+  integrity sha512-FU1H+ACWqZZqfw1x2G1tgtSSYSfxJLkpaUQL37CenULFARDo+h4xJoVHzRoHbK+85ViLciuI7ME4WTIhFRBBlw==
+  dependencies:
+    "@babel/helper-module-imports" "^7.0.0"
+    "@babel/helper-plugin-utils" "^7.0.0"
+    "@babel/plugin-proposal-async-generator-functions" "^7.2.0"
+    "@babel/plugin-proposal-json-strings" "^7.2.0"
+    "@babel/plugin-proposal-object-rest-spread" "^7.4.4"
+    "@babel/plugin-proposal-optional-catch-binding" "^7.2.0"
+    "@babel/plugin-proposal-unicode-property-regex" "^7.4.4"
+    "@babel/plugin-syntax-async-generators" "^7.2.0"
+    "@babel/plugin-syntax-json-strings" "^7.2.0"
+    "@babel/plugin-syntax-object-rest-spread" "^7.2.0"
+    "@babel/plugin-syntax-optional-catch-binding" "^7.2.0"
+    "@babel/plugin-transform-arrow-functions" "^7.2.0"
+    "@babel/plugin-transform-async-to-generator" "^7.4.4"
+    "@babel/plugin-transform-block-scoped-functions" "^7.2.0"
+    "@babel/plugin-transform-block-scoping" "^7.4.4"
+    "@babel/plugin-transform-classes" "^7.4.4"
+    "@babel/plugin-transform-computed-properties" "^7.2.0"
+    "@babel/plugin-transform-destructuring" "^7.4.4"
+    "@babel/plugin-transform-dotall-regex" "^7.4.4"
+    "@babel/plugin-transform-duplicate-keys" "^7.2.0"
+    "@babel/plugin-transform-exponentiation-operator" "^7.2.0"
+    "@babel/plugin-transform-for-of" "^7.4.4"
+    "@babel/plugin-transform-function-name" "^7.4.4"
+    "@babel/plugin-transform-literals" "^7.2.0"
+    "@babel/plugin-transform-member-expression-literals" "^7.2.0"
+    "@babel/plugin-transform-modules-amd" "^7.2.0"
+    "@babel/plugin-transform-modules-commonjs" "^7.4.4"
+    "@babel/plugin-transform-modules-systemjs" "^7.4.4"
+    "@babel/plugin-transform-modules-umd" "^7.2.0"
+    "@babel/plugin-transform-named-capturing-groups-regex" "^7.4.4"
+    "@babel/plugin-transform-new-target" "^7.4.4"
+    "@babel/plugin-transform-object-super" "^7.2.0"
+    "@babel/plugin-transform-parameters" "^7.4.4"
+    "@babel/plugin-transform-property-literals" "^7.2.0"
+    "@babel/plugin-transform-regenerator" "^7.4.4"
+    "@babel/plugin-transform-reserved-words" "^7.2.0"
+    "@babel/plugin-transform-shorthand-properties" "^7.2.0"
+    "@babel/plugin-transform-spread" "^7.2.0"
+    "@babel/plugin-transform-sticky-regex" "^7.2.0"
+    "@babel/plugin-transform-template-literals" "^7.4.4"
+    "@babel/plugin-transform-typeof-symbol" "^7.2.0"
+    "@babel/plugin-transform-unicode-regex" "^7.4.4"
+    "@babel/types" "^7.4.4"
+    browserslist "^4.5.2"
+    core-js-compat "^3.0.0"
+    invariant "^2.2.2"
+    js-levenshtein "^1.1.3"
+    semver "^5.5.0"
+
 "@babel/runtime@^7.0.0":
   version "7.4.4"
   resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.4.4.tgz#dc2e34982eb236803aa27a07fea6857af1b9171d"
@@ -129,7 +633,7 @@
     globals "^11.1.0"
     lodash "^4.17.11"
 
-"@babel/types@^7.0.0", "@babel/types@^7.3.0", "@babel/types@^7.4.0", "@babel/types@^7.4.4":
+"@babel/types@^7.0.0", "@babel/types@^7.2.0", "@babel/types@^7.3.0", "@babel/types@^7.4.0", "@babel/types@^7.4.4":
   version "7.4.4"
   resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.4.4.tgz#8db9e9a629bb7c29370009b4b779ed93fe57d5f0"
   integrity sha512-dOllgYdnEFOebhkKCjzSVFqw/PmmB8pH6RGOWkY4GsboQNd47b1fBThBSwlHAq9alF9vc1M3+6oqR47R50L0tQ==
@@ -702,6 +1206,11 @@ astral-regex@^1.0.0:
   resolved "https://registry.yarnpkg.com/astral-regex/-/astral-regex-1.0.0.tgz#6c8c3fb827dd43ee3918f27b82782ab7658a6fd9"
   integrity sha512-+Ryf6g3BKoRc7jfp7ad8tM4TtMiaWvbF/1/sQcZPkkS7ag3D5nMBCe2UfOTONtAkaG0tO0ij3C5Lwmf1EiyjHg==
 
+async-each@^1.0.1:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/async-each/-/async-each-1.0.3.tgz#b727dbf87d7651602f06f4d4ac387f47d91b0cbf"
+  integrity sha512-z/WhQ5FPySLdvREByI2vZiTWwCnF0moMJ1hK9YQwDTHKh6I7/uSckMetoRGb5UBZPC1z0jlw+n/XCgjeH7y1AQ==
+
 async-limiter@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/async-limiter/-/async-limiter-1.0.0.tgz#78faed8c3d074ab81f22b4e985d79e8738f720f8"
@@ -806,6 +1315,11 @@ bcrypt-pbkdf@^1.0.0:
   dependencies:
     tweetnacl "^0.14.3"
 
+binary-extensions@^1.0.0:
+  version "1.13.1"
+  resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-1.13.1.tgz#598afe54755b2868a5330d2aff9d4ebb53209b65"
+  integrity sha512-Un7MIEDdUC5gNpcGDV97op1Ywk748MpHcFTHoYs6qnj1Z3j7I53VG3nwZhKzoBZmbdRNnb6WRdFlwl7tSDuZGw==
+
 brace-expansion@^1.1.7:
   version "1.1.11"
   resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
@@ -814,7 +1328,7 @@ brace-expansion@^1.1.7:
     balanced-match "^1.0.0"
     concat-map "0.0.1"
 
-braces@^2.3.1:
+braces@^2.3.1, braces@^2.3.2:
   version "2.3.2"
   resolved "https://registry.yarnpkg.com/braces/-/braces-2.3.2.tgz#5979fd3f14cd531565e5fa2df1abfff1dfaee729"
   integrity sha512-aNdbnj9P8PjdXU4ybaWLK2IF3jc/EoDYbC7AazW6to3TRsfXxscC9UXOB5iDiEQrkyIbWp2SLQda4+QAa7nc3w==
@@ -842,6 +1356,15 @@ browser-resolve@^1.11.3:
   dependencies:
     resolve "1.1.7"
 
+browserslist@^4.5.2, browserslist@^4.5.4:
+  version "4.5.6"
+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.5.6.tgz#ea42e8581ca2513fa7f371d4dd66da763938163d"
+  integrity sha512-o/hPOtbU9oX507lIqon+UvPYqpx3mHc8cV3QemSBTXwkG8gSQSK6UKvXcE/DcleU3+A59XTUHyCvZ5qGy8xVAg==
+  dependencies:
+    caniuse-lite "^1.0.30000963"
+    electron-to-chromium "^1.3.127"
+    node-releases "^1.1.17"
+
 bser@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/bser/-/bser-2.0.0.tgz#9ac78d3ed5d915804fd87acb158bc797147a1719"
@@ -925,6 +1448,11 @@ camelcase@^5.0.0:
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-5.3.1.tgz#e3c9b31569e106811df242f715725a1f4c494320"
   integrity sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==
 
+caniuse-lite@^1.0.30000963:
+  version "1.0.30000967"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30000967.tgz#a5039577806fccee80a04aaafb2c0890b1ee2f73"
+  integrity sha512-rUBIbap+VJfxTzrM4akJ00lkvVb5/n5v3EGXfWzSH5zT8aJmGzjA8HWhJ4U6kCpzxozUSnB+yvAYDRPY6mRpgQ==
+
 capture-exit@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/capture-exit/-/capture-exit-2.0.0.tgz#fb953bfaebeb781f62898239dabb426d08a509a4"
@@ -971,6 +1499,25 @@ chardet@^0.7.0:
   resolved "https://registry.yarnpkg.com/chardet/-/chardet-0.7.0.tgz#90094849f0937f2eedc2425d0d28a9e5f0cbad9e"
   integrity sha512-mT8iDcrh03qDGRRmoA2hmBJnxpllMR+0/0qlzjqZES6NdiWDcZkCNAk4rPFZ9Q85r27unkiNNg8ZOiwZXBHwcA==
 
+chokidar@^2.0.4:
+  version "2.1.5"
+  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-2.1.5.tgz#0ae8434d962281a5f56c72869e79cb6d9d86ad4d"
+  integrity sha512-i0TprVWp+Kj4WRPtInjexJ8Q+BqTE909VpH8xVhXrJkoc5QC8VO9TryGOqTr+2hljzc1sC62t22h5tZePodM/A==
+  dependencies:
+    anymatch "^2.0.0"
+    async-each "^1.0.1"
+    braces "^2.3.2"
+    glob-parent "^3.1.0"
+    inherits "^2.0.3"
+    is-binary-path "^1.0.0"
+    is-glob "^4.0.0"
+    normalize-path "^3.0.0"
+    path-is-absolute "^1.0.0"
+    readdirp "^2.2.1"
+    upath "^1.1.1"
+  optionalDependencies:
+    fsevents "^1.2.7"
+
 chownr@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.1.tgz#54726b8b8fff4df053c42187e801fb4412df1494"
@@ -1057,7 +1604,7 @@ combined-stream@^1.0.6, combined-stream@~1.0.6:
   dependencies:
     delayed-stream "~1.0.0"
 
-commander@^2.14.1, commander@^2.9.0, commander@~2.20.0:
+commander@^2.14.1, commander@^2.8.1, commander@^2.9.0, commander@~2.20.0:
   version "2.20.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.0.tgz#d58bb2b5c1ee8f87b0d340027e9e94e222c5a422"
   integrity sha512-7j2y+40w61zy6YC2iRNpUe/NwhNyoXrYpHMrSunaMG64nRnaf96zO/KMQR4OyN/UnE5KLyEBnKHd4aG3rskjpQ==
@@ -1118,6 +1665,26 @@ copy-descriptor@^0.1.0:
   resolved "https://registry.yarnpkg.com/copy-descriptor/-/copy-descriptor-0.1.1.tgz#676f6eb3c39997c2ee1ac3a924fd6124748f578d"
   integrity sha1-Z29us8OZl8LuGsOpJP1hJHSPV40=
 
+core-js-compat@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/core-js-compat/-/core-js-compat-3.0.1.tgz#bff73ba31ca8687431b9c88f78d3362646fb76f0"
+  integrity sha512-2pC3e+Ht/1/gD7Sim/sqzvRplMiRnFQVlPpDVaHtY9l7zZP7knamr3VRD6NyGfHd84MrDC0tAM9ulNxYMW0T3g==
+  dependencies:
+    browserslist "^4.5.4"
+    core-js "3.0.1"
+    core-js-pure "3.0.1"
+    semver "^6.0.0"
+
+core-js-pure@3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/core-js-pure/-/core-js-pure-3.0.1.tgz#37358fb0d024e6b86d443d794f4e37e949098cbe"
+  integrity sha512-mSxeQ6IghKW3MoyF4cz19GJ1cMm7761ON+WObSyLfTu/Jn3x7w4NwNFnrZxgl4MTSvYYepVLNuRtlB4loMwJ5g==
+
+core-js@3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.0.1.tgz#1343182634298f7f38622f95e73f54e48ddf4738"
+  integrity sha512-sco40rF+2KlE0ROMvydjkrVMMG1vYilP2ALoRXcYR4obqbYIuV3Bg+51GEDW+HF8n7NRA+iaA4qD0nD9lo9mew==
+
 core-js@^2.4.0, core-js@^2.5.0:
   version "2.6.5"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.5.tgz#44bc8d249e7fb2ff5d00e0341a7ffb94fbf67895"
@@ -1353,6 +1920,11 @@ ecc-jsbn@~0.1.1:
     jsbn "~0.1.0"
     safer-buffer "^2.1.0"
 
+electron-to-chromium@^1.3.127:
+  version "1.3.133"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.133.tgz#c47639c19b91feee3e22fad69f5556142007008c"
+  integrity sha512-lyoC8aoqbbDqsprb6aPdt9n3DpOZZzdz/T4IZKsR0/dkZIxnJVUjjcpOSwA66jPRIOyDAamCTAUqweU05kKNSg==
+
 elegant-spinner@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/elegant-spinner/-/elegant-spinner-1.0.1.tgz#db043521c95d7e303fd8f345bedc3349cfb0729e"
@@ -1815,6 +2387,11 @@ fs-minipass@^1.2.5:
   dependencies:
     minipass "^2.2.1"
 
+fs-readdir-recursive@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/fs-readdir-recursive/-/fs-readdir-recursive-1.1.0.tgz#e32fc030a2ccee44a6b5371308da54be0b397d27"
+  integrity sha512-GNanXlVr2pf02+sPN40XN8HG+ePaNcvM0q5mZBd668Obwb0yD5GiUbZOFgwn8kGMY6I3mdyDJzieUy3PTYyTRA==
+
 fs.realpath@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
@@ -1916,7 +2493,15 @@ git-raw-commits@^1.3.0:
     split2 "^2.0.0"
     through2 "^2.0.0"
 
-glob@^7.0.3, glob@^7.1.1, glob@^7.1.2, glob@^7.1.3:
+glob-parent@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-3.1.0.tgz#9e6af6299d8d3bd2bd40430832bd113df906c5ae"
+  integrity sha1-nmr2KZ2NO9K9QEMIMr0RPfkGxa4=
+  dependencies:
+    is-glob "^3.1.0"
+    path-dirname "^1.0.0"
+
+glob@^7.0.0, glob@^7.0.3, glob@^7.1.1, glob@^7.1.2, glob@^7.1.3:
   version "7.1.4"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.4.tgz#aa608a2f6c577ad357e1ae5a5c26d9a8d1969255"
   integrity sha512-hkLPepehmnKk41pUGm3sYxoFs/umurYfYJCerbXEyFIWcAzvpipAgVkBqqT9RBKMGjnq6kMuyYwha6csxbiM1A==
@@ -2160,7 +2745,7 @@ inflight@^1.0.4:
     once "^1.3.0"
     wrappy "1"
 
-inherits@2, inherits@~2.0.3:
+inherits@2, inherits@^2.0.3, inherits@~2.0.3:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
   integrity sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=
@@ -2189,7 +2774,7 @@ inquirer@^6.2.2:
     strip-ansi "^5.1.0"
     through "^2.3.6"
 
-invariant@^2.2.4:
+invariant@^2.2.2, invariant@^2.2.4:
   version "2.2.4"
   resolved "https://registry.yarnpkg.com/invariant/-/invariant-2.2.4.tgz#610f3c92c9359ce1db616e538008d23ff35158e6"
   integrity sha512-phJfQVBuaJM5raOpJjSfkiD6BpbCE4Ns//LaXl6wGYtUBY83nWS6Rf9tXm2e8VaK60JEjYldbPif/A2B1C2gNA==
@@ -2225,6 +2810,13 @@ is-arrayish@^0.2.1:
   resolved "https://registry.yarnpkg.com/is-arrayish/-/is-arrayish-0.2.1.tgz#77c99840527aa8ecb1a8ba697b80645a7a926a9d"
   integrity sha1-d8mYQFJ6qOyxqLppe4BkWnqSap0=
 
+is-binary-path@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-binary-path/-/is-binary-path-1.0.1.tgz#75f16642b480f187a711c814161fd3a4a7655898"
+  integrity sha1-dfFmQrSA8YenEcgUFh/TpKdlWJg=
+  dependencies:
+    binary-extensions "^1.0.0"
+
 is-buffer@^1.1.5:
   version "1.1.6"
   resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.6.tgz#efaa2ea9daa0d7ab2ea13a97b2b8ad51fefbe8be"
@@ -2296,7 +2888,7 @@ is-extendable@^1.0.1:
   dependencies:
     is-plain-object "^2.0.4"
 
-is-extglob@^2.1.1:
+is-extglob@^2.1.0, is-extglob@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/is-extglob/-/is-extglob-2.1.1.tgz#a88c02535791f02ed37c76a1b9ea9773c833f8c2"
   integrity sha1-qIwCU1eR8C7TfHahueqXc8gz+MI=
@@ -2325,6 +2917,13 @@ is-generator-fn@^2.0.0:
   resolved "https://registry.yarnpkg.com/is-generator-fn/-/is-generator-fn-2.1.0.tgz#7d140adc389aaf3011a8f2a2a4cfa6faadffb118"
   integrity sha512-cTIB4yPYL/Grw0EaSzASzg6bBy9gqCofvWN8okThAYIxKJZC+udlRAmGbM0XLeniEJSs8uEgHPGuHSe1XsOLSQ==
 
+is-glob@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-3.1.0.tgz#7ba5ae24217804ac70707b96922567486cc3e84a"
+  integrity sha1-e6WuJCF4BKxwcHuWkiVnSGzD6Eo=
+  dependencies:
+    is-extglob "^2.1.0"
+
 is-glob@^4.0.0:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-4.0.1.tgz#7567dbe9f2f5e2467bc77ab83c4a29482407a5dc"
@@ -2884,6 +3483,11 @@ jest@^24.0.0:
     import-local "^2.0.0"
     jest-cli "^24.8.0"
 
+js-levenshtein@^1.1.3:
+  version "1.1.6"
+  resolved "https://registry.yarnpkg.com/js-levenshtein/-/js-levenshtein-1.1.6.tgz#c6cee58eb3550372df8deb85fad5ce66ce01d59d"
+  integrity sha512-X2BB11YZtrRqY4EnQcLX5Rh373zbK4alC1FW7D7MBhL2gtcC17cTnr6DmfHZeS0s2rTHjUTMMHfG7gO8SSdw+g==
+
 "js-tokens@^3.0.0 || ^4.0.0", js-tokens@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
@@ -2939,6 +3543,11 @@ jsesc@^2.5.1:
   resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-2.5.2.tgz#80564d2e483dacf6e8ef209650a67df3f0c283a4"
   integrity sha512-OYu7XEzjkCQ3C5Ps3QIZsQfNpqoJyZZA99wd9aWd05NCtC5pWOkShK2mkL6HXQR6/Cy2lbNdPlZBpuQHXE63gA==
 
+jsesc@~0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/jsesc/-/jsesc-0.5.0.tgz#e7dee66e35d6fc16f710fe91d5cf69f70f08911d"
+  integrity sha1-597mbjXW/Bb3EP6R1c9p9w8IkR0=
+
 json-parse-better-errors@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/json-parse-better-errors/-/json-parse-better-errors-1.0.2.tgz#bb867cfb3450e69107c131d1c514bab3dc8bcaa9"
@@ -3537,6 +4146,13 @@ node-pre-gyp@^0.12.0:
     semver "^5.3.0"
     tar "^4"
 
+node-releases@^1.1.17:
+  version "1.1.18"
+  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-1.1.18.tgz#cc98fd75598a324a77188ebddf6650e9cbd8b1d5"
+  integrity sha512-/mnVgm6u/8OwlIsoyRXtTI0RfQcxZoAZbdwyXap0EeWwcOpDDymyCHM2/aR9XKmHXrvizHoPAOs0pcbiJ6RUaA==
+  dependencies:
+    semver "^5.3.0"
+
 nopt@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/nopt/-/nopt-4.0.1.tgz#d0d4685afd5415193c8c7505602d0d17cd64474d"
@@ -3562,6 +4178,11 @@ normalize-path@^2.1.1:
   dependencies:
     remove-trailing-separator "^1.0.1"
 
+normalize-path@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/normalize-path/-/normalize-path-3.0.0.tgz#0dcd69ff23a1c9b11fd0978316644a0388216a65"
+  integrity sha512-6eZs5Ls3WtCisHWp9S2GUy8dqkpGi4BVSz3GaqiE6ezub0512ESztXUwUB6C6IKbQkY2Pnb/mD4WYojCRwcwLA==
+
 npm-bundled@^1.0.1:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/npm-bundled/-/npm-bundled-1.0.6.tgz#e7ba9aadcef962bb61248f91721cd932b3fe6bdd"
@@ -3725,6 +4346,15 @@ osenv@^0.1.4:
     os-homedir "^1.0.0"
     os-tmpdir "^1.0.0"
 
+output-file-sync@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/output-file-sync/-/output-file-sync-2.0.1.tgz#f53118282f5f553c2799541792b723a4c71430c0"
+  integrity sha512-mDho4qm7WgIXIGf4eYU1RHN2UU5tPfVYVSRwDJw0uTmj35DQUt/eNp19N7v6T3SrR0ESTEf2up2CGO73qI35zQ==
+  dependencies:
+    graceful-fs "^4.1.11"
+    is-plain-obj "^1.1.0"
+    mkdirp "^0.5.1"
+
 p-defer@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/p-defer/-/p-defer-1.0.0.tgz#9f6eb182f6c9aa8cd743004a7d4f96b196b0fb0c"
@@ -3832,6 +4462,11 @@ pascalcase@^0.1.1:
   resolved "https://registry.yarnpkg.com/pascalcase/-/pascalcase-0.1.1.tgz#b363e55e8006ca6fe21784d2db22bd15d7917f14"
   integrity sha1-s2PlXoAGym/iF4TS2yK9FdeRfxQ=
 
+path-dirname@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/path-dirname/-/path-dirname-1.0.2.tgz#cc33d24d525e099a5388c0336c6e32b9160609e0"
+  integrity sha1-zDPSTVJeCZpTiMAzbG4yuRYGCeA=
+
 path-exists@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-2.1.0.tgz#0feb6c64f0fc518d9a754dd5efb62c7022761f4b"
@@ -3990,6 +4625,11 @@ prettylint@^1.0.0:
     meow "^3.7.0"
     tslib "^1.8.0"
 
+private@^0.1.6:
+  version "0.1.8"
+  resolved "https://registry.yarnpkg.com/private/-/private-0.1.8.tgz#2381edb3689f7a53d653190060fcf822d2f368ff"
+  integrity sha512-VvivMrbvd2nKkiG38qjULzlc+4Vx4wm/whI9pQD35YrARNnhxeiRktSOhSukRLFNlzg6Br/cJPet5J/u19r/mg==
+
 process-nextick-args@~2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-2.0.0.tgz#a37d732f4271b4ab1ad070d35508e8290788ffaa"
@@ -4117,7 +4757,7 @@ read-pkg@^4.0.1:
     parse-json "^4.0.0"
     pify "^3.0.0"
 
-readable-stream@^2.0.1, readable-stream@^2.0.6, readable-stream@~2.3.6:
+readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.6, readable-stream@~2.3.6:
   version "2.3.6"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
   integrity sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==
@@ -4130,6 +4770,15 @@ readable-stream@^2.0.1, readable-stream@^2.0.6, readable-stream@~2.3.6:
     string_decoder "~1.1.1"
     util-deprecate "~1.0.1"
 
+readdirp@^2.2.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-2.2.1.tgz#0e87622a3325aa33e892285caf8b4e846529a525"
+  integrity sha512-1JU/8q+VgFZyxwrJ+SVIOsh+KywWGpds3NTqikiKpDMZWScmAYyKIgqkO+ARvNWJfXeXR1zxz7aHF4u4CyH6vQ==
+  dependencies:
+    graceful-fs "^4.1.11"
+    micromatch "^3.1.10"
+    readable-stream "^2.0.2"
+
 realpath-native@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/realpath-native/-/realpath-native-1.1.0.tgz#2003294fea23fb0672f2476ebe22fcf498a2d65c"
@@ -4153,6 +4802,18 @@ redent@^2.0.0:
     indent-string "^3.0.0"
     strip-indent "^2.0.0"
 
+regenerate-unicode-properties@^8.0.2:
+  version "8.0.2"
+  resolved "https://registry.yarnpkg.com/regenerate-unicode-properties/-/regenerate-unicode-properties-8.0.2.tgz#7b38faa296252376d363558cfbda90c9ce709662"
+  integrity sha512-SbA/iNrBUf6Pv2zU8Ekv1Qbhv92yxL4hiDa2siuxs4KKn4oOoMDHXjAf7+Nz9qinUQ46B1LcWEi/PhJfPWpZWQ==
+  dependencies:
+    regenerate "^1.4.0"
+
+regenerate@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/regenerate/-/regenerate-1.4.0.tgz#4a856ec4b56e4077c557589cae85e7a4c8869a11"
+  integrity sha512-1G6jJVDWrt0rK99kBjvEtziZNCICAuvIPkSiUFIQxVP06RCVpq3dmDo2oi6ABpYaDYaTRr67BEhL8r1wgEZZKg==
+
 regenerator-runtime@^0.10.5:
   version "0.10.5"
   resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.10.5.tgz#336c3efc1220adcedda2c9fab67b5a7955a33658"
@@ -4168,6 +4829,13 @@ regenerator-runtime@^0.13.2:
   resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.13.2.tgz#32e59c9a6fb9b1a4aff09b4930ca2d4477343447"
   integrity sha512-S/TQAZJO+D3m9xeN1WTI8dLKBBiRgXBlTJvbWjCThHWZj9EvHK70Ff50/tYj2J/fvBY6JtFVwRuazHN2E7M9BA==
 
+regenerator-transform@^0.13.4:
+  version "0.13.4"
+  resolved "https://registry.yarnpkg.com/regenerator-transform/-/regenerator-transform-0.13.4.tgz#18f6763cf1382c69c36df76c6ce122cc694284fb"
+  integrity sha512-T0QMBjK3J0MtxjPmdIMXm72Wvj2Abb0Bd4HADdfijwMdoIsyQZ6fWC7kDFhk2YinBBEMZDL7Y7wh0J1sGx3S4A==
+  dependencies:
+    private "^0.1.6"
+
 regex-not@^1.0.0, regex-not@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/regex-not/-/regex-not-1.0.2.tgz#1f4ece27e00b0b65e0247a6810e6a85d83a5752c"
@@ -4176,11 +4844,40 @@ regex-not@^1.0.0, regex-not@^1.0.2:
     extend-shallow "^3.0.2"
     safe-regex "^1.1.0"
 
+regexp-tree@^0.1.0:
+  version "0.1.6"
+  resolved "https://registry.yarnpkg.com/regexp-tree/-/regexp-tree-0.1.6.tgz#84900fa12fdf428a2ac25f04300382a7c0148479"
+  integrity sha512-LFrA98Dw/heXqDojz7qKFdygZmFoiVlvE1Zp7Cq2cvF+ZA+03Gmhy0k0PQlsC1jvHPiTUSs+pDHEuSWv6+6D7w==
+
 regexpp@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/regexpp/-/regexpp-2.0.1.tgz#8d19d31cf632482b589049f8281f93dbcba4d07f"
   integrity sha512-lv0M6+TkDVniA3aD1Eg0DVpfU/booSu7Eev3TDO/mZKHBfVjgCGTV4t4buppESEYDtkArYFOxTJWv6S5C+iaNw==
 
+regexpu-core@^4.5.4:
+  version "4.5.4"
+  resolved "https://registry.yarnpkg.com/regexpu-core/-/regexpu-core-4.5.4.tgz#080d9d02289aa87fe1667a4f5136bc98a6aebaae"
+  integrity sha512-BtizvGtFQKGPUcTy56o3nk1bGRp4SZOTYrDtGNlqCQufptV5IkkLN6Emw+yunAJjzf+C9FQFtvq7IoA3+oMYHQ==
+  dependencies:
+    regenerate "^1.4.0"
+    regenerate-unicode-properties "^8.0.2"
+    regjsgen "^0.5.0"
+    regjsparser "^0.6.0"
+    unicode-match-property-ecmascript "^1.0.4"
+    unicode-match-property-value-ecmascript "^1.1.0"
+
+regjsgen@^0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/regjsgen/-/regjsgen-0.5.0.tgz#a7634dc08f89209c2049adda3525711fb97265dd"
+  integrity sha512-RnIrLhrXCX5ow/E5/Mh2O4e/oa1/jW0eaBKTSy3LaCj+M3Bqvm97GWDp2yUtzIs4LEn65zR2yiYGFqb2ApnzDA==
+
+regjsparser@^0.6.0:
+  version "0.6.0"
+  resolved "https://registry.yarnpkg.com/regjsparser/-/regjsparser-0.6.0.tgz#f1e6ae8b7da2bae96c99399b868cd6c933a2ba9c"
+  integrity sha512-RQ7YyokLiQBomUJuUG8iGVvkgOLxwyZM8k6d3q5SAXpg4r5TZJZigKFvC6PpD+qQ98bCDC5YelPeA3EucDoNeQ==
+  dependencies:
+    jsesc "~0.5.0"
+
 remove-trailing-separator@^1.0.1:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/remove-trailing-separator/-/remove-trailing-separator-1.1.0.tgz#c24bce2a283adad5bc3f58e0d48249b92379d8ef"
@@ -4954,6 +5651,29 @@ uglify-js@^3.1.4:
     commander "~2.20.0"
     source-map "~0.6.1"
 
+unicode-canonical-property-names-ecmascript@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/unicode-canonical-property-names-ecmascript/-/unicode-canonical-property-names-ecmascript-1.0.4.tgz#2619800c4c825800efdd8343af7dd9933cbe2818"
+  integrity sha512-jDrNnXWHd4oHiTZnx/ZG7gtUTVp+gCcTTKr8L0HjlwphROEW3+Him+IpvC+xcJEFegapiMZyZe02CyuOnRmbnQ==
+
+unicode-match-property-ecmascript@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/unicode-match-property-ecmascript/-/unicode-match-property-ecmascript-1.0.4.tgz#8ed2a32569961bce9227d09cd3ffbb8fed5f020c"
+  integrity sha512-L4Qoh15vTfntsn4P1zqnHulG0LdXgjSO035fEpdtp6YxXhMT51Q6vgM5lYdG/5X3MjS+k/Y9Xw4SFCY9IkR0rg==
+  dependencies:
+    unicode-canonical-property-names-ecmascript "^1.0.4"
+    unicode-property-aliases-ecmascript "^1.0.4"
+
+unicode-match-property-value-ecmascript@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/unicode-match-property-value-ecmascript/-/unicode-match-property-value-ecmascript-1.1.0.tgz#5b4b426e08d13a80365e0d657ac7a6c1ec46a277"
+  integrity sha512-hDTHvaBk3RmFzvSl0UVrUmC3PuW9wKVnpoUDYH0JDkSIovzw+J5viQmeYHxVSBptubnr7PbH2e0fnpDRQnQl5g==
+
+unicode-property-aliases-ecmascript@^1.0.4:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/unicode-property-aliases-ecmascript/-/unicode-property-aliases-ecmascript-1.0.5.tgz#a9cc6cc7ce63a0a3023fc99e341b94431d405a57"
+  integrity sha512-L5RAqCfXqAwR3RriF8pM0lU0w4Ryf/GgzONwi6KnL1taJQa7x1TCxdJnILX59WIGOwR57IVxn7Nej0fz1Ny6fw==
+
 union-value@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/union-value/-/union-value-1.0.0.tgz#5c71c34cb5bad5dcebe3ea0cd08207ba5aa1aea4"
@@ -4972,6 +5692,11 @@ unset-value@^1.0.0:
     has-value "^0.3.1"
     isobject "^3.0.0"
 
+upath@^1.1.1:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/upath/-/upath-1.1.2.tgz#3db658600edaeeccbe6db5e684d67ee8c2acd068"
+  integrity sha512-kXpym8nmDmlCBr7nKdIx8P2jNBa+pBpIUFRnKJ4dr8htyYGJFokkr2ZvERRtUN+9SY+JqXouNgUPtv6JQva/2Q==
+
 uri-js@^4.2.2:
   version "4.2.2"
   resolved "https://registry.yarnpkg.com/uri-js/-/uri-js-4.2.2.tgz#94c540e1ff772956e2299507c010aea6c8838eb0"