diff --git a/.eslintrc b/.eslintrc
index eef7c04d72..1d12ab0bf5 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -2,13 +2,24 @@
     "env": {
         "node": true
     },
-    "extends": ["airbnb-base", "prettier"],
+    "extends": [
+        "airbnb-typescript/base",
+        "prettier"
+
+    ],
+    "parser": "@typescript-eslint/parser",
     "parserOptions": {
-        "ecmaVersion": 2019
+        "ecmaVersion": 2019,
+        "project": "./tsconfig.json"
     },
-    "plugins": ["prettier"],
+    "plugins": ["prettier","@typescript-eslint"],
     "root": true,
     "rules": {
+        "@typescript-eslint/no-var-requires": 0,
+        "@typescript-eslint/indent": 0,
+        "@typescript-eslint/naming-convention": 0,
+        "@typescript-eslint/space-before-function-paren": 0,
+        "import/no-unresolved": 0,
         "class-methods-use-this": [0],
         "prettier/prettier": ["error"],
         "func-names": "off",
@@ -28,5 +39,17 @@
             }
         ]
     },
+    "overrides": [
+        {
+            // enable the rule specifically for TypeScript files
+            "files": ["*.ts", "*.tsx"],
+            "rules": {
+                "@typescript-eslint/explicit-module-boundary-types": ["error"],
+                "@typescript-eslint/indent": ["error"],
+                "@typescript-eslint/naming-convention": ["error"],
+                "@typescript-eslint/space-before-function-paren": ["error"]
+            }
+        }
+    ],
     "ignorePatterns": ["**/docs/api/oas/"]
 }
diff --git a/.nycrc b/.nycrc
new file mode 100644
index 0000000000..51e185bf56
--- /dev/null
+++ b/.nycrc
@@ -0,0 +1,4 @@
+{
+    "extends": "@istanbuljs/nyc-config-typescript",
+    "all": true
+}
diff --git a/package.json b/package.json
index aa1dbd2abc..8268092e6a 100644
--- a/package.json
+++ b/package.json
@@ -100,14 +100,18 @@
     "yargs": "^16.0.3"
   },
   "devDependencies": {
+    "@istanbuljs/nyc-config-typescript": "^1.0.1",
     "@passport-next/passport": "^3.1.0",
     "@passport-next/passport-google-oauth2": "^1.0.0",
     "@types/express": "^4.17.11",
     "@types/node": "^14.0.0",
+    "@typescript-eslint/eslint-plugin": "^4.15.2",
+    "@typescript-eslint/parser": "^4.15.2",
     "ava": "^3.7.0",
     "coveralls": "^3.1.0",
     "eslint": "^6.8.0",
     "eslint-config-airbnb-base": "^14.1.0",
+    "eslint-config-airbnb-typescript": "^12.3.1",
     "eslint-config-prettier": "^6.10.1",
     "eslint-plugin-import": "^2.20.2",
     "eslint-plugin-prettier": "^3.1.3",
@@ -121,9 +125,11 @@
     "passport-google-auth": "^1.0.2",
     "prettier": "^1.19.1",
     "proxyquire": "^2.1.3",
+    "source-map-support": "^0.5.19",
     "sinon": "^9.2.4",
     "superagent": "^6.1.0",
     "supertest": "^5.0.0",
+    "ts-node": "^9.1.1",
     "tsc-watch": "^4.2.9",
     "typescript": "^4.1.5"
   },
diff --git a/src/lib/addons/jira-comment.js b/src/lib/addons/jira-comment.js
index c20d0f733f..4ae4ad6ce2 100644
--- a/src/lib/addons/jira-comment.js
+++ b/src/lib/addons/jira-comment.js
@@ -86,7 +86,7 @@ class JiraAddon extends Addon {
                         content: [
                             {
                                 type: 'text',
-                                text: `To see what happened visit Unleash`,
+                                text: 'To see what happened visit Unleash',
                                 marks: [
                                     {
                                         type: 'link',
diff --git a/src/lib/app.js b/src/lib/app.ts
similarity index 94%
rename from src/lib/app.js
rename to src/lib/app.ts
index 335db93ad0..6a8f9eb9c9 100644
--- a/src/lib/app.js
+++ b/src/lib/app.ts
@@ -1,5 +1,3 @@
-'use strict';
-
 const express = require('express');
 
 const compression = require('compression');
@@ -9,7 +7,7 @@ const path = require('path');
 const errorHandler = require('errorhandler');
 const IndexRouter = require('./routes');
 const unleashDbSession = require('./middleware/session-db');
-const responseTime = require('./middleware/response-time');
+import { responseTimeMetrics } from './middleware/response-time-metrics';
 const requestLogger = require('./middleware/request-logger');
 const simpleAuthentication = require('./middleware/simple-authentication');
 const noAuthentication = require('./middleware/no-authentication');
@@ -33,7 +31,7 @@ module.exports = function(config, services = {}) {
     app.use(cookieParser());
     app.use(express.json({ strict: false }));
     app.use(unleashDbSession(config));
-    app.use(responseTime(config));
+    app.use(responseTimeMetrics(config));
     app.use(requestLogger(config));
     app.use(secureHeaders(config));
     app.use(express.urlencoded({ extended: true }));
diff --git a/src/lib/error/db-error.js b/src/lib/error/db-error.js
deleted file mode 100644
index 1795f7639f..0000000000
--- a/src/lib/error/db-error.js
+++ /dev/null
@@ -1,3 +0,0 @@
-module.exports = {
-    UNIQUE_CONSTRAINT_VIOLATION: '23505',
-};
diff --git a/src/lib/error/db-error.ts b/src/lib/error/db-error.ts
new file mode 100644
index 0000000000..936dc02132
--- /dev/null
+++ b/src/lib/error/db-error.ts
@@ -0,0 +1,3 @@
+const UNIQUE_CONSTRAINT_VIOLATION = '23505';
+
+export {UNIQUE_CONSTRAINT_VIOLATION};
diff --git a/src/lib/error/feature-has-tag-error.js b/src/lib/error/feature-has-tag-error.js
index 05b35d623d..720245c026 100644
--- a/src/lib/error/feature-has-tag-error.js
+++ b/src/lib/error/feature-has-tag-error.js
@@ -1,5 +1,3 @@
-'use strict';
-
 class FeatureHasTagError extends Error {
     constructor(message) {
         super();
@@ -22,5 +20,4 @@ class FeatureHasTagError extends Error {
         return obj;
     }
 }
-
 module.exports = FeatureHasTagError;
diff --git a/src/lib/events.js b/src/lib/events.js
deleted file mode 100644
index 905b90b5af..0000000000
--- a/src/lib/events.js
+++ /dev/null
@@ -1,6 +0,0 @@
-'use strict';
-
-module.exports = {
-    REQUEST_TIME: 'request_time',
-    DB_TIME: 'db_time',
-};
diff --git a/src/lib/events.ts b/src/lib/events.ts
new file mode 100644
index 0000000000..0c84c45021
--- /dev/null
+++ b/src/lib/events.ts
@@ -0,0 +1,4 @@
+const REQUEST_TIME = 'request_time';
+const DB_TIME =  'db_time';
+
+export {REQUEST_TIME, DB_TIME};
diff --git a/src/lib/metrics.js b/src/lib/metrics.ts
similarity index 93%
rename from src/lib/metrics.js
rename to src/lib/metrics.ts
index 3bc493f40b..8b5c85acd6 100644
--- a/src/lib/metrics.js
+++ b/src/lib/metrics.ts
@@ -1,19 +1,19 @@
-'use strict';
-
-const client = require('prom-client');
-const events = require('./events');
-const {
+import client from 'prom-client';
+import * as events from './events';
+import {
     FEATURE_CREATED,
     FEATURE_UPDATED,
     FEATURE_ARCHIVED,
     FEATURE_REVIVED,
     DB_POOL_UPDATE,
-} = require('./event-type');
+} from'./event-type';
 
 const THREE_HOURS = 3 * 60 * 60 * 1000;
 const ONE_MINUTE = 60 * 1000;
 
 class MetricsMonitor {
+    timer: any;
+
     constructor() {
         this.timer = null;
     }
@@ -98,16 +98,15 @@ class MetricsMonitor {
         });
 
         clientMetricsStore.on('metrics', m => {
-            // eslint-disable-next-line no-restricted-syntax
-            for (const [feature, { yes, no }] of Object.entries(
+            for (const entry of Object.entries(
                 m.bucket.toggles,
             )) {
                 featureToggleUsageTotal
-                    .labels(feature, true, m.appName)
-                    .inc(yes);
+                    .labels(entry[0], 'true', m.appName)
+                    .inc(entry[1]['yes']);
                 featureToggleUsageTotal
-                    .labels(feature, false, m.appName)
-                    .inc(no);
+                    .labels(entry[0], 'false', m.appName)
+                    .inc(entry[1]['no']);
             }
         });
 
diff --git a/src/lib/middleware/response-time.js b/src/lib/middleware/response-time-metrics.ts
similarity index 59%
rename from src/lib/middleware/response-time.js
rename to src/lib/middleware/response-time-metrics.ts
index 49bcfc2d8e..c24dd18dfe 100644
--- a/src/lib/middleware/response-time.js
+++ b/src/lib/middleware/response-time-metrics.ts
@@ -1,10 +1,10 @@
-'use strict';
+import  * as responseTime from 'response-time';
+import { REQUEST_TIME } from '../events';
 
-const responseTime = require('response-time');
-const { REQUEST_TIME } = require('../events');
+var _responseTime = responseTime.default
 
-module.exports = function(config) {
-    return responseTime((req, res, time) => {
+export function responseTimeMetrics(config) {
+    return _responseTime((req, res, time) => {
         const { statusCode } = res;
 
         const pathname = req.route ? req.baseUrl + req.route.path : '(hidden)';
diff --git a/src/lib/options.js b/src/lib/options.js
index aad4ab2146..6666482be3 100644
--- a/src/lib/options.js
+++ b/src/lib/options.js
@@ -119,7 +119,7 @@ module.exports = {
 
         if (!options.db.host) {
             throw new Error(
-                `Unleash requires database details to start. See https://unleash.github.io/docs/getting_started`,
+                'Unleash requires database details to start. See https://unleash.github.io/docs/getting_started',
             );
         }
 
diff --git a/src/lib/routes/admin-api/metrics.test.js b/src/lib/routes/admin-api/metrics.test.js
index 7291f8ac30..47f1a311b1 100644
--- a/src/lib/routes/admin-api/metrics.test.js
+++ b/src/lib/routes/admin-api/metrics.test.js
@@ -124,7 +124,7 @@ test('should return applications', t => {
     stores.clientApplicationsStore.upsert({ appName });
 
     return request
-        .get(`/api/admin/metrics/applications/`)
+        .get('/api/admin/metrics/applications/')
         .expect(200)
         .expect(res => {
             const metrics = res.body;
diff --git a/src/lib/routes/admin-api/strategy.test.js b/src/lib/routes/admin-api/strategy.test.js
index 1a9d9b2a62..39bb9eb46c 100644
--- a/src/lib/routes/admin-api/strategy.test.js
+++ b/src/lib/routes/admin-api/strategy.test.js
@@ -252,7 +252,7 @@ test('reactivating a non-existent strategy yields 404', t => {
         .set('Content-Type', 'application/json')
         .expect(404);
 });
-test(`deprecating 'default' strategy will yield 403`, t => {
+test("deprecating 'default' strategy will yield 403", t => {
     t.plan(0);
     const { request, base, perms } = getSetup();
     perms.withPermissions(UPDATE_STRATEGY);
diff --git a/src/lib/routes/backstage.js b/src/lib/routes/backstage.ts
similarity index 71%
rename from src/lib/routes/backstage.js
rename to src/lib/routes/backstage.ts
index 8d6cba43b3..a3bad14005 100644
--- a/src/lib/routes/backstage.js
+++ b/src/lib/routes/backstage.ts
@@ -1,9 +1,9 @@
-'use strict';
-
-const { register: prometheusRegister } = require('prom-client');
-const Controller = require('./controller');
+import { register as prometheusRegister } from 'prom-client';
+import Controller from './controller';
 
 class BackstageController extends Controller {
+    logger: any;
+
     constructor(config) {
         super();
 
@@ -18,4 +18,4 @@ class BackstageController extends Controller {
     }
 }
 
-module.exports = BackstageController;
+export { BackstageController };
diff --git a/src/lib/routes/index.js b/src/lib/routes/index.ts
similarity index 89%
rename from src/lib/routes/index.js
rename to src/lib/routes/index.ts
index c8b018299d..e29e5d7bf0 100644
--- a/src/lib/routes/index.js
+++ b/src/lib/routes/index.ts
@@ -6,7 +6,7 @@ const FeatureController = require('./client-api/feature.js');
 
 const Controller = require('./controller');
 const HealthCheckController = require('./health-check');
-const BackstageCTR = require('./backstage.js');
+import { BackstageController } from './backstage';
 const LogoutController = require('./logout');
 const api = require('./api-def');
 
@@ -14,7 +14,7 @@ class IndexRouter extends Controller {
     constructor(config, services) {
         super();
         this.use('/health', new HealthCheckController(config).router);
-        this.use('/internal-backstage', new BackstageCTR(config).router);
+        this.use('/internal-backstage', new BackstageController(config).router);
         this.use('/logout', new LogoutController(config).router);
         this.get(api.uri, this.index);
         this.use(api.links.admin.uri, new AdminApi(config, services).router);
diff --git a/src/lib/services/state-service.js b/src/lib/services/state-service.js
index df26e0c3fe..bdf6589557 100644
--- a/src/lib/services/state-service.js
+++ b/src/lib/services/state-service.js
@@ -63,7 +63,7 @@ class StateService {
             : await this.toggleStore.getFeatures();
 
         if (dropBeforeImport) {
-            this.logger.info(`Dropping existing feature toggles`);
+            this.logger.info('Dropping existing feature toggles');
             await this.toggleStore.dropFeatures();
             await this.eventStore.store({
                 type: DROP_FEATURES,
@@ -100,7 +100,7 @@ class StateService {
             : await this.strategyStore.getStrategies();
 
         if (dropBeforeImport) {
-            this.logger.info(`Dropping existing strategies`);
+            this.logger.info('Dropping existing strategies');
             await this.strategyStore.dropStrategies();
             await this.eventStore.store({
                 type: DROP_STRATEGIES,
diff --git a/src/migrations/20190123204125-add-variants-to-features.js b/src/migrations/20190123204125-add-variants-to-features.js
index 594bdc258e..f55ac57cc7 100644
--- a/src/migrations/20190123204125-add-variants-to-features.js
+++ b/src/migrations/20190123204125-add-variants-to-features.js
@@ -11,5 +11,5 @@ exports.up = function(db, callback) {
 };
 
 exports.down = function(db, callback) {
-    db.runSql(`ALTER TABLE features DROP COLUMN "variants";`, callback);
+    db.runSql('ALTER TABLE features DROP COLUMN "variants";', callback);
 };
diff --git a/src/migrations/20210119084617-add-addon-table.js b/src/migrations/20210119084617-add-addon-table.js
index 0b149b9760..d802d61202 100644
--- a/src/migrations/20210119084617-add-addon-table.js
+++ b/src/migrations/20210119084617-add-addon-table.js
@@ -16,5 +16,5 @@ exports.up = function(db, cb) {
 };
 
 exports.down = function(db, cb) {
-    db.runSql(`DROP TABLE addons;`, cb);
+    db.runSql('DROP TABLE addons;', cb);
 };
diff --git a/src/migrations/20210121115438-add-deprecated-column-to-strategies.js b/src/migrations/20210121115438-add-deprecated-column-to-strategies.js
index 313a5fc279..3f22836e74 100644
--- a/src/migrations/20210121115438-add-deprecated-column-to-strategies.js
+++ b/src/migrations/20210121115438-add-deprecated-column-to-strategies.js
@@ -10,7 +10,7 @@ exports.up = function(db, cb) {
 };
 
 exports.down = function(db, cb) {
-    db.runSql(`ALTER TABLE strategies DROP COLUMN deprecated`, cb);
+    db.runSql('ALTER TABLE strategies DROP COLUMN deprecated', cb);
 };
 
 exports._meta = {
diff --git a/src/test/e2e/api/admin/addon.e2e.test.js b/src/test/e2e/api/admin/addon.e2e.test.js
index ebab5d14d7..4aa10d45bc 100644
--- a/src/test/e2e/api/admin/addon.e2e.test.js
+++ b/src/test/e2e/api/admin/addon.e2e.test.js
@@ -146,7 +146,7 @@ test.serial('should not update with invalid addon configuration', async t => {
     };
 
     await request
-        .put(`/api/admin/addons/1`)
+        .put('/api/admin/addons/1')
         .send(config)
         .expect(400);
 });
@@ -166,7 +166,7 @@ test.serial('should not update unknown addon configuration', async t => {
     };
 
     await request
-        .put(`/api/admin/addons/123123`)
+        .put('/api/admin/addons/123123')
         .send(config)
         .expect(404);
 });
@@ -209,7 +209,7 @@ test.serial('should not get unknown addon configuration', async t => {
     t.plan(0);
     const request = await setupApp(stores);
 
-    await request.get(`/api/admin/addons/445`).expect(404);
+    await request.get('/api/admin/addons/445').expect(404);
 });
 
 test.serial('should not delete unknown addon configuration', async t => {
diff --git a/src/test/e2e/api/admin/feature.custom-auth.e2e.test.js b/src/test/e2e/api/admin/feature.custom-auth.e2e.test.js
index e67b7b43f1..e45232de1f 100644
--- a/src/test/e2e/api/admin/feature.custom-auth.e2e.test.js
+++ b/src/test/e2e/api/admin/feature.custom-auth.e2e.test.js
@@ -29,7 +29,7 @@ test.serial('should require authenticated user', async t => {
                     new AuthenticationRequired({
                         path: '/api/admin/login',
                         type: 'custom',
-                        message: `You have to identify yourself.`,
+                        message: 'You have to identify yourself.',
                     }),
                 )
                 .end(),
diff --git a/yarn.lock b/yarn.lock
index 96bef06b47..12f6c7d3e5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -378,6 +378,13 @@
     js-yaml "^3.13.1"
     resolve-from "^5.0.0"
 
+"@istanbuljs/nyc-config-typescript@^1.0.1":
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/@istanbuljs/nyc-config-typescript/-/nyc-config-typescript-1.0.1.tgz#55172f5663b3635586add21b14d42ca94a163d58"
+  integrity sha512-/gz6LgVpky205LuoOfwEZmnUtaSmdk0QIMcNFj9OvxhiMhPpKftMgZmGN7jNj7jR+lr8IB1Yks3QSSSNSxfoaQ==
+  dependencies:
+    "@istanbuljs/schema" "^0.1.2"
+
 "@istanbuljs/schema@^0.1.2":
   version "0.1.2"
   resolved "https://registry.npmjs.org/@istanbuljs/schema/-/schema-0.1.2.tgz"
@@ -543,6 +550,11 @@
     "@types/minimatch" "*"
     "@types/node" "*"
 
+"@types/json-schema@^7.0.3":
+  version "7.0.7"
+  resolved "https://registry.yarnpkg.com/@types/json-schema/-/json-schema-7.0.7.tgz#98a993516c859eb0d5c4c8f098317a9ea68db9ad"
+  integrity sha512-cxWFQVseBm6O9Gbw1IWb8r6OS4OhSt3hPZLkFApLjM8TEXROBuQGLAH2i2gZpcXdLBIrpXuTDhH7Vbm1iXmNGA==
+
 "@types/json5@^0.0.29":
   version "0.0.29"
   resolved "https://registry.npmjs.org/@types/json5/-/json5-0.0.29.tgz"
@@ -591,6 +603,76 @@
     "@types/mime" "^1"
     "@types/node" "*"
 
+"@typescript-eslint/eslint-plugin@^4.15.2":
+  version "4.15.2"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/eslint-plugin/-/eslint-plugin-4.15.2.tgz#981b26b4076c62a5a55873fbef3fe98f83360c61"
+  integrity sha512-uiQQeu9tWl3f1+oK0yoAv9lt/KXO24iafxgQTkIYO/kitruILGx3uH+QtIAHqxFV+yIsdnJH+alel9KuE3J15Q==
+  dependencies:
+    "@typescript-eslint/experimental-utils" "4.15.2"
+    "@typescript-eslint/scope-manager" "4.15.2"
+    debug "^4.1.1"
+    functional-red-black-tree "^1.0.1"
+    lodash "^4.17.15"
+    regexpp "^3.0.0"
+    semver "^7.3.2"
+    tsutils "^3.17.1"
+
+"@typescript-eslint/experimental-utils@4.15.2":
+  version "4.15.2"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/experimental-utils/-/experimental-utils-4.15.2.tgz#5efd12355bd5b535e1831282e6cf465b9a71cf36"
+  integrity sha512-Fxoshw8+R5X3/Vmqwsjc8nRO/7iTysRtDqx6rlfLZ7HbT8TZhPeQqbPjTyk2RheH3L8afumecTQnUc9EeXxohQ==
+  dependencies:
+    "@types/json-schema" "^7.0.3"
+    "@typescript-eslint/scope-manager" "4.15.2"
+    "@typescript-eslint/types" "4.15.2"
+    "@typescript-eslint/typescript-estree" "4.15.2"
+    eslint-scope "^5.0.0"
+    eslint-utils "^2.0.0"
+
+"@typescript-eslint/parser@^4.15.2", "@typescript-eslint/parser@^4.4.1":
+  version "4.15.2"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/parser/-/parser-4.15.2.tgz#c804474321ef76a3955aec03664808f0d6e7872e"
+  integrity sha512-SHeF8xbsC6z2FKXsaTb1tBCf0QZsjJ94H6Bo51Y1aVEZ4XAefaw5ZAilMoDPlGghe+qtq7XdTiDlGfVTOmvA+Q==
+  dependencies:
+    "@typescript-eslint/scope-manager" "4.15.2"
+    "@typescript-eslint/types" "4.15.2"
+    "@typescript-eslint/typescript-estree" "4.15.2"
+    debug "^4.1.1"
+
+"@typescript-eslint/scope-manager@4.15.2":
+  version "4.15.2"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/scope-manager/-/scope-manager-4.15.2.tgz#5725bda656995960ae1d004bfd1cd70320f37f4f"
+  integrity sha512-Zm0tf/MSKuX6aeJmuXexgdVyxT9/oJJhaCkijv0DvJVT3ui4zY6XYd6iwIo/8GEZGy43cd7w1rFMiCLHbRzAPQ==
+  dependencies:
+    "@typescript-eslint/types" "4.15.2"
+    "@typescript-eslint/visitor-keys" "4.15.2"
+
+"@typescript-eslint/types@4.15.2":
+  version "4.15.2"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/types/-/types-4.15.2.tgz#04acf3a2dc8001a88985291744241e732ef22c60"
+  integrity sha512-r7lW7HFkAarfUylJ2tKndyO9njwSyoy6cpfDKWPX6/ctZA+QyaYscAHXVAfJqtnY6aaTwDYrOhp+ginlbc7HfQ==
+
+"@typescript-eslint/typescript-estree@4.15.2":
+  version "4.15.2"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-4.15.2.tgz#c2f7a1e94f3428d229d5ecff3ead6581ee9b62fa"
+  integrity sha512-cGR8C2g5SPtHTQvAymEODeqx90pJHadWsgTtx6GbnTWKqsg7yp6Eaya9nFzUd4KrKhxdYTTFBiYeTPQaz/l8bw==
+  dependencies:
+    "@typescript-eslint/types" "4.15.2"
+    "@typescript-eslint/visitor-keys" "4.15.2"
+    debug "^4.1.1"
+    globby "^11.0.1"
+    is-glob "^4.0.1"
+    semver "^7.3.2"
+    tsutils "^3.17.1"
+
+"@typescript-eslint/visitor-keys@4.15.2":
+  version "4.15.2"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/visitor-keys/-/visitor-keys-4.15.2.tgz#3d1c7979ce75bf6acf9691109bd0d6b5706192b9"
+  integrity sha512-TME1VgSb7wTwgENN5KVj4Nqg25hP8DisXxNBojM4Nn31rYaNDIocNm5cmjOFfh42n7NVERxWrDFoETO/76ePyg==
+  dependencies:
+    "@typescript-eslint/types" "4.15.2"
+    eslint-visitor-keys "^2.0.0"
+
 abort-controller@^3.0.0:
   version "3.0.0"
   resolved "https://registry.npmjs.org/abort-controller/-/abort-controller-3.0.0.tgz"
@@ -720,6 +802,11 @@ archy@^1.0.0:
   resolved "https://registry.npmjs.org/archy/-/archy-1.0.0.tgz"
   integrity sha1-+cjBN1fMHde8N5rHeyxipcKGjEA=
 
+arg@^4.1.0:
+  version "4.1.3"
+  resolved "https://registry.yarnpkg.com/arg/-/arg-4.1.3.tgz#269fc7ad5b8e42cb63c896d5666017261c144089"
+  integrity sha512-58S9QDqG0Xx27YwPSt9fJxivjYl432YCwfDMfZ+71RAqUrZef7LrKQZ3LHLOwCS4FLNBplP533Zx895SeOCHvA==
+
 argparse@^1.0.7:
   version "1.0.10"
   resolved "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz"
@@ -1121,6 +1208,14 @@ caching-transform@^4.0.0:
     package-hash "^4.0.0"
     write-file-atomic "^3.0.0"
 
+call-bind@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/call-bind/-/call-bind-1.0.2.tgz#b1d4e89e688119c3c9a903ad30abb2f6a919be3c"
+  integrity sha512-7O+FbCihrB5WGbFYesctwmTKae6rOiIzmz1icreWJ+0aA7LJfuqhEso2T9ncpcFtzMQtzXf2QGGueWJGTYsqrA==
+  dependencies:
+    function-bind "^1.1.1"
+    get-intrinsic "^1.0.2"
+
 callsites@^3.0.0, callsites@^3.1.0:
   version "3.1.0"
   resolved "https://registry.npmjs.org/callsites/-/callsites-3.1.0.tgz"
@@ -1428,6 +1523,11 @@ configstore@^5.0.1:
     write-file-atomic "^3.0.0"
     xdg-basedir "^4.0.0"
 
+confusing-browser-globals@^1.0.10:
+  version "1.0.10"
+  resolved "https://registry.yarnpkg.com/confusing-browser-globals/-/confusing-browser-globals-1.0.10.tgz#30d1e7f3d1b882b25ec4933d1d1adac353d20a59"
+  integrity sha512-gNld/3lySHwuhaVluJUKLePYirM3QNCKzVxqAdhJII9/WXKVX5PURzMVJspS1jTslSqjeuG4KMVTSouit5YPHA==
+
 confusing-browser-globals@^1.0.9:
   version "1.0.9"
   resolved "https://registry.npmjs.org/confusing-browser-globals/-/confusing-browser-globals-1.0.9.tgz"
@@ -1548,6 +1648,11 @@ coveralls@^3.1.0:
     minimist "^1.2.5"
     request "^2.88.2"
 
+create-require@^1.1.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/create-require/-/create-require-1.1.1.tgz#c1d7e8f1e5f6cfc9ff65f9cd352d37348756c333"
+  integrity sha512-dcKFX3jn0MpIaXjisoRvexIJVEKzaq7z2rZKxf+MSr9TkdmHmsU4m2lcLojrj/FHl8mk5VxMmYA+ftRkP/3oKQ==
+
 cross-spawn@^6.0.5:
   version "6.0.5"
   resolved "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz"
@@ -1837,7 +1942,7 @@ dicer@0.2.5:
     readable-stream "1.1.x"
     streamsearch "0.1.2"
 
-diff@^4.0.2:
+diff@^4.0.1, diff@^4.0.2:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/diff/-/diff-4.0.2.tgz#60f3aecb89d5fae520c11aa19efc2bb982aade7d"
   integrity sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==
@@ -2078,6 +2183,33 @@ eslint-config-airbnb-base@^14.1.0:
     object.assign "^4.1.0"
     object.entries "^1.1.2"
 
+eslint-config-airbnb-base@^14.2.0, eslint-config-airbnb-base@^14.2.1:
+  version "14.2.1"
+  resolved "https://registry.yarnpkg.com/eslint-config-airbnb-base/-/eslint-config-airbnb-base-14.2.1.tgz#8a2eb38455dc5a312550193b319cdaeef042cd1e"
+  integrity sha512-GOrQyDtVEc1Xy20U7vsB2yAoB4nBlfH5HZJeatRXHleO+OS5Ot+MWij4Dpltw4/DyIkqUfqz1epfhVR5XWWQPA==
+  dependencies:
+    confusing-browser-globals "^1.0.10"
+    object.assign "^4.1.2"
+    object.entries "^1.1.2"
+
+eslint-config-airbnb-typescript@^12.3.1:
+  version "12.3.1"
+  resolved "https://registry.yarnpkg.com/eslint-config-airbnb-typescript/-/eslint-config-airbnb-typescript-12.3.1.tgz#83ab40d76402c208eb08516260d1d6fac8f8acbc"
+  integrity sha512-ql/Pe6/hppYuRp4m3iPaHJqkBB7dgeEmGPQ6X0UNmrQOfTF+dXw29/ZjU2kQ6RDoLxaxOA+Xqv07Vbef6oVTWw==
+  dependencies:
+    "@typescript-eslint/parser" "^4.4.1"
+    eslint-config-airbnb "^18.2.0"
+    eslint-config-airbnb-base "^14.2.0"
+
+eslint-config-airbnb@^18.2.0:
+  version "18.2.1"
+  resolved "https://registry.yarnpkg.com/eslint-config-airbnb/-/eslint-config-airbnb-18.2.1.tgz#b7fe2b42f9f8173e825b73c8014b592e449c98d9"
+  integrity sha512-glZNDEZ36VdlZWoxn/bUR1r/sdFKPd1mHPbqUtkctgNG4yT2DLLtJ3D+yCV+jzZCc2V1nBVkmdknOJBZ5Hc0fg==
+  dependencies:
+    eslint-config-airbnb-base "^14.2.1"
+    object.assign "^4.1.2"
+    object.entries "^1.1.2"
+
 eslint-config-prettier@^6.10.1:
   version "6.11.0"
   resolved "https://registry.npmjs.org/eslint-config-prettier/-/eslint-config-prettier-6.11.0.tgz"
@@ -2142,11 +2274,23 @@ eslint-utils@^1.4.3:
   dependencies:
     eslint-visitor-keys "^1.1.0"
 
+eslint-utils@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/eslint-utils/-/eslint-utils-2.1.0.tgz#d2de5e03424e707dc10c74068ddedae708741b27"
+  integrity sha512-w94dQYoauyvlDc43XnGB8lU3Zt713vNChgt4EWwhXAP2XkBvndfxF0AgIqKOOasjPIPzj9JqgwkwbCYD0/V3Zg==
+  dependencies:
+    eslint-visitor-keys "^1.1.0"
+
 eslint-visitor-keys@^1.1.0:
   version "1.3.0"
   resolved "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-1.3.0.tgz"
   integrity sha512-6J72N8UNa462wa/KFODt/PJ3IU60SDpC3QXC1Hjc1BXXpfL2C9R5+AU7jhe0F6GREqVMh4Juu+NY7xn+6dipUQ==
 
+eslint-visitor-keys@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-2.0.0.tgz#21fdc8fbcd9c795cc0321f0563702095751511a8"
+  integrity sha512-QudtT6av5WXels9WjIM7qz1XD1cWGvX4gGXvp/zBn9nXG02D0utdU3Em2m/QjTnrsk6bBjmCygl3rmj118msQQ==
+
 eslint@^6.8.0:
   version "6.8.0"
   resolved "https://registry.npmjs.org/eslint/-/eslint-6.8.0.tgz"
@@ -2754,6 +2898,15 @@ get-caller-file@^2.0.1, get-caller-file@^2.0.5:
   resolved "https://registry.npmjs.org/get-caller-file/-/get-caller-file-2.0.5.tgz"
   integrity sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg==
 
+get-intrinsic@^1.0.2:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/get-intrinsic/-/get-intrinsic-1.1.1.tgz#15f59f376f855c446963948f0d24cd3637b4abc6"
+  integrity sha512-kWZrnVM42QCiEA2Ig1bG8zjoIMOgxWwYCEeNdwY6Tv/cOSeGpcoX4pXHfKUxNKVoArnrEr2e9srnAxxGIraS9Q==
+  dependencies:
+    function-bind "^1.1.1"
+    has "^1.0.3"
+    has-symbols "^1.0.1"
+
 get-own-enumerable-property-symbols@^3.0.0:
   version "3.0.2"
   resolved "https://registry.npmjs.org/get-own-enumerable-property-symbols/-/get-own-enumerable-property-symbols-3.0.2.tgz"
@@ -4037,6 +4190,11 @@ make-dir@^3.0.0, make-dir@^3.0.2:
   dependencies:
     semver "^6.0.0"
 
+make-error@^1.1.1:
+  version "1.3.6"
+  resolved "https://registry.yarnpkg.com/make-error/-/make-error-1.3.6.tgz#2eb2e37ea9b67c4891f684a1394799af484cf7a2"
+  integrity sha512-s8UhlNe7vPKomQhC1qFelMokr/Sc3AgNbso3n74mVPA5LTZwkB9NlXf4XPamLxJE8h0gh73rM94xvwRT2CVInw==
+
 make-iterator@^1.0.0:
   version "1.0.1"
   resolved "https://registry.npmjs.org/make-iterator/-/make-iterator-1.0.1.tgz"
@@ -4470,6 +4628,16 @@ object.assign@^4.1.0:
     has-symbols "^1.0.0"
     object-keys "^1.0.11"
 
+object.assign@^4.1.2:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/object.assign/-/object.assign-4.1.2.tgz#0ed54a342eceb37b38ff76eb831a0e788cb63940"
+  integrity sha512-ixT2L5THXsApyiUPYKmW+2EHpXXe5Ii3M+f4e+aJFAHao5amFRW6J0OO6c/LU8Be47utCx2GL89hxGB6XSmKuQ==
+  dependencies:
+    call-bind "^1.0.0"
+    define-properties "^1.1.3"
+    has-symbols "^1.0.1"
+    object-keys "^1.1.1"
+
 object.defaults@^1.1.0:
   version "1.1.0"
   resolved "https://registry.npmjs.org/object.defaults/-/object.defaults-1.1.0.tgz"
@@ -5249,6 +5417,11 @@ regexpp@^2.0.1:
   resolved "https://registry.npmjs.org/regexpp/-/regexpp-2.0.1.tgz"
   integrity sha512-lv0M6+TkDVniA3aD1Eg0DVpfU/booSu7Eev3TDO/mZKHBfVjgCGTV4t4buppESEYDtkArYFOxTJWv6S5C+iaNw==
 
+regexpp@^3.0.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/regexpp/-/regexpp-3.1.0.tgz#206d0ad0a5648cffbdb8ae46438f3dc51c9f78e2"
+  integrity sha512-ZOIzd8yVsQQA7j8GCSlPGXwg5PfmA1mrq0JP4nGhh54LaKN3xdai/vHUDu74pKwV8OxseMS65u2NImosQcSD0Q==
+
 registry-auth-token@^4.0.0:
   version "4.2.0"
   resolved "https://registry.npmjs.org/registry-auth-token/-/registry-auth-token-4.2.0.tgz"
@@ -5682,7 +5855,7 @@ source-map-resolve@^0.5.0:
     source-map-url "^0.4.0"
     urix "^0.1.0"
 
-source-map-support@^0.5.19:
+source-map-support@^0.5.17, source-map-support@^0.5.19:
   version "0.5.19"
   resolved "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.19.tgz"
   integrity sha512-Wonm7zOCIJzBGQdB+thsPar0kYuCIzYvxZwlBa87yi/Mdjv7Tip2cyVbLj5o0cFPN4EVkuTwb3GDDyUx2DGnGw==
@@ -6157,6 +6330,18 @@ trim-off-newlines@^1.0.1:
   resolved "https://registry.npmjs.org/trim-off-newlines/-/trim-off-newlines-1.0.1.tgz"
   integrity sha1-n5up2e+odkw4dpi8v+sshI8RrbM=
 
+ts-node@^9.1.1:
+  version "9.1.1"
+  resolved "https://registry.yarnpkg.com/ts-node/-/ts-node-9.1.1.tgz#51a9a450a3e959401bda5f004a72d54b936d376d"
+  integrity sha512-hPlt7ZACERQGf03M253ytLY3dHbGNGrAq9qIHWUY9XHYl1z7wYngSr3OQ5xmui8o2AaxsONxIzjafLUiWBo1Fg==
+  dependencies:
+    arg "^4.1.0"
+    create-require "^1.1.0"
+    diff "^4.0.1"
+    make-error "^1.1.1"
+    source-map-support "^0.5.17"
+    yn "3.1.1"
+
 tsc-watch@^4.2.9:
   version "4.2.9"
   resolved "https://registry.yarnpkg.com/tsc-watch/-/tsc-watch-4.2.9.tgz#d93fc74233ca4ef7ee6b12d08c0fe6aca3e19044"
@@ -6178,6 +6363,11 @@ tsconfig-paths@^3.9.0:
     minimist "^1.2.0"
     strip-bom "^3.0.0"
 
+tslib@^1.8.1:
+  version "1.14.1"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.14.1.tgz#cf2d38bdc34a134bcaf1091c41f6619e2f672d00"
+  integrity sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==
+
 tslib@^1.9.0:
   version "1.13.0"
   resolved "https://registry.npmjs.org/tslib/-/tslib-1.13.0.tgz"
@@ -6188,6 +6378,13 @@ tsscmp@1.0.6:
   resolved "https://registry.npmjs.org/tsscmp/-/tsscmp-1.0.6.tgz"
   integrity sha512-LxhtAkPDTkVCMQjt2h6eBVY28KCjikZqZfMcC15YBeNjkgUpdCfBu5HoiOTDu86v6smE8yOjyEktJ8hlbANHQA==
 
+tsutils@^3.17.1:
+  version "3.20.0"
+  resolved "https://registry.yarnpkg.com/tsutils/-/tsutils-3.20.0.tgz#ea03ea45462e146b53d70ce0893de453ff24f698"
+  integrity sha512-RYbuQuvkhuqVeXweWT3tJLKOEJ/UUw9GjNEZGWdrLLlM+611o1gwLHBpxoFJKKl25fLprp2eVthtKs5JOrNeXg==
+  dependencies:
+    tslib "^1.8.1"
+
 tunnel-agent@^0.6.0:
   version "0.6.0"
   resolved "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz"
@@ -6634,3 +6831,8 @@ yargs@^16.0.3:
     string-width "^4.2.0"
     y18n "^5.0.1"
     yargs-parser "^20.0.0"
+
+yn@3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/yn/-/yn-3.1.1.tgz#1e87401a09d767c1d5eab26a6e4c185182d2eb50"
+  integrity sha512-Ux4ygGWsu2c7isFWe8Yu1YluJmqVhxqK2cLXNQA5AcC3QfbGNpM7fu0Y8b/z16pXLnFxZYvWhd3fhBY9DLmC6Q==