diff --git a/.eslintrc.js b/.eslintrc.js
index 6e3d707d..27ecc3c8 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Intel Corporation
+// Copyright (C) 2018-2020 Intel Corporation
 //
 // SPDX-License-Identifier: MIT
 
@@ -9,15 +9,16 @@ module.exports = {
         es6: true,
         jquery: true,
         qunit: true,
-        'jest/globals': true,
-        'cypress/globals': true,
     },
     parserOptions: {
         sourceType: 'script',
     },
-    plugins: ['requirejs', 'jest', 'cypress', 'eslint-plugin-header'],
-    extends: ['eslint:recommended', 'plugin:requirejs/recommended', 'prettier'],
+    plugins: ['eslint-plugin-header'],
+    extends: ['eslint:recommended', 'prettier'],
     rules: {
-        'header/header': [2, '.header.js'],
+        'header/header': [2, 'line', [{
+            pattern: ' {1}Copyright \\(C\\) (?:20\\d{2}-)?2020 Intel Corporation',
+            template: ' Copyright (C) 2020 Intel Corporation'
+        }, '', ' SPDX-License-Identifier: MIT']],
     },
 };
diff --git a/.header.js b/.header.js
deleted file mode 100644
index c7558271..00000000
--- a/.header.js
+++ /dev/null
@@ -1,3 +0,0 @@
-// Copyright (C) 2020 Intel Corporation
-//
-// SPDX-License-Identifier: MIT
diff --git a/cvat-canvas/.eslintrc.js b/cvat-canvas/.eslintrc.js
index ea46d447..ab1b4278 100644
--- a/cvat-canvas/.eslintrc.js
+++ b/cvat-canvas/.eslintrc.js
@@ -1,12 +1,10 @@
-// Copyright (C) 2020 Intel Corporation
+// Copyright (C) 2019-2020 Intel Corporation
 //
 // SPDX-License-Identifier: MIT
 
 module.exports = {
     env: {
         node: true,
-        browser: true,
-        es6: true,
     },
     parserOptions: {
         parser: '@typescript-eslint/parser',
diff --git a/cvat-canvas/postcss.config.js b/cvat-canvas/postcss.config.js
index f0b129e5..3a833a37 100644
--- a/cvat-canvas/postcss.config.js
+++ b/cvat-canvas/postcss.config.js
@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Intel Corporation
+// Copyright (C) 2019-2020 Intel Corporation
 //
 // SPDX-License-Identifier: MIT
 
diff --git a/cvat-core/.eslintrc.js b/cvat-core/.eslintrc.js
index e271bf92..b67fbe97 100644
--- a/cvat-core/.eslintrc.js
+++ b/cvat-core/.eslintrc.js
@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Intel Corporation
+// Copyright (C) 2018-2020 Intel Corporation
 //
 // SPDX-License-Identifier: MIT
 
@@ -9,13 +9,14 @@ module.exports = {
         es6: true,
         jquery: true,
         qunit: true,
+        'jest/globals': true,
     },
     parserOptions: {
         parser: 'babel-eslint',
         sourceType: 'module',
         ecmaVersion: 2018,
     },
-    plugins: ['security', 'no-unsanitized', 'no-unsafe-innerhtml'],
+    plugins: ['security', 'jest', 'no-unsanitized', 'no-unsafe-innerhtml'],
     extends: ['eslint:recommended', 'plugin:security/recommended', 'plugin:no-unsanitized/DOM', 'airbnb-base'],
     rules: {
         'no-await-in-loop': [0],
diff --git a/cvat-core/jest.config.js b/cvat-core/jest.config.js
index 80196663..6227977b 100644
--- a/cvat-core/jest.config.js
+++ b/cvat-core/jest.config.js
@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Intel Corporation
+// Copyright (C) 2019-2020 Intel Corporation
 //
 // SPDX-License-Identifier: MIT
 
diff --git a/cvat-core/jsdoc.config.js b/cvat-core/jsdoc.config.js
index 845df8d7..a85e5ecc 100644
--- a/cvat-core/jsdoc.config.js
+++ b/cvat-core/jsdoc.config.js
@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Intel Corporation
+// Copyright (C) 2019-2020 Intel Corporation
 //
 // SPDX-License-Identifier: MIT
 
diff --git a/cvat-core/package-lock.json b/cvat-core/package-lock.json
index f32ff333..0b31ce41 100644
--- a/cvat-core/package-lock.json
+++ b/cvat-core/package-lock.json
@@ -1232,6 +1232,32 @@
         "@types/yargs": "^13.0.0"
       }
     },
+    "@nodelib/fs.scandir": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.3.tgz",
+      "integrity": "sha512-eGmwYQn3gxo4r7jdQnkrrN6bY478C3P+a/y72IJukF8LjB6ZHeB3c+Ehacj3sYeSmUXGlnA67/PmbM9CVwL7Dw==",
+      "dev": true,
+      "requires": {
+        "@nodelib/fs.stat": "2.0.3",
+        "run-parallel": "^1.1.9"
+      }
+    },
+    "@nodelib/fs.stat": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/@nodelib/fs.stat/-/fs.stat-2.0.3.tgz",
+      "integrity": "sha512-bQBFruR2TAwoevBEd/NWMoAAtNGzTRgdrqnYCc7dhzfoNvqPzLyqlEQnzZ3kVnNrSp25iyxE00/3h2fqGAGArA==",
+      "dev": true
+    },
+    "@nodelib/fs.walk": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/@nodelib/fs.walk/-/fs.walk-1.2.4.tgz",
+      "integrity": "sha512-1V9XOY4rDW0rehzbrcqAmHnz8e7SKvX27gh8Gt2WgB0+pdzdiLV83p72kZPU+jvMbS1qU5mauP2iOvO8rhmurQ==",
+      "dev": true,
+      "requires": {
+        "@nodelib/fs.scandir": "2.1.3",
+        "fastq": "^1.6.0"
+      }
+    },
     "@types/babel__core": {
       "version": "7.1.9",
       "resolved": "https://registry.npmjs.org/@types/babel__core/-/babel__core-7.1.9.tgz",
@@ -1315,6 +1341,89 @@
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       "integrity": "sha512-FA/BWv8t8ZWJ+gEOnLLd8ygxH/2UFbAvgEonyfN6yWGLKc7zVjbpl2Y4CTjid9h2RfgPP6SEt6uHwEOply00yw=="
     },
+    "@typescript-eslint/experimental-utils": {
+      "version": "4.5.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/experimental-utils/-/experimental-utils-4.5.0.tgz",
+      "integrity": "sha512-bW9IpSAKYvkqDGRZzayBXIgPsj2xmmVHLJ+flGSoN0fF98pGoKFhbunIol0VF2Crka7z984EEhFi623Rl7e6gg==",
+      "dev": true,
+      "requires": {
+        "@types/json-schema": "^7.0.3",
+        "@typescript-eslint/scope-manager": "4.5.0",
+        "@typescript-eslint/types": "4.5.0",
+        "@typescript-eslint/typescript-estree": "4.5.0",
+        "eslint-scope": "^5.0.0",
+        "eslint-utils": "^2.0.0"
+      },
+      "dependencies": {
+        "eslint-utils": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/eslint-utils/-/eslint-utils-2.1.0.tgz",
+          "integrity": "sha512-w94dQYoauyvlDc43XnGB8lU3Zt713vNChgt4EWwhXAP2XkBvndfxF0AgIqKOOasjPIPzj9JqgwkwbCYD0/V3Zg==",
+          "dev": true,
+          "requires": {
+            "eslint-visitor-keys": "^1.1.0"
+          }
+        }
+      }
+    },
+    "@typescript-eslint/scope-manager": {
+      "version": "4.5.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-4.5.0.tgz",
+      "integrity": "sha512-C0cEO0cTMPJ/w4RA/KVe4LFFkkSh9VHoFzKmyaaDWAnPYIEzVCtJ+Un8GZoJhcvq+mPFXEsXa01lcZDHDG6Www==",
+      "dev": true,
+      "requires": {
+        "@typescript-eslint/types": "4.5.0",
+        "@typescript-eslint/visitor-keys": "4.5.0"
+      }
+    },
+    "@typescript-eslint/types": {
+      "version": "4.5.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-4.5.0.tgz",
+      "integrity": "sha512-n2uQoXnyWNk0Les9MtF0gCK3JiWd987JQi97dMSxBOzVoLZXCNtxFckVqt1h8xuI1ix01t+iMY4h4rFMj/303g==",
+      "dev": true
+    },
+    "@typescript-eslint/typescript-estree": {
+      "version": "4.5.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-4.5.0.tgz",
+      "integrity": "sha512-gN1mffq3zwRAjlYWzb5DanarOPdajQwx5MEWkWCk0XvqC8JpafDTeioDoow2L4CA/RkYZu7xEsGZRhqrTsAG8w==",
+      "dev": true,
+      "requires": {
+        "@typescript-eslint/types": "4.5.0",
+        "@typescript-eslint/visitor-keys": "4.5.0",
+        "debug": "^4.1.1",
+        "globby": "^11.0.1",
+        "is-glob": "^4.0.1",
+        "lodash": "^4.17.15",
+        "semver": "^7.3.2",
+        "tsutils": "^3.17.1"
+      },
+      "dependencies": {
+        "semver": {
+          "version": "7.3.2",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.2.tgz",
+          "integrity": "sha512-OrOb32TeeambH6UrhtShmF7CRDqhL6/5XpPNp2DuRH6+9QLw/orhp72j87v8Qa1ScDkvrrBNpZcDejAirJmfXQ==",
+          "dev": true
+        }
+      }
+    },
+    "@typescript-eslint/visitor-keys": {
+      "version": "4.5.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-4.5.0.tgz",
+      "integrity": "sha512-UHq4FSa55NDZqscRU//O5ROFhHa9Hqn9KWTEvJGTArtTQp5GKv9Zqf6d/Q3YXXcFv4woyBml7fJQlQ+OuqRcHA==",
+      "dev": true,
+      "requires": {
+        "@typescript-eslint/types": "4.5.0",
+        "eslint-visitor-keys": "^2.0.0"
+      },
+      "dependencies": {
+        "eslint-visitor-keys": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-2.0.0.tgz",
+          "integrity": "sha512-QudtT6av5WXels9WjIM7qz1XD1cWGvX4gGXvp/zBn9nXG02D0utdU3Em2m/QjTnrsk6bBjmCygl3rmj118msQQ==",
+          "dev": true
+        }
+      }
+    },
     "@webassemblyjs/ast": {
       "version": "1.9.0",
       "resolved": "https://registry.npmjs.org/@webassemblyjs/ast/-/ast-1.9.0.tgz",
@@ -1644,6 +1753,12 @@
         "is-string": "^1.0.5"
       }
     },
+    "array-union": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/array-union/-/array-union-2.1.0.tgz",
+      "integrity": "sha512-HGyxoOTYUyCM6stUe6EJgnd4EoewAI7zMdfqO+kGjnlZmBDz/cR5pf8r/cR4Wq60sL/p0IkcjUEEPwS3GFrIyw==",
+      "dev": true
+    },
     "array-unique": {
       "version": "0.3.2",
       "resolved": "https://registry.npmjs.org/array-unique/-/array-unique-0.3.2.tgz",
@@ -2708,8 +2823,8 @@
     "cvat-data": {
       "version": "file:../cvat-data",
       "requires": {
-        "async-mutex": "^0.1.4",
-        "jszip": "3.1.5"
+        "async-mutex": "^0.2.4",
+        "jszip": "3.5.0"
       },
       "dependencies": {
         "@babel/cli": {
@@ -9429,6 +9544,23 @@
         }
       }
     },
+    "debug": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.2.0.tgz",
+      "integrity": "sha512-IX2ncY78vDTjZMFUdmsvIRFY2Cf4FnD0wRs+nQwJU8Lu99/tPFdb0VybiiMTPe3I6rQmwsqQqRBvxU+bZ/I8sg==",
+      "dev": true,
+      "requires": {
+        "ms": "2.1.2"
+      },
+      "dependencies": {
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
+          "dev": true
+        }
+      }
+    },
     "decamelize": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/decamelize/-/decamelize-1.2.0.tgz",
@@ -9544,6 +9676,23 @@
         }
       }
     },
+    "dir-glob": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/dir-glob/-/dir-glob-3.0.1.tgz",
+      "integrity": "sha512-WkrWp9GR4KXfKGYzOLmTuGVi1UWFfws377n9cc55/tb6DuqyF6pcQ5AbiHEshaDpY9v6oaSr2XCDidGmMwdzIA==",
+      "dev": true,
+      "requires": {
+        "path-type": "^4.0.0"
+      },
+      "dependencies": {
+        "path-type": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/path-type/-/path-type-4.0.0.tgz",
+          "integrity": "sha512-gDKb8aZMDeD/tZWs9P6+q0J9Mwkdl6xMV8TjnGP3qJVJ06bdMgkbBlLU8IdfOsIsFz2BW1rNVT3XuNEl8zPAvw==",
+          "dev": true
+        }
+      }
+    },
     "doctrine": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-3.0.0.tgz",
@@ -10165,6 +10314,15 @@
         }
       }
     },
+    "eslint-plugin-jest": {
+      "version": "24.1.0",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-jest/-/eslint-plugin-jest-24.1.0.tgz",
+      "integrity": "sha512-827YJ+E8B9PvXu/0eiVSNFfxxndbKv+qE/3GSMhdorCaeaOehtqHGX2YDW9B85TEOre9n/zscledkFW/KbnyGg==",
+      "dev": true,
+      "requires": {
+        "@typescript-eslint/experimental-utils": "^4.0.1"
+      }
+    },
     "eslint-plugin-no-unsafe-innerhtml": {
       "version": "1.0.16",
       "resolved": "https://registry.npmjs.org/eslint-plugin-no-unsafe-innerhtml/-/eslint-plugin-no-unsafe-innerhtml-1.0.16.tgz",
@@ -10858,6 +11016,74 @@
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       "integrity": "sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q=="
     },
+    "fast-glob": {
+      "version": "3.2.4",
+      "resolved": "https://registry.npmjs.org/fast-glob/-/fast-glob-3.2.4.tgz",
+      "integrity": "sha512-kr/Oo6PX51265qeuCYsyGypiO5uJFgBS0jksyG7FUeCyQzNwYnzrNIMR1NXfkZXsMYXYLRAHgISHBz8gQcxKHQ==",
+      "dev": true,
+      "requires": {
+        "@nodelib/fs.stat": "^2.0.2",
+        "@nodelib/fs.walk": "^1.2.3",
+        "glob-parent": "^5.1.0",
+        "merge2": "^1.3.0",
+        "micromatch": "^4.0.2",
+        "picomatch": "^2.2.1"
+      },
+      "dependencies": {
+        "braces": {
+          "version": "3.0.2",
+          "resolved": "https://registry.npmjs.org/braces/-/braces-3.0.2.tgz",
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+          "dev": true,
+          "requires": {
+            "fill-range": "^7.0.1"
+          }
+        },
+        "fill-range": {
+          "version": "7.0.1",
+          "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.0.1.tgz",
+          "integrity": "sha512-qOo9F+dMUmC2Lcb4BbVvnKJxTPjCm+RRpe4gDuGrzkL7mEVl/djYSu2OdQ2Pa302N4oqkSg9ir6jaLWJ2USVpQ==",
+          "dev": true,
+          "requires": {
+            "to-regex-range": "^5.0.1"
+          }
+        },
+        "glob-parent": {
+          "version": "5.1.1",
+          "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-5.1.1.tgz",
+          "integrity": "sha512-FnI+VGOpnlGHWZxthPGR+QhR78fuiK0sNLkHQv+bL9fQi57lNNdquIbna/WrfROrolq8GK5Ek6BiMwqL/voRYQ==",
+          "dev": true,
+          "requires": {
+            "is-glob": "^4.0.1"
+          }
+        },
+        "is-number": {
+          "version": "7.0.0",
+          "resolved": "https://registry.npmjs.org/is-number/-/is-number-7.0.0.tgz",
+          "integrity": "sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng==",
+          "dev": true
+        },
+        "micromatch": {
+          "version": "4.0.2",
+          "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.2.tgz",
+          "integrity": "sha512-y7FpHSbMUMoyPbYUSzO6PaZ6FyRnQOpHuKwbo1G+Knck95XVU4QAiKdGEnj5wwoS7PlOgthX/09u5iFJ+aYf5Q==",
+          "dev": true,
+          "requires": {
+            "braces": "^3.0.1",
+            "picomatch": "^2.0.5"
+          }
+        },
+        "to-regex-range": {
+          "version": "5.0.1",
+          "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
+          "integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==",
+          "dev": true,
+          "requires": {
+            "is-number": "^7.0.0"
+          }
+        }
+      }
+    },
     "fast-json-stable-stringify": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz",
@@ -10868,6 +11094,15 @@
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       "integrity": "sha1-PYpcZog6FqMMqGQ+hR8Zuqd5eRc="
     },
+    "fastq": {
+      "version": "1.8.0",
+      "resolved": "https://registry.npmjs.org/fastq/-/fastq-1.8.0.tgz",
+      "integrity": "sha512-SMIZoZdLh/fgofivvIkmknUXyPnvxRE3DhtZ5Me3Mrsk5gyPL42F0xr51TdRXskBxHfMp+07bcYzfsYEsSQA9Q==",
+      "dev": true,
+      "requires": {
+        "reusify": "^1.0.4"
+      }
+    },
     "fb-watchman": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/fb-watchman/-/fb-watchman-2.0.1.tgz",
@@ -11197,6 +11432,34 @@
       "resolved": "https://registry.npmjs.org/globals/-/globals-11.12.0.tgz",
       "integrity": "sha512-WOBp/EEGUiIsJSp7wcv/y6MO+lV9UoncWqxuFfm8eBwzWNgyfBd6Gz+IeKQ9jCmyhoH99g15M3T+QaVHFjizVA=="
     },
+    "globby": {
+      "version": "11.0.1",
+      "resolved": "https://registry.npmjs.org/globby/-/globby-11.0.1.tgz",
+      "integrity": "sha512-iH9RmgwCmUJHi2z5o2l3eTtGBtXek1OYlHrbcxOYugyHLmAsZrPj43OtHThd62Buh/Vv6VyCBD2bdyWcGNQqoQ==",
+      "dev": true,
+      "requires": {
+        "array-union": "^2.1.0",
+        "dir-glob": "^3.0.1",
+        "fast-glob": "^3.1.1",
+        "ignore": "^5.1.4",
+        "merge2": "^1.3.0",
+        "slash": "^3.0.0"
+      },
+      "dependencies": {
+        "ignore": {
+          "version": "5.1.8",
+          "resolved": "https://registry.npmjs.org/ignore/-/ignore-5.1.8.tgz",
+          "integrity": "sha512-BMpfD7PpiETpBl/A6S498BaIJ6Y/ABT93ETbby2fP00v4EbvPBXWEoaR1UBPKs3iR53pJY7EtZk5KACI57i1Uw==",
+          "dev": true
+        },
+        "slash": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/slash/-/slash-3.0.0.tgz",
+          "integrity": "sha512-g9Q1haeby36OSStwb4ntCGGGaKsaVSjQ68fBxoQcutl5fS1vuY18H3wSt3jFyFtrkx+Kz0V1G85A4MyAdDMi2Q==",
+          "dev": true
+        }
+      }
+    },
     "graceful-fs": {
       "version": "4.2.4",
       "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.4.tgz",
@@ -12743,6 +13006,12 @@
       "resolved": "https://registry.npmjs.org/merge-stream/-/merge-stream-2.0.0.tgz",
       "integrity": "sha512-abv/qOcuPfk3URPfDzmZU1LKmuw8kT+0nIHvKrKgFrwifol/doWcdA4ZqsWQ8ENrFKkd67Mfpo/LovbIUsbt3w=="
     },
+    "merge2": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/merge2/-/merge2-1.4.1.tgz",
+      "integrity": "sha512-8q7VEgMJW4J8tcfVPy8g09NcQwZdbwFEqhe/WZkoIzjn/3TGDwtOCYtXGxA3O8tPzpczCCDgv+P2P5y00ZJOOg==",
+      "dev": true
+    },
     "micromatch": {
       "version": "3.1.10",
       "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-3.1.10.tgz",
@@ -13383,8 +13652,7 @@
       "version": "2.2.2",
       "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.2.2.tgz",
       "integrity": "sha512-q0M/9eZHzmr0AulXyPwNfZjtwZ/RBZlbN3K3CErVrk50T2ASYI7Bye0EvekFY3IP1Nt2DHu0re+V2ZHIpMkuWg==",
-      "dev": true,
-      "optional": true
+      "dev": true
     },
     "pify": {
       "version": "3.0.0",
@@ -13946,6 +14214,12 @@
       "resolved": "https://registry.npmjs.org/ret/-/ret-0.1.15.tgz",
       "integrity": "sha512-TTlYpa+OL+vMMNG24xSlQGEJ3B/RzEfUlLct7b5G/ytav+wPrplCpVMFuwzXbkecJrb6IYo1iFb0S9v37754mg=="
     },
+    "reusify": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/reusify/-/reusify-1.0.4.tgz",
+      "integrity": "sha512-U9nH88a3fc/ekCF1l0/UP1IosiuIjyTh7hBvXVMHYgVcfGvt897Xguj2UOLDeI5BG2m7/uwyaLVT6fbtCwTyzw==",
+      "dev": true
+    },
     "rimraf": {
       "version": "2.6.3",
       "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.6.3.tgz",
@@ -13976,6 +14250,12 @@
       "integrity": "sha512-tvVnVv01b8c1RrA6Ep7JkStj85Guv/YrMcwqYQnwjsAS2cTmmPGBBjAjpCW7RrSodNSoE2/qg9O4bceNvUuDgQ==",
       "dev": true
     },
+    "run-parallel": {
+      "version": "1.1.9",
+      "resolved": "https://registry.npmjs.org/run-parallel/-/run-parallel-1.1.9.tgz",
+      "integrity": "sha512-DEqnSRTDw/Tc3FXf49zedI638Z9onwUotBMiUFKmrO2sdFKIbXamXGQ3Axd4qgphxKB4kw/qP1w5kTxnfU1B9Q==",
+      "dev": true
+    },
     "run-queue": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/run-queue/-/run-queue-1.0.3.tgz",
@@ -14792,6 +15072,15 @@
       "integrity": "sha512-i/6DQjL8Xf3be4K/E6Wgpekn5Qasl1usyw++dAA35Ue5orEn65VIxOA+YvNNl9HV3qv70T7CNwjODHZrLwvd1Q==",
       "dev": true
     },
+    "tsutils": {
+      "version": "3.17.1",
+      "resolved": "https://registry.npmjs.org/tsutils/-/tsutils-3.17.1.tgz",
+      "integrity": "sha512-kzeQ5B8H3w60nFY2g8cJIuH7JDpsALXySGtwGJ0p2LSjLgay3NdIpqq5SoOBe46bKDW2iq25irHCr8wjomUS2g==",
+      "dev": true,
+      "requires": {
+        "tslib": "^1.8.1"
+      }
+    },
     "tty-browserify": {
       "version": "0.0.0",
       "resolved": "https://registry.npmjs.org/tty-browserify/-/tty-browserify-0.0.0.tgz",
diff --git a/cvat-core/package.json b/cvat-core/package.json
index a74765e0..ece057ac 100644
--- a/cvat-core/package.json
+++ b/cvat-core/package.json
@@ -25,6 +25,7 @@
     "eslint-plugin-no-unsafe-innerhtml": "^1.0.16",
     "eslint-plugin-no-unsanitized": "^3.0.2",
     "eslint-plugin-security": "^1.4.0",
+    "eslint-plugin-jest": "^24.1.0",
     "jest": "^24.8.0",
     "jest-junit": "^6.4.0",
     "jsdoc": "^3.6.4",
diff --git a/cvat-core/src/annotation-formats.js b/cvat-core/src/annotation-formats.js
index 70de8ce7..795c9863 100644
--- a/cvat-core/src/annotation-formats.js
+++ b/cvat-core/src/annotation-formats.js
@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Intel Corporation
+// Copyright (C) 2019-2020 Intel Corporation
 //
 // SPDX-License-Identifier: MIT
 
diff --git a/cvat-core/src/annotations-collection.js b/cvat-core/src/annotations-collection.js
index 675bbcb2..db0c7fef 100644
--- a/cvat-core/src/annotations-collection.js
+++ b/cvat-core/src/annotations-collection.js
@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Intel Corporation
+// Copyright (C) 2019-2020 Intel Corporation
 //
 // SPDX-License-Identifier: MIT
 
@@ -25,7 +25,9 @@
     const { Label } = require('./labels');
     const { DataError, ArgumentError, ScriptingError } = require('./exceptions');
 
-    const { HistoryActions, ObjectShape, ObjectType, colors } = require('./enums');
+    const {
+        HistoryActions, ObjectShape, ObjectType, colors,
+    } = require('./enums');
     const ObjectState = require('./object-state');
 
     function shapeFactory(shapeData, clientID, injection) {
@@ -34,23 +36,23 @@
 
         let shapeModel = null;
         switch (type) {
-            case 'rectangle':
-                shapeModel = new RectangleShape(shapeData, clientID, color, injection);
-                break;
-            case 'polygon':
-                shapeModel = new PolygonShape(shapeData, clientID, color, injection);
-                break;
-            case 'polyline':
-                shapeModel = new PolylineShape(shapeData, clientID, color, injection);
-                break;
-            case 'points':
-                shapeModel = new PointsShape(shapeData, clientID, color, injection);
-                break;
-            case 'cuboid':
-                shapeModel = new CuboidShape(shapeData, clientID, color, injection);
-                break;
-            default:
-                throw new DataError(`An unexpected type of shape "${type}"`);
+        case 'rectangle':
+            shapeModel = new RectangleShape(shapeData, clientID, color, injection);
+            break;
+        case 'polygon':
+            shapeModel = new PolygonShape(shapeData, clientID, color, injection);
+            break;
+        case 'polyline':
+            shapeModel = new PolylineShape(shapeData, clientID, color, injection);
+            break;
+        case 'points':
+            shapeModel = new PointsShape(shapeData, clientID, color, injection);
+            break;
+        case 'cuboid':
+            shapeModel = new CuboidShape(shapeData, clientID, color, injection);
+            break;
+        default:
+            throw new DataError(`An unexpected type of shape "${type}"`);
         }
 
         return shapeModel;
@@ -63,23 +65,23 @@
 
             let trackModel = null;
             switch (type) {
-                case 'rectangle':
-                    trackModel = new RectangleTrack(trackData, clientID, color, injection);
-                    break;
-                case 'polygon':
-                    trackModel = new PolygonTrack(trackData, clientID, color, injection);
-                    break;
-                case 'polyline':
-                    trackModel = new PolylineTrack(trackData, clientID, color, injection);
-                    break;
-                case 'points':
-                    trackModel = new PointsTrack(trackData, clientID, color, injection);
-                    break;
-                case 'cuboid':
-                    trackModel = new CuboidTrack(trackData, clientID, color, injection);
-                    break;
-                default:
-                    throw new DataError(`An unexpected type of track "${type}"`);
+            case 'rectangle':
+                trackModel = new RectangleTrack(trackData, clientID, color, injection);
+                break;
+            case 'polygon':
+                trackModel = new PolygonTrack(trackData, clientID, color, injection);
+                break;
+            case 'polyline':
+                trackModel = new PolylineTrack(trackData, clientID, color, injection);
+                break;
+            case 'points':
+                trackModel = new PointsTrack(trackData, clientID, color, injection);
+                break;
+            case 'cuboid':
+                trackModel = new CuboidTrack(trackData, clientID, color, injection);
+                break;
+            default:
+                throw new DataError(`An unexpected type of track "${type}"`);
             }
 
             return trackModel;
@@ -340,20 +342,20 @@
                             zOrder: shape.zOrder,
                             attributes: updatedAttributes
                                 ? Object.keys(attributes).reduce((accumulator, attrID) => {
-                                      accumulator.push({
-                                          spec_id: +attrID,
-                                          value: attributes[attrID],
-                                      });
+                                    accumulator.push({
+                                        spec_id: +attrID,
+                                        value: attributes[attrID],
+                                    });
 
-                                      return accumulator;
-                                  }, [])
+                                    return accumulator;
+                                }, [])
                                 : [],
                         };
                     }
                 } else {
                     throw new ArgumentError(
-                        `Trying to merge unknown object type: ${object.constructor.name}. ` +
-                            'Only shapes and tracks are expected.',
+                        `Trying to merge unknown object type: ${object.constructor.name}. `
+                            + 'Only shapes and tracks are expected.',
                     );
                 }
             }
diff --git a/cvat-core/src/annotations-history.js b/cvat-core/src/annotations-history.js
index a9a684e4..5cb5ffb8 100644
--- a/cvat-core/src/annotations-history.js
+++ b/cvat-core/src/annotations-history.js
@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Intel Corporation
+// Copyright (C) 2019-2020 Intel Corporation
 //
 // SPDX-License-Identifier: MIT
 
diff --git a/cvat-core/src/annotations-objects.js b/cvat-core/src/annotations-objects.js
index 537f6702..7f5910e4 100644
--- a/cvat-core/src/annotations-objects.js
+++ b/cvat-core/src/annotations-objects.js
@@ -1,11 +1,13 @@
-// Copyright (C) 2020 Intel Corporation
+// Copyright (C) 2019-2020 Intel Corporation
 //
 // SPDX-License-Identifier: MIT
 
 (() => {
     const ObjectState = require('./object-state');
     const { checkObjectType } = require('./common');
-    const { colors, Source, ObjectShape, ObjectType, AttributeType, HistoryActions } = require('./enums');
+    const {
+        colors, Source, ObjectShape, ObjectType, AttributeType, HistoryActions,
+    } = require('./enums');
 
     const { DataError, ArgumentError, ScriptingError } = require('./exceptions');
 
@@ -383,17 +385,16 @@
         }
 
         updateTimestamp(updated) {
-            const anyChanges =
-                updated.label ||
-                updated.attributes ||
-                updated.points ||
-                updated.outside ||
-                updated.occluded ||
-                updated.keyframe ||
-                updated.zOrder ||
-                updated.hidden ||
-                updated.lock ||
-                updated.pinned;
+            const anyChanges = updated.label
+                || updated.attributes
+                || updated.points
+                || updated.outside
+                || updated.occluded
+                || updated.keyframe
+                || updated.zOrder
+                || updated.hidden
+                || updated.lock
+                || updated.pinned;
 
             if (anyChanges) {
                 this.updated = Date.now();
@@ -735,7 +736,9 @@
 
         // Method is used to construct ObjectState objects
         get(frame) {
-            const { prev, next, first, last } = this.boundedKeyframes(frame);
+            const {
+                prev, next, first, last,
+            } = this.boundedKeyframes(frame);
 
             return {
                 ...this.getPosition(frame, prev, next),
@@ -890,14 +893,13 @@
                 if (!labelAttributes[attrID].mutable) {
                     redoAttributes[attrID] = attributes[attrID];
                 } else if (attributes[attrID] !== current.attributes[attrID]) {
-                    mutableAttributesUpdated =
-                        mutableAttributesUpdated ||
+                    mutableAttributesUpdated = mutableAttributesUpdated
                         // not keyframe yet
-                        !(frame in this.shapes) ||
+                        || !(frame in this.shapes)
                         // keyframe, but without this attrID
-                        !(attrID in this.shapes[frame].attributes) ||
+                        || !(attrID in this.shapes[frame].attributes)
                         // keyframe with attrID, but with another value
-                        this.shapes[frame].attributes[attrID] !== attributes[attrID];
+                        || this.shapes[frame].attributes[attrID] !== attributes[attrID];
                 }
             }
             let redoShape;
@@ -990,13 +992,13 @@
             const redoShape = wasKeyframe
                 ? { ...this.shapes[frame], points }
                 : {
-                      frame,
-                      points,
-                      zOrder: current.zOrder,
-                      outside: current.outside,
-                      occluded: current.occluded,
-                      attributes: {},
-                  };
+                    frame,
+                    points,
+                    zOrder: current.zOrder,
+                    outside: current.outside,
+                    occluded: current.occluded,
+                    attributes: {},
+                };
 
             this.shapes[frame] = redoShape;
             this.source = Source.MANUAL;
@@ -1019,13 +1021,13 @@
             const redoShape = wasKeyframe
                 ? { ...this.shapes[frame], outside }
                 : {
-                      frame,
-                      outside,
-                      zOrder: current.zOrder,
-                      points: current.points,
-                      occluded: current.occluded,
-                      attributes: {},
-                  };
+                    frame,
+                    outside,
+                    zOrder: current.zOrder,
+                    points: current.points,
+                    occluded: current.occluded,
+                    attributes: {},
+                };
 
             this.shapes[frame] = redoShape;
             this.source = Source.MANUAL;
@@ -1048,13 +1050,13 @@
             const redoShape = wasKeyframe
                 ? { ...this.shapes[frame], occluded }
                 : {
-                      frame,
-                      occluded,
-                      zOrder: current.zOrder,
-                      points: current.points,
-                      outside: current.outside,
-                      attributes: {},
-                  };
+                    frame,
+                    occluded,
+                    zOrder: current.zOrder,
+                    points: current.points,
+                    outside: current.outside,
+                    attributes: {},
+                };
 
             this.shapes[frame] = redoShape;
             this.source = Source.MANUAL;
@@ -1077,13 +1079,13 @@
             const redoShape = wasKeyframe
                 ? { ...this.shapes[frame], zOrder }
                 : {
-                      frame,
-                      zOrder,
-                      occluded: current.occluded,
-                      points: current.points,
-                      outside: current.outside,
-                      attributes: {},
-                  };
+                    frame,
+                    zOrder,
+                    occluded: current.occluded,
+                    points: current.points,
+                    outside: current.outside,
+                    attributes: {},
+                };
 
             this.shapes[frame] = redoShape;
             this.source = Source.MANUAL;
@@ -1110,14 +1112,14 @@
             const undoShape = wasKeyframe ? this.shapes[frame] : undefined;
             const redoShape = keyframe
                 ? {
-                      frame,
-                      zOrder: current.zOrder,
-                      points: current.points,
-                      outside: current.outside,
-                      occluded: current.occluded,
-                      attributes: {},
-                      source: current.source,
-                  }
+                    frame,
+                    zOrder: current.zOrder,
+                    points: current.points,
+                    outside: current.outside,
+                    occluded: current.occluded,
+                    attributes: {},
+                    source: current.source,
+                }
                 : undefined;
 
             this.source = Source.MANUAL;
@@ -1232,8 +1234,8 @@
             }
 
             throw new DataError(
-                'No one left position or right position was found. ' +
-                    `Interpolation impossible. Client ID: ${this.clientID}`,
+                'No one left position or right position was found. '
+                    + `Interpolation impossible. Client ID: ${this.clientID}`,
             );
         }
     }
@@ -1441,8 +1443,8 @@
                     // Find the length of a perpendicular
                     // https://en.wikipedia.org/wiki/Distance_from_a_point_to_a_line
                     distances.push(
-                        Math.abs((y2 - y1) * x - (x2 - x1) * y + x2 * y1 - y2 * x1) /
-                            Math.sqrt(Math.pow(y2 - y1, 2) + Math.pow(x2 - x1, 2)),
+                        Math.abs((y2 - y1) * x - (x2 - x1) * y + x2 * y1 - y2 * x1)
+                            / Math.sqrt(Math.pow(y2 - y1, 2) + Math.pow(x2 - x1, 2)),
                     );
                 } else {
                     // The link below works for lines (which have infinit length)
@@ -1526,12 +1528,11 @@
                 lowerHull.pop();
 
                 if (
-                    upperHull.length === 1 &&
-                    lowerHull.length === 1 &&
-                    upperHull[0].x === lowerHull[0].x &&
-                    upperHull[0].y === lowerHull[0].y
-                )
-                    return upperHull;
+                    upperHull.length === 1
+                    && lowerHull.length === 1
+                    && upperHull[0].x === lowerHull[0].x
+                    && upperHull[0].y === lowerHull[0].y
+                ) return upperHull;
                 return upperHull.concat(lowerHull);
             }
 
@@ -1589,9 +1590,8 @@
                 const p2 = points[i + 1] || points[0];
 
                 // perpendicular from point to straight length
-                const distance =
-                    Math.abs((p2.y - p1.y) * x - (p2.x - p1.x) * y + p2.x * p1.y - p2.y * p1.x) /
-                    Math.sqrt(Math.pow(p2.y - p1.y, 2) + Math.pow(p2.x - p1.x, 2));
+                const distance = Math.abs((p2.y - p1.y) * x - (p2.x - p1.x) * y + p2.x * p1.y - p2.y * p1.x)
+                    / Math.sqrt(Math.pow(p2.y - p1.y, 2) + Math.pow(p2.x - p1.x, 2));
 
                 // check if perpendicular belongs to the straight segment
                 const a = Math.pow(p1.x - x, 2) + Math.pow(p1.y - y, 2);
diff --git a/cvat-core/src/annotations-saver.js b/cvat-core/src/annotations-saver.js
index 054f5e3c..92c01500 100644
--- a/cvat-core/src/annotations-saver.js
+++ b/cvat-core/src/annotations-saver.js
@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Intel Corporation
+// Copyright (C) 2019-2020 Intel Corporation
 //
 // SPDX-License-Identifier: MIT
 
diff --git a/cvat-core/src/annotations.js b/cvat-core/src/annotations.js
index 94ad5cde..991ee33e 100644
--- a/cvat-core/src/annotations.js
+++ b/cvat-core/src/annotations.js
@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Intel Corporation
+// Copyright (C) 2019-2020 Intel Corporation
 //
 // SPDX-License-Identifier: MIT
 
diff --git a/cvat-core/src/api-implementation.js b/cvat-core/src/api-implementation.js
index 18de1a59..0766fb79 100644
--- a/cvat-core/src/api-implementation.js
+++ b/cvat-core/src/api-implementation.js
@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Intel Corporation
+// Copyright (C) 2019-2020 Intel Corporation
 //
 // SPDX-License-Identifier: MIT
 
@@ -6,7 +6,9 @@
     const PluginRegistry = require('./plugins');
     const serverProxy = require('./server-proxy');
     const lambdaManager = require('./lambda-manager');
-    const { isBoolean, isInteger, isEnum, isString, checkFilter } = require('./common');
+    const {
+        isBoolean, isInteger, isEnum, isString, checkFilter,
+    } = require('./common');
 
     const { TaskStatus, TaskMode } = require('./enums');
 
diff --git a/cvat-core/src/api.js b/cvat-core/src/api.js
index 522fd946..db330f62 100644
--- a/cvat-core/src/api.js
+++ b/cvat-core/src/api.js
@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Intel Corporation
+// Copyright (C) 2019-2020 Intel Corporation
 //
 // SPDX-License-Identifier: MIT
 
@@ -31,7 +31,9 @@ function build() {
         Source,
     } = require('./enums');
 
-    const { Exception, ArgumentError, DataError, ScriptingError, PluginError, ServerError } = require('./exceptions');
+    const {
+        Exception, ArgumentError, DataError, ScriptingError, PluginError, ServerError,
+    } = require('./exceptions');
 
     const User = require('./user');
     const pjson = require('../package.json');
diff --git a/cvat-core/src/common.js b/cvat-core/src/common.js
index d3e4bcbb..7f0d1ad0 100644
--- a/cvat-core/src/common.js
+++ b/cvat-core/src/common.js
@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Intel Corporation
+// Copyright (C) 2019-2020 Intel Corporation
 //
 // SPDX-License-Identifier: MIT
 
@@ -56,8 +56,8 @@
             if (!(value instanceof instance)) {
                 if (value !== undefined) {
                     throw new ArgumentError(
-                        `"${name}" is expected to be ${instance.name}, but ` +
-                            `"${value.constructor.name}" has been got`,
+                        `"${name}" is expected to be ${instance.name}, but `
+                            + `"${value.constructor.name}" has been got`,
                     );
                 }
 
diff --git a/cvat-core/src/config.js b/cvat-core/src/config.js
index b8ea5dc9..93d95779 100644
--- a/cvat-core/src/config.js
+++ b/cvat-core/src/config.js
@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Intel Corporation
+// Copyright (C) 2019-2020 Intel Corporation
 //
 // SPDX-License-Identifier: MIT
 
diff --git a/cvat-core/src/download.worker.js b/cvat-core/src/download.worker.js
index 957f6d51..027ba87a 100644
--- a/cvat-core/src/download.worker.js
+++ b/cvat-core/src/download.worker.js
@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Intel Corporation
+// Copyright (C) 2019-2020 Intel Corporation
 //
 // SPDX-License-Identifier: MIT
 
diff --git a/cvat-core/src/enums.js b/cvat-core/src/enums.js
index b91d6000..df1d8773 100644
--- a/cvat-core/src/enums.js
+++ b/cvat-core/src/enums.js
@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Intel Corporation
+// Copyright (C) 2019-2020 Intel Corporation
 //
 // SPDX-License-Identifier: MIT
 
diff --git a/cvat-core/src/exceptions.js b/cvat-core/src/exceptions.js
index ec62b8dc..8511b32d 100644
--- a/cvat-core/src/exceptions.js
+++ b/cvat-core/src/exceptions.js
@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Intel Corporation
+// Copyright (C) 2019-2020 Intel Corporation
 //
 // SPDX-License-Identifier: MIT
 
diff --git a/cvat-core/src/frames.js b/cvat-core/src/frames.js
index 6f7e1f5c..add59ff6 100644
--- a/cvat-core/src/frames.js
+++ b/cvat-core/src/frames.js
@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Intel Corporation
+// Copyright (C) 2019-2020 Intel Corporation
 //
 // SPDX-License-Identifier: MIT
 
@@ -18,7 +18,9 @@
      * @hideconstructor
      */
     class FrameData {
-        constructor({ width, height, name, taskID, frameNumber, startFrame, stopFrame, decodeForward }) {
+        constructor({
+            width, height, name, taskID, frameNumber, startFrame, stopFrame, decodeForward,
+        }) {
             Object.defineProperties(
                 this,
                 Object.freeze({
@@ -128,8 +130,8 @@
 
             const onDecodeAll = async (frameNumber) => {
                 if (
-                    frameDataCache[this.tid].activeChunkRequest &&
-                    chunkNumber === frameDataCache[this.tid].activeChunkRequest.chunkNumber
+                    frameDataCache[this.tid].activeChunkRequest
+                    && chunkNumber === frameDataCache[this.tid].activeChunkRequest.chunkNumber
                 ) {
                     const callbackArray = frameDataCache[this.tid].activeChunkRequest.callbacks;
                     for (let i = callbackArray.length - 1; i >= 0; --i) {
@@ -147,8 +149,8 @@
 
             const rejectRequestAll = () => {
                 if (
-                    frameDataCache[this.tid].activeChunkRequest &&
-                    chunkNumber === frameDataCache[this.tid].activeChunkRequest.chunkNumber
+                    frameDataCache[this.tid].activeChunkRequest
+                    && chunkNumber === frameDataCache[this.tid].activeChunkRequest.chunkNumber
                 ) {
                     for (const r of frameDataCache[this.tid].activeChunkRequest.callbacks) {
                         r.reject(r.frameNumber);
@@ -206,10 +208,10 @@
                             const activeRequest = frameDataCache[this.tid].activeChunkRequest;
                             if (!provider.isChunkCached(start, stop)) {
                                 if (
-                                    !activeRequest ||
-                                    (activeRequest &&
-                                        activeRequest.completed &&
-                                        activeRequest.chunkNumber !== chunkNumber)
+                                    !activeRequest
+                                    || (activeRequest
+                                        && activeRequest.completed
+                                        && activeRequest.chunkNumber !== chunkNumber)
                                 ) {
                                     if (activeRequest && activeRequest.rejectRequestAll) {
                                         activeRequest.rejectRequestAll();
@@ -275,10 +277,10 @@
                             }
                         } else {
                             if (
-                                this.number % chunkSize > chunkSize / 4 &&
-                                provider.decodedBlocksCacheSize > 1 &&
-                                this.decodeForward &&
-                                !provider.isNextChunkExists(this.number)
+                                this.number % chunkSize > chunkSize / 4
+                                && provider.decodedBlocksCacheSize > 1
+                                && this.decodeForward
+                                && !provider.isNextChunkExists(this.number)
                             ) {
                                 const nextChunkNumber = Math.floor(this.number / chunkSize) + 1;
                                 if (nextChunkNumber * chunkSize < this.stopFrame) {
@@ -378,8 +380,8 @@
                         .data()
                         .then(() => {
                             if (
-                                !(chunkIdx in this._requestedChunks) ||
-                                !this._requestedChunks[chunkIdx].requestedFrames.has(requestedFrame)
+                                !(chunkIdx in this._requestedChunks)
+                                || !this._requestedChunks[chunkIdx].requestedFrames.has(requestedFrame)
                             ) {
                                 reject(chunkIdx);
                             } else {
@@ -488,10 +490,10 @@
                 delete this._buffer[frameNumber];
                 const cachedFrames = this.cachedFrames();
                 if (
-                    fillBuffer &&
-                    !this._activeFillBufferRequest &&
-                    this._size > this._chunkSize &&
-                    cachedFrames.length < (this._size * 3) / 4
+                    fillBuffer
+                    && !this._activeFillBufferRequest
+                    && this._size > this._chunkSize
+                    && cachedFrames.length < (this._size * 3) / 4
                 ) {
                     const maxFrame = cachedFrames ? Math.max(...cachedFrames) : frameNumber;
                     if (maxFrame < this._stopFrame) {
@@ -517,8 +519,8 @@
         clear() {
             for (const chunkIdx in this._requestedChunks) {
                 if (
-                    Object.prototype.hasOwnProperty.call(this._requestedChunks, chunkIdx) &&
-                    this._requestedChunks[chunkIdx].reject
+                    Object.prototype.hasOwnProperty.call(this._requestedChunks, chunkIdx)
+                    && this._requestedChunks[chunkIdx].reject
                 ) {
                     this._requestedChunks[chunkIdx].reject('not needed');
                 }
@@ -563,8 +565,8 @@
             const meta = await serverProxy.frames.getMeta(taskID);
             const mean = meta.frames.reduce((a, b) => a + b.width * b.height, 0) / meta.frames.length;
             const stdDev = Math.sqrt(
-                meta.frames.map((x) => Math.pow(x.width * x.height - mean, 2)).reduce((a, b) => a + b) /
-                    meta.frames.length,
+                meta.frames.map((x) => Math.pow(x.width * x.height - mean, 2)).reduce((a, b) => a + b)
+                    / meta.frames.length,
             );
 
             // limit of decoded frames cache by 2GB
diff --git a/cvat-core/src/labels.js b/cvat-core/src/labels.js
index aba1f46a..7daf84c6 100644
--- a/cvat-core/src/labels.js
+++ b/cvat-core/src/labels.js
@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Intel Corporation
+// Copyright (C) 2019-2020 Intel Corporation
 //
 // SPDX-License-Identifier: MIT
 
@@ -146,8 +146,8 @@
             data.attributes = [];
 
             if (
-                Object.prototype.hasOwnProperty.call(initialData, 'attributes') &&
-                Array.isArray(initialData.attributes)
+                Object.prototype.hasOwnProperty.call(initialData, 'attributes')
+                && Array.isArray(initialData.attributes)
             ) {
                 for (const attrData of initialData.attributes) {
                     data.attributes.push(new Attribute(attrData));
diff --git a/cvat-core/src/lambda-manager.js b/cvat-core/src/lambda-manager.js
index eb34ac38..921cd861 100644
--- a/cvat-core/src/lambda-manager.js
+++ b/cvat-core/src/lambda-manager.js
@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Intel Corporation
+// Copyright (C) 2019-2020 Intel Corporation
 //
 // SPDX-License-Identifier: MIT
 
diff --git a/cvat-core/src/log.js b/cvat-core/src/log.js
index a4d0a993..372ab040 100644
--- a/cvat-core/src/log.js
+++ b/cvat-core/src/log.js
@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Intel Corporation
+// Copyright (C) 2019-2020 Intel Corporation
 //
 // SPDX-License-Identifier: MIT
 
@@ -143,9 +143,9 @@ class LogWithWorkingTime extends Log {
         Log.prototype.validatePayload.call(this);
 
         if (
-            !('working_time' in this.payload) ||
-            !typeof this.payload.working_time === 'number' ||
-            this.payload.working_time < 0
+            !('working_time' in this.payload)
+            || !typeof this.payload.working_time === 'number'
+            || this.payload.working_time < 0
         ) {
             const message = `
                 The field "working_time" is required for ${this.type} log. It must be a number not less than 0
diff --git a/cvat-core/src/logger-storage.js b/cvat-core/src/logger-storage.js
index a0f9bf05..c922d6d8 100644
--- a/cvat-core/src/logger-storage.js
+++ b/cvat-core/src/logger-storage.js
@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Intel Corporation
+// Copyright (C) 2019-2020 Intel Corporation
 //
 // SPDX-License-Identifier: MIT
 
@@ -38,8 +38,8 @@ class LoggerStorage {
             lastLog: null,
             ignore(previousLog, currentPayload) {
                 return (
-                    currentPayload.object_id === previousLog.payload.object_id &&
-                    currentPayload.id === previousLog.payload.id
+                    currentPayload.object_id === previousLog.payload.object_id
+                    && currentPayload.id === previousLog.payload.id
                 );
             },
         };
diff --git a/cvat-core/src/ml-model.js b/cvat-core/src/ml-model.js
index a0ddbbbf..36016da8 100644
--- a/cvat-core/src/ml-model.js
+++ b/cvat-core/src/ml-model.js
@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Intel Corporation
+// Copyright (C) 2019-2020 Intel Corporation
 //
 // SPDX-License-Identifier: MIT
 
diff --git a/cvat-core/src/object-state.js b/cvat-core/src/object-state.js
index aa41f43b..8fb95292 100644
--- a/cvat-core/src/object-state.js
+++ b/cvat-core/src/object-state.js
@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Intel Corporation
+// Copyright (C) 2019-2020 Intel Corporation
 //
 // SPDX-License-Identifier: MIT
 
@@ -193,8 +193,8 @@ const { Source } = require('./enums');
                                 data.points = [...points];
                             } else {
                                 throw new ArgumentError(
-                                    'Points are expected to be an array ' +
-                                        `but got ${
+                                    'Points are expected to be an array '
+                                        + `but got ${
                                             typeof points === 'object' ? points.constructor.name : typeof points
                                         }`,
                                 );
@@ -338,8 +338,8 @@ const { Source } = require('./enums');
                         set: (attributes) => {
                             if (typeof attributes !== 'object') {
                                 throw new ArgumentError(
-                                    'Attributes are expected to be an object ' +
-                                        `but got ${
+                                    'Attributes are expected to be an object '
+                                        + `but got ${
                                             typeof attributes === 'object'
                                                 ? attributes.constructor.name
                                                 : typeof attributes
diff --git a/cvat-core/src/plugins.js b/cvat-core/src/plugins.js
index b1120b41..88d4ec83 100644
--- a/cvat-core/src/plugins.js
+++ b/cvat-core/src/plugins.js
@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Intel Corporation
+// Copyright (C) 2019-2020 Intel Corporation
 //
 // SPDX-License-Identifier: MIT
 
@@ -65,7 +65,7 @@
                 throw new PluginError('Plugin must not contain a "functions" field');
             }
 
-            (function traverse(plugin, api) {
+            function traverse(plugin, api) {
                 const decorator = {};
                 for (const key in plugin) {
                     if (Object.prototype.hasOwnProperty.call(plugin, key)) {
@@ -74,9 +74,9 @@
                                 traverse(plugin[key], api[key]);
                             }
                         } else if (
-                            ['enter', 'leave'].includes(key) &&
-                            typeof api === 'function' &&
-                            typeof (plugin[key] === 'function')
+                            ['enter', 'leave'].includes(key)
+                            && typeof api === 'function'
+                            && typeof (plugin[key] === 'function')
                         ) {
                             decorator.callback = api;
                             decorator[key] = plugin[key];
@@ -87,9 +87,9 @@
                 if (Object.keys(decorator).length) {
                     functions.push(decorator);
                 }
-            })(plug, {
-                cvat: this,
-            });
+            }
+
+            traverse(plug, { cvat: this });
 
             Object.defineProperty(plug, 'functions', {
                 value: functions,
diff --git a/cvat-core/src/server-proxy.js b/cvat-core/src/server-proxy.js
index 8c399300..aaea4dce 100644
--- a/cvat-core/src/server-proxy.js
+++ b/cvat-core/src/server-proxy.js
@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Intel Corporation
+// Copyright (C) 2019-2020 Intel Corporation
 //
 // SPDX-License-Identifier: MIT
 
diff --git a/cvat-core/src/session.js b/cvat-core/src/session.js
index bfcbf845..8c47fa43 100644
--- a/cvat-core/src/session.js
+++ b/cvat-core/src/session.js
@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Intel Corporation
+// Copyright (C) 2019-2020 Intel Corporation
 //
 // SPDX-License-Identifier: MIT
 
@@ -6,7 +6,9 @@
     const PluginRegistry = require('./plugins');
     const loggerStorage = require('./logger-storage');
     const serverProxy = require('./server-proxy');
-    const { getFrame, getRanges, getPreview, clear: clearFrames } = require('./frames');
+    const {
+        getFrame, getRanges, getPreview, clear: clearFrames,
+    } = require('./frames');
     const { ArgumentError } = require('./exceptions');
     const { TaskStatus } = require('./enums');
     const { Label } = require('./labels');
diff --git a/cvat-core/src/statistics.js b/cvat-core/src/statistics.js
index 02fe3259..b6ac87d1 100644
--- a/cvat-core/src/statistics.js
+++ b/cvat-core/src/statistics.js
@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Intel Corporation
+// Copyright (C) 2019-2020 Intel Corporation
 //
 // SPDX-License-Identifier: MIT
 
diff --git a/cvat-core/src/user.js b/cvat-core/src/user.js
index 6945f3e1..c0475d8e 100644
--- a/cvat-core/src/user.js
+++ b/cvat-core/src/user.js
@@ -1,4 +1,4 @@
-// Copyright (C) 2020 Intel Corporation
+// Copyright (C) 2019-2020 Intel Corporation
 //
 // SPDX-License-Identifier: MIT
 
diff --git a/cvat-data/.eslintrc.js b/cvat-data/.eslintrc.js
index d65a7d60..e0cb896f 100644
--- a/cvat-data/.eslintrc.js
+++ b/cvat-data/.eslintrc.js
@@ -3,13 +3,6 @@
 // SPDX-License-Identifier: MIT
 
 module.exports = {
-    env: {
-        node: false,
-        browser: true,
-        es6: true,
-        jquery: true,
-        qunit: true,
-    },
     parserOptions: {
         parser: 'babel-eslint',
         sourceType: 'module',
diff --git a/cvat-ui/.eslintrc.js b/cvat-ui/.eslintrc.js
index 7a4d21bf..07afdef1 100644
--- a/cvat-ui/.eslintrc.js
+++ b/cvat-ui/.eslintrc.js
@@ -5,8 +5,6 @@
 module.exports = {
     env: {
         node: true,
-        browser: true,
-        es6: true,
     },
     parserOptions: {
         parser: '@typescript-eslint/parser',
diff --git a/cvat-ui/package-lock.json b/cvat-ui/package-lock.json
index f54cb58e..8ec038eb 100644
--- a/cvat-ui/package-lock.json
+++ b/cvat-ui/package-lock.json
@@ -1143,19 +1143,12 @@
       "resolved": "https://registry.npmjs.org/@types/cookie/-/cookie-0.3.3.tgz",
       "integrity": "sha512-LKVP3cgXBT9RYj+t+9FDKwS5tdI+rPBXaNSkma7hvqy35lc7mAokC2zsqWJH0LaqIt3B962nuYI77hsJoT1gow=="
     },
-    "@types/events": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/@types/events/-/events-3.0.0.tgz",
-      "integrity": "sha512-EaObqwIvayI5a8dCzhFrjKzVwKLxjoG9T6Ppd5CEo07LRKfQ8Yokw54r5+Wq7FaBQ+yXRvQAYPrHwya1/UFt9g==",
-      "dev": true
-    },
     "@types/glob": {
-      "version": "7.1.1",
-      "resolved": "https://registry.npmjs.org/@types/glob/-/glob-7.1.1.tgz",
-      "integrity": "sha512-1Bh06cbWJUHMC97acuD6UMG29nMt0Aqz1vF3guLfG+kHHJhy3AyohZFFxYk2f7Q1SQIrNwvncxAE0N/9s70F2w==",
+      "version": "7.1.3",
+      "resolved": "https://registry.npmjs.org/@types/glob/-/glob-7.1.3.tgz",
+      "integrity": "sha512-SEYeGAIQIQX8NN6LDKprLjbrd5dARM5EXsd8GI/A5l0apYI1fGMWgPHSe4ZKL4eozlAyI+doUE9XbYS4xCkQ1w==",
       "dev": true,
       "requires": {
-        "@types/events": "*",
         "@types/minimatch": "*",
         "@types/node": "*"
       }
@@ -1193,9 +1186,9 @@
       "dev": true
     },
     "@types/node": {
-      "version": "12.12.3",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-12.12.3.tgz",
-      "integrity": "sha512-opgSsy+cEF9N8MgaVPnWVtdJ3o4mV2aMHvDq7thkQUFt0EuOHJon4rQpJfhjmNHB+ikl0Cd6WhWIErOyQ+f7tw==",
+      "version": "14.14.2",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-14.14.2.tgz",
+      "integrity": "sha512-jeYJU2kl7hL9U5xuI/BhKPZ4vqGM/OmK6whiFAXVhlstzZhVamWhDSmHyGLIp+RVyuF9/d0dqr2P85aFj4BvJg==",
       "dev": true
     },
     "@types/platform": {
@@ -3420,12 +3413,20 @@
       "integrity": "sha1-EdCRMSI5648yyPJa6csAL/6NPCQ="
     },
     "compressible": {
-      "version": "2.0.17",
-      "resolved": "https://registry.npmjs.org/compressible/-/compressible-2.0.17.tgz",
-      "integrity": "sha512-BGHeLCK1GV7j1bSmQQAi26X+GgWcTjLr/0tzSvMCl3LH1w1IJ4PFSPoV5316b30cneTziC+B1a+3OjoSUcQYmw==",
+      "version": "2.0.18",
+      "resolved": "https://registry.npmjs.org/compressible/-/compressible-2.0.18.tgz",
+      "integrity": "sha512-AF3r7P5dWxL8MxyITRMlORQNaOA2IkAFaTr4k7BUumjPtRpGDTZpl0Pb1XCO6JeDCBdp126Cgs9sMxqSjgYyRg==",
       "dev": true,
       "requires": {
-        "mime-db": ">= 1.40.0 < 2"
+        "mime-db": ">= 1.43.0 < 2"
+      },
+      "dependencies": {
+        "mime-db": {
+          "version": "1.45.0",
+          "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.45.0.tgz",
+          "integrity": "sha512-CkqLUxUk15hofLoLyljJSrukZi8mAtgd+yE5uO4tqRZsdsAJKv0O+rFMhVDRJgozy+yG6md5KwuXhD4ocIoP+w==",
+          "dev": true
+        }
       }
     },
     "compression": {
@@ -21708,9 +21709,9 @@
       "integrity": "sha1-wB3mPvsO7JeYgB1Ax+Da4ltYLIQ="
     },
     "deep-equal": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/deep-equal/-/deep-equal-1.1.0.tgz",
-      "integrity": "sha512-ZbfWJq/wN1Z273o7mUSjILYqehAktR2NVoSrOukDkU9kg2v/Uv89yU4Cvz8seJeAmtN5oqiefKq8FPuXOboqLw==",
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/deep-equal/-/deep-equal-1.1.1.tgz",
+      "integrity": "sha512-yd9c5AdiqVcR+JjcwUQb9DkhJc8ngNr0MahEBGvDiJw8puWab2yZlh+nkasOnZP+EGTAP6rRp2JzJhJZzvNF8g==",
       "dev": true,
       "requires": {
         "is-arguments": "^1.0.4",
@@ -21735,45 +21736,6 @@
       "requires": {
         "execa": "^1.0.0",
         "ip-regex": "^2.1.0"
-      },
-      "dependencies": {
-        "cross-spawn": {
-          "version": "6.0.5",
-          "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
-          "integrity": "sha512-eTVLrBSt7fjbDygz805pMnstIs2VTBNkRm0qxZd+M7A5XDdxVRWO5MxGBXZhjY4cqLYLdtrGqRf8mBPmzwSpWQ==",
-          "dev": true,
-          "requires": {
-            "nice-try": "^1.0.4",
-            "path-key": "^2.0.1",
-            "semver": "^5.5.0",
-            "shebang-command": "^1.2.0",
-            "which": "^1.2.9"
-          }
-        },
-        "execa": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/execa/-/execa-1.0.0.tgz",
-          "integrity": "sha512-adbxcyWV46qiHyvSp50TKt05tB4tK3HcmF7/nxfAdhnox83seTDbwnaqKO4sXRy7roHAIFqJP/Rw/AuEbX61LA==",
-          "dev": true,
-          "requires": {
-            "cross-spawn": "^6.0.0",
-            "get-stream": "^4.0.0",
-            "is-stream": "^1.1.0",
-            "npm-run-path": "^2.0.0",
-            "p-finally": "^1.0.0",
-            "signal-exit": "^3.0.0",
-            "strip-eof": "^1.0.0"
-          }
-        },
-        "get-stream": {
-          "version": "4.1.0",
-          "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-4.1.0.tgz",
-          "integrity": "sha512-GMat4EJ5161kIy2HevLlr4luNjBgvmj413KaQA7jt4V8B4RDsfpHk7WQ9GVqfYyyx8OS/L66Kox+rJRNklLK7w==",
-          "dev": true,
-          "requires": {
-            "pump": "^3.0.0"
-          }
-        }
       }
     },
     "define-properties": {
@@ -22466,29 +22428,6 @@
             "estraverse": "^4.1.1"
           }
         },
-        "eslint-utils": {
-          "version": "2.1.0",
-          "resolved": "https://registry.npmjs.org/eslint-utils/-/eslint-utils-2.1.0.tgz",
-          "integrity": "sha512-w94dQYoauyvlDc43XnGB8lU3Zt713vNChgt4EWwhXAP2XkBvndfxF0AgIqKOOasjPIPzj9JqgwkwbCYD0/V3Zg==",
-          "dev": true,
-          "requires": {
-            "eslint-visitor-keys": "^1.1.0"
-          },
-          "dependencies": {
-            "eslint-visitor-keys": {
-              "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==",
-              "dev": true
-            }
-          }
-        },
-        "eslint-visitor-keys": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-2.0.0.tgz",
-          "integrity": "sha512-QudtT6av5WXels9WjIM7qz1XD1cWGvX4gGXvp/zBn9nXG02D0utdU3Em2m/QjTnrsk6bBjmCygl3rmj118msQQ==",
-          "dev": true
-        },
         "esrecurse": {
           "version": "4.3.0",
           "resolved": "https://registry.npmjs.org/esrecurse/-/esrecurse-4.3.0.tgz",
@@ -22546,12 +22485,6 @@
           "integrity": "sha512-ojmeN0qd+y0jszEtoY48r0Peq5dwMEkIlCOu6Q5f41lfkswXuKtYrhgoTpLnyIcHm24Uhqx+5Tqm2InSwLhE6Q==",
           "dev": true
         },
-        "regexpp": {
-          "version": "3.1.0",
-          "resolved": "https://registry.npmjs.org/regexpp/-/regexpp-3.1.0.tgz",
-          "integrity": "sha512-ZOIzd8yVsQQA7j8GCSlPGXwg5PfmA1mrq0JP4nGhh54LaKN3xdai/vHUDu74pKwV8OxseMS65u2NImosQcSD0Q==",
-          "dev": true
-        },
         "resolve-from": {
           "version": "4.0.0",
           "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-4.0.0.tgz",
@@ -23295,9 +23228,9 @@
       "dev": true
     },
     "eventemitter3": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-4.0.0.tgz",
-      "integrity": "sha512-qerSRB0p+UDEssxTtm6EDKcE7W4OaoisfIMl4CngyEhjpYglocpNg6UEqCvemdGhosAsg4sO2dXJOdyBifPGCg==",
+      "version": "4.0.7",
+      "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-4.0.7.tgz",
+      "integrity": "sha512-8guHBZCwKnFhYdHr2ysuRWErTwhoN2X8XELRlrRwpmfeY2jjuUN4taQMsULKUVo1K4DvZl+0pgfyoysHxvmvEw==",
       "dev": true
     },
     "eventlistener": {
@@ -23330,6 +23263,36 @@
         "safe-buffer": "^5.1.1"
       }
     },
+    "execa": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/execa/-/execa-1.0.0.tgz",
+      "integrity": "sha512-adbxcyWV46qiHyvSp50TKt05tB4tK3HcmF7/nxfAdhnox83seTDbwnaqKO4sXRy7roHAIFqJP/Rw/AuEbX61LA==",
+      "dev": true,
+      "requires": {
+        "cross-spawn": "^6.0.0",
+        "get-stream": "^4.0.0",
+        "is-stream": "^1.1.0",
+        "npm-run-path": "^2.0.0",
+        "p-finally": "^1.0.0",
+        "signal-exit": "^3.0.0",
+        "strip-eof": "^1.0.0"
+      },
+      "dependencies": {
+        "cross-spawn": {
+          "version": "6.0.5",
+          "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
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-          "integrity": "sha512-4FG+RSG9DL7uEwRUZXZn3SS34DiDPfzP0VOiEwtUWlE+AR2EIg+hSyvrIgUUfhdgR/UkAeW2QHgeP+hWrXs7jQ==",
-          "dev": true,
-          "requires": {
-            "string-width": "^2.1.1",
-            "strip-ansi": "^4.0.0",
-            "wrap-ansi": "^2.0.0"
-          },
-          "dependencies": {
-            "strip-ansi": {
-              "version": "4.0.0",
-              "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
-              "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
-              "dev": true,
-              "requires": {
-                "ansi-regex": "^3.0.0"
-              }
-            }
-          }
-        },
-        "get-caller-file": {
-          "version": "1.0.3",
-          "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-1.0.3.tgz",
-          "integrity": "sha512-3t6rVToeoZfYSGd8YoLFR2DJkiQrIiUrGcjvFX2mDw3bn6k2OtwHN0TNCLbBO+w8qTvimhDkv+LSscbJY1vE6w==",
-          "dev": true
-        },
-        "is-fullwidth-code-point": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
-          "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
-          "dev": true,
-          "requires": {
-            "number-is-nan": "^1.0.0"
-          }
-        },
-        "require-main-filename": {
-          "version": "1.0.1",
-          "resolved": "https://registry.npmjs.org/require-main-filename/-/require-main-filename-1.0.1.tgz",
-          "integrity": "sha1-l/cXtp1IeE9fUmpsWqj/3aBVpNE=",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
+          "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==",
           "dev": true
         },
         "schema-utils": {
@@ -32347,62 +32366,59 @@
           "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==",
           "dev": true
         },
-        "supports-color": {
-          "version": "6.1.0",
-          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-6.1.0.tgz",
-          "integrity": "sha512-qe1jfm1Mg7Nq/NSh6XE24gPXROEVsWHxC1LIx//XNlD9iw7YZQGjZNjYN7xGaEG6iKdA8EtNFW6R0gjnVXp+wQ==",
-          "dev": true,
-          "requires": {
-            "has-flag": "^3.0.0"
-          }
-        },
-        "wrap-ansi": {
-          "version": "2.1.0",
-          "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
-          "integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
+        "string-width": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
+          "integrity": "sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==",
           "dev": true,
           "requires": {
-            "string-width": "^1.0.1",
-            "strip-ansi": "^3.0.1"
+            "emoji-regex": "^7.0.1",
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^5.1.0"
           },
           "dependencies": {
-            "string-width": {
-              "version": "1.0.2",
-              "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
-              "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
+            "strip-ansi": {
+              "version": "5.2.0",
+              "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
+              "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
               "dev": true,
               "requires": {
-                "code-point-at": "^1.0.0",
-                "is-fullwidth-code-point": "^1.0.0",
-                "strip-ansi": "^3.0.0"
+                "ansi-regex": "^4.1.0"
               }
             }
           }
         },
+        "supports-color": {
+          "version": "6.1.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-6.1.0.tgz",
+          "integrity": "sha512-qe1jfm1Mg7Nq/NSh6XE24gPXROEVsWHxC1LIx//XNlD9iw7YZQGjZNjYN7xGaEG6iKdA8EtNFW6R0gjnVXp+wQ==",
+          "dev": true,
+          "requires": {
+            "has-flag": "^3.0.0"
+          }
+        },
         "yargs": {
-          "version": "12.0.5",
-          "resolved": "https://registry.npmjs.org/yargs/-/yargs-12.0.5.tgz",
-          "integrity": "sha512-Lhz8TLaYnxq/2ObqHDql8dX8CJi97oHxrjUcYtzKbbykPtVW9WB+poxI+NM2UIzsMgNCZTIf0AQwsjK5yMAqZw==",
+          "version": "13.3.2",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.3.2.tgz",
+          "integrity": "sha512-AX3Zw5iPruN5ie6xGRIDgqkT+ZhnRlZMLMHAs8tg7nRruy2Nb+i5o9bwghAogtM08q1dpr2LVoS8KSTMYpWXUw==",
           "dev": true,
           "requires": {
-            "cliui": "^4.0.0",
-            "decamelize": "^1.2.0",
+            "cliui": "^5.0.0",
             "find-up": "^3.0.0",
-            "get-caller-file": "^1.0.1",
-            "os-locale": "^3.0.0",
+            "get-caller-file": "^2.0.1",
             "require-directory": "^2.1.1",
-            "require-main-filename": "^1.0.1",
+            "require-main-filename": "^2.0.0",
             "set-blocking": "^2.0.0",
-            "string-width": "^2.0.0",
+            "string-width": "^3.0.0",
             "which-module": "^2.0.0",
-            "y18n": "^3.2.1 || ^4.0.0",
-            "yargs-parser": "^11.1.1"
+            "y18n": "^4.0.0",
+            "yargs-parser": "^13.1.2"
           }
         },
         "yargs-parser": {
-          "version": "11.1.1",
-          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-11.1.1.tgz",
-          "integrity": "sha512-C6kB/WJDiaxONLJQnF8ccx9SEeoTTLek8RVbaOIsrAUS8VrBEXfmeSnCZxygc+XC2sNMBIwOOnfcxiynjHsVSQ==",
+          "version": "13.1.2",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.2.tgz",
+          "integrity": "sha512-3lbsNRf/j+A4QuSZfDRA7HRSfWrzO0YjqTJd5kjAq37Zep1CEgaYmrH9Q3GwPiB9cHyd1Y1UwggGhJGoxipbzg==",
           "dev": true,
           "requires": {
             "camelcase": "^5.0.0",
@@ -32440,13 +32456,11 @@
       }
     },
     "websocket-driver": {
-      "version": "0.7.3",
-      "resolved": "https://registry.npmjs.org/websocket-driver/-/websocket-driver-0.7.3.tgz",
-      "integrity": "sha512-bpxWlvbbB459Mlipc5GBzzZwhoZgGEZLuqPaR0INBGnPAY1vdBX6hPnoFXiw+3yWxDuHyQjO2oXTMyS8A5haFg==",
+      "version": "0.6.5",
+      "resolved": "https://registry.npmjs.org/websocket-driver/-/websocket-driver-0.6.5.tgz",
+      "integrity": "sha1-XLJVbOuF9Dc8bYI4qmkchFThOjY=",
       "dev": true,
       "requires": {
-        "http-parser-js": ">=0.4.0 <0.4.11",
-        "safe-buffer": ">=5.1.0",
         "websocket-extensions": ">=0.1.1"
       }
     },
@@ -32604,22 +32618,21 @@
       "dev": true
     },
     "yargs": {
-      "version": "13.2.4",
-      "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.2.4.tgz",
-      "integrity": "sha512-HG/DWAJa1PAnHT9JAhNa8AbAv3FPaiLzioSjCcmuXXhP8MlpHO5vwls4g4j6n30Z74GVQj8Xa62dWVx1QCGklg==",
+      "version": "13.3.2",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.3.2.tgz",
+      "integrity": "sha512-AX3Zw5iPruN5ie6xGRIDgqkT+ZhnRlZMLMHAs8tg7nRruy2Nb+i5o9bwghAogtM08q1dpr2LVoS8KSTMYpWXUw==",
       "dev": true,
       "requires": {
         "cliui": "^5.0.0",
         "find-up": "^3.0.0",
         "get-caller-file": "^2.0.1",
-        "os-locale": "^3.1.0",
         "require-directory": "^2.1.1",
         "require-main-filename": "^2.0.0",
         "set-blocking": "^2.0.0",
         "string-width": "^3.0.0",
         "which-module": "^2.0.0",
         "y18n": "^4.0.0",
-        "yargs-parser": "^13.1.0"
+        "yargs-parser": "^13.1.2"
       },
       "dependencies": {
         "ansi-regex": {
@@ -32651,9 +32664,9 @@
       }
     },
     "yargs-parser": {
-      "version": "13.1.1",
-      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.1.tgz",
-      "integrity": "sha512-oVAVsHz6uFrg3XQheFII8ESO2ssAf9luWuAd6Wexsu4F3OtIW0o8IribPXYrD4WC24LWtPrJlGy87y5udK+dxQ==",
+      "version": "13.1.2",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.2.tgz",
+      "integrity": "sha512-3lbsNRf/j+A4QuSZfDRA7HRSfWrzO0YjqTJd5kjAq37Zep1CEgaYmrH9Q3GwPiB9cHyd1Y1UwggGhJGoxipbzg==",
       "dev": true,
       "requires": {
         "camelcase": "^5.0.0",
diff --git a/cvat-ui/package.json b/cvat-ui/package.json
index 7df68570..6c6642b7 100644
--- a/cvat-ui/package.json
+++ b/cvat-ui/package.json
@@ -42,8 +42,8 @@
     "tsconfig-paths-webpack-plugin": "^3.2.0",
     "typescript": "^3.7.3",
     "webpack": "^4.44.2",
-    "webpack-cli": "^3.3.8",
-    "webpack-dev-server": "^3.8.0",
+    "webpack-cli": "^3.3.12",
+    "webpack-dev-server": "^3.11.0",
     "worker-loader": "^2.0.0"
   },
   "dependencies": {
diff --git a/cvat-ui/src/cvat-canvas-wrapper.ts b/cvat-ui/src/cvat-canvas-wrapper.ts
index 1514a973..77496cf5 100644
--- a/cvat-ui/src/cvat-canvas-wrapper.ts
+++ b/cvat-ui/src/cvat-canvas-wrapper.ts
@@ -15,4 +15,6 @@ import {
 export type InteractionData = InteractionDataType;
 export type InteractionResult = InteractionResultType;
 
-export { Canvas, CanvasMode, CanvasVersion, RectDrawingMethod, CuboidDrawingMethod };
+export {
+    Canvas, CanvasMode, CanvasVersion, RectDrawingMethod, CuboidDrawingMethod,
+};
diff --git a/lint-staged.config.js b/lint-staged.config.js
new file mode 100644
index 00000000..496d144c
--- /dev/null
+++ b/lint-staged.config.js
@@ -0,0 +1,43 @@
+// lint-staged.config.js
+
+const micromatch = require('micromatch');
+
+function containsInPath(pattern, list) {
+    return list.filter((item) => micromatch.contains(item, pattern));
+}
+
+function makePattern(extension) {
+    return `**/*.${extension}`;
+}
+
+module.exports = (stagedFiles) => {
+    const eslintExtensions = ['ts', 'tsx', 'js'].map(makePattern);
+    const prettierExtensions = ['html', 'css', 'scss', 'json', 'yaml', 'yml', 'md']
+        .map(makePattern)
+        .concat(eslintExtensions);
+
+    const prettierFiles = micromatch(stagedFiles, prettierExtensions);
+    const eslintFiles = micromatch(stagedFiles, eslintExtensions);
+
+    const cvatData = containsInPath('/cvat-data/', eslintFiles);
+    const cvatCore = containsInPath('/cvat-core/', eslintFiles);
+    const cvatCanvas = containsInPath('/cvat-canvas/', eslintFiles);
+    const cvatUI = containsInPath('/cvat-ui/', eslintFiles);
+
+    const mapping = {};
+    const commands = [];
+    mapping['prettier --write '] = prettierFiles.join(' ');
+    mapping['npm run precommit:cvat-ui -- '] = cvatUI.join(' ');
+    mapping['npm run precommit:cvat-data -- '] = cvatData.join(' ');
+    mapping['npm run precommit:cvat-core -- '] = cvatCore.join(' ');
+    mapping['npm run precommit:cvat-canvas -- '] = cvatCanvas.join(' ');
+
+    for (const command of Object.keys(mapping)) {
+        const files = mapping[command];
+        if (files.length) {
+            commands.push(`${command} ${files}`);
+        }
+    }
+
+    return commands;
+};
diff --git a/package-lock.json b/package-lock.json
index cae77076..d5653afd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1424,12 +1424,6 @@
         "safe-buffer": "~5.1.1"
       }
     },
-    "core-js": {
-      "version": "3.6.5",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.6.5.tgz",
-      "integrity": "sha512-vZVEEwZoIsI+vPEuoF9Iqf5H7/M3eeQqWlQnYa8FSKKePuYTf5MWnxb5SDAzCa60b3JBRS5g9b+Dq7b1y/RCrA==",
-      "dev": true
-    },
     "core-util-is": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
@@ -1936,23 +1930,6 @@
         "prettier-linter-helpers": "^1.0.0"
       }
     },
-    "eslint-plugin-requirejs": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/eslint-plugin-requirejs/-/eslint-plugin-requirejs-4.0.0.tgz",
-      "integrity": "sha512-0RUXMrQ7elTtTZT6dwP6HozoAUzUBnMawBmdOKyQAWqulrLnKg8WGKJIpo7cDisjAr91SXDUIhCOrIqgbz9ETQ==",
-      "dev": true,
-      "requires": {
-        "ignore": "5.0.5"
-      },
-      "dependencies": {
-        "ignore": {
-          "version": "5.0.5",
-          "resolved": "https://registry.npmjs.org/ignore/-/ignore-5.0.5.tgz",
-          "integrity": "sha512-kOC8IUb8HSDMVcYrDVezCxpJkzSQWTAzf3olpKM6o9rM5zpojx23O0Fl8Wr4+qJ6ZbPEHqf1fdwev/DS7v7pmA==",
-          "dev": true
-        }
-      }
-    },
     "eslint-scope": {
       "version": "5.1.1",
       "resolved": "https://registry.npmjs.org/eslint-scope/-/eslint-scope-5.1.1.tgz",
diff --git a/package.json b/package.json
index 5a699c07..bc6057b2 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,6 @@
     "@istanbuljs/nyc-config-babel": "^1.0.1",
     "babel-plugin-istanbul": "^6.0.0",
     "babel-register": "^6.26.0",
-    "core-js": "^3.6.5",
     "coveralls": "^3.1.0",
     "eslint": "^7.11.0",
     "eslint-config-airbnb": "^18.0.1",
@@ -20,9 +19,9 @@
     "eslint-plugin-header": "^3.1.0",
     "eslint-plugin-jest": "^24.1.0",
     "eslint-plugin-prettier": "^3.1.4",
-    "eslint-plugin-requirejs": "^4.0.0",
     "husky": "^4.3.0",
     "lint-staged": "^10.4.2",
+    "micromatch": "^4.0.2",
     "nyc": "^15.1.0",
     "prettier": "2.1.2",
     "remark-lint-emphasis-marker": "^2.0.0",
@@ -46,7 +45,11 @@
     "coverage": "npm run instrument && npm run cp && npm run rm",
     "instrument": "nyc instrument cvat-ui cvat-ui_cov && nyc instrument cvat-canvas cvat-canvas_cov && nyc instrument cvat-data cvat-data_cov && nyc instrument cvat-core cvat-core_cov",
     "cp": "cp -r cvat-ui_cov/* cvat-ui && cp -r cvat-canvas_cov/* cvat-canvas && cp -r cvat-data_cov/* cvat-data && cp -r cvat-core_cov/* cvat-core",
-    "rm": "rm -rf cvat-ui_cov cvat-canvas_cov cvat-data_cov cvat-core_cov"
+    "rm": "rm -rf cvat-ui_cov cvat-canvas_cov cvat-data_cov cvat-core_cov",
+    "precommit:cvat-data": "cd cvat-ui && eslint --fix",
+    "precommit:cvat-core": "cd cvat-ui && eslint --fix",
+    "precommit:cvat-canvas": "cd cvat-ui && eslint --fix",
+    "precommit:cvat-ui": "cd cvat-ui && eslint --fix"
   },
   "repository": {
     "type": "git",
@@ -62,12 +65,5 @@
     "hooks": {
       "pre-commit": "lint-staged"
     }
-  },
-  "lint-staged": {
-    "*.{html,css,scss,json,yaml,yml,md}": "prettier --write",
-    "*.{js,ts,tsx}": [
-      "eslint --fix",
-      "prettier --write"
-    ]
   }
 }