diff --git a/.eslintrc.js b/.eslintrc.js
index b1da14cee1b..8e646e23cd0 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -13,4 +13,7 @@ module.exports = {
       files: ['**/*.ts'],
     }
   ],
+  rules: {
+    '@typescript-eslint/ban-ts-comment': 1,
+  }
 };
diff --git a/index.js b/index.js
index 3ea83bbefe7..995ad1ca799 100644
--- a/index.js
+++ b/index.js
@@ -1,100 +1,100 @@
-import { fabric } from './HEADER.js';
-// import './lib/event.js'), // optional gestures
-import './src/mixins/observable.mixin.js';
-import './src/mixins/collection.mixin.js';
-import './src/mixins/shared_methods.mixin.js';
-import './src/util/misc.js';
-// import './src/util/named_accessors.mixin.js'; i would imagine dead forever or proper setters/getters
-import './src/util/path.js';
-import './src/util/lang_array.js';
-import './src/util/lang_object.js';
-import './src/util/lang_string.js';
-import './src/util/lang_class.js';
-import './src/util/dom_event.js'; // optional interaction
-import './src/util/dom_style.js';
-import './src/util/dom_misc.js';
-import './src/util/dom_request.js';
-import './src/log.js';
-import './src/util/animate.js'; // optional animation
-import './src/util/animate_color.js'; // optional animation
-import './src/util/anim_ease.js'; // optional easing
-import './src/parser.js'; // optional parser
-import './src/elements_parser.js'; // optional parser
-import './src/point.class.js';
-import './src/intersection.class.js';
-import './src/color.class.js';
-import './src/controls.actions.js'; // optional interaction
-import './src/controls.render.js'; // optional interaction
-import './src/control.class.js'; // optional interaction
-import './src/gradient.class.js'; // optional gradient
-import './src/pattern.class.js'; // optional pattern
-import './src/shadow.class.js'; // optional shadow
-import './src/static_canvas.class.js';
-import './src/brushes/base_brush.class.js'; // optional freedrawing
-import './src/brushes/pencil_brush.class.js'; // optional freedrawing
-import './src/brushes/circle_brush.class.js'; // optional freedrawing
-import './src/brushes/spray_brush.class.js'; // optional freedrawing
-import './src/brushes/pattern_brush.class.js'; // optional freedrawing
-import './src/canvas.class.js'; // optional interaction
-import './src/mixins/canvas_events.mixin.js'; // optional interaction
-import './src/mixins/canvas_grouping.mixin.js'; // optional interaction
-import './src/mixins/canvas_dataurl_exporter.mixin.js';
-import './src/mixins/canvas_serialization.mixin.js'; // optiona serialization
-import './src/mixins/canvas_gestures.mixin.js'; // optional gestures
-import './src/shapes/object.class.js';
-import './src/mixins/object_origin.mixin.js';
-import './src/mixins/object_geometry.mixin.js';
-import './src/mixins/object_ancestry.mixin.js';
-import './src/mixins/object_stacking.mixin.js';
-import './src/mixins/object.svg_export.js';
-import './src/mixins/stateful.mixin.js';
-import './src/mixins/object_interactivity.mixin.js'; // optional interaction
-import './src/mixins/animation.mixin.js'; // optional animation
-import './src/shapes/line.class.js';
-import './src/shapes/circle.class.js';
-import './src/shapes/triangle.class.js';
-import './src/shapes/ellipse.class.js';
-import './src/shapes/rect.class.js';
-import './src/shapes/polyline.class.js';
-import './src/shapes/polygon.class.js';
-import './src/shapes/path.class.js';
-import './src/shapes/group.class.js';
-import './src/shapes/active_selection.class.js'; // optional interaction
-import './src/shapes/image.class.js';
-import './src/mixins/object_straightening.mixin.js'; // optional objectstraightening
-import './src/filters/webgl_backend.class.js'; // optional image_filters
-import './src/filters/2d_backend.class.js'; // optional image_filters
-import './src/filters/base_filter.class.js'; // optional image_filters
-import './src/filters/colormatrix_filter.class.js'; // optional image_filters
-import './src/filters/brightness_filter.class.js'; // optional image_filters
-import './src/filters/convolute_filter.class.js'; // optional image_filters
-import './src/filters/grayscale_filter.class.js'; // optional image_filters
-import './src/filters/invert_filter.class.js'; // optional image_filters
-import './src/filters/noise_filter.class.js'; // optional image_filters
-import './src/filters/pixelate_filter.class.js'; // optional image_filters
-import './src/filters/removecolor_filter.class.js'; // optional image_filters
-import './src/filters/filter_generator.js'; // optional image_filters
-import './src/filters/blendcolor_filter.class.js'; // optional image_filters
-import './src/filters/blendimage_filter.class.js'; // optional image_filters
-import './src/filters/resize_filter.class.js'; // optional image_filters
-import './src/filters/contrast_filter.class.js'; // optional image_filters
-import './src/filters/saturate_filter.class.js'; // optional image_filters
-import './src/filters/vibrance_filter.class.js'; // optional image_filters
-import './src/filters/blur_filter.class.js'; // optional image_filters
-import './src/filters/gamma_filter.class.js'; // optional image_filters
-import './src/filters/composed_filter.class.js'; // optional image_filters
-import './src/filters/hue_rotation.class.js'; // optional image_filters
-import './src/shapes/text.class.js'; // optional text
-import './src/mixins/text_style.mixin.js'; // optional text
-import './src/shapes/itext.class.js'; // optional itext
-import './src/mixins/itext_behavior.mixin.js'; // optional itext
-import './src/mixins/itext_click_behavior.mixin.js'; // optional itext
-import './src/mixins/itext_key_behavior.mixin.js'; // optional itext
-import './src/mixins/itext.svg_export.js'; // optional itext
-import './src/shapes/textbox.class.js'; // optional textbox
-import './src/mixins/default_controls.js'; // optional interaction
+import { fabric } from './HEADER';
+// import './lib/event'), // optional gestures
+import './src/mixins/observable.mixin';
+import './src/mixins/collection.mixin';
+import './src/mixins/shared_methods.mixin';
+import './src/util/misc';
+// import './src/util/named_accessors.mixin'; i would imagine dead forever or proper setters/getters
+import './src/util/path';
+import './src/util/lang_array';
+import './src/util/lang_object';
+import './src/util/lang_string';
+import './src/util/lang_class';
+import './src/util/dom_event'; // optional interaction
+import './src/util/dom_style';
+import './src/util/dom_misc';
+import './src/util/dom_request';
+import './src/log';
+import './src/util/animate'; // optional animation
+import './src/util/animate_color'; // optional animation
+import './src/util/anim_ease'; // optional easing
+import './src/parser'; // optional parser
+import './src/elements_parser'; // optional parser
+import './src/point.class';
+import './src/intersection.class';
+import './src/color.class';
+import './src/controls.actions'; // optional interaction
+import './src/controls.render'; // optional interaction
+import './src/control.class'; // optional interaction
+import './src/gradient.class'; // optional gradient
+import './src/pattern.class'; // optional pattern
+import './src/shadow.class'; // optional shadow
+import './src/static_canvas.class';
+import './src/brushes/base_brush.class'; // optional freedrawing
+import './src/brushes/pencil_brush.class'; // optional freedrawing
+import './src/brushes/circle_brush.class'; // optional freedrawing
+import './src/brushes/spray_brush.class'; // optional freedrawing
+import './src/brushes/pattern_brush.class'; // optional freedrawing
+import './src/canvas.class'; // optional interaction
+import './src/mixins/canvas_events.mixin'; // optional interaction
+import './src/mixins/canvas_grouping.mixin'; // optional interaction
+import './src/mixins/canvas_dataurl_exporter.mixin';
+import './src/mixins/canvas_serialization.mixin'; // optiona serialization
+import './src/mixins/canvas_gestures.mixin'; // optional gestures
+import './src/shapes/object.class';
+import './src/mixins/object_origin.mixin';
+import './src/mixins/object_geometry.mixin';
+import './src/mixins/object_ancestry.mixin';
+import './src/mixins/object_stacking.mixin';
+import './src/mixins/object.svg_export';
+import './src/mixins/stateful.mixin';
+import './src/mixins/object_interactivity.mixin'; // optional interaction
+import './src/mixins/animation.mixin'; // optional animation
+import './src/shapes/line.class';
+import './src/shapes/circle.class';
+import './src/shapes/triangle.class';
+import './src/shapes/ellipse.class';
+import './src/shapes/rect.class';
+import './src/shapes/polyline.class';
+import './src/shapes/polygon.class';
+import './src/shapes/path.class';
+import './src/shapes/group.class';
+import './src/shapes/active_selection.class'; // optional interaction
+import './src/shapes/image.class';
+import './src/mixins/object_straightening.mixin'; // optional objectstraightening
+import './src/filters/webgl_backend.class'; // optional image_filters
+import './src/filters/2d_backend.class'; // optional image_filters
+import './src/filters/base_filter.class'; // optional image_filters
+import './src/filters/colormatrix_filter.class'; // optional image_filters
+import './src/filters/brightness_filter.class'; // optional image_filters
+import './src/filters/convolute_filter.class'; // optional image_filters
+import './src/filters/grayscale_filter.class'; // optional image_filters
+import './src/filters/invert_filter.class'; // optional image_filters
+import './src/filters/noise_filter.class'; // optional image_filters
+import './src/filters/pixelate_filter.class'; // optional image_filters
+import './src/filters/removecolor_filter.class'; // optional image_filters
+import './src/filters/filter_generator'; // optional image_filters
+import './src/filters/blendcolor_filter.class'; // optional image_filters
+import './src/filters/blendimage_filter.class'; // optional image_filters
+import './src/filters/resize_filter.class'; // optional image_filters
+import './src/filters/contrast_filter.class'; // optional image_filters
+import './src/filters/saturate_filter.class'; // optional image_filters
+import './src/filters/vibrance_filter.class'; // optional image_filters
+import './src/filters/blur_filter.class'; // optional image_filters
+import './src/filters/gamma_filter.class'; // optional image_filters
+import './src/filters/composed_filter.class'; // optional image_filters
+import './src/filters/hue_rotation.class'; // optional image_filters
+import './src/shapes/text.class'; // optional text
+import './src/mixins/text_style.mixin'; // optional text
+import './src/shapes/itext.class'; // optional itext
+import './src/mixins/itext_behavior.mixin'; // optional itext
+import './src/mixins/itext_click_behavior.mixin'; // optional itext
+import './src/mixins/itext_key_behavior.mixin'; // optional itext
+import './src/mixins/itext.svg_export'; // optional itext
+import './src/shapes/textbox.class'; // optional textbox
+import './src/mixins/default_controls'; // optional interaction
 //  extends fabric.StaticCanvas, fabric.Canvas, fabric.Object, depends on fabric.PencilBrush and fabric.Rect
-// import './src/mixins/eraser_brush.mixin.js'; // optional erasing
+// import './src/mixins/eraser_brush.mixin'; // optional erasing
 if (typeof exports !== 'undefined') {
   exports.fabric = fabric;
 }
diff --git a/package-lock.json b/package-lock.json
index f48c27de45b..c68ba1fcd9f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -19,7 +19,7 @@
         "chalk": "^2.4.1",
         "commander": "^9.1.0",
         "deep-object-diff": "^1.1.7",
-        "eslint": "^8.18.0",
+        "eslint": "^8.21.0",
         "fs-extra": "^10.0.1",
         "fuzzy": "^0.1.3",
         "inquirer": "^8.2.1",
@@ -31,7 +31,7 @@
         "rollup": "^2.75.6",
         "rollup-plugin-terser": "^7.0.2",
         "rollup-plugin-ts": "^3.0.2",
-        "testem": "^3.2.0",
+        "testem": "^3.8.0",
         "typescript": "^4.7.4"
       },
       "engines": {
@@ -448,9 +448,9 @@
       }
     },
     "node_modules/@humanwhocodes/config-array": {
-      "version": "0.9.5",
-      "resolved": "https://registry.npmjs.org/@humanwhocodes/config-array/-/config-array-0.9.5.tgz",
-      "integrity": "sha512-ObyMyWxZiCu/yTisA7uzx81s40xR2fD5Cg/2Kq7G02ajkNubJf6BopgDTmDyc3U7sXpNKM8cYOw7s7Tyr+DnCw==",
+      "version": "0.10.4",
+      "resolved": "https://registry.npmjs.org/@humanwhocodes/config-array/-/config-array-0.10.4.tgz",
+      "integrity": "sha512-mXAIHxZT3Vcpg83opl1wGlVZ9xydbfZO3r5YfRSH6Gpp2J/PfdBP0wbDa2sO6/qRbcalpoevVyW6A/fI6LfeMw==",
       "dev": true,
       "dependencies": {
         "@humanwhocodes/object-schema": "^1.2.1",
@@ -461,6 +461,16 @@
         "node": ">=10.10.0"
       }
     },
+    "node_modules/@humanwhocodes/gitignore-to-minimatch": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/@humanwhocodes/gitignore-to-minimatch/-/gitignore-to-minimatch-1.0.2.tgz",
+      "integrity": "sha512-rSqmMJDdLFUsyxR6FMtD00nfQKKLFb1kv+qBbOVKqErvloEIJLo5bDTJTQNTYgeyp78JsA7u/NPi5jT1GR/MuA==",
+      "dev": true,
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/nzakas"
+      }
+    },
     "node_modules/@humanwhocodes/object-schema": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/@humanwhocodes/object-schema/-/object-schema-1.2.1.tgz",
@@ -984,9 +994,9 @@
       }
     },
     "node_modules/@xmldom/xmldom": {
-      "version": "0.7.5",
-      "resolved": "https://registry.npmjs.org/@xmldom/xmldom/-/xmldom-0.7.5.tgz",
-      "integrity": "sha512-V3BIhmY36fXZ1OtVcI9W+FxQqxVLsPKcNjWigIaa81dLC9IolJl5Mt4Cvhmr0flUnjSpTdrbMTSbXqYqV5dT6A==",
+      "version": "0.8.2",
+      "resolved": "https://registry.npmjs.org/@xmldom/xmldom/-/xmldom-0.8.2.tgz",
+      "integrity": "sha512-+R0juSseERyoPvnBQ/cZih6bpF7IpCXlWbHRoCRzYzqpz6gWHOgf8o4MOEf6KBVuOyqU+gCNLkCWVIJAro8XyQ==",
       "dev": true,
       "engines": {
         "node": ">=10.0.0"
@@ -1018,9 +1028,9 @@
       }
     },
     "node_modules/acorn": {
-      "version": "8.7.0",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.7.0.tgz",
-      "integrity": "sha512-V/LGr1APy+PXIwKebEWrkZPwoeoF+w1jiOBUmuxuiUIaOHtob8Qc9BTrYo7VuI5fR8tqsy+buA2WFooR5olqvQ==",
+      "version": "8.8.0",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.8.0.tgz",
+      "integrity": "sha512-QOxyigPVrpZ2GXT+PFyZTl6TtOFc5egxHIP9IlQ+RbupQuX4RkT/Bee4/kQuC02Xkzg84JcT7oLYtDIQxp+v7w==",
       "devOptional": true,
       "bin": {
         "acorn": "bin/acorn"
@@ -1189,7 +1199,7 @@
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/aproba/-/aproba-2.0.0.tgz",
       "integrity": "sha512-lYe4Gx7QT+MKGbDsA+Z+he/Wtef0BiwDOlK/XkBrdfsh9J/jPPXbX0tE9x9cl27Tmu5gg3QUbUrQYa/y+KOHPQ==",
-      "optional": true
+      "devOptional": true
     },
     "node_modules/archy": {
       "version": "1.0.0",
@@ -1738,15 +1748,6 @@
         "node": ">=0.8"
       }
     },
-    "node_modules/code-point-at": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz",
-      "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
-      "dev": true,
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
     "node_modules/color-convert": {
       "version": "1.9.3",
       "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
@@ -1766,7 +1767,7 @@
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/color-support/-/color-support-1.1.3.tgz",
       "integrity": "sha512-qiBjkpbMLO/HL68y+lh4q0/O1MZFj2RX6X/KmMa3+gJD3z+WwI1ZzDHysvqHGS3mP6mznPckpXmw1nI9cJjyRg==",
-      "optional": true,
+      "devOptional": true,
       "bin": {
         "color-support": "bin.js"
       }
@@ -1883,12 +1884,12 @@
       "devOptional": true
     },
     "node_modules/consolidate": {
-      "version": "0.15.1",
-      "resolved": "https://registry.npmjs.org/consolidate/-/consolidate-0.15.1.tgz",
-      "integrity": "sha512-DW46nrsMJgy9kqAbPt5rKaCr7uFtpo4mSUvLHIUbJEjm0vo+aY5QLwBUq3FK4tRnJr/X0Psc0C4jf/h+HtXSMw==",
+      "version": "0.16.0",
+      "resolved": "https://registry.npmjs.org/consolidate/-/consolidate-0.16.0.tgz",
+      "integrity": "sha512-Nhl1wzCslqXYTJVDyJCu3ODohy9OfBMB5uD2BiBTzd7w+QY0lBzafkR8y8755yMYHAaMD4NuzbAw03/xzfw+eQ==",
       "dev": true,
       "dependencies": {
-        "bluebird": "^3.1.1"
+        "bluebird": "^3.7.2"
       },
       "engines": {
         "node": ">= 0.10.0"
@@ -2411,13 +2412,14 @@
       }
     },
     "node_modules/eslint": {
-      "version": "8.18.0",
-      "resolved": "https://registry.npmjs.org/eslint/-/eslint-8.18.0.tgz",
-      "integrity": "sha512-As1EfFMVk7Xc6/CvhssHUjsAQSkpfXvUGMFC3ce8JDe6WvqCgRrLOBQbVpsBFr1X1V+RACOadnzVvcUS5ni2bA==",
+      "version": "8.21.0",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-8.21.0.tgz",
+      "integrity": "sha512-/XJ1+Qurf1T9G2M5IHrsjp+xrGT73RZf23xA1z5wB1ZzzEAWSZKvRwhWxTFp1rvkvCfwcvAUNAP31bhKTTGfDA==",
       "dev": true,
       "dependencies": {
         "@eslint/eslintrc": "^1.3.0",
-        "@humanwhocodes/config-array": "^0.9.2",
+        "@humanwhocodes/config-array": "^0.10.4",
+        "@humanwhocodes/gitignore-to-minimatch": "^1.0.2",
         "ajv": "^6.10.0",
         "chalk": "^4.0.0",
         "cross-spawn": "^7.0.2",
@@ -2427,14 +2429,17 @@
         "eslint-scope": "^7.1.1",
         "eslint-utils": "^3.0.0",
         "eslint-visitor-keys": "^3.3.0",
-        "espree": "^9.3.2",
+        "espree": "^9.3.3",
         "esquery": "^1.4.0",
         "esutils": "^2.0.2",
         "fast-deep-equal": "^3.1.3",
         "file-entry-cache": "^6.0.1",
+        "find-up": "^5.0.0",
         "functional-red-black-tree": "^1.0.1",
         "glob-parent": "^6.0.1",
         "globals": "^13.15.0",
+        "globby": "^11.1.0",
+        "grapheme-splitter": "^1.0.4",
         "ignore": "^5.2.0",
         "import-fresh": "^3.0.0",
         "imurmurhash": "^0.1.4",
@@ -2600,6 +2605,22 @@
         "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
       }
     },
+    "node_modules/eslint/node_modules/find-up": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/find-up/-/find-up-5.0.0.tgz",
+      "integrity": "sha512-78/PXT1wlLLDgTzDs7sjq9hzz0vXD+zn+7wypEe4fXQxCmdmqfGsEPQxmiCSQI3ajFV91bVSsvNtrJRiW6nGng==",
+      "dev": true,
+      "dependencies": {
+        "locate-path": "^6.0.0",
+        "path-exists": "^4.0.0"
+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/eslint/node_modules/glob-parent": {
       "version": "6.0.2",
       "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-6.0.2.tgz",
@@ -2661,6 +2682,21 @@
         "node": ">= 0.8.0"
       }
     },
+    "node_modules/eslint/node_modules/locate-path": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-6.0.0.tgz",
+      "integrity": "sha512-iPZK6eYjbxRu3uB4/WZ3EsEIMJFMqAoopl3R+zuq0UjcAm/MO6KCweDgPfP3elTztoKP3KtnVHxTn2NHBSDVUw==",
+      "dev": true,
+      "dependencies": {
+        "p-locate": "^5.0.0"
+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/eslint/node_modules/minimatch": {
       "version": "3.1.2",
       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
@@ -2690,6 +2726,36 @@
         "node": ">= 0.8.0"
       }
     },
+    "node_modules/eslint/node_modules/p-limit": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-3.1.0.tgz",
+      "integrity": "sha512-TYOanM3wGwNGsZN2cVTYPArw454xnXj5qmWF1bEoAc4+cU/ol7GVh7odevjp1FNHduHc3KZMcFduxU5Xc6uJRQ==",
+      "dev": true,
+      "dependencies": {
+        "yocto-queue": "^0.1.0"
+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/eslint/node_modules/p-locate": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-5.0.0.tgz",
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-          "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"
-          }
-        },
-        "mkdirp": {
-          "version": "0.5.5",
-          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.5.tgz",
-          "integrity": "sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==",
+          "version": "4.0.4",
+          "resolved": "https://registry.npmjs.org/gauge/-/gauge-4.0.4.tgz",
+          "integrity": "sha512-f9m+BEN5jkg6a0fZjleidjN51VE1X+mPFQ2DJ0uv1V39oCLCbsGe6yjbBnp7eK7z/+GAon99a3nHuqbuuthyPg==",
           "dev": true,
           "requires": {
-            "minimist": "^1.2.5"
+            "aproba": "^1.0.3 || ^2.0.0",
+            "color-support": "^1.1.3",
+            "console-control-strings": "^1.1.0",
+            "has-unicode": "^2.0.1",
+            "signal-exit": "^3.0.7",
+            "string-width": "^4.2.3",
+            "strip-ansi": "^6.0.1",
+            "wide-align": "^1.1.5"
           }
         },
         "npmlog": {
-          "version": "4.1.2",
-          "resolved": "https://registry.npmjs.org/npmlog/-/npmlog-4.1.2.tgz",
-          "integrity": "sha512-2uUqazuKlTaSI/dC8AzicUck7+IrEaOnN/e0jd3Xtt1KcGpwx30v50mL7oPyr/h9bL3E4aZccVwpwP+5W9Vjkg==",
-          "dev": true,
-          "requires": {
-            "are-we-there-yet": "~1.1.2",
-            "console-control-strings": "~1.1.0",
-            "gauge": "~2.7.3",
-            "set-blocking": "~2.0.0"
-          }
-        },
-        "readable-stream": {
-          "version": "2.3.7",
-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.7.tgz",
-          "integrity": "sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==",
-          "dev": true,
-          "requires": {
-            "core-util-is": "~1.0.0",
-            "inherits": "~2.0.3",
-            "isarray": "~1.0.0",
-            "process-nextick-args": "~2.0.0",
-            "safe-buffer": "~5.1.1",
-            "string_decoder": "~1.1.1",
-            "util-deprecate": "~1.0.1"
-          }
-        },
-        "rimraf": {
-          "version": "2.7.1",
-          "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.7.1.tgz",
-          "integrity": "sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==",
-          "dev": true,
-          "requires": {
-            "glob": "^7.1.3"
-          }
-        },
-        "safe-buffer": {
-          "version": "5.1.2",
-          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
-          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
-          "dev": true
-        },
-        "string_decoder": {
-          "version": "1.1.1",
-          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
-          "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
-          "dev": true,
-          "requires": {
-            "safe-buffer": "~5.1.0"
-          }
-        },
-        "string-width": {
-          "version": "1.0.2",
-          "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
-          "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
-          "dev": true,
-          "requires": {
-            "code-point-at": "^1.0.0",
-            "is-fullwidth-code-point": "^1.0.0",
-            "strip-ansi": "^3.0.0"
-          }
-        },
-        "strip-ansi": {
-          "version": "3.0.1",
-          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
-          "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
+          "version": "6.0.2",
+          "resolved": "https://registry.npmjs.org/npmlog/-/npmlog-6.0.2.tgz",
+          "integrity": "sha512-/vBvz5Jfr9dT/aFWd0FIRf+T/Q2WBsLENygUaFUqstqsycmZAP/t5BvFJTK0viFmSUxiUKTUplWy5vt+rvKIxg==",
           "dev": true,
           "requires": {
-            "ansi-regex": "^2.0.0"
+            "are-we-there-yet": "^3.0.0",
+            "console-control-strings": "^1.1.0",
+            "gauge": "^4.0.3",
+            "set-blocking": "^2.0.0"
           }
         }
       }
@@ -12846,6 +12731,12 @@
         "camelcase": "^5.0.0",
         "decamelize": "^1.2.0"
       }
+    },
+    "yocto-queue": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz",
+      "integrity": "sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==",
+      "dev": true
     }
   }
 }
diff --git a/package.json b/package.json
index b1a8d201ef3..4268b48f40d 100644
--- a/package.json
+++ b/package.json
@@ -55,10 +55,7 @@
     "test:coverage": "nyc --silent qunit test/node_test_setup.js test/lib test/unit",
     "test:visual:coverage": "nyc --silent --no-clean qunit test/node_test_setup.js test/lib test/visual",
     "coverage:report": "nyc report --reporter=lcov --reporter=text",
-    "jslint": "eslint --config .eslintrc.json src/**/*.js",
-    "tslint": "eslint --config .eslintrc.js src/**/*.ts",
-    "lint": "npm run jslint && npm run tslint",
-    "lint-fix": "eslint --fix --config .eslintrc.json src",
+    "lint": "eslint --config .eslintrc.js src/**/*.ts",
     "lint_tests": "eslint test/unit --config .eslintrc_tests && eslint test/visual --config .eslintrc_tests",
     "all": "npm run build && npm run test -- --all && npm run lint && npm run lint_tests && npm run export",
     "testem": "testem .",
@@ -79,7 +76,7 @@
     "chalk": "^2.4.1",
     "commander": "^9.1.0",
     "deep-object-diff": "^1.1.7",
-    "eslint": "^8.18.0",
+    "eslint": "^8.21.0",
     "fs-extra": "^10.0.1",
     "fuzzy": "^0.1.3",
     "inquirer": "^8.2.1",
@@ -91,12 +88,11 @@
     "rollup": "^2.75.6",
     "rollup-plugin-terser": "^7.0.2",
     "rollup-plugin-ts": "^3.0.2",
-    "testem": "^3.2.0",
+    "testem": "^3.8.0",
     "typescript": "^4.7.4"
   },
   "engines": {
     "node": ">=14.0.0"
   },
-  "main": "./dist/fabric.js",
-  "dependencies": {}
+  "main": "./dist/fabric.js"
 }
diff --git a/scripts/index.js b/scripts/index.js
index 947bf0174cd..b2d181dee46 100644
--- a/scripts/index.js
+++ b/scripts/index.js
@@ -91,7 +91,15 @@ function build(options = {}) {
     //     `exclude=${options.exclude.join(',')}`
     // ]
     const args = ['npm run', 'build-rollup'];
-    cp.execSync(args.join(' '), { stdio: 'inherit', cwd: wd, env: { ...process.env, MINIFY: Number(!options.fast) } });
+    let done = false;
+    const task = cp.spawn(args.join(' '), { stdio: 'inherit', shell: true, cwd: wd, env: { ...process.env, MINIFY: Number(!options.fast) } })
+        .on('exit', () => (done = true));
+    return () => {
+        if (!done) {
+            done = true;
+            task.kill();            
+        }
+    };
 }
 
 function startWebsite() {
@@ -363,7 +371,11 @@ program
     .action((options) => {
         const { watch: w, ...rest } = options || {};
         build(rest);
-        w && watch(path.resolve(wd, 'src'), () => build(rest));
+        let kill;
+        w && watch(path.resolve(wd, 'src'), () => {
+            kill && kill();
+            kill = build(rest);
+        });
     });
 
 program
diff --git a/src/brushes/base_brush.class.js b/src/brushes/base_brush.class.ts
similarity index 99%
rename from src/brushes/base_brush.class.js
rename to src/brushes/base_brush.class.ts
index eac06bb3bfe..839d5f2c792 100644
--- a/src/brushes/base_brush.class.js
+++ b/src/brushes/base_brush.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric;
   /**
diff --git a/src/brushes/circle_brush.class.js b/src/brushes/circle_brush.class.ts
similarity index 99%
rename from src/brushes/circle_brush.class.js
rename to src/brushes/circle_brush.class.ts
index ac24fb3663f..0261c211379 100644
--- a/src/brushes/circle_brush.class.js
+++ b/src/brushes/circle_brush.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric;
   /**
diff --git a/src/brushes/pattern_brush.class.js b/src/brushes/pattern_brush.class.ts
similarity index 99%
rename from src/brushes/pattern_brush.class.js
rename to src/brushes/pattern_brush.class.ts
index 26e0e5bb841..eb94698bd8d 100644
--- a/src/brushes/pattern_brush.class.js
+++ b/src/brushes/pattern_brush.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric;
   /**
diff --git a/src/brushes/pencil_brush.class.js b/src/brushes/pencil_brush.class.ts
similarity index 99%
rename from src/brushes/pencil_brush.class.js
rename to src/brushes/pencil_brush.class.ts
index 3221ec16191..59ae1b7070b 100644
--- a/src/brushes/pencil_brush.class.js
+++ b/src/brushes/pencil_brush.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric;
   /**
diff --git a/src/brushes/spray_brush.class.js b/src/brushes/spray_brush.class.ts
similarity index 99%
rename from src/brushes/spray_brush.class.js
rename to src/brushes/spray_brush.class.ts
index 3e8888402d4..430c4ca84d6 100644
--- a/src/brushes/spray_brush.class.js
+++ b/src/brushes/spray_brush.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric;
   /**
diff --git a/src/canvas.class.js b/src/canvas.class.ts
similarity index 99%
rename from src/canvas.class.js
rename to src/canvas.class.ts
index 72bb6f06de7..06f800e0cbb 100644
--- a/src/canvas.class.js
+++ b/src/canvas.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
 
   var fabric = global.fabric, getPointer = fabric.util.getPointer,
diff --git a/src/color.class.js b/src/color.class.ts
similarity index 99%
rename from src/color.class.js
rename to src/color.class.ts
index d51709e6e18..7d8b5a5af38 100644
--- a/src/color.class.js
+++ b/src/color.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric || (global.fabric = { });
   /**
diff --git a/src/constants.ts b/src/constants.ts
index 702666d4980..c50b8d2c337 100644
--- a/src/constants.ts
+++ b/src/constants.ts
@@ -1 +1,2 @@
+//@ts-nocheck
 export const halfPI = Math.PI / 2;
diff --git a/src/control.class.js b/src/control.class.ts
similarity index 99%
rename from src/control.class.js
rename to src/control.class.ts
index e98ae521150..d64b8382cee 100644
--- a/src/control.class.js
+++ b/src/control.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
 
   var fabric = global.fabric || (global.fabric = { });
diff --git a/src/controls.actions.js b/src/controls.actions.ts
similarity index 99%
rename from src/controls.actions.js
rename to src/controls.actions.ts
index c12dc55555a..eef182d37e2 100644
--- a/src/controls.actions.js
+++ b/src/controls.actions.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric || (global.fabric = { }),
       scaleMap = ['e', 'se', 's', 'sw', 'w', 'nw', 'n', 'ne', 'e'],
diff --git a/src/controls.render.js b/src/controls.render.ts
similarity index 99%
rename from src/controls.render.js
rename to src/controls.render.ts
index 0b36223299f..135b4d6f22f 100644
--- a/src/controls.render.js
+++ b/src/controls.render.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric || (global.fabric = { }),
       degreesToRadians = fabric.util.degreesToRadians,
diff --git a/src/elements_parser.js b/src/elements_parser.ts
similarity index 99%
rename from src/elements_parser.js
rename to src/elements_parser.ts
index 1fd81301e62..81740e6778d 100644
--- a/src/elements_parser.js
+++ b/src/elements_parser.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric;
 
diff --git a/src/filters/2d_backend.class.js b/src/filters/2d_backend.class.ts
similarity index 99%
rename from src/filters/2d_backend.class.js
rename to src/filters/2d_backend.class.ts
index 1da233bab24..e3d2826c169 100644
--- a/src/filters/2d_backend.class.js
+++ b/src/filters/2d_backend.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric, noop = function() {};
 
diff --git a/src/filters/base_filter.class.js b/src/filters/base_filter.class.ts
similarity index 99%
rename from src/filters/base_filter.class.js
rename to src/filters/base_filter.class.ts
index 247bfd3b0af..4f7fe600839 100644
--- a/src/filters/base_filter.class.js
+++ b/src/filters/base_filter.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric;
   /**
diff --git a/src/filters/blendcolor_filter.class.js b/src/filters/blendcolor_filter.class.ts
similarity index 99%
rename from src/filters/blendcolor_filter.class.js
rename to src/filters/blendcolor_filter.class.ts
index 4452792ad14..f8435192773 100644
--- a/src/filters/blendcolor_filter.class.js
+++ b/src/filters/blendcolor_filter.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   'use strict';
 
diff --git a/src/filters/blendimage_filter.class.js b/src/filters/blendimage_filter.class.ts
similarity index 99%
rename from src/filters/blendimage_filter.class.js
rename to src/filters/blendimage_filter.class.ts
index 83122859564..35dbfb984f2 100644
--- a/src/filters/blendimage_filter.class.js
+++ b/src/filters/blendimage_filter.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   'use strict';
 
diff --git a/src/filters/blur_filter.class.js b/src/filters/blur_filter.class.ts
similarity index 99%
rename from src/filters/blur_filter.class.js
rename to src/filters/blur_filter.class.ts
index 41cdfc92556..aea4e3572a1 100644
--- a/src/filters/blur_filter.class.js
+++ b/src/filters/blur_filter.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
 
   'use strict';
diff --git a/src/filters/brightness_filter.class.js b/src/filters/brightness_filter.class.ts
similarity index 99%
rename from src/filters/brightness_filter.class.js
rename to src/filters/brightness_filter.class.ts
index f35a22fe3ff..73ac88852d4 100644
--- a/src/filters/brightness_filter.class.js
+++ b/src/filters/brightness_filter.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
 
   'use strict';
diff --git a/src/filters/colormatrix_filter.class.js b/src/filters/colormatrix_filter.class.ts
similarity index 99%
rename from src/filters/colormatrix_filter.class.js
rename to src/filters/colormatrix_filter.class.ts
index 43074b8e57e..052323a7607 100644
--- a/src/filters/colormatrix_filter.class.js
+++ b/src/filters/colormatrix_filter.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
 
   'use strict';
diff --git a/src/filters/composed_filter.class.js b/src/filters/composed_filter.class.ts
similarity index 99%
rename from src/filters/composed_filter.class.js
rename to src/filters/composed_filter.class.ts
index 764f8bc146c..897cb2dad31 100644
--- a/src/filters/composed_filter.class.js
+++ b/src/filters/composed_filter.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
 
   'use strict';
diff --git a/src/filters/contrast_filter.class.js b/src/filters/contrast_filter.class.ts
similarity index 99%
rename from src/filters/contrast_filter.class.js
rename to src/filters/contrast_filter.class.ts
index 2fc8c1310dc..8c88f8df5dd 100644
--- a/src/filters/contrast_filter.class.js
+++ b/src/filters/contrast_filter.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
 
   'use strict';
diff --git a/src/filters/convolute_filter.class.js b/src/filters/convolute_filter.class.ts
similarity index 99%
rename from src/filters/convolute_filter.class.js
rename to src/filters/convolute_filter.class.ts
index f65150c52e4..09de4705a40 100644
--- a/src/filters/convolute_filter.class.js
+++ b/src/filters/convolute_filter.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
 
   'use strict';
diff --git a/src/filters/filter_boilerplate.js b/src/filters/filter_boilerplate.ts
similarity index 99%
rename from src/filters/filter_boilerplate.js
rename to src/filters/filter_boilerplate.ts
index e25a5a95686..325b7e8ec5c 100644
--- a/src/filters/filter_boilerplate.js
+++ b/src/filters/filter_boilerplate.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
 
   'use strict';
diff --git a/src/filters/filter_generator.js b/src/filters/filter_generator.ts
similarity index 99%
rename from src/filters/filter_generator.js
rename to src/filters/filter_generator.ts
index 88a4b823fbd..7d2af710db7 100644
--- a/src/filters/filter_generator.js
+++ b/src/filters/filter_generator.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
 
   'use strict';
diff --git a/src/filters/gamma_filter.class.js b/src/filters/gamma_filter.class.ts
similarity index 99%
rename from src/filters/gamma_filter.class.js
rename to src/filters/gamma_filter.class.ts
index e61dabf4f54..e9b8781e7e5 100644
--- a/src/filters/gamma_filter.class.js
+++ b/src/filters/gamma_filter.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
 
   'use strict';
diff --git a/src/filters/grayscale_filter.class.js b/src/filters/grayscale_filter.class.ts
similarity index 99%
rename from src/filters/grayscale_filter.class.js
rename to src/filters/grayscale_filter.class.ts
index 81bbedca3ea..bebaa607f9a 100644
--- a/src/filters/grayscale_filter.class.js
+++ b/src/filters/grayscale_filter.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
 
   'use strict';
diff --git a/src/filters/hue_rotation.class.js b/src/filters/hue_rotation.class.ts
similarity index 99%
rename from src/filters/hue_rotation.class.js
rename to src/filters/hue_rotation.class.ts
index 06e9fdb502e..c659623090a 100644
--- a/src/filters/hue_rotation.class.js
+++ b/src/filters/hue_rotation.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
 
   'use strict';
diff --git a/src/filters/invert_filter.class.js b/src/filters/invert_filter.class.ts
similarity index 99%
rename from src/filters/invert_filter.class.js
rename to src/filters/invert_filter.class.ts
index eb77a09725b..ce9179e8f8e 100644
--- a/src/filters/invert_filter.class.js
+++ b/src/filters/invert_filter.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
 
   'use strict';
diff --git a/src/filters/noise_filter.class.js b/src/filters/noise_filter.class.ts
similarity index 99%
rename from src/filters/noise_filter.class.js
rename to src/filters/noise_filter.class.ts
index fc34d51a956..9148bf2b58b 100644
--- a/src/filters/noise_filter.class.js
+++ b/src/filters/noise_filter.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
 
   'use strict';
diff --git a/src/filters/pixelate_filter.class.js b/src/filters/pixelate_filter.class.ts
similarity index 99%
rename from src/filters/pixelate_filter.class.js
rename to src/filters/pixelate_filter.class.ts
index 6e67d8505ec..aa08f6f9f7b 100644
--- a/src/filters/pixelate_filter.class.js
+++ b/src/filters/pixelate_filter.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
 
   'use strict';
diff --git a/src/filters/removecolor_filter.class.js b/src/filters/removecolor_filter.class.ts
similarity index 99%
rename from src/filters/removecolor_filter.class.js
rename to src/filters/removecolor_filter.class.ts
index 2604483d2d7..f63b9baac3d 100644
--- a/src/filters/removecolor_filter.class.js
+++ b/src/filters/removecolor_filter.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
 
   'use strict';
diff --git a/src/filters/resize_filter.class.js b/src/filters/resize_filter.class.ts
similarity index 99%
rename from src/filters/resize_filter.class.js
rename to src/filters/resize_filter.class.ts
index f85e15df6fb..d1704bdb352 100644
--- a/src/filters/resize_filter.class.js
+++ b/src/filters/resize_filter.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
 
   'use strict';
diff --git a/src/filters/saturate_filter.class.js b/src/filters/saturate_filter.class.ts
similarity index 99%
rename from src/filters/saturate_filter.class.js
rename to src/filters/saturate_filter.class.ts
index e0b3a10a11d..3de35d89868 100644
--- a/src/filters/saturate_filter.class.js
+++ b/src/filters/saturate_filter.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
 
   'use strict';
diff --git a/src/filters/vibrance_filter.class.js b/src/filters/vibrance_filter.class.ts
similarity index 99%
rename from src/filters/vibrance_filter.class.js
rename to src/filters/vibrance_filter.class.ts
index ec23e362621..515d4844e66 100644
--- a/src/filters/vibrance_filter.class.js
+++ b/src/filters/vibrance_filter.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
 
   'use strict';
diff --git a/src/filters/webgl_backend.class.js b/src/filters/webgl_backend.class.ts
similarity index 99%
rename from src/filters/webgl_backend.class.js
rename to src/filters/webgl_backend.class.ts
index da3807c2697..ba2060b3e92 100644
--- a/src/filters/webgl_backend.class.js
+++ b/src/filters/webgl_backend.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric;
   /**
diff --git a/src/gradient.class.js b/src/gradient.class.ts
similarity index 99%
rename from src/gradient.class.js
rename to src/gradient.class.ts
index 733dc0302c2..9932de30efe 100644
--- a/src/gradient.class.js
+++ b/src/gradient.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric;
   /* _FROM_SVG_START_ */
diff --git a/src/intersection.class.js b/src/intersection.class.ts
similarity index 99%
rename from src/intersection.class.js
rename to src/intersection.class.ts
index fe16b68cb46..d7f5edafef6 100644
--- a/src/intersection.class.js
+++ b/src/intersection.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   /* Adaptation of work of Kevin Lindsey (kevin@kevlindev.com) */
   var fabric = global.fabric || (global.fabric = { });
diff --git a/src/log.js b/src/log.ts
similarity index 96%
rename from src/log.js
rename to src/log.ts
index 15fe75a708b..85a29e98cf9 100644
--- a/src/log.js
+++ b/src/log.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric || (global.fabric = { });
   /**
diff --git a/src/mixins/animation.mixin.js b/src/mixins/animation.mixin.ts
similarity index 99%
rename from src/mixins/animation.mixin.js
rename to src/mixins/animation.mixin.ts
index ca9182ab3d9..fe39948d75f 100644
--- a/src/mixins/animation.mixin.js
+++ b/src/mixins/animation.mixin.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function (global) {
   var fabric = global.fabric;
   fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.StaticCanvas.prototype */ {
diff --git a/src/mixins/canvas_dataurl_exporter.mixin.js b/src/mixins/canvas_dataurl_exporter.mixin.ts
similarity index 99%
rename from src/mixins/canvas_dataurl_exporter.mixin.js
rename to src/mixins/canvas_dataurl_exporter.mixin.ts
index e234886f9d5..4d4010a88d1 100644
--- a/src/mixins/canvas_dataurl_exporter.mixin.js
+++ b/src/mixins/canvas_dataurl_exporter.mixin.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function (global) {
   var fabric = global.fabric;
   fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.StaticCanvas.prototype */ {
diff --git a/src/mixins/canvas_events.mixin.js b/src/mixins/canvas_events.mixin.ts
similarity index 99%
rename from src/mixins/canvas_events.mixin.js
rename to src/mixins/canvas_events.mixin.ts
index b3bbcf86dce..aee2a916833 100644
--- a/src/mixins/canvas_events.mixin.js
+++ b/src/mixins/canvas_events.mixin.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
 
   var fabric = global.fabric,
diff --git a/src/mixins/canvas_gestures.mixin.js b/src/mixins/canvas_gestures.mixin.ts
similarity index 99%
rename from src/mixins/canvas_gestures.mixin.js
rename to src/mixins/canvas_gestures.mixin.ts
index bee8bc35aa5..de28b179832 100644
--- a/src/mixins/canvas_gestures.mixin.js
+++ b/src/mixins/canvas_gestures.mixin.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
 
   var fabric = global.fabric, degreesToRadians = fabric.util.degreesToRadians,
diff --git a/src/mixins/canvas_grouping.mixin.js b/src/mixins/canvas_grouping.mixin.ts
similarity index 99%
rename from src/mixins/canvas_grouping.mixin.js
rename to src/mixins/canvas_grouping.mixin.ts
index ca655a0b1d9..48bd9aaef1c 100644
--- a/src/mixins/canvas_grouping.mixin.js
+++ b/src/mixins/canvas_grouping.mixin.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
 
   var fabric = global.fabric,
diff --git a/src/mixins/canvas_serialization.mixin.js b/src/mixins/canvas_serialization.mixin.ts
similarity index 99%
rename from src/mixins/canvas_serialization.mixin.js
rename to src/mixins/canvas_serialization.mixin.ts
index 23b656083d0..a1706c3d078 100644
--- a/src/mixins/canvas_serialization.mixin.js
+++ b/src/mixins/canvas_serialization.mixin.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function (global) {
   var fabric = global.fabric;
   fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.StaticCanvas.prototype */ {
diff --git a/src/mixins/collection.mixin.js b/src/mixins/collection.mixin.ts
similarity index 99%
rename from src/mixins/collection.mixin.js
rename to src/mixins/collection.mixin.ts
index a403493858b..66a75d2b21b 100644
--- a/src/mixins/collection.mixin.js
+++ b/src/mixins/collection.mixin.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global){
   var fabric = global.fabric;
   /**
diff --git a/src/mixins/default_controls.js b/src/mixins/default_controls.ts
similarity index 99%
rename from src/mixins/default_controls.js
rename to src/mixins/default_controls.ts
index d19c21296e6..55d0977a707 100644
--- a/src/mixins/default_controls.js
+++ b/src/mixins/default_controls.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
 
   var fabric = global.fabric, controlsUtils = fabric.controlsUtils,
diff --git a/src/mixins/eraser_brush.mixin.js b/src/mixins/eraser_brush.mixin.ts
similarity index 99%
rename from src/mixins/eraser_brush.mixin.js
rename to src/mixins/eraser_brush.mixin.ts
index 9619bba1431..8f3cef1c1f8 100644
--- a/src/mixins/eraser_brush.mixin.js
+++ b/src/mixins/eraser_brush.mixin.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function (global) {
   /** ERASER_START */
 
diff --git a/src/mixins/itext.svg_export.js b/src/mixins/itext.svg_export.ts
similarity index 99%
rename from src/mixins/itext.svg_export.js
rename to src/mixins/itext.svg_export.ts
index 901beef4fe4..6a467d61e1a 100644
--- a/src/mixins/itext.svg_export.js
+++ b/src/mixins/itext.svg_export.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 /* _TO_SVG_START_ */
 (function(global) {
   var fabric = global.fabric, toFixed = fabric.util.toFixed,
diff --git a/src/mixins/itext_behavior.mixin.js b/src/mixins/itext_behavior.mixin.ts
similarity index 99%
rename from src/mixins/itext_behavior.mixin.js
rename to src/mixins/itext_behavior.mixin.ts
index c5ae5005900..f24ab951fcc 100644
--- a/src/mixins/itext_behavior.mixin.js
+++ b/src/mixins/itext_behavior.mixin.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric;
   fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.prototype */ {
diff --git a/src/mixins/itext_click_behavior.mixin.js b/src/mixins/itext_click_behavior.mixin.ts
similarity index 99%
rename from src/mixins/itext_click_behavior.mixin.js
rename to src/mixins/itext_click_behavior.mixin.ts
index 9abcf95ad74..09022fec6bb 100644
--- a/src/mixins/itext_click_behavior.mixin.js
+++ b/src/mixins/itext_click_behavior.mixin.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric;
   fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.prototype */ {
diff --git a/src/mixins/itext_key_behavior.mixin.js b/src/mixins/itext_key_behavior.mixin.ts
similarity index 99%
rename from src/mixins/itext_key_behavior.mixin.js
rename to src/mixins/itext_key_behavior.mixin.ts
index bf55acff5f4..9982cdf3340 100644
--- a/src/mixins/itext_key_behavior.mixin.js
+++ b/src/mixins/itext_key_behavior.mixin.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric;
   fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.prototype */ {
diff --git a/src/mixins/object.svg_export.js b/src/mixins/object.svg_export.ts
similarity index 99%
rename from src/mixins/object.svg_export.js
rename to src/mixins/object.svg_export.ts
index 646f95459f0..e369d8c53d9 100644
--- a/src/mixins/object.svg_export.js
+++ b/src/mixins/object.svg_export.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 /* _TO_SVG_START_ */
 (function(global) {
   var fabric = global.fabric;
diff --git a/src/mixins/object_ancestry.mixin.js b/src/mixins/object_ancestry.mixin.ts
similarity index 99%
rename from src/mixins/object_ancestry.mixin.js
rename to src/mixins/object_ancestry.mixin.ts
index 0fae04155b0..a67ad6833a1 100644
--- a/src/mixins/object_ancestry.mixin.js
+++ b/src/mixins/object_ancestry.mixin.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function (global) {
   var fabric = global.fabric;
   fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prototype */ {
diff --git a/src/mixins/object_geometry.mixin.js b/src/mixins/object_geometry.mixin.ts
similarity index 99%
rename from src/mixins/object_geometry.mixin.js
rename to src/mixins/object_geometry.mixin.ts
index 34aa7a1f549..5636a720389 100644
--- a/src/mixins/object_geometry.mixin.js
+++ b/src/mixins/object_geometry.mixin.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
 
   function arrayFromCoords(coords) {
diff --git a/src/mixins/object_interactivity.mixin.js b/src/mixins/object_interactivity.mixin.ts
similarity index 99%
rename from src/mixins/object_interactivity.mixin.js
rename to src/mixins/object_interactivity.mixin.ts
index d4f8c66a1e5..81241e4231d 100644
--- a/src/mixins/object_interactivity.mixin.js
+++ b/src/mixins/object_interactivity.mixin.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
 
   var fabric = global.fabric, degreesToRadians = fabric.util.degreesToRadians;
diff --git a/src/mixins/object_origin.mixin.js b/src/mixins/object_origin.mixin.ts
similarity index 99%
rename from src/mixins/object_origin.mixin.js
rename to src/mixins/object_origin.mixin.ts
index 827f6db2654..b716bbb11de 100644
--- a/src/mixins/object_origin.mixin.js
+++ b/src/mixins/object_origin.mixin.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
 
   var fabric = global.fabric, degreesToRadians = fabric.util.degreesToRadians,
diff --git a/src/mixins/object_stacking.mixin.js b/src/mixins/object_stacking.mixin.ts
similarity index 99%
rename from src/mixins/object_stacking.mixin.js
rename to src/mixins/object_stacking.mixin.ts
index 55daec82e26..2084b9cb586 100644
--- a/src/mixins/object_stacking.mixin.js
+++ b/src/mixins/object_stacking.mixin.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function (global) {
   var fabric = global.fabric;
   fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prototype */ {
diff --git a/src/mixins/object_straightening.mixin.js b/src/mixins/object_straightening.mixin.ts
similarity index 99%
rename from src/mixins/object_straightening.mixin.js
rename to src/mixins/object_straightening.mixin.ts
index f7217c170b1..22bcc613690 100644
--- a/src/mixins/object_straightening.mixin.js
+++ b/src/mixins/object_straightening.mixin.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function (global) {
   var fabric = global.fabric;
   fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prototype */ {
diff --git a/src/mixins/observable.mixin.js b/src/mixins/observable.mixin.ts
similarity index 99%
rename from src/mixins/observable.mixin.js
rename to src/mixins/observable.mixin.ts
index 6b23c8a37f1..8c469204353 100644
--- a/src/mixins/observable.mixin.js
+++ b/src/mixins/observable.mixin.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric;
   /**
diff --git a/src/mixins/shared_methods.mixin.js b/src/mixins/shared_methods.mixin.ts
similarity index 99%
rename from src/mixins/shared_methods.mixin.js
rename to src/mixins/shared_methods.mixin.ts
index 12f5a270c3b..68a01916716 100644
--- a/src/mixins/shared_methods.mixin.js
+++ b/src/mixins/shared_methods.mixin.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global){
   var fabric = global.fabric;
   /**
diff --git a/src/mixins/stateful.mixin.js b/src/mixins/stateful.mixin.ts
similarity index 99%
rename from src/mixins/stateful.mixin.js
rename to src/mixins/stateful.mixin.ts
index f44a287e2fb..988f9fe1ec5 100644
--- a/src/mixins/stateful.mixin.js
+++ b/src/mixins/stateful.mixin.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric, extend = fabric.util.object.extend,
       originalSet = 'stateProperties';
diff --git a/src/mixins/text_style.mixin.js b/src/mixins/text_style.mixin.ts
similarity index 99%
rename from src/mixins/text_style.mixin.js
rename to src/mixins/text_style.mixin.ts
index 82dedd9b911..33afd34aed8 100644
--- a/src/mixins/text_style.mixin.js
+++ b/src/mixins/text_style.mixin.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric;
   fabric.util.object.extend(fabric.Text.prototype, /** @lends fabric.Text.prototype */ {
diff --git a/src/parser.js b/src/parser.ts
similarity index 99%
rename from src/parser.js
rename to src/parser.ts
index b1ced91e1c4..307286bae74 100644
--- a/src/parser.js
+++ b/src/parser.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   /**
    * @name fabric
diff --git a/src/pattern.class.js b/src/pattern.class.ts
similarity index 99%
rename from src/pattern.class.js
rename to src/pattern.class.ts
index 841903cc389..0f8bbe462da 100644
--- a/src/pattern.class.js
+++ b/src/pattern.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric, toFixed = fabric.util.toFixed;
 
diff --git a/src/point.class.js b/src/point.class.ts
similarity index 99%
rename from src/point.class.js
rename to src/point.class.ts
index b88b7f16ab1..ecd11d4516d 100644
--- a/src/point.class.js
+++ b/src/point.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   /* Adaptation of work of Kevin Lindsey (kevin@kevlindev.com) */
 
diff --git a/src/shadow.class.js b/src/shadow.class.ts
similarity index 99%
rename from src/shadow.class.js
rename to src/shadow.class.ts
index fdae041a2c8..127851233c0 100644
--- a/src/shadow.class.js
+++ b/src/shadow.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric || (global.fabric = { }),
       toFixed = fabric.util.toFixed;
diff --git a/src/shapes/active_selection.class.js b/src/shapes/active_selection.class.ts
similarity index 99%
rename from src/shapes/active_selection.class.js
rename to src/shapes/active_selection.class.ts
index f9c6b1d3b7f..5423bfadebb 100644
--- a/src/shapes/active_selection.class.js
+++ b/src/shapes/active_selection.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric || (global.fabric = { });
 
diff --git a/src/shapes/circle.class.js b/src/shapes/circle.class.ts
similarity index 99%
rename from src/shapes/circle.class.js
rename to src/shapes/circle.class.ts
index b21357e2ee0..735dc512b99 100644
--- a/src/shapes/circle.class.js
+++ b/src/shapes/circle.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric || (global.fabric = { }),
       degreesToRadians = fabric.util.degreesToRadians;
diff --git a/src/shapes/ellipse.class.js b/src/shapes/ellipse.class.ts
similarity index 99%
rename from src/shapes/ellipse.class.js
rename to src/shapes/ellipse.class.ts
index a9224dc5889..2e8d4b7199b 100644
--- a/src/shapes/ellipse.class.js
+++ b/src/shapes/ellipse.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric || (global.fabric = { }),
       piBy2   = Math.PI * 2;
diff --git a/src/shapes/group.class.js b/src/shapes/group.class.ts
similarity index 99%
rename from src/shapes/group.class.js
rename to src/shapes/group.class.ts
index 5016a3fb1ad..fc75da8d458 100644
--- a/src/shapes/group.class.js
+++ b/src/shapes/group.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function (global) {
   var fabric = global.fabric || (global.fabric = {}),
       multiplyTransformMatrices = fabric.util.multiplyTransformMatrices,
diff --git a/src/shapes/image.class.js b/src/shapes/image.class.ts
similarity index 99%
rename from src/shapes/image.class.js
rename to src/shapes/image.class.ts
index 8a9562121e7..8962a6f1bfc 100644
--- a/src/shapes/image.class.js
+++ b/src/shapes/image.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric, extend = fabric.util.object.extend;
   /**
diff --git a/src/shapes/itext.class.js b/src/shapes/itext.class.ts
similarity index 99%
rename from src/shapes/itext.class.js
rename to src/shapes/itext.class.ts
index 01269c094ed..bd2ecda411f 100644
--- a/src/shapes/itext.class.js
+++ b/src/shapes/itext.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric;
   /**
diff --git a/src/shapes/line.class.js b/src/shapes/line.class.ts
similarity index 99%
rename from src/shapes/line.class.js
rename to src/shapes/line.class.ts
index a07d74c03bd..450407f275f 100644
--- a/src/shapes/line.class.js
+++ b/src/shapes/line.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric || (global.fabric = { }),
       extend = fabric.util.object.extend,
diff --git a/src/shapes/object.class.js b/src/shapes/object.class.ts
similarity index 99%
rename from src/shapes/object.class.js
rename to src/shapes/object.class.ts
index d9e1582b997..2d481c87d94 100644
--- a/src/shapes/object.class.js
+++ b/src/shapes/object.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric || (global.fabric = { }),
       extend = fabric.util.object.extend,
diff --git a/src/shapes/path.class.js b/src/shapes/path.class.ts
similarity index 99%
rename from src/shapes/path.class.js
rename to src/shapes/path.class.ts
index 7c6b0d62aa6..3387d4de2bf 100644
--- a/src/shapes/path.class.js
+++ b/src/shapes/path.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric || (global.fabric = { }),
       min = fabric.util.array.min,
diff --git a/src/shapes/polygon.class.js b/src/shapes/polygon.class.ts
similarity index 99%
rename from src/shapes/polygon.class.js
rename to src/shapes/polygon.class.ts
index 81e4059f8ac..c1405b11009 100644
--- a/src/shapes/polygon.class.js
+++ b/src/shapes/polygon.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric || (global.fabric = {}),
       projectStrokeOnPoints = fabric.util.projectStrokeOnPoints;
diff --git a/src/shapes/polyline.class.js b/src/shapes/polyline.class.ts
similarity index 99%
rename from src/shapes/polyline.class.js
rename to src/shapes/polyline.class.ts
index 0135a6d654f..ae701d628c5 100644
--- a/src/shapes/polyline.class.js
+++ b/src/shapes/polyline.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric || (global.fabric = { }),
       extend = fabric.util.object.extend,
diff --git a/src/shapes/rect.class.js b/src/shapes/rect.class.ts
similarity index 99%
rename from src/shapes/rect.class.js
rename to src/shapes/rect.class.ts
index 58abeaff401..1be8f2d65ce 100644
--- a/src/shapes/rect.class.js
+++ b/src/shapes/rect.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric || (global.fabric = { });
 
diff --git a/src/shapes/text.class.js b/src/shapes/text.class.ts
similarity index 99%
rename from src/shapes/text.class.js
rename to src/shapes/text.class.ts
index 7222d59cecd..1f148f9f0a6 100644
--- a/src/shapes/text.class.js
+++ b/src/shapes/text.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric || (global.fabric = { });
 
diff --git a/src/shapes/textbox.class.js b/src/shapes/textbox.class.ts
similarity index 99%
rename from src/shapes/textbox.class.js
rename to src/shapes/textbox.class.ts
index d6df407c536..c224eb9f3b3 100644
--- a/src/shapes/textbox.class.js
+++ b/src/shapes/textbox.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric || (global.fabric = {});
 
diff --git a/src/shapes/triangle.class.js b/src/shapes/triangle.class.ts
similarity index 99%
rename from src/shapes/triangle.class.js
rename to src/shapes/triangle.class.ts
index 539fa910748..570b334ba93 100644
--- a/src/shapes/triangle.class.js
+++ b/src/shapes/triangle.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric || (global.fabric = { });
   /**
diff --git a/src/static_canvas.class.js b/src/static_canvas.class.ts
similarity index 99%
rename from src/static_canvas.class.js
rename to src/static_canvas.class.ts
index cb527f2d2a6..f04f9446ab0 100644
--- a/src/static_canvas.class.js
+++ b/src/static_canvas.class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function (global) {
   // aliases for faster resolution
   var fabric = global.fabric, extend = fabric.util.object.extend,
diff --git a/src/typedefs.ts b/src/typedefs.ts
index c2ad6c0ac00..55149845c32 100644
--- a/src/typedefs.ts
+++ b/src/typedefs.ts
@@ -1,10 +1,13 @@
+//@ts-nocheck
 interface NominalTag<T> {
   'nominalTag': T;
 }
 
 type Nominal<Type, Tag> = NominalTag<Tag> & Type;
 
+// eslint-disable-next-line no-unused-vars
 const enum Degree {}
+// eslint-disable-next-line no-unused-vars
 const enum Radian {}
 
 export type TDegree = Nominal<number, Degree>;
diff --git a/src/util/anim_ease.js b/src/util/anim_ease.ts
similarity index 99%
rename from src/util/anim_ease.js
rename to src/util/anim_ease.ts
index 446c09eaf37..52d9c5187c5 100644
--- a/src/util/anim_ease.js
+++ b/src/util/anim_ease.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric;
   function normalize(a, c, p, s) {
diff --git a/src/util/animate.js b/src/util/animate.ts
similarity index 99%
rename from src/util/animate.js
rename to src/util/animate.ts
index cb78ba61e67..525ed8a13f4 100644
--- a/src/util/animate.js
+++ b/src/util/animate.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function (global) {
   /**
    *
diff --git a/src/util/animate_color.js b/src/util/animate_color.ts
similarity index 99%
rename from src/util/animate_color.js
rename to src/util/animate_color.ts
index 12e0f3d3160..47e831adc13 100644
--- a/src/util/animate_color.js
+++ b/src/util/animate_color.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric;
   // Calculate an in-between color. Returns a "rgba()" string.
diff --git a/src/util/cos.ts b/src/util/cos.ts
index 20bc2e13fa5..e19bf81c45b 100644
--- a/src/util/cos.ts
+++ b/src/util/cos.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 import type { TRadian } from '../typedefs';
 import { halfPI } from '../constants';
 
diff --git a/src/util/dom_event.js b/src/util/dom_event.ts
similarity index 99%
rename from src/util/dom_event.js
rename to src/util/dom_event.ts
index 273dca0aa44..76404e72c7c 100644
--- a/src/util/dom_event.js
+++ b/src/util/dom_event.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function (global) {
   // since ie11 can use addEventListener but they do not support options, i need to check
   var fabric = global.fabric, couldUseAttachEvent = !!fabric.document.createElement('div').attachEvent,
diff --git a/src/util/dom_misc.js b/src/util/dom_misc.ts
similarity index 99%
rename from src/util/dom_misc.js
rename to src/util/dom_misc.ts
index 267ff9f848e..1f877eae5ac 100644
--- a/src/util/dom_misc.js
+++ b/src/util/dom_misc.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
 
   var fabric = global.fabric, _slice = Array.prototype.slice;
diff --git a/src/util/dom_request.js b/src/util/dom_request.ts
similarity index 99%
rename from src/util/dom_request.js
rename to src/util/dom_request.ts
index 65ea0a68706..78a5ab3cf0b 100644
--- a/src/util/dom_request.js
+++ b/src/util/dom_request.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric;
   function addParamToUrl(url, param) {
diff --git a/src/util/dom_style.js b/src/util/dom_style.ts
similarity index 99%
rename from src/util/dom_style.js
rename to src/util/dom_style.ts
index 461cff8c6ea..6d6183b5b5e 100644
--- a/src/util/dom_style.js
+++ b/src/util/dom_style.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function (global) {
   var fabric = global.fabric;
   /* this file needs to go away, cross browser style support is not fabricjs domain.
diff --git a/src/util/index.ts b/src/util/index.ts
index 857114098f1..03f7bbb9fe9 100644
--- a/src/util/index.ts
+++ b/src/util/index.ts
@@ -1 +1,2 @@
+//@ts-nocheck
 export * from './cos';
diff --git a/src/util/lang_array.js b/src/util/lang_array.ts
similarity index 99%
rename from src/util/lang_array.js
rename to src/util/lang_array.ts
index 9347e028abf..f2a69a30f4e 100644
--- a/src/util/lang_array.js
+++ b/src/util/lang_array.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
 
   var fabric = global.fabric, slice = Array.prototype.slice;
diff --git a/src/util/lang_class.js b/src/util/lang_class.ts
similarity index 99%
rename from src/util/lang_class.js
rename to src/util/lang_class.ts
index 99df86b1fe5..43c1067a002 100644
--- a/src/util/lang_class.js
+++ b/src/util/lang_class.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
 
   var fabric = global.fabric, slice = Array.prototype.slice, emptyFunction = function() { },
diff --git a/src/util/lang_object.js b/src/util/lang_object.ts
similarity index 99%
rename from src/util/lang_object.js
rename to src/util/lang_object.ts
index 0d278c9220c..afc70af5b0c 100644
--- a/src/util/lang_object.js
+++ b/src/util/lang_object.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric;
   /**
diff --git a/src/util/lang_string.js b/src/util/lang_string.ts
similarity index 99%
rename from src/util/lang_string.js
rename to src/util/lang_string.ts
index 2e6840c5c9d..659582ad841 100644
--- a/src/util/lang_string.js
+++ b/src/util/lang_string.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric;
   /**
diff --git a/src/util/misc.js b/src/util/misc.ts
similarity index 99%
rename from src/util/misc.js
rename to src/util/misc.ts
index c73095ae031..98c933d9b03 100644
--- a/src/util/misc.js
+++ b/src/util/misc.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 import { cos } from './index.ts';
 (function(global) {
   var fabric = global.fabric, sqrt = Math.sqrt,
diff --git a/src/util/named_accessors.mixin.js b/src/util/named_accessors.mixin.ts
similarity index 99%
rename from src/util/named_accessors.mixin.js
rename to src/util/named_accessors.mixin.ts
index 2b915338f6f..20d89e9be5f 100644
--- a/src/util/named_accessors.mixin.js
+++ b/src/util/named_accessors.mixin.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric;
   /**
diff --git a/src/util/path.js b/src/util/path.ts
similarity index 99%
rename from src/util/path.js
rename to src/util/path.ts
index 90f21cb6443..3006875baff 100644
--- a/src/util/path.js
+++ b/src/util/path.ts
@@ -1,3 +1,4 @@
+//@ts-nocheck
 (function(global) {
   var fabric = global.fabric,
       _join = Array.prototype.join,