diff --git a/.eslintrc.js b/.eslintrc.cjs
similarity index 73%
rename from .eslintrc.js
rename to .eslintrc.cjs
index 144e5630b..40bdc7e45 100644
--- a/.eslintrc.js
+++ b/.eslintrc.cjs
@@ -1,14 +1,17 @@
+// @ts-check
+
 "use strict";
 
 require("@rushstack/eslint-patch/modern-module-resolution");
 
+/** @type import('eslint').Linter.Config */
 module.exports = {
   env: {
     browser: true,
     node: true,
     jest: true,
   },
-  ignorePatterns: ["*.js"],
+  ignorePatterns: ["*.js", "*.cjs"],
   extends: ["@saberhq/eslint-config-react"],
   parserOptions: {
     project: "tsconfig.json",
diff --git a/package.json b/package.json
index d6bd97f29..7ebdbc506 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,6 @@
 {
   "private": true,
+  "type": "module",
   "name": "@saberhq/saber-common",
   "description": "Common libraries across Saber projects.",
   "workspaces": [
@@ -25,6 +26,7 @@
     "@types/babel__core": "^7.1.19",
     "@types/babel__preset-env": "^7.9.2",
     "@types/bn.js": "^5.1.0",
+    "@types/eslint": "^8.4.2",
     "@types/jest": "^27.5.1",
     "@types/node": "^17.0.36",
     "@types/react": "^18.0.9",
diff --git a/packages/eslint-config-react/package.json b/packages/eslint-config-react/package.json
index 4615d142a..bba1677d0 100644
--- a/packages/eslint-config-react/package.json
+++ b/packages/eslint-config-react/package.json
@@ -12,10 +12,15 @@
     "saber",
     "react"
   ],
-  "main": "lib/eslint-config-react.js",
+  "type": "commonjs",
+  "main": "dist/cjs/eslint-config-react.cjs",
   "files": [
     "lib"
   ],
+  "scripts": {
+    "build": "tsc",
+    "clean": "rm -fr dist/"
+  },
   "publishConfig": {
     "access": "public"
   },
@@ -27,5 +32,12 @@
     "eslint-plugin-jsx-a11y": "^6.5.1",
     "eslint-plugin-react": "^7.30.0",
     "eslint-plugin-react-hooks": "^4.5.0"
+  },
+  "devDependencies": {
+    "@saberhq/tsconfig": "workspace:^",
+    "@types/eslint": "^8.4.2",
+    "@types/node": "^17.0.38",
+    "eslint": "^8.16.0",
+    "typescript": "^4.7.2"
   }
 }
diff --git a/packages/eslint-config-react/lib/eslint-config-react.js b/packages/eslint-config-react/src/eslint-config-react.cts
similarity index 76%
rename from packages/eslint-config-react/lib/eslint-config-react.js
rename to packages/eslint-config-react/src/eslint-config-react.cts
index 813c313e7..55326c25f 100644
--- a/packages/eslint-config-react/lib/eslint-config-react.js
+++ b/packages/eslint-config-react/src/eslint-config-react.cts
@@ -1,6 +1,6 @@
-"use strict";
+import type { Linter } from "eslint";
 
-module.exports = {
+const config: Linter.Config = {
   env: {
     browser: true,
   },
@@ -16,3 +16,5 @@ module.exports = {
     "react/no-unescaped-entities": "off",
   },
 };
+
+module.exports = config;
diff --git a/packages/eslint-config-react/tsconfig.json b/packages/eslint-config-react/tsconfig.json
new file mode 100644
index 000000000..65f98a4d6
--- /dev/null
+++ b/packages/eslint-config-react/tsconfig.json
@@ -0,0 +1,8 @@
+{
+  "extends": "@saberhq/tsconfig/tsconfig.cjs.json",
+  "compilerOptions": {
+    "outDir": "dist/cjs/",
+    "types": ["node"]
+  },
+  "include": ["src/"]
+}
diff --git a/packages/eslint-config/package.json b/packages/eslint-config/package.json
index 4d16492d0..dac173a13 100644
--- a/packages/eslint-config/package.json
+++ b/packages/eslint-config/package.json
@@ -11,10 +11,15 @@
     "eslint",
     "saber"
   ],
-  "main": "lib/eslint-config.js",
+  "type": "commonjs",
+  "main": "dist/cjs/eslint-config.cjs",
   "files": [
     "lib"
   ],
+  "scripts": {
+    "build": "tsc",
+    "clean": "rm -fr dist/"
+  },
   "publishConfig": {
     "access": "public"
   },
@@ -31,5 +36,12 @@
     "eslint-plugin-simple-import-sort": "^7.0.0",
     "eslint-plugin-unused-imports": "^2.0.0",
     "prettier": "^2.6.2"
+  },
+  "devDependencies": {
+    "@saberhq/tsconfig": "workspace:^",
+    "@types/eslint": "^8.4.2",
+    "@types/node": "^17.0.38",
+    "eslint": "^8.16.0",
+    "typescript": "^4.7.2"
   }
 }
diff --git a/packages/eslint-config/lib/eslint-config.js b/packages/eslint-config/src/eslint-config.cts
similarity index 93%
rename from packages/eslint-config/lib/eslint-config.js
rename to packages/eslint-config/src/eslint-config.cts
index bdd44c0b3..4582cb076 100644
--- a/packages/eslint-config/lib/eslint-config.js
+++ b/packages/eslint-config/src/eslint-config.cts
@@ -1,6 +1,6 @@
-"use strict";
+import type { Linter } from "eslint";
 
-module.exports = {
+const config: Linter.Config = {
   root: true,
   ignorePatterns: ["dist/", "*.js"],
   parser: "@typescript-eslint/parser",
@@ -49,3 +49,5 @@ module.exports = {
     ],
   },
 };
+
+module.exports = config;
diff --git a/packages/eslint-config/tsconfig.json b/packages/eslint-config/tsconfig.json
new file mode 100644
index 000000000..65f98a4d6
--- /dev/null
+++ b/packages/eslint-config/tsconfig.json
@@ -0,0 +1,8 @@
+{
+  "extends": "@saberhq/tsconfig/tsconfig.cjs.json",
+  "compilerOptions": {
+    "outDir": "dist/cjs/",
+    "types": ["node"]
+  },
+  "include": ["src/"]
+}
diff --git a/yarn.lock b/yarn.lock
index 4cd7c87e0..50d148ea9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2218,9 +2218,14 @@ __metadata:
   resolution: "@saberhq/eslint-config-react@workspace:packages/eslint-config-react"
   dependencies:
     "@saberhq/eslint-config": "workspace:^"
+    "@saberhq/tsconfig": "workspace:^"
+    "@types/eslint": ^8.4.2
+    "@types/node": ^17.0.38
+    eslint: ^8.16.0
     eslint-plugin-jsx-a11y: ^6.5.1
     eslint-plugin-react: ^7.30.0
     eslint-plugin-react-hooks: ^4.5.0
+    typescript: ^4.7.2
   peerDependencies:
     eslint: ">=7"
   languageName: unknown
@@ -2230,8 +2235,12 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@saberhq/eslint-config@workspace:packages/eslint-config"
   dependencies:
+    "@saberhq/tsconfig": "workspace:^"
+    "@types/eslint": ^8.4.2
+    "@types/node": ^17.0.38
     "@typescript-eslint/eslint-plugin": ^5.26.0
     "@typescript-eslint/parser": ^5.26.0
+    eslint: ^8.16.0
     eslint-config-prettier: ^8.5.0
     eslint-import-resolver-node: ^0.3.6
     eslint-plugin-import: ^2.26.0
@@ -2239,6 +2248,7 @@ __metadata:
     eslint-plugin-simple-import-sort: ^7.0.0
     eslint-plugin-unused-imports: ^2.0.0
     prettier: ^2.6.2
+    typescript: ^4.7.2
   peerDependencies:
     eslint: ">=7"
   languageName: unknown
@@ -2273,6 +2283,7 @@ __metadata:
     "@types/babel__core": ^7.1.19
     "@types/babel__preset-env": ^7.9.2
     "@types/bn.js": ^5.1.0
+    "@types/eslint": ^8.4.2
     "@types/jest": ^27.5.1
     "@types/node": ^17.0.36
     "@types/react": ^18.0.9
@@ -3013,6 +3024,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@types/eslint@npm:^8.4.2":
+  version: 8.4.2
+  resolution: "@types/eslint@npm:8.4.2"
+  dependencies:
+    "@types/estree": "*"
+    "@types/json-schema": "*"
+  checksum: e81268cdeb8d64d84af649344df88f064ece0f05db62072657c976b6162ffe16f94b6480a5367d627c629272c2d86d0ee8c24f7095e98f8e743b16f98500673b
+  languageName: node
+  linkType: hard
+
 "@types/estree@npm:*, @types/estree@npm:^0.0.51":
   version: 0.0.51
   resolution: "@types/estree@npm:0.0.51"
@@ -3165,6 +3186,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@types/node@npm:^17.0.38":
+  version: 17.0.38
+  resolution: "@types/node@npm:17.0.38"
+  checksum: 9db1c39d603850ced665ab60b8f8ebce674ff9d762dfff0f776d520e71e4d73fdcd4c7f69213b804d878cf3e726911b09cae4ee66e35ae2724538de9f4838681
+  languageName: node
+  linkType: hard
+
 "@types/prettier@npm:^2.1.5":
   version: 2.6.0
   resolution: "@types/prettier@npm:2.6.0"