diff --git a/.eslintrc.json b/.eslintrc.json
new file mode 100644
index 0000000..53cda25
--- /dev/null
+++ b/.eslintrc.json
@@ -0,0 +1,18 @@
+{
+  "env": {
+    "es6": true
+  },
+  "extends": [
+    "eslint:recommended",
+    "plugin:@typescript-eslint/eslint-recommended",
+    "plugin:@typescript-eslint/recommended",
+    "plugin:@typescript-eslint/recommended-requiring-type-checking",
+    "prettier"
+  ],
+  "ignorePatterns": ["**/.eslintrc.cjs", "**/node_modules/**", "**/dist/**", "**/jest.config.js"],
+  "parser": "@typescript-eslint/parser",
+  "plugins": ["@typescript-eslint", "prettier"],
+  "reportUnusedDisableDirectives": true,
+  "root": true,
+  "rules": {}
+}
diff --git a/browser-playground/.eslintrc.cjs b/browser-playground/.eslintrc.cjs
new file mode 100644
index 0000000..76e2889
--- /dev/null
+++ b/browser-playground/.eslintrc.cjs
@@ -0,0 +1,7 @@
+module.exports = {
+  extends: "../.eslintrc.json",
+  parserOptions: {
+    project: './tsconfig.json',
+    tsconfigRootDir: __dirname,
+  },
+}
\ No newline at end of file
diff --git a/browser-playground/package.json b/browser-playground/package.json
index 27d7515..e1ee870 100644
--- a/browser-playground/package.json
+++ b/browser-playground/package.json
@@ -19,6 +19,8 @@
     "clean": "rimraf dist",
     "format": "prettier --write '**/*.ts'",
     "format-check": "prettier --check '**/*.ts'",
+    "lint": "eslint src/**/*.ts",
+    "lint-fix": "eslint --fix src/**/*.ts",
     "start": "webpack-dev-server --mode development --open",
     "test": "exit 0",
     "watch": "webpack --watch --mode development --env esbuild"
@@ -34,4 +36,4 @@
     "webpack-cli": "^5.0.1",
     "webpack-dev-server": "^4.11.1"
   }
-}
+}
\ No newline at end of file
diff --git a/expressions/.eslintrc.cjs b/expressions/.eslintrc.cjs
new file mode 100644
index 0000000..61a00f0
--- /dev/null
+++ b/expressions/.eslintrc.cjs
@@ -0,0 +1,11 @@
+module.exports = {
+  extends: "../.eslintrc.json",
+  parserOptions: {
+    project: './tsconfig.json',
+    tsconfigRootDir: __dirname,
+  },
+  rules: {
+    // Conflicts with the expression data Array class
+    "@typescript-eslint/no-array-constructor": "off",
+  },
+}
\ No newline at end of file
diff --git a/expressions/package.json b/expressions/package.json
index 4a52b24..c70d35c 100755
--- a/expressions/package.json
+++ b/expressions/package.json
@@ -31,6 +31,8 @@
     "clean": "rimraf dist",
     "format": "prettier --write '**/*.ts'",
     "format-check": "prettier --check '**/*.ts'",
+    "lint": "eslint src/**/*.ts",
+    "lint-fix": "eslint --fix src/**/*.ts",
     "prepublishOnly": "npm run build && npm run test",
     "test": "NODE_OPTIONS=\"--experimental-vm-modules\" jest",
     "test-watch": "NODE_OPTIONS=\"--experimental-vm-modules\" jest --watch",
@@ -50,4 +52,4 @@
     "ts-jest": "^29.0.3",
     "typescript": "^4.7.4"
   }
-}
+}
\ No newline at end of file
diff --git a/languageserver/.eslintrc.cjs b/languageserver/.eslintrc.cjs
new file mode 100644
index 0000000..76e2889
--- /dev/null
+++ b/languageserver/.eslintrc.cjs
@@ -0,0 +1,7 @@
+module.exports = {
+  extends: "../.eslintrc.json",
+  parserOptions: {
+    project: './tsconfig.json',
+    tsconfigRootDir: __dirname,
+  },
+}
\ No newline at end of file
diff --git a/languageserver/package.json b/languageserver/package.json
index 25397f4..c72deec 100644
--- a/languageserver/package.json
+++ b/languageserver/package.json
@@ -32,6 +32,8 @@
     "clean": "rimraf dist",
     "format": "prettier --write '**/*.ts'",
     "format-check": "prettier --check '**/*.ts'",
+    "lint": "eslint src/**/*.ts",
+    "lint-fix": "eslint --fix src/**/*.ts",
     "prepublishOnly": "npm run build && npm run test",
     "test": "NODE_OPTIONS=\"--experimental-vm-modules\" jest",
     "test-watch": "NODE_OPTIONS=\"--experimental-vm-modules\" jest --watch",
@@ -60,4 +62,4 @@
     "ts-jest": "^29.0.3",
     "typescript": "^4.8.4"
   }
-}
+}
\ No newline at end of file
diff --git a/languageservice/.eslintrc.cjs b/languageservice/.eslintrc.cjs
new file mode 100644
index 0000000..76e2889
--- /dev/null
+++ b/languageservice/.eslintrc.cjs
@@ -0,0 +1,7 @@
+module.exports = {
+  extends: "../.eslintrc.json",
+  parserOptions: {
+    project: './tsconfig.json',
+    tsconfigRootDir: __dirname,
+  },
+}
\ No newline at end of file
diff --git a/languageservice/package.json b/languageservice/package.json
index 3b1d45c..0fcf036 100644
--- a/languageservice/package.json
+++ b/languageservice/package.json
@@ -32,6 +32,8 @@
     "clean": "rimraf dist",
     "format": "prettier --write '**/*.ts'",
     "format-check": "prettier --check '**/*.ts'",
+    "lint": "eslint src/**/*.ts",
+    "lint-fix": "eslint --fix src/**/*.ts",
     "prepublishOnly": "npm run build && npm run test",
     "test": "NODE_OPTIONS=\"--experimental-vm-modules\" jest",
     "test-watch": "NODE_OPTIONS=\"--experimental-vm-modules\" jest --watch",
@@ -62,4 +64,4 @@
     "ts-node": "^10.9.1",
     "typescript": "^4.8.4"
   }
-}
+}
\ No newline at end of file
diff --git a/workflow-parser/.eslintrc.cjs b/workflow-parser/.eslintrc.cjs
new file mode 100644
index 0000000..76e2889
--- /dev/null
+++ b/workflow-parser/.eslintrc.cjs
@@ -0,0 +1,7 @@
+module.exports = {
+  extends: "../.eslintrc.json",
+  parserOptions: {
+    project: './tsconfig.json',
+    tsconfigRootDir: __dirname,
+  },
+}
\ No newline at end of file
diff --git a/workflow-parser/.eslintrc.json b/workflow-parser/.eslintrc.json
deleted file mode 100644
index f0bbc84..0000000
--- a/workflow-parser/.eslintrc.json
+++ /dev/null
@@ -1,21 +0,0 @@
-{
-  "env": {
-    "browser": true,
-    "es2021": true
-  },
-  "extends": ["eslint:recommended", "plugin:@typescript-eslint/recommended"],
-  "parser": "@typescript-eslint/parser",
-  "parserOptions": {
-    "ecmaVersion": 12,
-    "sourceType": "module"
-  },
-  "plugins": ["@typescript-eslint"],
-  "root": true,
-  "rules": {
-    "@typescript-eslint/no-unused-vars": "off",
-    "@typescript-eslint/no-empty-function": "off",
-    "@typescript-eslint/explicit-module-boundary-types": "off",
-    "@typescript-eslint/no-explicit-any": "off",
-    "@typescript-eslint/no-non-null-assertion": "off"
-  }
-}
diff --git a/workflow-parser/package.json b/workflow-parser/package.json
index 69b4478..361ba5a 100644
--- a/workflow-parser/package.json
+++ b/workflow-parser/package.json
@@ -31,8 +31,8 @@
     "clean": "rimraf dist",
     "format": "prettier --write '**/*.ts'",
     "format-check": "prettier --check '**/*.ts'",
-    "lint": "eslint **/*.ts",
-    "lint-fix": "eslint --fix **/*.ts",
+    "lint": "eslint src/**/*.ts",
+    "lint-fix": "eslint --fix src/**/*.ts",
     "prepublishOnly": "npm run build && npm run test",
     "test": "NODE_OPTIONS=\"--experimental-vm-modules\" jest",
     "test-xlang": "NODE_OPTIONS=\"--experimental-vm-modules\" jest --testPathPattern xlang",
@@ -61,4 +61,4 @@
     "ts-jest": "^29.0.3",
     "typescript": "^4.8.4"
   }
-}
+}
\ No newline at end of file