diff --git a/.gitignore b/.gitignore
index 106bb0d..d53d774 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,6 @@ package-lock.json
 
 # Build directories
 dist
+
+strict.js
+strict-react.js
diff --git a/package.json b/package.json
index 1ee355b..6833907 100644
--- a/package.json
+++ b/package.json
@@ -21,6 +21,8 @@
   "repository": "https://github.com/atom-ide-community/eslint-config-atomic",
   "license": "MIT",
   "scripts": {
+    "build.strict": "node ./scripts/build.strict.js",
+    "prepare": "npm run build.strict",
     "bump": "ncu -u -x coffeescript"
   },
   "dependencies": {
diff --git a/react.js b/react.js
index 13f5bd9..d539fa8 100644
--- a/react.js
+++ b/react.js
@@ -1,87 +1,25 @@
+const base = require("./index.js")
+
+let overrides = base.overrides
+overrides[0] = {
+  "plugins": ["react", "@typescript-eslint", "only-warn"],
+  "extends": [
+    "eslint:recommended",
+    "plugin:react/recommended",
+    "plugin:@typescript-eslint/eslint-recommended",
+    "plugin:@typescript-eslint/recommended",
+    "prettier",
+    "prettier/@typescript-eslint",
+    "prettier/react"
+  ],
+  rules: overrides[0].rules
+}
+
 module.exports = {
-  // JS Files
-  "root": true,
-  "env": {
-    "atomtest": true,
-    "es6": true,
-    "node": true,
-    "browser": true,
-    "jasmine": true
-  },
-  "globals": {
-    "atom": "readonly",
-    "measure": "readonly"
-  },
-  "parser": "babel-eslint",
-  "parserOptions": {
-    "ecmaFeatures": {
-      "jsx": true
-    },
-    "ecmaVersion": 2018,
-    "sourceType": "module"
-  },
+  ...base,
   "plugins": ["react", "only-warn"],
   "extends": ["eslint:recommended", "plugin:react/recommended", "prettier", "prettier/react"],
-  "ignorePatterns": ["node_modules/"],
-  "overrides": [
-    {
-      // Bundled node version with atom has an old ESLint
-      // TypeScript files
-      "files": ["**/*.ts", "**/*.tsx"],
-      "parser": "@typescript-eslint/parser",
-      "plugins": ["react", "@typescript-eslint", "only-warn"],
-      "extends": [
-        "eslint:recommended",
-        "plugin:react/recommended",
-        "plugin:@typescript-eslint/eslint-recommended",
-        "plugin:@typescript-eslint/recommended",
-        "prettier",
-        "prettier/@typescript-eslint",
-        "prettier/react"
-      ],
-      "rules": {
-        "@typescript-eslint/explicit-function-return-type": "off",
-        "@typescript-eslint/explicit-module-boundary-types": "off",
-        "@typescript-eslint/camelcase": "off",
-        "@typescript-eslint/no-use-before-define": "off",
-        "@typescript-eslint/member-delimiter-style": "off"
-      }
-    },
-    {
-      // JSON files
-      "files": ["*.json"],
-      "plugins": ["json"],
-      "extends": ["prettier", "plugin:json/recommended"],
-      "rules": {
-        "json/*": [
-          "error",
-          {
-            "allowComments": true
-          }
-        ]
-      }
-    },
-    {
-      // CoffeeScript files
-      "files": ["**/*.coffee"],
-      "parser": "eslint-plugin-coffee",
-      "plugins": ["coffee", "only-warn"],
-      "extends": ["plugin:coffee/eslint-recommended"]
-    },
-    {
-      // YAML files
-      "files": ["*.yaml", "*.yml"],
-      "plugins": ["yaml"],
-      "extends": ["plugin:yaml/recommended"]
-    },
-    // CSON files (use coffee)
-    {
-      "files": ["**/*.cson"],
-      "parser": "eslint-plugin-coffee",
-      "plugins": ["coffee", "only-warn"],
-      "extends": ["plugin:coffee/eslint-recommended"]
-    }
-  ],
+  "overrides": overrides,
   "settings": {
     "react": {
       "version": "detect"
diff --git a/scripts/build.strict.js b/scripts/build.strict.js
new file mode 100644
index 0000000..69ce117
--- /dev/null
+++ b/scripts/build.strict.js
@@ -0,0 +1,22 @@
+// script to generate the strict versions (without only-warn)
+
+const { readFile, writeFile } = require("fs").promises
+const { join, dirname, basename } = require("path")
+
+const fileMap = {
+  "index.js": "strict.js",
+  "react.js": "strict-react.js"
+}
+
+;(async function main(){
+  const root = dirname(__dirname)
+  const files = ["index.js", "react.js"]
+
+  const filesPaths = files.map((file) => join(root, file))
+
+  filesPaths.forEach(async (filePath) => {
+    const text = (await readFile(filePath)).toString()
+    const newText = text.replace(/"only-warn"/g, "").replace("index.js", "strict.js")
+    await writeFile(join(root, fileMap[basename(filePath)]), newText)
+  })
+})()
diff --git a/strict-react.js b/strict-react.js
deleted file mode 100644
index 4f4f8c0..0000000
--- a/strict-react.js
+++ /dev/null
@@ -1,90 +0,0 @@
-module.exports = {
-  // JS Files
-  "root": true,
-  "env": {
-    "atomtest": true,
-    "es6": true,
-    "node": true,
-    "browser": true,
-    "jasmine": true
-  },
-  "globals": {
-    "atom": "readonly",
-    "measure": "readonly"
-  },
-  "parser": "babel-eslint",
-  "parserOptions": {
-    "ecmaFeatures": {
-      "jsx": true
-    },
-    "ecmaVersion": 2018,
-    "sourceType": "module"
-  },
-  "plugins": ["react"],
-  "extends": ["eslint:recommended", "plugin:react/recommended", "prettier", "prettier/react"],
-  "ignorePatterns": ["node_modules/"],
-  "overrides": [
-    {
-      // Bundled node version with atom has an old ESLint
-      // TypeScript files
-      "files": ["**/*.ts", "**/*.tsx"],
-      "parser": "@typescript-eslint/parser",
-      "plugins": ["react", "@typescript-eslint"],
-      "extends": [
-        "eslint:recommended",
-        "plugin:react/recommended",
-        "plugin:@typescript-eslint/eslint-recommended",
-        "plugin:@typescript-eslint/recommended",
-        "prettier",
-        "prettier/@typescript-eslint",
-        "prettier/react"
-      ],
-      "rules": {
-        "@typescript-eslint/explicit-function-return-type": "off",
-        "@typescript-eslint/explicit-module-boundary-types": "off",
-        "@typescript-eslint/camelcase": "off",
-        "@typescript-eslint/no-use-before-define": "off",
-        "@typescript-eslint/member-delimiter-style": "off"
-      }
-    },
-    {
-      // JSON files
-      "files": ["*.json"],
-      "plugins": ["json"],
-      "extends": ["prettier", "plugin:json/recommended"],
-      "rules": {
-        "json/*": [
-          "error",
-          {
-            "allowComments": true
-          }
-        ]
-      }
-    },
-    {
-      // CoffeeScript files
-      "files": ["**/*.coffee"],
-      "parser": "eslint-plugin-coffee",
-      "plugins": ["coffee"],
-      "extends": ["plugin:coffee/eslint-recommended"]
-    },
-    {
-      // YAML files
-      "files": ["*.yaml", "*.yml"],
-      "plugins": ["yaml"],
-      "extends": ["plugin:yaml/recommended"]
-    },
-    // CSON files (use coffee)
-    {
-      "files": ["**/*.cson"],
-      "parser": "eslint-plugin-coffee",
-      "plugins": ["coffee", "only-warn"],
-      "extends": ["plugin:coffee/eslint-recommended"]
-    }
-  ],
-  "settings": {
-    "react": {
-      "version": "detect"
-    }
-  }
-}
diff --git a/strict.js b/strict.js
deleted file mode 100644
index 3c68873..0000000
--- a/strict.js
+++ /dev/null
@@ -1,84 +0,0 @@
-module.exports = {
-  // JS Files
-  "root": true,
-  "env": {
-    "atomtest": true,
-    "es6": true,
-    "node": true,
-    "browser": true,
-    "jasmine": true
-  },
-  "globals": {
-    "atom": "readonly",
-    "measure": "readonly"
-  },
-  "parser": "babel-eslint",
-  "parserOptions": {
-    "ecmaFeatures": {
-      "jsx": true
-    },
-    "ecmaVersion": 2018,
-    "sourceType": "module"
-  },
-  "plugins": [],
-  "extends": ["eslint:recommended", "prettier"],
-  "ignorePatterns": ["node_modules/"],
-  "overrides": [
-    {
-      // Bundled node version with atom has an old ESLint
-      // TypeScript files
-      "files": ["**/*.ts", "**/*.tsx"],
-      "parser": "@typescript-eslint/parser",
-      "plugins": ["@typescript-eslint"],
-      "extends": [
-        "eslint:recommended",
-        "plugin:react/recommended",
-        "plugin:@typescript-eslint/eslint-recommended",
-        "plugin:@typescript-eslint/recommended",
-        "prettier",
-        "prettier/@typescript-eslint"
-      ],
-      "rules": {
-        "@typescript-eslint/explicit-function-return-type": "off",
-        "@typescript-eslint/explicit-module-boundary-types": "off",
-        "@typescript-eslint/camelcase": "off",
-        "@typescript-eslint/no-use-before-define": "off",
-        "@typescript-eslint/member-delimiter-style": "off"
-      }
-    },
-    {
-      // JSON files
-      "files": ["*.json"],
-      "plugins": ["json"],
-      "extends": ["prettier", "plugin:json/recommended"],
-      "rules": {
-        "json/*": [
-          "error",
-          {
-            "allowComments": true
-          }
-        ]
-      }
-    },
-    {
-      // CoffeeScript files
-      "files": ["**/*.coffee"],
-      "parser": "eslint-plugin-coffee",
-      "plugins": ["coffee"],
-      "extends": ["plugin:coffee/eslint-recommended"]
-    },
-    {
-      // YAML files
-      "files": ["*.yaml", "*.yml"],
-      "plugins": ["yaml"],
-      "extends": ["plugin:yaml/recommended"]
-    },
-    // CSON files (use coffee)
-    {
-      "files": ["**/*.cson"],
-      "parser": "eslint-plugin-coffee",
-      "plugins": ["coffee", "only-warn"],
-      "extends": ["plugin:coffee/eslint-recommended"]
-    }
-  ]
-}