elastic · tkajtoch · May 12, 2026 · May 12, 2026 · May 12, 2026 · May 12, 2026
@@ -26,6 +26,7 @@
     "pre-push"
   ],
   "devDependencies": {
+    "@types/node": "^22",
     "chalk": "^4.1.0",
     "chokidar": "^4.0.3",
     "pre-push": "^0.1.4",

@@ -0,0 +1,17 @@
+# `@elastic/eui-config-tsconfig`
+
+**This is an internal shared configuration package.**
+
+Base TypeScript configuration for EUI monorepo packages.
+
+## Usage
+
+1. Add the following to your package's `tsconfig.json`:
+
+    ```json
+    {
+      "extends": "@elastic/eui-config-tsconfig"
+    }
+    ```
+
+2. Configure `include`, `exclude` and other fields as needed.
@@ -0,0 +1,14 @@
+{
+  "name": "@elastic/eui-config-tsconfig",
+  "version": "0.0.0",
+  "private": true,
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/elastic/eui.git",
+    "directory": "packages/config-tsconfig"
+  },
+  "files": [
+    "tsconfig.json"
+  ],
+  "main": "tsconfig.json"
+}
@@ -0,0 +1,21 @@
+{
+  "$schema": "https://json.schemastore.org/tsconfig",
+  "compilerOptions": {
+    "declaration": true,
+    "incremental": true,
+    "noUnusedLocals": true,
+    "strict": true,
+    "module": "esnext",
+    "target": "esnext",
+    "allowSyntheticDefaultImports": true,
+    "jsx": "react",
+    "esModuleInterop": true,
+    "resolveJsonModule": true,
+    "moduleResolution": "node",
+    "forceConsistentCasingInFileNames": true,
+    "lib": [
+      "esnext",
+      "dom"
+    ]
+  }
+}
@@ -36,6 +36,7 @@
     "@babel/preset-env": "^7.21.5",
     "@babel/preset-react": "^7.18.6",
     "@babel/preset-typescript": "^7.21.5",
+    "@elastic/eui-config-tsconfig": "workspace:*",
     "@elastic/eui-theme-common": "workspace:*",
     "@types/chroma-js": "^2.4.0",
     "@types/jest": "^29.5.12",

@@ -1,21 +1,10 @@
 {
   "$schema": "https://json.schemastore.org/tsconfig",
+  "extends": "./tsconfig.json",
   "compilerOptions": {
-    "rootDir": "src",
     "outDir": "lib/cjs",
     "target": "es6",
     "module": "CommonJS",
-    "lib": [
-      "es6",
-      "DOM"
-    ],
-    "moduleResolution": "Node",
-    "declaration": true,
-    "noEmitHelpers": true,
-    "incremental": true,
-    "esModuleInterop": true,
-    "strict": true,
-    "skipLibCheck": true,
     "tsBuildInfoFile": "lib/cjs/.tsbuildinfo",
     "importHelpers": false,
   },

@@ -1,20 +1,10 @@
 {
   "$schema": "https://json.schemastore.org/tsconfig",
+  "extends": "@elastic/eui-config-tsconfig",
   "compilerOptions": {
-    "rootDir": "src",
     "outDir": "lib/esm",
     "target": "ES2020",
-    "module": "ESNext",
-    "lib": [
-      "ESNext",
-      "DOM"
-    ],
-    "moduleResolution": "Node",
-    "declaration": true,
     "noEmitHelpers": true,
-    "incremental": true,
-    "esModuleInterop": true,
-    "strict": true,
     "skipLibCheck": true,
     "tsBuildInfoFile": "lib/esm/.tsbuildinfo"
   },

@@ -1,12 +1,8 @@
 {
-    "extends": "./tsconfig.cjs.json",
-    "compilerOptions": {
-        "outDir": "lib/cjs",
-        "declaration": true,
-        "isolatedModules": false,
-        "noEmit": false,
-        "allowJs": false,
-        "emitDeclarationOnly": true
-    },
-    "exclude": ["node_modules", "**/*.test.ts"]
+  "extends": "./tsconfig.cjs.json",
+  "compilerOptions": {
+    "isolatedModules": false,
+    "emitDeclarationOnly": true
+  },
+  "exclude": ["node_modules", "**/*.test.ts"]
 }
@@ -34,6 +34,7 @@
     "@babel/preset-env": "^7.21.5",
     "@babel/preset-react": "^7.18.6",
     "@babel/preset-typescript": "^7.21.5",
+    "@elastic/eui-config-tsconfig": "workspace:*",
     "@emotion/react": "^11.11.0",
     "@types/chroma-js": "^2.4.0",
     "@types/jest": "^29.5.12",

@@ -1,28 +1,16 @@
 {
   "$schema": "https://json.schemastore.org/tsconfig",
+  "extends": "./tsconfig.json",
   "compilerOptions": {
-    "rootDir": "src",
     "outDir": "lib/cjs",
     "target": "es6",
     "module": "CommonJS",
-    "lib": [
-      "es6",
-      "DOM"
-    ],
-    "moduleResolution": "Node",
-    "declaration": true,
-    "noEmitHelpers": true,
-    "incremental": true,
-    "esModuleInterop": true,
-    "strict": true,
-    "skipLibCheck": true,
-    "tsBuildInfoFile": "lib/cjs/.tsbuildinfo",
-    "importHelpers": false,
+    "tsBuildInfoFile": "lib/cjs/.tsbuildinfo"
   },
   "include": [
     "src"
   ],
   "exclude": [
     "node_modules"
-  ],
+  ]
 }
@@ -1,21 +1,11 @@
 {
   "$schema": "https://json.schemastore.org/tsconfig",
+  "extends": "@elastic/eui-config-tsconfig",
   "compilerOptions": {
-    "rootDir": "src",
     "outDir": "lib/esm",
     "target": "ES2020",
     "module": "ESNext",
-    "lib": [
-      "ESNext",
-      "DOM"
-    ],
-    "moduleResolution": "Node",
-    "declaration": true,
     "noEmitHelpers": true,
-    "incremental": true,
-    "esModuleInterop": true,
-    "strict": true,
-    "skipLibCheck": true,
     "tsBuildInfoFile": "lib/esm/.tsbuildinfo"
   },
   "include": [

@@ -109,6 +109,7 @@
     "@elastic/charts": "^64.1.0",
     "@elastic/datemath": "^5.0.3",
     "@elastic/eslint-plugin-eui": "workspace:*",
+    "@elastic/eui-config-tsconfig": "workspace:*",
     "@elastic/eui-theme-borealis": "workspace:*",
     "@emotion/babel-preset-css-prop": "^11.11.0",
     "@emotion/cache": "^11.11.0",

@@ -1,66 +1,18 @@
 {
+  "extends": "@elastic/eui-config-tsconfig",
   "compilerOptions": {
-    "baseUrl": ".",
-    "rootDir": ".",
-
-    // emit files to the `types` dir, these are ignored by everything but TS needs _somewhere_ to emit
-    "outDir": "types",
-
-    // generate declaration files
-    "declaration": true,
-
-    // re-use info from previous runs to improve performance
-    "incremental": true,
-
-    // don't allow un-used variables
-    "noUnusedLocals": true,
-
-    // Enables all strict type checking options.
-    "strict": true,
-
-    // Output as ES Modules & esnext code, webpack will handle further conversion
-    "module": "esnext",
-    "target": "esnext",
-
-    // Allows default imports from modules with no default export. This does not affect code emit, just type checking.
-    // We have to enable this option explicitly since `esModuleInterop` doesn't enable it automatically when ES2015 or
-    // ESNext module format is used.
-    "allowSyntheticDefaultImports": true,
-
-    // Support .tsx files and transform JSX into calls to React.createElement
-    "jsx": "react",
-
-    // Emits __importStar and __importDefault helpers for runtime babel ecosystem compatibility.
-    "esModuleInterop": true,
-
-    // Allow importing JSON files
-    "resolveJsonModule": true,
-
-    // Resolve modules in the same way as Node.js. Aka make `require` works the
-    // same in TypeScript as it does in Node.js.
-    "moduleResolution": "node",
-
-    // Skip type checking node_modules
     "skipLibCheck": true,
-
-    // Disallow inconsistently-cased references to the same file.
-    "forceConsistentCasingInFileNames": true,
-
-    // enables "core language features"
-    "lib": [
-      // ESNext auto includes previous versions all the way back to es5
-      "esnext",
-      // includes support for browser APIs
-      "dom"
-    ],
-
-    // Specifies where to find library definitions. When this is explicitly set,
-    // it has to include the default location i.e. node_modules/@types
-    "typeRoots": ["../../node_modules/@types", "node_modules/@types", "src/custom_typings"]
+    "typeRoots": [
+      "src/custom_typings"
+    ]
   },
   "include": [
-    "./src/**/*",
-    "./.storybook/*.d.ts"
+    "src/**/*",
+    ".storybook/*.d.ts"
   ],
-  "exclude": ["node_modules", "**/*/*.spec.tsx", "**/*/*.a11y.tsx"]
+  "exclude": [
+    "node_modules",
+    "**/*.spec.tsx",
+    "**/*.a11y.tsx"
+  ]
 }
@@ -13,6 +13,7 @@
     "directory": "packages/release-cli"
   },
   "devDependencies": {
+    "@elastic/eui-config-tsconfig": "workspace:*",
     "@types/prompts": "^2.4.9",
     "typescript": "^5.7.3"
   },

@@ -1,13 +1,12 @@
 {
+  "$schema": "https://json.schemastore.org/tsconfig",
+  "extends": "@elastic/eui-config-tsconfig",
   "compilerOptions": {
     "target": "es2016",
     "module": "commonjs",
-    "esModuleInterop": true,
-    "forceConsistentCasingInFileNames": true,
-    "strict": true,
-    "skipLibCheck": false,
     "outDir": "dist",
     "strictBuiltinIteratorReturn": false,
+    "noUnusedLocals": false
   },
   "include": [
     "src"

@@ -7027,6 +7027,12 @@ __metadata:
   languageName: unknown
   linkType: soft
 
+"@elastic/eui-config-tsconfig@workspace:*, @elastic/eui-config-tsconfig@workspace:packages/config-tsconfig":
+  version: 0.0.0-use.local
+  resolution: "@elastic/eui-config-tsconfig@workspace:packages/config-tsconfig"
+  languageName: unknown
+  linkType: soft
+
 "@elastic/eui-docgen@workspace:^, @elastic/eui-docgen@workspace:packages/eui-docgen":
   version: 0.0.0-use.local
   resolution: "@elastic/eui-docgen@workspace:packages/eui-docgen"
@@ -7095,6 +7101,7 @@ __metadata:
   resolution: "@elastic/eui-monorepo@workspace:."
   dependencies:
     "@elastic/eui-release-cli": "link:packages/release-cli"
+    "@types/node": "npm:^22"
     chalk: "npm:^4.1.0"
     chokidar: "npm:^4.0.3"
     pre-push: "npm:^0.1.4"
@@ -7112,6 +7119,7 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@elastic/eui-release-cli@workspace:packages/release-cli"
   dependencies:
+    "@elastic/eui-config-tsconfig": "workspace:*"
     "@types/prompts": "npm:^2.4.9"
     chalk: "npm:^4"
     glob: "npm:^11.0.1"
@@ -7137,6 +7145,7 @@ __metadata:
     "@babel/preset-env": "npm:^7.21.5"
     "@babel/preset-react": "npm:^7.18.6"
     "@babel/preset-typescript": "npm:^7.21.5"
+    "@elastic/eui-config-tsconfig": "workspace:*"
     "@elastic/eui-theme-common": "workspace:*"
     "@types/chroma-js": "npm:^2.4.0"
     "@types/jest": "npm:^29.5.12"
@@ -7170,6 +7179,7 @@ __metadata:
     "@babel/preset-env": "npm:^7.21.5"
     "@babel/preset-react": "npm:^7.18.6"
     "@babel/preset-typescript": "npm:^7.21.5"
+    "@elastic/eui-config-tsconfig": "workspace:*"
     "@emotion/react": "npm:^11.11.0"
     "@types/chroma-js": "npm:^2.4.0"
     "@types/jest": "npm:^29.5.12"
@@ -7285,6 +7295,7 @@ __metadata:
     "@elastic/charts": "npm:^64.1.0"
     "@elastic/datemath": "npm:^5.0.3"
     "@elastic/eslint-plugin-eui": "workspace:*"
+    "@elastic/eui-config-tsconfig": "workspace:*"
     "@elastic/eui-theme-borealis": "workspace:*"
     "@elastic/eui-theme-common": "workspace:*"
     "@elastic/prismjs-esql": "npm:^1.1.2"
@@ -11082,6 +11093,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@types/node@npm:^22":
+  version: 22.19.19
+  resolution: "@types/node@npm:22.19.19"
+  dependencies:
+    undici-types: "npm:~6.21.0"
+  checksum: 10c0/402e0f088c94cabda3cd721546bd8e4e75e098e0b342f6e03b90ca1e19c28986f9650112c64fcfd09fc8cebc0f8b20291a513153e90489331cf666e1e5503e16
+  languageName: node
+  linkType: hard
+
 "@types/node@npm:^22.0.0":
   version: 22.9.1
   resolution: "@types/node@npm:22.9.1"
@@ -39321,6 +39341,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"undici-types@npm:~6.21.0":
+  version: 6.21.0
+  resolution: "undici-types@npm:6.21.0"
+  checksum: 10c0/c01ed51829b10aa72fc3ce64b747f8e74ae9b60eafa19a7b46ef624403508a54c526ffab06a14a26b3120d055e1104d7abe7c9017e83ced038ea5cf52f8d5e04
+  languageName: node
+  linkType: hard
+
 "undici@npm:^6.21.1":
   version: 6.21.1
   resolution: "undici@npm:6.21.1"