feat!: migrate to ESLint flat config

README.md

@@ -5,18 +5,22 @@ Shared ESLint config for cheminfo and ml.js projects.
 ## Installation
 
 ```console
-npm i -D eslint-config-cheminfo eslint
+npm i -D eslint-config-cheminfo eslint@^8.57.0
 ```
 
 ## Usage
 
-Create a `.eslintrc.yml` with the following contents:
+Create a `eslint.config.mjs` file with the following contents:
 
-```yml
-extends: [cheminfo, cheminfo/jsdoc, cheminfo/unicorn]
+```js
+import cheminfo from 'eslint-config-cheminfo';
+
+export default [
+  ...cheminfo,
+];
 ```
 
-You can then customize the config for your project by changing rules in this file.
+You can then customize the config for your project.
 
 Create ESLint scripts in your `package.json`:
 
@@ -43,8 +47,12 @@ https://github.com/cheminfo/eslint-config-cheminfo-react
 
 You can extend both of the above configurations as they are compatible between each other:
 
-```yml
-extends:
-  - cheminfo-typescript
-  - cheminfo-react
+```js
+import typescript from 'eslint-config-cheminfo-typescript';
+import react from 'eslint-config-cheminfo-react';
+
+export default [
+  ...typescript,
+  ...react,
+];
 ```