Add eslint pre-commit hook

.pre-commit-config.yaml

@@ -45,6 +45,18 @@ repos:
       hooks:
           - id: black
 
+    - repo: https://github.com/pre-commit/mirrors-eslint
+      rev: v9.39.1
+      hooks:
+          - id: eslint
+            args: ["--fix"]
+            exclude: '(^djangoproject\/static\/js\/lib\/.*$)'
+            require_serial: true
+            additional_dependencies:
+                - "@eslint/js@9.39.2"
+                - "eslint@9.39.2"
+                - "globals@17.0.0"
+
     - repo: https://github.com/rbubley/mirrors-prettier
       rev: v3.7.4
       hooks:

eslint.config.cjs

@@ -0,0 +1,17 @@
+const js = require("@eslint/js");
+const globals = require("globals");
+const defineConfig = require("eslint/config").defineConfig;
+
+module.exports = defineConfig([
+    {
+        files: ["**/*.{js,mjs,cjs}"],
+        plugins: { js },
+        extends: ["js/recommended"],
+        languageOptions: {
+            globals: {
+                ...globals.browser,
+                ...globals.jquery,
+            },
+        },
+    },
+]);