fix: adjust eslint to new plugin

Author: SomaticIT

.eslintrc.cjs

@@ -1,17 +1,23 @@
 module.exports = {
     root: true,
-    parser: "@typescript-eslint/parser",
-    extends: ["eslint:recommended", "plugin:@typescript-eslint/recommended", "prettier"],
-    plugins: ["svelte3", "@typescript-eslint"],
     ignorePatterns: ["*.cjs"],
-    overrides: [{ files: ["*.svelte"], processor: "svelte3/svelte3" }],
-    settings: {
-        "svelte3/typescript": () => require("typescript"),
-    },
+    extends: ["eslint:recommended", "plugin:svelte/recommended", "plugin:@typescript-eslint/recommended", "prettier"],
+    plugins: ["@typescript-eslint"],
+    parser: "@typescript-eslint/parser",
     parserOptions: {
         sourceType: "module",
         ecmaVersion: 2020,
+        extraFileExtensions: [".svelte"],
     },
+    overrides: [
+        {
+            files: ["*.svelte"],
+            parser: "svelte-eslint-parser",
+            parserOptions: {
+                parser: "@typescript-eslint/parser",
+            },
+        },
+    ],
     env: {
         browser: true,
         es2017: true,

package.json

@@ -32,8 +32,8 @@
     "test": "npm run lint && npm run check",
     "check": "svelte-check --tsconfig ./tsconfig.json",
     "check:watch": "svelte-check --tsconfig ./tsconfig.json --watch",
-    "lint": "prettier --check --plugin-search-dir=. . && eslint .",
-    "format": "prettier --write --plugin-search-dir=. .",
+    "lint": "prettier --check . && eslint .",
+    "format": "prettier --write .",
     "release": "npm run package && npm run release:zip && semantic-release",
     "release:zip": "zip -r svelte-codemirror-editor.zip LICENSE README.md package.json dist"
   },