🎨 Update Prettier and ESLint + format codebase

.eslintrc.cjs

@@ -1,22 +1,10 @@
 module.exports = {
   root: true,
   parser: "@typescript-eslint/parser",
-  extends: ["eslint:recommended", "plugin:@typescript-eslint/recommended", "prettier"],
+  extends: [
-  plugins: ["@typescript-eslint"],
+    "eslint:recommended",
+    "plugin:@typescript-eslint/recommended",
+    "./.eslintrc.shared.cjs",
+  ],
   ignorePatterns: ["*.cjs", "app/**/*"],
-  parserOptions: {
-    sourceType: "module",
-    ecmaVersion: 2019,
-  },
-  rules: {
-    "@typescript-eslint/explicit-module-boundary-types": "off",
-    "@typescript-eslint/no-explicit-any": "off",
-    "@typescript-eslint/no-unused-vars": ["off", { argsIgnorePattern: "^_" }],
-    "@typescript-eslint/no-non-null-assertion": "off",
-  },
-  env: {
-    browser: true,
-    es2017: true,
-    node: true,
-  },
 };

.eslintrc.shared.cjs

@@ -0,0 +1,21 @@
+module.exports = {
+  root: true,
+  parser: "@typescript-eslint/parser",
+  extends: ["prettier"],
+  plugins: ["@typescript-eslint"],
+  parserOptions: {
+    sourceType: "module",
+    ecmaVersion: 2019,
+  },
+  env: {
+    browser: true,
+    es2017: true,
+    node: true,
+  },
+  rules: {
+    "@typescript-eslint/explicit-module-boundary-types": "off",
+    "@typescript-eslint/no-explicit-any": "off",
+    "@typescript-eslint/no-unused-vars": ["off", { argsIgnorePattern: "^_" }],
+    "@typescript-eslint/no-non-null-assertion": "off",
+  },
+};

.prettierignore

@@ -1,3 +1,4 @@
 dist/**
 node_modules/**
 README.md
+app/**/*

app/.eslintrc.cjs

@@ -1,20 +1,15 @@
 module.exports = {
   root: true,
   parser: "@typescript-eslint/parser",
-  extends: ["../.eslintrc.cjs"],
+  extends: ["../.eslintrc.shared.cjs"],
-  plugins: ["svelte3", "@typescript-eslint"],
+  plugins: ["svelte3"],
-  ignorePatterns: ["*.cjs"],
+  overrides: [
-  overrides: [{ files: ["*.svelte"], processor: "svelte3/svelte3" }],
+    {
+      files: ["*.svelte"],
+      processor: "svelte3/svelte3",
+    },
+  ],
   settings: {
     "svelte3/typescript": () => require("typescript"),
   },
-  parserOptions: {
-    sourceType: "module",
-    ecmaVersion: 2019,
-  },
-  env: {
-    browser: true,
-    es2017: true,
-    node: true,
-  },
 };