WEBDEV-7255: Update Dependencies

.github/workflows/ci.yml

@@ -11,16 +11,20 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
-    - uses: actions/setup-node@v1
+    - uses: actions/checkout@v4
+    - uses: actions/setup-node@v4
       with:
-        node-version: 15.x
+        node-version: latest
 
     - name: Install dependencies
       run: yarn install && npm install -g codecov
 
     - name: Run tests
       run: yarn run test
 
-    - name: Upload code coverage
-      run: codecov
+    - name: Upload Codecov reports
+      uses: codecov/codecov-action@main
+      with:
+        fail_ci_if_error: true
+        token: ${{ secrets.CODECOV_TOKEN }}
+        verbose: true

demo/app-root.ts

@@ -1,4 +1,5 @@
-import { html, css, LitElement, customElement } from 'lit-element';
+import { html, css, LitElement } from 'lit';
+import { customElement } from 'lit/decorators.js';
 
 @customElement('app-root')
 export class AppRoot extends LitElement {

eslint.config.mjs

@@ -0,0 +1,53 @@
+import typescriptEslint from '@typescript-eslint/eslint-plugin';
+import html from 'eslint-plugin-html';
+import tsParser from '@typescript-eslint/parser';
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
+import js from '@eslint/js';
+import { FlatCompat } from '@eslint/eslintrc';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+const compat = new FlatCompat({
+  baseDirectory: __dirname,
+  recommendedConfig: js.configs.recommended,
+  allConfig: js.configs.all,
+});
+
+export default [
+  ...compat.extends('plugin:@typescript-eslint/recommended'),
+  {
+    plugins: {
+      '@typescript-eslint': typescriptEslint,
+      html,
+    },
+
+    languageOptions: {
+      parser: tsParser,
+    },
+
+    settings: {
+      'import/resolver': {
+        node: {
+          extensions: ['.ts', '.tsx'],
+          moduleDirectory: ['node_modules', 'src', 'demo'],
+        },
+      },
+    },
+
+    rules: {
+      '@typescript-eslint/no-unsafe-function-type': 'warn',
+      '@typescript-eslint/no-unused-vars': 'warn',
+      '@typescript-eslint/no-explicit-any': 'warn',
+    },
+  },
+  {
+    ignores: ['**/*.js', '**/*.mjs', '**/*.d.ts'],
+  },
+  {
+    files: ['**/*.test.ts'],
+    rules: {
+      '@typescript-eslint/no-unused-expressions': 'off',
+    },
+  },
+];

package.json

@@ -14,33 +14,31 @@
     "start": "tsc && concurrently -k -r \"tsc --watch --preserveWatchOutput\" \"wds\"",
     "build": "tsc",
     "prepare": "tsc",
-    "lint": "eslint --ext .ts,.html . --ignore-path .gitignore && prettier \"**/*.ts\" --check --ignore-path .gitignore",
-    "format": "eslint --ext .ts,.html . --fix --ignore-path .gitignore && prettier \"**/*.ts\" --write --ignore-path .gitignore",
+    "lint": "eslint . && prettier \"**/*.ts\" --check",
+    "format": "eslint . --fix && prettier \"**/*.ts\" --write",
     "circular": "madge --circular --extensions ts .",
     "test": "tsc && yarn run lint && yarn run circular && wtr --coverage",
     "test:watch": "tsc && concurrently -k -r \"tsc --watch --preserveWatchOutput\" \"wtr --watch\""
   },
-  "dependencies": {
-  },
   "devDependencies": {
-    "@open-wc/eslint-config": "^4.2.0",
-    "@open-wc/testing": "^2.0.0",
-    "@typescript-eslint/eslint-plugin": "^4.16.1",
-    "@typescript-eslint/parser": "^4.16.1",
-    "@web/dev-server": "^0.1.1",
-    "@web/test-runner": "^0.11.5",
-    "concurrently": "^5.3.0",
-    "eslint": "^7.21.0",
-    "eslint-config-prettier": "^6.11.0",
-    "husky": "^1.0.0",
-    "lit-element": "^2.2.1",
-    "lit-html": "^1.1.2",
-    "lint-staged": "^10.0.0",
-    "madge": "^4.0.1",
-    "prettier": "^2.0.4",
-    "sinon": "^9.2.4",
-    "tslib": "^2.0.3",
-    "typescript": "^4.2.3"
+    "@open-wc/eslint-config": "^12.0.3",
+    "@open-wc/testing": "^4.0.0",
+    "@types/mocha": "^10.0.10",
+    "@typescript-eslint/eslint-plugin": "^8.20.0",
+    "@typescript-eslint/parser": "^8.20.0",
+    "@web/dev-server": "^0.4.6",
+    "@web/test-runner": "^0.19.0",
+    "concurrently": "^9.1.2",
+    "eslint": "^9.18.0",
+    "eslint-config-prettier": "^10.0.1",
+    "husky": "^9.1.7",
+    "lint-staged": "^15.3.0",
+    "lit": "^3.2.1",
+    "madge": "^8.0.0",
+    "prettier": "^3.4.2",
+    "sinon": "^19.0.2",
+    "tslib": "^2.8.1",
+    "typescript": "^5.7.3"
   },
   "eslintConfig": {
     "parser": "@typescript-eslint/parser",

test/result.test.ts

@@ -11,7 +11,6 @@ describe('Result', () => {
   });
 
   it('can be initialized with an error', async () => {
-    // eslint-disable-next-line no-shadow
     enum FooErrorType {
       networkError,
       decodingError,