Import upstream changes (da9db86a33cba710d439e254df2492f9f6dcbbee)

.gitignore

@@ -7,3 +7,5 @@ my-element.js
 my-element.js.map
 my-element.d.ts
 my-element.d.ts.map
+# only generated for size check
+my-element.bundled.js

README.md

@@ -35,8 +35,7 @@ Both the TypeScript compiler and lit-analyzer are configured to be very strict.
 ## Testing
 
 This sample uses modern-web.dev's
-[@web/test-runner](https://www.npmjs.com/package/@web/test-runner) along with
-Mocha, Chai, and some related helpers for testing. See the
+[@web/test-runner](https://www.npmjs.com/package/@web/test-runner) for testing. See the
 [modern-web.dev testing documentation](https://modern-web.dev/docs/test-runner/overview) for
 more information.
 

docs/install/index.html

@@ -34,7 +34,7 @@
 <pre class="language-bash"><code class="language-bash"><span class="token function">npm</span> i my-element</code></pre>
 <h2>CDN</h2>
 <p>npm CDNs like <a href="">unpkg.com</a> can directly serve files that have been published to npm. This works great for standard JavaScript modules that the browser can load natively.</p>
-<p>For this element to work from unpkg.com specifically, you need to include the <code>?module</code> query parameter, which tells unpkg.com to rewrite &quot;bare&quot; module specificers to full URLs.</p>
+<p>For this element to work from unpkg.com specifically, you need to include the <code>?module</code> query parameter, which tells unpkg.com to rewrite &quot;bare&quot; module specifiers to full URLs.</p>
 <h3>HTML</h3>
 <pre class="language-html"><code class="language-html"><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>script</span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>module<span class="token punctuation">"</span></span> <span class="token attr-name">src</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>https://unpkg.com/my-element?module<span class="token punctuation">"</span></span><span class="token punctuation">></span></span><span class="token script"></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>script</span><span class="token punctuation">></span></span></code></pre>
 <h3>JavaScript</h3>

package.json

@@ -41,37 +41,30 @@
   "author": "Google LLC",
   "license": "BSD-3-Clause",
   "dependencies": {
-    "lit": "^2.1.0"
+    "lit": "^2.2.4"
   },
   "devDependencies": {
-    "@11ty/eleventy": "^0.12.1",
-    "@11ty/eleventy-plugin-syntaxhighlight": "^3.0.1",
+    "@11ty/eleventy": "^1.0.1",
+    "@11ty/eleventy-plugin-syntaxhighlight": "^4.0.0",
     "@custom-elements-manifest/analyzer": "^0.5.7",
-    "@esm-bundle/chai": "^4.1.5",
-    "@open-wc/testing": "^3.0.0-next.1",
-    "@open-wc/testing-karma": "^4.0.9",
-    "@rollup/plugin-node-resolve": "^13.0.4",
-    "@rollup/plugin-replace": "^3.0.0",
-    "@types/mocha": "^9.0.0",
-    "@typescript-eslint/eslint-plugin": "^4.3.0",
-    "@typescript-eslint/parser": "^4.30.0",
-    "@web/dev-server": "^0.1.22",
-    "@web/dev-server-legacy": "^0.1.4",
-    "@web/dev-server-rollup": "^0.3.9",
-    "@web/test-runner": "^0.13.16",
-    "@web/test-runner-mocha": "^0.7.4",
-    "@web/test-runner-playwright": "^0.8.4",
+    "@open-wc/testing": "^3.1.5",
+    "@rollup/plugin-node-resolve": "^13.3.0",
+    "@rollup/plugin-replace": "^4.0.0",
+    "@typescript-eslint/eslint-plugin": "^5.25.0",
+    "@typescript-eslint/parser": "^5.25.0",
+    "@web/dev-server": "^0.1.31",
+    "@web/dev-server-legacy": "^1.0.0",
+    "@web/test-runner": "^0.13.27",
+    "@web/test-runner-playwright": "^0.8.8",
     "@webcomponents/webcomponentsjs": "^2.6.0",
-    "deepmerge": "^4.2.2",
-    "eslint": "^7.32.0",
-    "lit-analyzer": "^1.1.10",
-    "mocha": "^9.1.1",
-    "prettier": "^2.3.2",
+    "eslint": "^8.15.0",
+    "lit-analyzer": "^1.2.1",
+    "prettier": "^2.6.2",
     "rimraf": "^3.0.2",
-    "rollup": "^2.70.2",
-    "rollup-plugin-summary": "^1.2.3",
+    "rollup": "^2.73.0",
+    "rollup-plugin-summary": "^1.4.3",
     "rollup-plugin-terser": "^7.0.2",
-    "typescript": "^4.3.5"
+    "typescript": "~4.6.4"
   },
   "customElements": "custom-elements.json"
 }