diff --git a/dist/demo.html b/dist/demo.html
index 1afadbb..0d1dbbd 100644
--- a/dist/demo.html
+++ b/dist/demo.html
@@ -72,7 +72,7 @@
                 .t(
                     `
                     \<script type="module">
-                        import $d from "/fluent-dom-esm.ts";
+                        import $d from "/fluent-dom-esm.js";
 
                         // Create new objects in memory with a simple, chainable interface
                         const $article = $d
@@ -149,7 +149,7 @@
                     (val) => `<span class="code-str">${val}</span>`,
                 )
                 .replace(/\.\w+/g, (val) =>
-                    val !== ".ts"
+                    val !== ".js"
                         ? `<span class="code-func">${val}</span>`
                         : val,
                 )
diff --git a/dist/fluent-dom-esm.js b/dist/fluent-dom-esm.js
index be1df68..21ba35c 100644
--- a/dist/fluent-dom-esm.js
+++ b/dist/fluent-dom-esm.js
@@ -4,13 +4,13 @@ const isHTMLElement = (value) => !!value.nodeType;
 const isNumber = (value) => typeof value === "number";
 const isString = (value) => typeof value === "string";
 /**
- * fluent-dom-esm v2.2.0
+ * fluent-dom-esm v2.2.1
  *
- * Fluent DOM Manipulation, adapted to ESM and cranked up to v2.1(.0).
+ * Fluent DOM Manipulation, adapted to ESM and cranked up to v2.2(.1).
  *
  * https://git.itsericwoodward.com/eric/fluent-dom-esm
  *
- * v2.2.0 Copyright (c) 2025 Eric Woodward
+ * v2.2.1 Copyright (c) 2025 Eric Woodward
  * Original copyright (c) 2009 Tommy Montgomery (https://glacius.tmont.com/articles/fluent-dom-manipulation-in-javascript)
  *
  * Released under the WTFPL (Do What the Fuck You Want to Public License)
@@ -19,7 +19,7 @@ const isString = (value) => typeof value === "string";
  * @author  Tommy Montgomery (original)
  * @license http://sam.zoy.org/wtfpl/
  */
-const APP_VERSION = "2.2.0";
+const APP_VERSION = "2.2.1";
 const fluentDomEsm = (function() {
   const FluentDom = function(nodeOrQuerySelector) {
     if (typeof nodeOrQuerySelector !== "string")
diff --git a/dist/fluent-dom-esm.types.d.ts b/dist/fluent-dom-esm.types.d.ts
index 0aff0f8..b211d29 100644
--- a/dist/fluent-dom-esm.types.d.ts
+++ b/dist/fluent-dom-esm.types.d.ts
@@ -1,4 +1,5 @@
 export interface FluentDomObject {
+    (nodeOrQuerySelector: string | HTMLElement): FluentDomObject;
     fluentDom: string;
     a: (name: string, value: string) => FluentDomObject;
     app: (obj: FluentDomObject | HTMLElement | string) => FluentDomObject;
diff --git a/index.html b/index.html
index a9b53c2..ef04653 100644
--- a/index.html
+++ b/index.html
@@ -72,7 +72,7 @@
                 .t(
                     `
                     \<script type="module">
-                        import $d from "/fluent-dom-esm.ts";
+                        import $d from "/fluent-dom-esm.js";
 
                         // Create new objects in memory with a simple, chainable interface
                         const $article = $d
@@ -153,7 +153,7 @@
                     (val) => `<span class="code-str">${val}</span>`,
                 )
                 .replace(/\.\w+/g, (val) =>
-                    val !== ".ts"
+                    val !== ".js"
                         ? `<span class="code-func">${val}</span>`
                         : val,
                 )
diff --git a/jsr.json b/jsr.json
index a4b88e1..0101b6c 100644
--- a/jsr.json
+++ b/jsr.json
@@ -1,5 +1,5 @@
 {
   "name": "@itsericwoodward/fluent-dom-esm",
-  "version": "2.2.0",
+  "version": "2.2.1",
   "exports": "./src/fluent-dom-esm.ts"
 }
\ No newline at end of file
diff --git a/package.json b/package.json
index 20ee7ff..6a6a5af 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "fluent-dom-esm",
-  "version": "2.2.0",
+  "version": "2.2.1",
   "description": "",
   "license": "WTFPL",
   "exports": {
@@ -21,13 +21,16 @@
     "preview": "vite preview",
     "prepublishOnly": "yarn build",
     "postpublish": "git push && git push --tags",
-    "test": "echo 'No tests yet!'"
+    "test": "vitest"
   },
   "devDependencies": {
+    "@testing-library/jest-dom": "^6.8.0",
+    "happy-dom": "^18.0.1",
     "prettier": "^3.6.2",
     "typescript": "^5.9.2",
     "unplugin-dts": "1.0.0-beta.6",
-    "vite": "^7.1.5"
+    "vite": "^7.1.5",
+    "vitest": "^3.2.4"
   },
   "packageManager": "yarn@4.9.4"
 }
diff --git a/public/demo.html b/public/demo.html
index 1afadbb..0d1dbbd 100644
--- a/public/demo.html
+++ b/public/demo.html
@@ -72,7 +72,7 @@
                 .t(
                     `
                     \<script type="module">
-                        import $d from "/fluent-dom-esm.ts";
+                        import $d from "/fluent-dom-esm.js";
 
                         // Create new objects in memory with a simple, chainable interface
                         const $article = $d
@@ -149,7 +149,7 @@
                     (val) => `<span class="code-str">${val}</span>`,
                 )
                 .replace(/\.\w+/g, (val) =>
-                    val !== ".ts"
+                    val !== ".js"
                         ? `<span class="code-func">${val}</span>`
                         : val,
                 )
diff --git a/setupTests.ts b/setupTests.ts
new file mode 100644
index 0000000..f149f27
--- /dev/null
+++ b/setupTests.ts
@@ -0,0 +1 @@
+import "@testing-library/jest-dom/vitest";
diff --git a/src/__tests__/fluent-dom-esm.test.ts b/src/__tests__/fluent-dom-esm.test.ts
new file mode 100644
index 0000000..75e5616
--- /dev/null
+++ b/src/__tests__/fluent-dom-esm.test.ts
@@ -0,0 +1,32 @@
+// @vitest-environment happy-dom
+
+import { describe, expect, it } from "vitest";
+
+import $d from "../fluent-dom-esm";
+
+describe("fluent-dom-esm tests", () => {
+    it("should allow for wrapping an existing node", () => {
+        const $body = $d(document.body);
+        $d(document.body).app($d.c("div").cls("test-class").t("text content"));
+        expect($body.toDom()?.innerHTML).toEqual(
+            '<div class="test-class">text content</div>',
+        );
+        expect(document.body?.innerHTML).toEqual(
+            '<div class="test-class">text content</div>',
+        );
+    });
+
+    it("should allow for wrapping an existing node via a querySelector for an ID", () => {
+        $d(document.body)
+            .app($d.c("div").id("item1").t("Item 1"))
+            .app($d.c("div").id("item2").t("Item 2"))
+            .app($d.c("div").id("item3").cls("item-num3").t("Item 3"));
+        expect($d("#item2").toDom()).toHaveTextContent("Item 2");
+        expect($d("#item3").toDom()).toHaveClass("item-num3");
+    });
+
+    it("should append text provided via `.text()`", () => {
+        const testVal = "testing 123";
+        expect($d.c("div").t(testVal).toDom()).toHaveTextContent(testVal);
+    });
+});
diff --git a/src/fluent-dom-esm.ts b/src/fluent-dom-esm.ts
index d390c7d..73df635 100644
--- a/src/fluent-dom-esm.ts
+++ b/src/fluent-dom-esm.ts
@@ -1,11 +1,11 @@
 /**
- * fluent-dom-esm v2.2.0
+ * fluent-dom-esm v2.2.1
  *
- * Fluent DOM Manipulation, adapted to ESM and cranked up to v2.1(.0).
+ * Fluent DOM Manipulation, adapted to ESM and cranked up to v2.2(.1).
  *
  * https://git.itsericwoodward.com/eric/fluent-dom-esm
  *
- * v2.2.0 Copyright (c) 2025 Eric Woodward
+ * v2.2.1 Copyright (c) 2025 Eric Woodward
  * Original copyright (c) 2009 Tommy Montgomery (https://glacius.tmont.com/articles/fluent-dom-manipulation-in-javascript)
  *
  * Released under the WTFPL (Do What the Fuck You Want to Public License)
@@ -24,7 +24,7 @@ import {
     isString,
 } from "./fluent-dom-esm.type-guards";
 
-const APP_VERSION = "2.2.0";
+const APP_VERSION = "2.2.1";
 
 /**
  * IIFE that creates the FluentDomObject as default export
diff --git a/src/fluent-dom-esm.types.ts b/src/fluent-dom-esm.types.ts
index 3f3e39e..628e58c 100644
--- a/src/fluent-dom-esm.types.ts
+++ b/src/fluent-dom-esm.types.ts
@@ -1,4 +1,5 @@
 export interface FluentDomObject {
+    (nodeOrQuerySelector: string | HTMLElement): FluentDomObject;
     fluentDom: string;
 
     a: (name: string, value: string) => FluentDomObject;
diff --git a/vite.config.js b/vite.config.js
index 471fb65..4b2611c 100644
--- a/vite.config.js
+++ b/vite.config.js
@@ -6,7 +6,7 @@ import { defineConfig } from 'vite';
 const __dirname = dirname(fileURLToPath(import.meta.url));
 
 export default defineConfig({
-	plugins: [dts()],
+	plugins: [dts({exclude: ["./setupTests.ts", "**/*.test.ts"]})],
 	build: {
 		lib: {
 			entry: resolve(__dirname, 'src/fluent-dom-esm.ts'),
@@ -14,14 +14,6 @@ export default defineConfig({
 			fileName: 'fluent-dom-esm',
 			formats: ['es']
 		},
-		minify: false,
-		rollupOptions: {
-			output: {
-				banner: '/* my-library version banner */',
-				footer: '/* follow me on Twitter! @rich_harris footer */',
-				intro: '/* my-library version intro*/',
-				outro: '/* follow me on Twitter! @rich_harris outro */',
-			}
-		}
+		minify: false
 	}
 });
diff --git a/vitest.config.js b/vitest.config.js
new file mode 100644
index 0000000..bd2b61b
--- /dev/null
+++ b/vitest.config.js
@@ -0,0 +1,7 @@
+import { defineConfig } from 'vite';
+
+export default defineConfig({
+  test: {
+    setupFiles: ["./setupTests.ts"],
+  },
+})
diff --git a/yarn.lock b/yarn.lock
index 552f353..bbf7080 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5,6 +5,13 @@ __metadata:
   version: 8
   cacheKey: 10c0
 
+"@adobe/css-tools@npm:^4.4.0":
+  version: 4.4.4
+  resolution: "@adobe/css-tools@npm:4.4.4"
+  checksum: 10c0/8f3e6cfaa5e6286e6f05de01d91d060425be2ebaef490881f5fe6da8bbdb336835c5d373ea337b0c3b0a1af4be048ba18780f0f6021d30809b4545922a7e13d9
+  languageName: node
+  linkType: hard
+
 "@esbuild/aix-ppc64@npm:0.25.9":
   version: 0.25.9
   resolution: "@esbuild/aix-ppc64@npm:0.25.9"
@@ -446,6 +453,36 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@testing-library/jest-dom@npm:^6.8.0":
+  version: 6.8.0
+  resolution: "@testing-library/jest-dom@npm:6.8.0"
+  dependencies:
+    "@adobe/css-tools": "npm:^4.4.0"
+    aria-query: "npm:^5.0.0"
+    css.escape: "npm:^1.5.1"
+    dom-accessibility-api: "npm:^0.6.3"
+    picocolors: "npm:^1.1.1"
+    redent: "npm:^3.0.0"
+  checksum: 10c0/4c5b8b433e0339e0399b940ae901a99ae00f1d5ffb7cbb295460b2c44aaad0bc7befcca7b06ceed7aa68a524970077468046c9fe52836ee26f45b807c80a7ff1
+  languageName: node
+  linkType: hard
+
+"@types/chai@npm:^5.2.2":
+  version: 5.2.2
+  resolution: "@types/chai@npm:5.2.2"
+  dependencies:
+    "@types/deep-eql": "npm:*"
+  checksum: 10c0/49282bf0e8246800ebb36f17256f97bd3a8c4fb31f92ad3c0eaa7623518d7e87f1eaad4ad206960fcaf7175854bdff4cb167e4fe96811e0081b4ada83dd533ec
+  languageName: node
+  linkType: hard
+
+"@types/deep-eql@npm:*":
+  version: 4.0.2
+  resolution: "@types/deep-eql@npm:4.0.2"
+  checksum: 10c0/bf3f811843117900d7084b9d0c852da9a044d12eb40e6de73b552598a6843c21291a8a381b0532644574beecd5e3491c5ff3a0365ab86b15d59862c025384844
+  languageName: node
+  linkType: hard
+
 "@types/estree@npm:1.0.8, @types/estree@npm:^1.0.0":
   version: 1.0.8
   resolution: "@types/estree@npm:1.0.8"
@@ -453,6 +490,105 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@types/node@npm:^20.0.0":
+  version: 20.19.14
+  resolution: "@types/node@npm:20.19.14"
+  dependencies:
+    undici-types: "npm:~6.21.0"
+  checksum: 10c0/cb6a1e3eda43056bf3135d46affbbe5883600adc1928f99247dd9b1a5254823174a91e2d7c6734c2c247a4eb889cb81b0113306e61bf8f4a709b55e86a325f79
+  languageName: node
+  linkType: hard
+
+"@types/whatwg-mimetype@npm:^3.0.2":
+  version: 3.0.2
+  resolution: "@types/whatwg-mimetype@npm:3.0.2"
+  checksum: 10c0/dad39d1e4abe760a0a963c84bbdbd26b1df0eb68aff83bdf6ecbb50ad781ead777f6906d19a87007790b750f7500a12e5624d31fc6a1529d14bd19b5c3a316d1
+  languageName: node
+  linkType: hard
+
+"@vitest/expect@npm:3.2.4":
+  version: 3.2.4
+  resolution: "@vitest/expect@npm:3.2.4"
+  dependencies:
+    "@types/chai": "npm:^5.2.2"
+    "@vitest/spy": "npm:3.2.4"
+    "@vitest/utils": "npm:3.2.4"
+    chai: "npm:^5.2.0"
+    tinyrainbow: "npm:^2.0.0"
+  checksum: 10c0/7586104e3fd31dbe1e6ecaafb9a70131e4197dce2940f727b6a84131eee3decac7b10f9c7c72fa5edbdb68b6f854353bd4c0fa84779e274207fb7379563b10db
+  languageName: node
+  linkType: hard
+
+"@vitest/mocker@npm:3.2.4":
+  version: 3.2.4
+  resolution: "@vitest/mocker@npm:3.2.4"
+  dependencies:
+    "@vitest/spy": "npm:3.2.4"
+    estree-walker: "npm:^3.0.3"
+    magic-string: "npm:^0.30.17"
+  peerDependencies:
+    msw: ^2.4.9
+    vite: ^5.0.0 || ^6.0.0 || ^7.0.0-0
+  peerDependenciesMeta:
+    msw:
+      optional: true
+    vite:
+      optional: true
+  checksum: 10c0/f7a4aea19bbbf8f15905847ee9143b6298b2c110f8b64789224cb0ffdc2e96f9802876aa2ca83f1ec1b6e1ff45e822abb34f0054c24d57b29ab18add06536ccd
+  languageName: node
+  linkType: hard
+
+"@vitest/pretty-format@npm:3.2.4, @vitest/pretty-format@npm:^3.2.4":
+  version: 3.2.4
+  resolution: "@vitest/pretty-format@npm:3.2.4"
+  dependencies:
+    tinyrainbow: "npm:^2.0.0"
+  checksum: 10c0/5ad7d4278e067390d7d633e307fee8103958806a419ca380aec0e33fae71b44a64415f7a9b4bc11635d3c13d4a9186111c581d3cef9c65cc317e68f077456887
+  languageName: node
+  linkType: hard
+
+"@vitest/runner@npm:3.2.4":
+  version: 3.2.4
+  resolution: "@vitest/runner@npm:3.2.4"
+  dependencies:
+    "@vitest/utils": "npm:3.2.4"
+    pathe: "npm:^2.0.3"
+    strip-literal: "npm:^3.0.0"
+  checksum: 10c0/e8be51666c72b3668ae3ea348b0196656a4a5adb836cb5e270720885d9517421815b0d6c98bfdf1795ed02b994b7bfb2b21566ee356a40021f5bf4f6ed4e418a
+  languageName: node
+  linkType: hard
+
+"@vitest/snapshot@npm:3.2.4":
+  version: 3.2.4
+  resolution: "@vitest/snapshot@npm:3.2.4"
+  dependencies:
+    "@vitest/pretty-format": "npm:3.2.4"
+    magic-string: "npm:^0.30.17"
+    pathe: "npm:^2.0.3"
+  checksum: 10c0/f8301a3d7d1559fd3d59ed51176dd52e1ed5c2d23aa6d8d6aa18787ef46e295056bc726a021698d8454c16ed825ecba163362f42fa90258bb4a98cfd2c9424fc
+  languageName: node
+  linkType: hard
+
+"@vitest/spy@npm:3.2.4":
+  version: 3.2.4
+  resolution: "@vitest/spy@npm:3.2.4"
+  dependencies:
+    tinyspy: "npm:^4.0.3"
+  checksum: 10c0/6ebf0b4697dc238476d6b6a60c76ba9eb1dd8167a307e30f08f64149612fd50227682b876420e4c2e09a76334e73f72e3ebf0e350714dc22474258292e202024
+  languageName: node
+  linkType: hard
+
+"@vitest/utils@npm:3.2.4":
+  version: 3.2.4
+  resolution: "@vitest/utils@npm:3.2.4"
+  dependencies:
+    "@vitest/pretty-format": "npm:3.2.4"
+    loupe: "npm:^3.1.4"
+    tinyrainbow: "npm:^2.0.0"
+  checksum: 10c0/024a9b8c8bcc12cf40183c246c244b52ecff861c6deb3477cbf487ac8781ad44c68a9c5fd69f8c1361878e55b97c10d99d511f2597f1f7244b5e5101d028ba64
+  languageName: node
+  linkType: hard
+
 "@volar/language-core@npm:2.4.23":
   version: 2.4.23
   resolution: "@volar/language-core@npm:2.4.23"
@@ -533,6 +669,20 @@ __metadata:
   languageName: node
   linkType: hard
 
+"aria-query@npm:^5.0.0":
+  version: 5.3.2
+  resolution: "aria-query@npm:5.3.2"
+  checksum: 10c0/003c7e3e2cff5540bf7a7893775fc614de82b0c5dde8ae823d47b7a28a9d4da1f7ed85f340bdb93d5649caa927755f0e31ecc7ab63edfdfc00c8ef07e505e03e
+  languageName: node
+  linkType: hard
+
+"assertion-error@npm:^2.0.1":
+  version: 2.0.1
+  resolution: "assertion-error@npm:2.0.1"
+  checksum: 10c0/bbbcb117ac6480138f8c93cf7f535614282dea9dc828f540cdece85e3c665e8f78958b96afac52f29ff883c72638e6a87d469ecc9fe5bc902df03ed24a55dba8
+  languageName: node
+  linkType: hard
+
 "balanced-match@npm:^1.0.0":
   version: 1.0.2
   resolution: "balanced-match@npm:1.0.2"
@@ -549,6 +699,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"cac@npm:^6.7.14":
+  version: 6.7.14
+  resolution: "cac@npm:6.7.14"
+  checksum: 10c0/4ee06aaa7bab8981f0d54e5f5f9d4adcd64058e9697563ce336d8a3878ed018ee18ebe5359b2430eceae87e0758e62ea2019c3f52ae6e211b1bd2e133856cd10
+  languageName: node
+  linkType: hard
+
 "cacache@npm:^19.0.1":
   version: 19.0.1
   resolution: "cacache@npm:19.0.1"
@@ -569,6 +726,26 @@ __metadata:
   languageName: node
   linkType: hard
 
+"chai@npm:^5.2.0":
+  version: 5.3.3
+  resolution: "chai@npm:5.3.3"
+  dependencies:
+    assertion-error: "npm:^2.0.1"
+    check-error: "npm:^2.1.1"
+    deep-eql: "npm:^5.0.1"
+    loupe: "npm:^3.1.0"
+    pathval: "npm:^2.0.0"
+  checksum: 10c0/b360fd4d38861622e5010c2f709736988b05c7f31042305fa3f4e9911f6adb80ccfb4e302068bf8ed10e835c2e2520cba0f5edc13d878b886987e5aa62483f53
+  languageName: node
+  linkType: hard
+
+"check-error@npm:^2.1.1":
+  version: 2.1.1
+  resolution: "check-error@npm:2.1.1"
+  checksum: 10c0/979f13eccab306cf1785fa10941a590b4e7ea9916ea2a4f8c87f0316fc3eab07eabefb6e587424ef0f88cbcd3805791f172ea739863ca3d7ce2afc54641c7f0e
+  languageName: node
+  linkType: hard
+
 "chownr@npm:^3.0.0":
   version: 3.0.0
   resolution: "chownr@npm:3.0.0"
@@ -624,7 +801,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"debug@npm:4, debug@npm:^4.3.4, debug@npm:^4.4.0":
+"css.escape@npm:^1.5.1":
+  version: 1.5.1
+  resolution: "css.escape@npm:1.5.1"
+  checksum: 10c0/5e09035e5bf6c2c422b40c6df2eb1529657a17df37fda5d0433d722609527ab98090baf25b13970ca754079a0f3161dd3dfc0e743563ded8cfa0749d861c1525
+  languageName: node
+  linkType: hard
+
+"debug@npm:4, debug@npm:^4.3.4, debug@npm:^4.4.0, debug@npm:^4.4.1":
   version: 4.4.1
   resolution: "debug@npm:4.4.1"
   dependencies:
@@ -636,6 +820,20 @@ __metadata:
   languageName: node
   linkType: hard
 
+"deep-eql@npm:^5.0.1":
+  version: 5.0.2
+  resolution: "deep-eql@npm:5.0.2"
+  checksum: 10c0/7102cf3b7bb719c6b9c0db2e19bf0aa9318d141581befe8c7ce8ccd39af9eaa4346e5e05adef7f9bd7015da0f13a3a25dcfe306ef79dc8668aedbecb658dd247
+  languageName: node
+  linkType: hard
+
+"dom-accessibility-api@npm:^0.6.3":
+  version: 0.6.3
+  resolution: "dom-accessibility-api@npm:0.6.3"
+  checksum: 10c0/10bee5aa514b2a9a37c87cd81268db607a2e933a050074abc2f6fa3da9080ebed206a320cbc123567f2c3087d22292853bdfdceaffdd4334ffe2af9510b29360
+  languageName: node
+  linkType: hard
+
 "eastasianwidth@npm:^0.2.0":
   version: 0.2.0
   resolution: "eastasianwidth@npm:0.2.0"
@@ -680,6 +878,13 @@ __metadata:
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   linkType: hard
 
+"es-module-lexer@npm:^1.7.0":
+  version: 1.7.0
+  resolution: "es-module-lexer@npm:1.7.0"
+  checksum: 10c0/4c935affcbfeba7fb4533e1da10fa8568043df1e3574b869385980de9e2d475ddc36769891936dbb07036edb3c3786a8b78ccf44964cd130dedc1f2c984b6c7b
+  languageName: node
+  linkType: hard
+
 "esbuild@npm:^0.25.0":
   version: 0.25.9
   resolution: "esbuild@npm:0.25.9"
@@ -776,6 +981,22 @@ __metadata:
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   linkType: hard
 
+"estree-walker@npm:^3.0.3":
+  version: 3.0.3
+  resolution: "estree-walker@npm:3.0.3"
+  dependencies:
+    "@types/estree": "npm:^1.0.0"
+  checksum: 10c0/c12e3c2b2642d2bcae7d5aa495c60fa2f299160946535763969a1c83fc74518ffa9c2cd3a8b69ac56aea547df6a8aac25f729a342992ef0bbac5f1c73e78995d
+  languageName: node
+  linkType: hard
+
+"expect-type@npm:^1.2.1":
+  version: 1.2.2
+  resolution: "expect-type@npm:1.2.2"
+  checksum: 10c0/6019019566063bbc7a690d9281d920b1a91284a4a093c2d55d71ffade5ac890cf37a51e1da4602546c4b56569d2ad2fc175a2ccee77d1ae06cb3af91ef84f44b
+  languageName: node
+  linkType: hard
+
 "exponential-backoff@npm:^3.1.1":
   version: 3.1.2
   resolution: "exponential-backoff@npm:3.1.2"
@@ -806,10 +1027,13 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "fluent-dom-esm@workspace:."
   dependencies:
+    "@testing-library/jest-dom": "npm:^6.8.0"
+    happy-dom: "npm:^18.0.1"
     prettier: "npm:^3.6.2"
     typescript: "npm:^5.9.2"
     unplugin-dts: "npm:1.0.0-beta.6"
     vite: "npm:^7.1.5"
+    vitest: "npm:^3.2.4"
   languageName: unknown
   linkType: soft
 
@@ -874,6 +1098,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"happy-dom@npm:^18.0.1":
+  version: 18.0.1
+  resolution: "happy-dom@npm:18.0.1"
+  dependencies:
+    "@types/node": "npm:^20.0.0"
+    "@types/whatwg-mimetype": "npm:^3.0.2"
+    whatwg-mimetype: "npm:^3.0.0"
+  checksum: 10c0/10f2115f5001fdaf1aedcbda89c15248a1c2e43a25d7e774cb641a35bf6763cef9097b438ef3c2248ab59a0ef33b3e88cb94da096f2bb0fc109ba3f43f7c66d4
+  languageName: node
+  linkType: hard
+
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   version: 4.2.0
   resolution: "http-cache-semantics@npm:4.2.0"
@@ -917,6 +1152,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"indent-string@npm:^4.0.0":
+  version: 4.0.0
+  resolution: "indent-string@npm:4.0.0"
+  checksum: 10c0/1e1904ddb0cb3d6cce7cd09e27a90184908b7a5d5c21b92e232c93579d314f0b83c246ffb035493d0504b1e9147ba2c9b21df0030f48673fba0496ecd698161f
+  languageName: node
+  linkType: hard
+
 "ip-address@npm:^10.0.1":
   version: 10.0.1
   resolution: "ip-address@npm:10.0.1"
@@ -958,6 +1200,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"js-tokens@npm:^9.0.1":
+  version: 9.0.1
+  resolution: "js-tokens@npm:9.0.1"
+  checksum: 10c0/68dcab8f233dde211a6b5fd98079783cbcd04b53617c1250e3553ee16ab3e6134f5e65478e41d82f6d351a052a63d71024553933808570f04dbf828d7921e80e
+  languageName: node
+  linkType: hard
+
 "kolorist@npm:^1.8.0":
   version: 1.8.0
   resolution: "kolorist@npm:1.8.0"
@@ -976,6 +1225,13 @@ __metadata:
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   linkType: hard
 
+"loupe@npm:^3.1.0, loupe@npm:^3.1.4":
+  version: 3.2.1
+  resolution: "loupe@npm:3.2.1"
+  checksum: 10c0/910c872cba291309664c2d094368d31a68907b6f5913e989d301b5c25f30e97d76d77f23ab3bf3b46d0f601ff0b6af8810c10c31b91d2c6b2f132809ca2cc705
+  languageName: node
+  linkType: hard
+
 "lru-cache@npm:^10.0.1, lru-cache@npm:^10.2.0":
   version: 10.4.3
   resolution: "lru-cache@npm:10.4.3"
@@ -1011,6 +1267,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"min-indent@npm:^1.0.0":
+  version: 1.0.1
+  resolution: "min-indent@npm:1.0.1"
+  checksum: 10c0/7e207bd5c20401b292de291f02913230cb1163abca162044f7db1d951fa245b174dc00869d40dd9a9f32a885ad6a5f3e767ee104cf278f399cb4e92d3f582d5c
+  languageName: node
+  linkType: hard
+
 "minimatch@npm:^9.0.4":
   version: 9.0.5
   resolution: "minimatch@npm:9.0.5"
@@ -1216,6 +1479,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"pathval@npm:^2.0.0":
+  version: 2.0.1
+  resolution: "pathval@npm:2.0.1"
+  checksum: 10c0/460f4709479fbf2c45903a65655fc8f0a5f6d808f989173aeef5fdea4ff4f303dc13f7870303999add60ec49d4c14733895c0a869392e9866f1091fa64fd7581
+  languageName: node
+  linkType: hard
+
 "picocolors@npm:^1.1.1":
   version: 1.1.1
   resolution: "picocolors@npm:1.1.1"
@@ -1296,6 +1566,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"redent@npm:^3.0.0":
+  version: 3.0.0
+  resolution: "redent@npm:3.0.0"
+  dependencies:
+    indent-string: "npm:^4.0.0"
+    strip-indent: "npm:^3.0.0"
+  checksum: 10c0/d64a6b5c0b50eb3ddce3ab770f866658a2b9998c678f797919ceb1b586bab9259b311407280bd80b804e2a7c7539b19238ae6a2a20c843f1a7fcff21d48c2eae
+  languageName: node
+  linkType: hard
+
 "retry@npm:^0.12.0":
   version: 0.12.0
   resolution: "retry@npm:0.12.0"
@@ -1413,6 +1693,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"siginfo@npm:^2.0.0":
+  version: 2.0.0
+  resolution: "siginfo@npm:2.0.0"
+  checksum: 10c0/3def8f8e516fbb34cb6ae415b07ccc5d9c018d85b4b8611e3dc6f8be6d1899f693a4382913c9ed51a06babb5201639d76453ab297d1c54a456544acf5c892e34
+  languageName: node
+  linkType: hard
+
 "signal-exit@npm:^4.0.1":
   version: 4.1.0
   resolution: "signal-exit@npm:4.1.0"
@@ -1464,6 +1751,20 @@ __metadata:
   languageName: node
   linkType: hard
 
+"stackback@npm:0.0.2":
+  version: 0.0.2
+  resolution: "stackback@npm:0.0.2"
+  checksum: 10c0/89a1416668f950236dd5ac9f9a6b2588e1b9b62b1b6ad8dff1bfc5d1a15dbf0aafc9b52d2226d00c28dffff212da464eaeebfc6b7578b9d180cef3e3782c5983
+  languageName: node
+  linkType: hard
+
+"std-env@npm:^3.9.0":
+  version: 3.9.0
+  resolution: "std-env@npm:3.9.0"
+  checksum: 10c0/4a6f9218aef3f41046c3c7ecf1f98df00b30a07f4f35c6d47b28329bc2531eef820828951c7d7b39a1c5eb19ad8a46e3ddfc7deb28f0a2f3ceebee11bab7ba50
+  languageName: node
+  linkType: hard
+
 "string-width-cjs@npm:string-width@^4.2.0, string-width@npm:^4.1.0":
   version: 4.2.3
   resolution: "string-width@npm:4.2.3"
@@ -1504,6 +1805,24 @@ __metadata:
   languageName: node
   linkType: hard
 
+"strip-indent@npm:^3.0.0":
+  version: 3.0.0
+  resolution: "strip-indent@npm:3.0.0"
+  dependencies:
+    min-indent: "npm:^1.0.0"
+  checksum: 10c0/ae0deaf41c8d1001c5d4fbe16cb553865c1863da4fae036683b474fa926af9fc121e155cb3fc57a68262b2ae7d5b8420aa752c97a6428c315d00efe2a3875679
+  languageName: node
+  linkType: hard
+
+"strip-literal@npm:^3.0.0":
+  version: 3.0.0
+  resolution: "strip-literal@npm:3.0.0"
+  dependencies:
+    js-tokens: "npm:^9.0.1"
+  checksum: 10c0/d81657f84aba42d4bbaf2a677f7e7f34c1f3de5a6726db8bc1797f9c0b303ba54d4660383a74bde43df401cf37cce1dff2c842c55b077a4ceee11f9e31fba828
+  languageName: node
+  linkType: hard
+
 "tar@npm:^7.4.3":
   version: 7.4.3
   resolution: "tar@npm:7.4.3"
@@ -1518,7 +1837,21 @@ __metadata:
   languageName: node
   linkType: hard
 
-"tinyglobby@npm:^0.2.12, tinyglobby@npm:^0.2.15":
+"tinybench@npm:^2.9.0":
+  version: 2.9.0
+  resolution: "tinybench@npm:2.9.0"
+  checksum: 10c0/c3500b0f60d2eb8db65250afe750b66d51623057ee88720b7f064894a6cb7eb93360ca824a60a31ab16dab30c7b1f06efe0795b352e37914a9d4bad86386a20c
+  languageName: node
+  linkType: hard
+
+"tinyexec@npm:^0.3.2":
+  version: 0.3.2
+  resolution: "tinyexec@npm:0.3.2"
+  checksum: 10c0/3efbf791a911be0bf0821eab37a3445c2ba07acc1522b1fa84ae1e55f10425076f1290f680286345ed919549ad67527d07281f1c19d584df3b74326909eb1f90
+  languageName: node
+  linkType: hard
+
+"tinyglobby@npm:^0.2.12, tinyglobby@npm:^0.2.14, tinyglobby@npm:^0.2.15":
   version: 0.2.15
   resolution: "tinyglobby@npm:0.2.15"
   dependencies:
@@ -1528,6 +1861,27 @@ __metadata:
   languageName: node
   linkType: hard
 
+"tinypool@npm:^1.1.1":
+  version: 1.1.1
+  resolution: "tinypool@npm:1.1.1"
+  checksum: 10c0/bf26727d01443061b04fa863f571016950888ea994ba0cd8cba3a1c51e2458d84574341ab8dbc3664f1c3ab20885c8cf9ff1cc4b18201f04c2cde7d317fff69b
+  languageName: node
+  linkType: hard
+
+"tinyrainbow@npm:^2.0.0":
+  version: 2.0.0
+  resolution: "tinyrainbow@npm:2.0.0"
+  checksum: 10c0/c83c52bef4e0ae7fb8ec6a722f70b5b6fa8d8be1c85792e829f56c0e1be94ab70b293c032dc5048d4d37cfe678f1f5babb04bdc65fd123098800148ca989184f
+  languageName: node
+  linkType: hard
+
+"tinyspy@npm:^4.0.3":
+  version: 4.0.3
+  resolution: "tinyspy@npm:4.0.3"
+  checksum: 10c0/0a92a18b5350945cc8a1da3a22c9ad9f4e2945df80aaa0c43e1b3a3cfb64d8501e607ebf0305e048e3c3d3e0e7f8eb10cea27dc17c21effb73e66c4a3be36373
+  languageName: node
+  linkType: hard
+
 "typescript@npm:^5.9.2":
   version: 5.9.2
   resolution: "typescript@npm:5.9.2"
@@ -1555,6 +1909,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"undici-types@npm:~6.21.0":
+  version: 6.21.0
+  resolution: "undici-types@npm:6.21.0"
+  checksum: 10c0/c01ed51829b10aa72fc3ce64b747f8e74ae9b60eafa19a7b46ef624403508a54c526ffab06a14a26b3120d055e1104d7abe7c9017e83ced038ea5cf52f8d5e04
+  languageName: node
+  linkType: hard
+
 "unique-filename@npm:^4.0.0":
   version: 4.0.0
   resolution: "unique-filename@npm:4.0.0"
@@ -1628,7 +1989,22 @@ __metadata:
   languageName: node
   linkType: hard
 
-"vite@npm:^7.1.5":
+"vite-node@npm:3.2.4":
+  version: 3.2.4
+  resolution: "vite-node@npm:3.2.4"
+  dependencies:
+    cac: "npm:^6.7.14"
+    debug: "npm:^4.4.1"
+    es-module-lexer: "npm:^1.7.0"
+    pathe: "npm:^2.0.3"
+    vite: "npm:^5.0.0 || ^6.0.0 || ^7.0.0-0"
+  bin:
+    vite-node: vite-node.mjs
+  checksum: 10c0/6ceca67c002f8ef6397d58b9539f80f2b5d79e103a18367288b3f00a8ab55affa3d711d86d9112fce5a7fa658a212a087a005a045eb8f4758947dd99af2a6c6b
+  languageName: node
+  linkType: hard
+
+"vite@npm:^5.0.0 || ^6.0.0 || ^7.0.0-0, vite@npm:^7.1.5":
   version: 7.1.5
   resolution: "vite@npm:7.1.5"
   dependencies:
@@ -1683,6 +2059,62 @@ __metadata:
   languageName: node
   linkType: hard
 
+"vitest@npm:^3.2.4":
+  version: 3.2.4
+  resolution: "vitest@npm:3.2.4"
+  dependencies:
+    "@types/chai": "npm:^5.2.2"
+    "@vitest/expect": "npm:3.2.4"
+    "@vitest/mocker": "npm:3.2.4"
+    "@vitest/pretty-format": "npm:^3.2.4"
+    "@vitest/runner": "npm:3.2.4"
+    "@vitest/snapshot": "npm:3.2.4"
+    "@vitest/spy": "npm:3.2.4"
+    "@vitest/utils": "npm:3.2.4"
+    chai: "npm:^5.2.0"
+    debug: "npm:^4.4.1"
+    expect-type: "npm:^1.2.1"
+    magic-string: "npm:^0.30.17"
+    pathe: "npm:^2.0.3"
+    picomatch: "npm:^4.0.2"
+    std-env: "npm:^3.9.0"
+    tinybench: "npm:^2.9.0"
+    tinyexec: "npm:^0.3.2"
+    tinyglobby: "npm:^0.2.14"
+    tinypool: "npm:^1.1.1"
+    tinyrainbow: "npm:^2.0.0"
+    vite: "npm:^5.0.0 || ^6.0.0 || ^7.0.0-0"
+    vite-node: "npm:3.2.4"
+    why-is-node-running: "npm:^2.3.0"
+  peerDependencies:
+    "@edge-runtime/vm": "*"
+    "@types/debug": ^4.1.12
+    "@types/node": ^18.0.0 || ^20.0.0 || >=22.0.0
+    "@vitest/browser": 3.2.4
+    "@vitest/ui": 3.2.4
+    happy-dom: "*"
+    jsdom: "*"
+  peerDependenciesMeta:
+    "@edge-runtime/vm":
+      optional: true
+    "@types/debug":
+      optional: true
+    "@types/node":
+      optional: true
+    "@vitest/browser":
+      optional: true
+    "@vitest/ui":
+      optional: true
+    happy-dom:
+      optional: true
+    jsdom:
+      optional: true
+  bin:
+    vitest: vitest.mjs
+  checksum: 10c0/5bf53ede3ae6a0e08956d72dab279ae90503f6b5a05298a6a5e6ef47d2fd1ab386aaf48fafa61ed07a0ebfe9e371772f1ccbe5c258dd765206a8218bf2eb79eb
+  languageName: node
+  linkType: hard
+
 "vscode-uri@npm:^3.0.8":
   version: 3.1.0
   resolution: "vscode-uri@npm:3.1.0"
@@ -1697,6 +2129,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"whatwg-mimetype@npm:^3.0.0":
+  version: 3.0.0
+  resolution: "whatwg-mimetype@npm:3.0.0"
+  checksum: 10c0/323895a1cda29a5fb0b9ca82831d2c316309fede0365047c4c323073e3239067a304a09a1f4b123b9532641ab604203f33a1403b5ca6a62ef405bcd7a204080f
+  languageName: node
+  linkType: hard
+
 "which@npm:^2.0.1":
   version: 2.0.2
   resolution: "which@npm:2.0.2"
@@ -1719,6 +2158,18 @@ __metadata:
   languageName: node
   linkType: hard
 
+"why-is-node-running@npm:^2.3.0":
+  version: 2.3.0
+  resolution: "why-is-node-running@npm:2.3.0"
+  dependencies:
+    siginfo: "npm:^2.0.0"
+    stackback: "npm:0.0.2"
+  bin:
+    why-is-node-running: cli.js
+  checksum: 10c0/1cde0b01b827d2cf4cb11db962f3958b9175d5d9e7ac7361d1a7b0e2dc6069a263e69118bd974c4f6d0a890ef4eedfe34cf3d5167ec14203dbc9a18620537054
+  languageName: node
+  linkType: hard
+
 "wrap-ansi-cjs@npm:wrap-ansi@^7.0.0":
   version: 7.0.0
   resolution: "wrap-ansi@npm:7.0.0"