diff --git a/strcalc/src/main/frontend/.eslintrc b/strcalc/src/main/frontend/.eslintrc
index 1c6c7f7..ab7397d 100644
--- a/strcalc/src/main/frontend/.eslintrc
+++ b/strcalc/src/main/frontend/.eslintrc
@@ -1,8 +1,8 @@
 {
-  "env" : {
-    "browser" : true,
+  "env": {
+    "browser": true,
     "node": true,
-    "es2023" : true
+    "es2023": true
   },
   "parserOptions": {
     "ecmaVersion": "latest",
@@ -15,7 +15,7 @@
   ],
   "extends": [
     "eslint:recommended",
-    "plugin:jsdoc/recommended"
+    "plugin:jsdoc/recommended-typescript-flavor-error"
   ],
   "overrides": [
     {
@@ -26,7 +26,7 @@
       ]
     }
   ],
-  "rules" : {
+  "rules": {
     "@stylistic/js/comma-dangle": [
       "error", "never"
     ],
@@ -51,5 +51,12 @@
     "no-console": [
       "error", { "allow": [ "warn", "error" ]}
     ]
+  },
+  "settings": {
+    "jsdoc": {
+      "preferredTypes": {
+        "Object": "object"
+      }
+    }
   }
 }
diff --git a/strcalc/src/main/frontend/ci/vitest.config.browser.js b/strcalc/src/main/frontend/ci/vitest.config.browser.js
index 3e8eedc..914dbbb 100644
--- a/strcalc/src/main/frontend/ci/vitest.config.browser.js
+++ b/strcalc/src/main/frontend/ci/vitest.config.browser.js
@@ -1,5 +1,5 @@
 import { defineConfig, mergeConfig } from 'vitest/config'
-import viteConfig, { buildDir } from '../vite.config'
+import viteConfig, { buildDir } from '../vite.config.js'
 
 export default mergeConfig(viteConfig, defineConfig({
   test: {
diff --git a/strcalc/src/main/frontend/ci/vitest.config.js b/strcalc/src/main/frontend/ci/vitest.config.js
index 91ae21a..f8b69cf 100644
--- a/strcalc/src/main/frontend/ci/vitest.config.js
+++ b/strcalc/src/main/frontend/ci/vitest.config.js
@@ -1,5 +1,5 @@
 import { defineConfig, mergeConfig } from 'vitest/config'
-import viteConfig from '../vite.config'
+import viteConfig from '../vite.config.js'
 
 export default mergeConfig(viteConfig, defineConfig({
   test: {
diff --git a/strcalc/src/main/frontend/components/app.js b/strcalc/src/main/frontend/components/app.js
index 2bac7a3..bac49d6 100644
--- a/strcalc/src/main/frontend/components/app.js
+++ b/strcalc/src/main/frontend/components/app.js
@@ -21,7 +21,8 @@ export default class App {
    * demonstrate how to design much larger applications for testability.
    * @param {object} params - parameters made available to all initializers
    * @param {Element} params.appElem - parent Element containing all components
-   * @param {object} params.calculators - calculator implementations
+   * @param {import('./calculators.js').StrCalcDescriptors} params.calculators -
+   *   calculator implementations
    */
   init(params) {
     // In this example application, none of the components depend on one
diff --git a/strcalc/src/main/frontend/components/app.test.js b/strcalc/src/main/frontend/components/app.test.js
index a9d1cba..e6c4471 100644
--- a/strcalc/src/main/frontend/components/app.test.js
+++ b/strcalc/src/main/frontend/components/app.test.js
@@ -6,17 +6,23 @@
  */
 import App from './app.js'
 import { afterAll, afterEach, describe, expect, test } from 'vitest'
-import StringCalculatorPage from '../test/page'
+import StringCalculatorPage from '../test/page.js'
 
 // @vitest-environment jsdom
 describe('initial state after calling App.init()', () => {
-  const page = StringCalculatorPage.new()
+  /** @type {import('./calculators.js').StrCalcCallback} */
+  // eslint-disable-next-line no-unused-vars
+  const implStub = async _ => ({})
+
+  /** @type {import('./calculators.js').StrCalcDescriptors} */
   const calculators = {
-    'first': { label: 'First calculator', impl: null },
-    'second': { label: 'Second calculator', impl: null },
-    'third': { label: 'Third calculator', impl: null }
+    'first': { label: 'First calculator', impl: implStub },
+    'second': { label: 'Second calculator', impl: implStub },
+    'third': { label: 'Third calculator', impl: implStub }
   }
 
+  const page = StringCalculatorPage.new()
+
   afterEach(() => page.clear())
   afterAll(() => page.remove())
 
@@ -28,4 +34,3 @@ describe('initial state after calling App.init()', () => {
     expect(e.href).toContain('%22Hello,_World!%22')
   })
 })
-
diff --git a/strcalc/src/main/frontend/components/calculator.js b/strcalc/src/main/frontend/components/calculator.js
index 0f26f71..71314e2 100644
--- a/strcalc/src/main/frontend/components/calculator.js
+++ b/strcalc/src/main/frontend/components/calculator.js
@@ -11,29 +11,54 @@ export default class Calculator {
    * Initializes the Calculator within the document.
    * @param {object} params - parameters made available to all initializers
    * @param {Element} params.appElem - parent Element containing all components
-   * @param {object} params.calculators - calculator implementations
+   * @param {import('./calculators.js').StrCalcDescriptors} params.calculators -
+   *   calculator implementations
+   * @param {Function} [params.instantiate] - alternative template instantiation
+   *   function for testing
+   * @returns {void}
    */
-  init({ appElem, calculators }) {
+  init({ appElem, calculators, instantiate = Template }) {
     const calcOptions = Object.entries(calculators)
       .map(([k, v]) => ({ value: k, label: v.label }))
-    const t = Template({ calcOptions })
+    const t = instantiate({ calcOptions })
     const [ form, resultElem ] = t.children
 
     appElem.appendChild(t)
-    document.querySelector('#numbers').focus()
+
+    /** @type {(HTMLInputElement | null)} */
+    const numbers = document.querySelector('#numbers')
+    if (numbers === null) return console.error('missing numbers input')
+    numbers.focus()
+
     form.addEventListener(
-      'submit', e => Calculator.#submitRequest(e, resultElem, calculators)
+      'submit',
+      /** @param {Event} e - form submit event */
+      e => {Calculator.#submitRequest(e, resultElem, calculators)}
     )
   }
 
-  // https://simonplend.com/how-to-use-fetch-to-post-form-data-as-json-to-your-api/
+  /**
+   * @param {Event} event - form submit event
+   * @param {Element} resultElem - element into which to write the result
+   * @param {import('./calculators.js').StrCalcDescriptors} calculators -
+   *   calculator implementations
+   * @returns {Promise<void>}
+   * @see https://simonplend.com/how-to-use-fetch-to-post-form-data-as-json-to-your-api/
+   */
   static async #submitRequest(event, resultElem, calculators) {
     event.preventDefault()
 
-    const form = event.currentTarget
+    const form = /** @type {HTMLFormElement} */ (event.currentTarget)
     const data = new FormData(form)
-    const selected = form.querySelector('input[name="impl"]:checked').value
+
+    /** @type {(HTMLInputElement | null)} */
+    const implInput = form.querySelector('input[name="impl"]:checked')
+    if (implInput === null) return console.error('missing implementation input')
+    const selected = implInput.value
+
+    /** @type {(HTMLParagraphElement | null)} */
     const result = resultElem.querySelector('p')
+    if (result === null) return console.error('missing result element')
 
     // None of the backends need the 'impl' parameter, and the Java backend
     // will return a 500 if we send it.
@@ -43,7 +68,7 @@ export default class Calculator {
       const response = await calculators[selected].impl(data)
       result.textContent = `Result: ${response.result}`
     } catch (err) {
-      result.textContent = err
+      result.textContent = /** @type {any} */ (err)
     }
   }
 }
diff --git a/strcalc/src/main/frontend/components/calculator.test.js b/strcalc/src/main/frontend/components/calculator.test.js
index e2921bb..054b5df 100644
--- a/strcalc/src/main/frontend/components/calculator.test.js
+++ b/strcalc/src/main/frontend/components/calculator.test.js
@@ -5,9 +5,10 @@
  * file, You can obtain one at https://mozilla.org/MPL/2.0/.
  */
 
-import Calculator from './calculator'
+import Calculator from './calculator.js'
+import Template from './calculator.hbs'
 import { afterAll, afterEach, describe, expect, test, vi } from 'vitest'
-import StringCalculatorPage from '../test/page'
+import StringCalculatorPage from '../test/page.js'
 
 // @vitest-environment jsdom
 describe('Calculator', () => {
@@ -15,22 +16,45 @@ describe('Calculator', () => {
 
   const setup = () => {
     const postFormData = vi.fn()
+    /** @type {import('./calculators.js').StrCalcDescriptors} */
     const calculators = {
       'api': { label: 'API', impl: postFormData },
-      'browser': { label: 'Browser', impl: () => {} }
+      'browser': { label: 'Browser', impl: vi.fn() }
     }
 
     new Calculator().init({ appElem: page.appElem, calculators })
     return { page, postFormData }
   }
 
+  const setupConsoleErrorSpy = () => {
+    const consoleSpy = vi.spyOn(console, 'error')
+      .mockImplementationOnce(() => {})
+
+    return {
+      consoleSpy,
+      loggedError: () => {
+        const lastCall = consoleSpy.mock.lastCall
+        if (!lastCall) throw new Error('error not logged')
+        return lastCall
+      }
+    }
+  }
+
+  /**
+   * @param {string} numbersString - input to the StringCalculator
+   * @returns {FormData} - form data to submit to the implementation
+   */
   const expectedFormData = (numbersString) => {
     const data = new FormData()
     data.append('numbers', numbersString)
     return data
   }
 
-  afterEach(() => page.clear())
+  afterEach(() => {
+    vi.restoreAllMocks()
+    page.clear()
+  })
+
   afterAll(() => page.remove())
 
   test('renders form and result placeholder', async () => {
@@ -59,4 +83,51 @@ describe('Calculator', () => {
     await expect(result).resolves.toBe('Error: D\'oh!')
     expect(postFormData).toHaveBeenCalledWith(expectedFormData('2,2'))
   })
+
+  test('logs error if missing numbers input element', async () => {
+    const { loggedError } = setupConsoleErrorSpy()
+    /** @type {import('./calculators.js').StrCalcDescriptors} */
+    const calculators = {}
+    /**
+     * @param {any} context - init parameters for template
+     * @returns {DocumentFragment} - template elements without #numbers element
+     */
+    const BadTemplate = (context) => {
+      const t = Template({ context })
+      const [ form ] = t.children
+      const input = form.querySelector('#numbers')
+
+      if (input !== null) input.remove()
+      return t
+    }
+
+    new Calculator().init(
+      { appElem: page.appElem, calculators, instantiate: BadTemplate }
+    )
+
+    expect(await vi.waitFor(loggedError))
+      .toStrictEqual(['missing numbers input'])
+  })
+
+  test('logs error if missing implementation input element', async () => {
+    const { page } = setup()
+    const { loggedError } = setupConsoleErrorSpy()
+
+    page.impl().remove()
+    page.enterValueAndSubmit('2,2')
+
+    expect(await vi.waitFor(loggedError))
+      .toStrictEqual(['missing implementation input'])
+  })
+
+  test('logs error if missing result element', async () => {
+    const { page } = setup()
+    const { loggedError } = setupConsoleErrorSpy()
+
+    page.result().remove()
+    page.enterValueAndSubmit('2,2')
+
+    expect(await vi.waitFor(loggedError))
+      .toStrictEqual(['missing result element'])
+  })
 })
diff --git a/strcalc/src/main/frontend/components/calculators.js b/strcalc/src/main/frontend/components/calculators.js
index 6ab3691..77209c2 100644
--- a/strcalc/src/main/frontend/components/calculators.js
+++ b/strcalc/src/main/frontend/components/calculators.js
@@ -3,27 +3,58 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at https://mozilla.org/MPL/2.0/.
  */
+/* global STRCALC_BACKEND */
 
 import { postFormData } from './request.js'
 
 export const DEFAULT_ENDPOINT = './add'
 
-const backendUrl = () => globalThis.STRCALC_BACKEND ?
-  new URL(DEFAULT_ENDPOINT, globalThis.STRCALC_BACKEND).toString() :
+const backendUrl = () => STRCALC_BACKEND ?
+  new URL(DEFAULT_ENDPOINT, STRCALC_BACKEND).toString() :
   DEFAULT_ENDPOINT
 
-const backendCalculator = async (data)=> postFormData(backendUrl(), data)
+/**
+ * @typedef {object} StrCalcPayload
+ * @property {number} [result] - the result of the calculation
+ * @property {string} [error] - error message if the request failed
+ */
 
+/**
+ * Function that invokes a specific String Calculator implementation
+ * @callback StrCalcCallback
+ * @param {FormData} data - form data providing String Calculator input
+ * @returns {Promise<StrCalcPayload>} - the String Calculator result
+ */
+
+/**
+ * Posts the String Calculator input to the backend implementation
+ * @type {StrCalcCallback}
+ */
+const backendCalculator = async (data) => postFormData(backendUrl(), data)
+
+/**
+ * Returns an error as a placeholder for an in-browser StringCalculator
+ * @type {StrCalcCallback}
+ */
 const tempCalculator = async (data) => Promise.reject(new Error(
   `Temporary in-browser calculator received: "${data.get('numbers')}"`
 ))
 
+/**
+ * Describes a specific StringCalculator implementation
+ * @typedef {object} StrCalcDescriptor
+ * @property {string} label - descriptive name describing the implementation
+ * @property {StrCalcCallback} impl - callback invoking StringCalculator impl
+ */
+
 /**
  * Collection of production String Calculator implementations
  *
  * Each implementation takes a FormData instance containing only a
  * 'numbers' field as its single argument.
+ * @typedef {Object.<string, StrCalcDescriptor>} StrCalcDescriptors
  */
+/** @type {StrCalcDescriptors} */
 export default {
   'api': { label: 'Tomcat backend API (Java)', impl: backendCalculator },
   'browser': { label: 'In-browser (JavaScript)', impl: tempCalculator }
diff --git a/strcalc/src/main/frontend/components/calculators.test.js b/strcalc/src/main/frontend/components/calculators.test.js
index 86d29ea..336decf 100644
--- a/strcalc/src/main/frontend/components/calculators.test.js
+++ b/strcalc/src/main/frontend/components/calculators.test.js
@@ -5,12 +5,16 @@
  * file, You can obtain one at https://mozilla.org/MPL/2.0/.
  */
 
-import { default as calculators, DEFAULT_ENDPOINT } from './calculators'
+import { default as calculators, DEFAULT_ENDPOINT } from './calculators.js'
 import { afterEach, describe, expect, test, vi } from 'vitest'
-import setupFetchStub from '../test/fetch-stub'
-import { postOptions } from './request'
+import setupFetchStub from '../test/fetch-stub.js'
+import { postOptions } from './request.js'
 
 describe('calculators', () => {
+  /**
+   * @param {string} numbersStr - input to the String Calculator
+   * @returns {FormData} - form data to submit to the String Calculator
+   */
   const setupData = (numbersStr) => {
     const data = new FormData()
     data.append('numbers', numbersStr)
@@ -22,7 +26,7 @@ describe('calculators', () => {
   describe('defaultPost', () => {
     test('posts same server by default', async () => {
       const data = setupData('2,2')
-      const fetchStub = setupFetchStub(JSON.stringify({ result: 5 }))
+      const fetchStub = setupFetchStub({ result: 5 })
 
       await expect(calculators.api.impl(data)).resolves.toEqual({ result: 5 })
       expect(fetchStub).toHaveBeenCalledWith(
@@ -31,7 +35,7 @@ describe('calculators', () => {
 
     test('posts to globalThis.STRCALC_BACKEND', async () => {
       const data = setupData('2,2')
-      const fetchStub = setupFetchStub(JSON.stringify({ result: 5 }))
+      const fetchStub = setupFetchStub({ result: 5 })
       vi.stubGlobal('STRCALC_BACKEND', 'http://localhost:8080/strcalc/')
 
       await expect(calculators.api.impl(data)).resolves.toEqual({ result: 5 })
diff --git a/strcalc/src/main/frontend/components/helpers.js b/strcalc/src/main/frontend/components/helpers.js
index fb40541..b9d4205 100644
--- a/strcalc/src/main/frontend/components/helpers.js
+++ b/strcalc/src/main/frontend/components/helpers.js
@@ -21,7 +21,19 @@
  * @param {module} Handlebars The Handlebars runtime module
  */
 export default function(Handlebars) {
-  Handlebars.registerHelper('link', function(text, options) {
+  /**
+   * @typedef {object} LinkHelperOptions
+   * @property {Object.<string, string>} hash - hash arguments from the link tag
+   * @see https://handlebarsjs.com/guide/expressions.html#helpers
+   */
+
+  /**
+   * @param {string} text - the anchor text for the generated link
+   * @param {LinkHelperOptions} options - options including the href URL
+   * @returns {import("handlebars").SafeString} - properly escaped <a> element
+   *   text
+   */
+  const linkHelper = function(text, options) {
     const attrs = Object.keys(options.hash).map(key => {
       return `${Handlebars.escapeExpression(key)}=` +
         `"${Handlebars.escapeExpression(options.hash[key])}"`
@@ -29,5 +41,6 @@ export default function(Handlebars) {
     return new Handlebars.SafeString(
       `<a ${attrs.join(' ')}>${Handlebars.escapeExpression(text)}</a>`
     )
-  })
+  }
+  Handlebars.registerHelper('link', linkHelper)
 }
diff --git a/strcalc/src/main/frontend/components/request.test.js b/strcalc/src/main/frontend/components/request.test.js
index a5532fd..637b043 100644
--- a/strcalc/src/main/frontend/components/request.test.js
+++ b/strcalc/src/main/frontend/components/request.test.js
@@ -4,9 +4,9 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at https://mozilla.org/MPL/2.0/.
  */
-import { post, postFormData, postOptions } from './request'
+import { post, postFormData, postOptions } from './request.js'
 import { afterEach, describe, expect, test, vi } from 'vitest'
-import setupFetchStub from '../test/fetch-stub'
+import setupFetchStub from '../test/fetch-stub.js'
 
 // @vitest-environment jsdom
 describe('Request', () => {
@@ -17,7 +17,7 @@ describe('Request', () => {
   describe('post', () => {
     test('succeeds', async () => {
       const res = { foo: 'bar' }
-      const fetchStub = setupFetchStub(JSON.stringify(res))
+      const fetchStub = setupFetchStub(res)
 
       await expect(post('/fetch', req)).resolves.toEqual(res)
       expect(fetchStub).toHaveBeenCalledWith('/fetch', postOptions(req))
@@ -25,7 +25,7 @@ describe('Request', () => {
 
     test('rejects with an error if the response contains "error"', async () => {
       const res = { error: 'OK status, but still an error' }
-      setupFetchStub(JSON.stringify(res))
+      setupFetchStub(res)
 
       await expect(post('/fetch', req)).rejects.toThrow(res.error)
     })
@@ -49,7 +49,7 @@ describe('Request', () => {
     test('succeeds', async () => {
       const fd = new FormData()
       const res = { foo: 'bar' }
-      const fetchStub = setupFetchStub(JSON.stringify(res))
+      const fetchStub = setupFetchStub(res)
       Object.entries(req).forEach(([k,v]) => fd.append(k,v))
 
       await expect(postFormData('/fetch', fd)).resolves.toEqual(res)
diff --git a/strcalc/src/main/frontend/components/template.d.ts b/strcalc/src/main/frontend/components/template.d.ts
new file mode 100644
index 0000000..c9fef53
--- /dev/null
+++ b/strcalc/src/main/frontend/components/template.d.ts
@@ -0,0 +1,11 @@
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+
+declare module "*.hbs" {
+  export const RawTemplate: HandlebarsTemplateDelegate
+  export default function (context: any, options?: RuntimeOptions):
+    DocumentFragment
+}
diff --git a/strcalc/src/main/frontend/globals.d.ts b/strcalc/src/main/frontend/globals.d.ts
new file mode 100644
index 0000000..6bb4f70
--- /dev/null
+++ b/strcalc/src/main/frontend/globals.d.ts
@@ -0,0 +1,5 @@
+import 'globalThis'
+
+declare global {
+  var STRCALC_BACKEND: string
+}
diff --git a/strcalc/src/main/frontend/jsconfig.json b/strcalc/src/main/frontend/jsconfig.json
new file mode 100644
index 0000000..4754f2f
--- /dev/null
+++ b/strcalc/src/main/frontend/jsconfig.json
@@ -0,0 +1,12 @@
+{
+  "compilerOptions": {
+    "checkJs": true,
+    "module": "nodenext",
+    "strict": true
+  },
+  "exclude": [
+    "node_modules/**",
+    "coverage/**",
+    "jsdoc/**"
+  ]
+}
diff --git a/strcalc/src/main/frontend/jsdoc.json b/strcalc/src/main/frontend/jsdoc.json
index 5fa0a57..cc5248d 100644
--- a/strcalc/src/main/frontend/jsdoc.json
+++ b/strcalc/src/main/frontend/jsdoc.json
@@ -1,10 +1,16 @@
 {
-  "plugins": [ "plugins/markdown" ],
+  "plugins": [
+    "plugins/markdown",
+    "jsdoc-plugin-typescript"
+  ],
   "recurseDepth": 10,
   "source": {
     "includePattern": ".+\\.js$",
     "exclude": ["node_modules"]
   },
+  "typescript":{
+    "moduleRoot": "."
+  },
   "opts": {
     "destination": "../../../build/jsdoc",
     "recurse": true,
diff --git a/strcalc/src/main/frontend/main.js b/strcalc/src/main/frontend/main.js
index 39d9e5d..33c63a3 100644
--- a/strcalc/src/main/frontend/main.js
+++ b/strcalc/src/main/frontend/main.js
@@ -30,7 +30,9 @@ document.addEventListener(
   'DOMContentLoaded',
   () => {
     const appElem = document.querySelector('#app')
-    new App().init({ appElem, calculators })
+
+    if (appElem === null) console.error('missing #app element')
+    else new App().init({ appElem, calculators })
   },
   { once: true }
 )
diff --git a/strcalc/src/main/frontend/main.test.js b/strcalc/src/main/frontend/main.test.js
index f831d1e..9327a7b 100644
--- a/strcalc/src/main/frontend/main.test.js
+++ b/strcalc/src/main/frontend/main.test.js
@@ -9,15 +9,18 @@ import StringCalculatorPage from './test/page.js'
 import TestPageOpener from 'test-page-opener'
 
 describe('String Calculator UI on initial page load', () => {
+  /** @type {TestPageOpener} */
   let opener
 
-  beforeAll(async () => opener = await TestPageOpener.create('/strcalc/'))
+  beforeAll(async () => {opener = await TestPageOpener.create('/strcalc/')})
   afterEach(() => opener.closeAll())
 
   test('contains the "Hello, World!" placeholder', async () => {
     const { document } = await opener.open('index.html')
+    /** @type {(HTMLDivElement | null)} */
     const appElem = document.querySelector('#app')
 
+    if (appElem === null) return expect(appElem).not.toBeNull()
     const e = new StringCalculatorPage(appElem, document).title()
     expect(e.textContent).toContain('Hello, World!')
     expect(e.href).toContain('%22Hello,_World!%22')
diff --git a/strcalc/src/main/frontend/package.json b/strcalc/src/main/frontend/package.json
index 1566192..07dda34 100644
--- a/strcalc/src/main/frontend/package.json
+++ b/strcalc/src/main/frontend/package.json
@@ -27,27 +27,32 @@
     "test": "vitest",
     "test-run": "vitest run",
     "test-ui": "vitest --ui --coverage",
-    "test-ci": "eslint --color --max-warnings 0 . && vitest run --config ci/vitest.config.js && vitest run --config ci/vitest.config.browser.js",
+    "test-ci": "pnpm lint && pnpm jsdoc && pnpm typecheck && vitest run --config ci/vitest.config.js && vitest run --config ci/vitest.config.browser.js",
     "coverage": "vitest run --coverage",
-    "jsdoc": "jsdoc-cli-wrapper -c ./jsdoc.json ."
+    "jsdoc": "jsdoc-cli-wrapper -c ./jsdoc.json .",
+    "typecheck": "npx -p typescript tsc -p jsconfig.json --noEmit --pretty"
   },
   "devDependencies": {
     "@rollup/pluginutils": "^5.1.0",
     "@stylistic/eslint-plugin-js": "^1.5.3",
-    "@vitest/browser": "^1.1.3",
-    "@vitest/coverage-istanbul": "^1.1.3",
-    "@vitest/coverage-v8": "^1.1.3",
-    "@vitest/ui": "^1.1.3",
+    "@types/chai": "^4.3.11",
+    "@vitest/browser": "^1.2.0",
+    "@vitest/coverage-istanbul": "^1.2.0",
+    "@vitest/coverage-v8": "^1.2.0",
+    "@vitest/ui": "^1.2.0",
     "eslint": "^8.56.0",
     "eslint-plugin-jsdoc": "^46.10.1",
     "eslint-plugin-vitest": "^0.3.20",
     "handlebars": "^4.7.8",
-    "jsdoc-cli-wrapper": "^1.0.4",
-    "jsdom": "^23.1.0",
+    "jsdoc": "^4.0.2",
+    "jsdoc-cli-wrapper": "^1.0.5",
+    "jsdoc-plugin-typescript": "^2.2.1",
+    "jsdom": "^23.2.0",
     "rollup-plugin-handlebars-precompiler": "^1.0.0",
-    "test-page-opener": "^1.0.3",
+    "test-page-opener": "^1.0.5",
+    "typescript": "^5.3.3",
     "vite": "^5.0.11",
-    "vitest": "^1.1.3",
-    "webdriverio": "^8.27.0"
+    "vitest": "^1.2.0",
+    "webdriverio": "^8.27.2"
   }
 }
diff --git a/strcalc/src/main/frontend/pnpm-lock.yaml b/strcalc/src/main/frontend/pnpm-lock.yaml
index 2bebf9e..dffff36 100644
--- a/strcalc/src/main/frontend/pnpm-lock.yaml
+++ b/strcalc/src/main/frontend/pnpm-lock.yaml
@@ -11,18 +11,21 @@ devDependencies:
   '@stylistic/eslint-plugin-js':
     specifier: ^1.5.3
     version: 1.5.3(eslint@8.56.0)
+  '@types/chai':
+    specifier: ^4.3.11
+    version: 4.3.11
   '@vitest/browser':
-    specifier: ^1.1.3
-    version: 1.1.3(vitest@1.1.3)(webdriverio@8.27.0)
+    specifier: ^1.2.0
+    version: 1.2.0(vitest@1.2.0)(webdriverio@8.27.2)
   '@vitest/coverage-istanbul':
-    specifier: ^1.1.3
-    version: 1.1.3(vitest@1.1.3)
+    specifier: ^1.2.0
+    version: 1.2.0(vitest@1.2.0)
   '@vitest/coverage-v8':
-    specifier: ^1.1.3
-    version: 1.1.3(vitest@1.1.3)
+    specifier: ^1.2.0
+    version: 1.2.0(vitest@1.2.0)
   '@vitest/ui':
-    specifier: ^1.1.3
-    version: 1.1.3(vitest@1.1.3)
+    specifier: ^1.2.0
+    version: 1.2.0(vitest@1.2.0)
   eslint:
     specifier: ^8.56.0
     version: 8.56.0
@@ -31,31 +34,40 @@ devDependencies:
     version: 46.10.1(eslint@8.56.0)
   eslint-plugin-vitest:
     specifier: ^0.3.20
-    version: 0.3.20(eslint@8.56.0)(typescript@5.3.3)(vitest@1.1.3)
+    version: 0.3.20(eslint@8.56.0)(typescript@5.3.3)(vitest@1.2.0)
   handlebars:
     specifier: ^4.7.8
     version: 4.7.8
+  jsdoc:
+    specifier: ^4.0.2
+    version: 4.0.2
   jsdoc-cli-wrapper:
-    specifier: ^1.0.4
-    version: 1.0.4
+    specifier: ^1.0.5
+    version: 1.0.5
+  jsdoc-plugin-typescript:
+    specifier: ^2.2.1
+    version: 2.2.1
   jsdom:
-    specifier: ^23.1.0
-    version: 23.1.0
+    specifier: ^23.2.0
+    version: 23.2.0
   rollup-plugin-handlebars-precompiler:
     specifier: ^1.0.0
     version: 1.0.0
   test-page-opener:
-    specifier: ^1.0.3
-    version: 1.0.3
+    specifier: ^1.0.5
+    version: 1.0.5
+  typescript:
+    specifier: ^5.3.3
+    version: 5.3.3
   vite:
     specifier: ^5.0.11
     version: 5.0.11
   vitest:
-    specifier: ^1.1.3
-    version: 1.1.3(@vitest/browser@1.1.3)(@vitest/ui@1.1.3)(jsdom@23.1.0)
+    specifier: ^1.2.0
+    version: 1.2.0(@vitest/browser@1.2.0)(@vitest/ui@1.2.0)(jsdom@23.2.0)
   webdriverio:
-    specifier: ^8.27.0
-    version: 8.27.0(typescript@5.3.3)
+    specifier: ^8.27.2
+    version: 8.27.2(typescript@5.3.3)
 
 packages:
 
@@ -69,7 +81,15 @@ packages:
     engines: {node: '>=6.0.0'}
     dependencies:
       '@jridgewell/gen-mapping': 0.3.3
-      '@jridgewell/trace-mapping': 0.3.20
+      '@jridgewell/trace-mapping': 0.3.21
+    dev: true
+
+  /@asamuzakjp/dom-selector@2.0.2:
+    resolution: {integrity: sha512-x1KXOatwofR6ZAYzXRBL5wrdV0vwNxlTCK9NCuLqAzQYARqGcvFwiJA6A1ERuh+dgeA4Dxm3JBYictIes+SqUQ==}
+    dependencies:
+      bidi-js: 1.0.3
+      css-tree: 2.3.1
+      is-potential-custom-element-name: 1.0.1
     dev: true
 
   /@babel/code-frame@7.23.5:
@@ -94,7 +114,7 @@ packages:
       '@babel/generator': 7.23.6
       '@babel/helper-compilation-targets': 7.23.6
       '@babel/helper-module-transforms': 7.23.3(@babel/core@7.23.7)
-      '@babel/helpers': 7.23.7
+      '@babel/helpers': 7.23.8
       '@babel/parser': 7.23.6
       '@babel/template': 7.22.15
       '@babel/traverse': 7.23.7
@@ -114,7 +134,7 @@ packages:
     dependencies:
       '@babel/types': 7.23.6
       '@jridgewell/gen-mapping': 0.3.3
-      '@jridgewell/trace-mapping': 0.3.20
+      '@jridgewell/trace-mapping': 0.3.21
       jsesc: 2.5.2
     dev: true
 
@@ -199,8 +219,8 @@ packages:
     engines: {node: '>=6.9.0'}
     dev: true
 
-  /@babel/helpers@7.23.7:
-    resolution: {integrity: sha512-6AMnjCoC8wjqBzDHkuqpa7jAKwvMo4dC+lr/TFBz+ucfulO1XMpDnwWPGBNwClOKZ8h6xn5N81W/R5OrcKtCbQ==}
+  /@babel/helpers@7.23.8:
+    resolution: {integrity: sha512-KDqYz4PiOWvDFrdHLPhKtCThtIcKVy6avWD2oG4GEvyQ+XDZwHD4YQd+H2vNMnq2rkdxsDkU82T+Vk8U/WXHRQ==}
     engines: {node: '>=6.9.0'}
     dependencies:
       '@babel/template': 7.22.15
@@ -520,11 +540,11 @@ packages:
     engines: {node: ^12.22.0 || ^14.17.0 || >=16.0.0}
     dev: true
 
-  /@humanwhocodes/config-array@0.11.13:
-    resolution: {integrity: sha512-JSBDMiDKSzQVngfRjOdFXgFfklaXI4K9nLF49Auh21lmBWRLIK3+xTErTWD4KU54pb6coM6ESE7Awz/FNU3zgQ==}
+  /@humanwhocodes/config-array@0.11.14:
+    resolution: {integrity: sha512-3T8LkOmg45BV5FICb15QQMsyUSWrQ8AygVfC7ZG32zOalnqrilm018ZVCw0eapXux8FtA33q8PSRSstjee3jSg==}
     engines: {node: '>=10.10.0'}
     dependencies:
-      '@humanwhocodes/object-schema': 2.0.1
+      '@humanwhocodes/object-schema': 2.0.2
       debug: 4.3.4
       minimatch: 3.1.2
     transitivePeerDependencies:
@@ -536,8 +556,8 @@ packages:
     engines: {node: '>=12.22'}
     dev: true
 
-  /@humanwhocodes/object-schema@2.0.1:
-    resolution: {integrity: sha512-dvuCeX5fC9dXgJn9t+X5atfmgQAzUOWqS1254Gh0m6i8wKd10ebXkfNKiRK+1GWi/yTvvLDHpoxLr0xxxeslWw==}
+  /@humanwhocodes/object-schema@2.0.2:
+    resolution: {integrity: sha512-6EwiSjwWYP7pTckG6I5eyFANjPhmPjUX9JRLUSfNPC7FX7zK9gyZAfUEaECL6ALTpGX5AjnBq3C9XmVWPitNpw==}
     dev: true
 
   /@isaacs/cliui@8.0.2:
@@ -570,7 +590,7 @@ packages:
     dependencies:
       '@jridgewell/set-array': 1.1.2
       '@jridgewell/sourcemap-codec': 1.4.15
-      '@jridgewell/trace-mapping': 0.3.20
+      '@jridgewell/trace-mapping': 0.3.21
     dev: true
 
   /@jridgewell/resolve-uri@3.1.1:
@@ -587,13 +607,20 @@ packages:
     resolution: {integrity: sha512-eF2rxCRulEKXHTRiDrDy6erMYWqNw4LPdQ8UQA4huuxaQsVeRPFl2oM8oDGxMFhJUWZf9McpLtJasDDZb/Bpeg==}
     dev: true
 
-  /@jridgewell/trace-mapping@0.3.20:
-    resolution: {integrity: sha512-R8LcPeWZol2zR8mmH3JeKQ6QRCFb7XgUhV9ZlGhHLGyg4wpPiPZNQOOWhFZhxKw8u//yTbNGI42Bx/3paXEQ+Q==}
+  /@jridgewell/trace-mapping@0.3.21:
+    resolution: {integrity: sha512-SRfKmRe1KvYnxjEMtxEr+J4HIeMX5YBg/qhRHpxEIGjhX1rshcHlnFUE9K0GazhVKWM7B+nARSkV8LuvJdJ5/g==}
     dependencies:
       '@jridgewell/resolve-uri': 3.1.1
       '@jridgewell/sourcemap-codec': 1.4.15
     dev: true
 
+  /@jsdoc/salty@0.2.7:
+    resolution: {integrity: sha512-mh8LbS9d4Jq84KLw8pzho7XC2q2/IJGiJss3xwRoLD1A+EE16SjN4PfaG4jRCzKegTFLlN0Zd8SdUPE6XdoPFg==}
+    engines: {node: '>=v12.0.0'}
+    dependencies:
+      lodash: 4.17.21
+    dev: true
+
   /@nodelib/fs.scandir@2.1.5:
     resolution: {integrity: sha512-vq24Bq3ym5HEQm2NKCr3yXDwjc7vTsEThRDnkp2DK9p1uqLR+DHurm/NOTo0KG7HYHU7eppKZj3MyqYuMBf62g==}
     engines: {node: '>= 8'}
@@ -678,104 +705,104 @@ packages:
       picomatch: 2.3.1
     dev: true
 
-  /@rollup/rollup-android-arm-eabi@4.9.3:
-    resolution: {integrity: sha512-nvh9bB41vXEoKKvlWCGptpGt8EhrEwPQFDCY0VAto+R+qpSbaErPS3OjMZuXR8i/2UVw952Dtlnl2JFxH31Qvg==}
+  /@rollup/rollup-android-arm-eabi@4.9.5:
+    resolution: {integrity: sha512-idWaG8xeSRCfRq9KpRysDHJ/rEHBEXcHuJ82XY0yYFIWnLMjZv9vF/7DOq8djQ2n3Lk6+3qfSH8AqlmHlmi1MA==}
     cpu: [arm]
     os: [android]
     requiresBuild: true
     dev: true
     optional: true
 
-  /@rollup/rollup-android-arm64@4.9.3:
-    resolution: {integrity: sha512-kffYCJ2RhDL1DlshLzYPyJtVeusHlA8Q1j6k6s4AEVKLq/3HfGa2ADDycLsmPo3OW83r4XtOPqRMbcFzFsEIzQ==}
+  /@rollup/rollup-android-arm64@4.9.5:
+    resolution: {integrity: sha512-f14d7uhAMtsCGjAYwZGv6TwuS3IFaM4ZnGMUn3aCBgkcHAYErhV1Ad97WzBvS2o0aaDv4mVz+syiN0ElMyfBPg==}
     cpu: [arm64]
     os: [android]
     requiresBuild: true
     dev: true
     optional: true
 
-  /@rollup/rollup-darwin-arm64@4.9.3:
-    resolution: {integrity: sha512-Fo7DR6Q9/+ztTyMBZ79+WJtb8RWZonyCgkBCjV51rW5K/dizBzImTW6HLC0pzmHaAevwM0jW1GtB5LCFE81mSw==}
+  /@rollup/rollup-darwin-arm64@4.9.5:
+    resolution: {integrity: sha512-ndoXeLx455FffL68OIUrVr89Xu1WLzAG4n65R8roDlCoYiQcGGg6MALvs2Ap9zs7AHg8mpHtMpwC8jBBjZrT/w==}
     cpu: [arm64]
     os: [darwin]
     requiresBuild: true
     dev: true
     optional: true
 
-  /@rollup/rollup-darwin-x64@4.9.3:
-    resolution: {integrity: sha512-5HcxDF9fqHucIlTiw/gmMb3Qv23L8bLCg904I74Q2lpl4j/20z9ogaD3tWkeguRuz+/17cuS321PT3PAuyjQdg==}
+  /@rollup/rollup-darwin-x64@4.9.5:
+    resolution: {integrity: sha512-UmElV1OY2m/1KEEqTlIjieKfVwRg0Zwg4PLgNf0s3glAHXBN99KLpw5A5lrSYCa1Kp63czTpVll2MAqbZYIHoA==}
     cpu: [x64]
     os: [darwin]
     requiresBuild: true
     dev: true
     optional: true
 
-  /@rollup/rollup-linux-arm-gnueabihf@4.9.3:
-    resolution: {integrity: sha512-cO6hKV+99D1V7uNJQn1chWaF9EGp7qV2N8sGH99q9Y62bsbN6Il55EwJppEWT+JiqDRg396vWCgwdHwje8itBQ==}
+  /@rollup/rollup-linux-arm-gnueabihf@4.9.5:
+    resolution: {integrity: sha512-Q0LcU61v92tQB6ae+udZvOyZ0wfpGojtAKrrpAaIqmJ7+psq4cMIhT/9lfV6UQIpeItnq/2QDROhNLo00lOD1g==}
     cpu: [arm]
     os: [linux]
     requiresBuild: true
     dev: true
     optional: true
 
-  /@rollup/rollup-linux-arm64-gnu@4.9.3:
-    resolution: {integrity: sha512-xANyq6lVg6KMO8UUs0LjA4q7di3tPpDbzLPgVEU2/F1ngIZ54eli8Zdt3uUUTMXVbgTCafIO+JPeGMhu097i3w==}
+  /@rollup/rollup-linux-arm64-gnu@4.9.5:
+    resolution: {integrity: sha512-dkRscpM+RrR2Ee3eOQmRWFjmV/payHEOrjyq1VZegRUa5OrZJ2MAxBNs05bZuY0YCtpqETDy1Ix4i/hRqX98cA==}
     cpu: [arm64]
     os: [linux]
     requiresBuild: true
     dev: true
     optional: true
 
-  /@rollup/rollup-linux-arm64-musl@4.9.3:
-    resolution: {integrity: sha512-TZJUfRTugVFATQToCMD8DNV6jv/KpSwhE1lLq5kXiQbBX3Pqw6dRKtzNkh5wcp0n09reBBq/7CGDERRw9KmE+g==}
+  /@rollup/rollup-linux-arm64-musl@4.9.5:
+    resolution: {integrity: sha512-QaKFVOzzST2xzY4MAmiDmURagWLFh+zZtttuEnuNn19AiZ0T3fhPyjPPGwLNdiDT82ZE91hnfJsUiDwF9DClIQ==}
     cpu: [arm64]
     os: [linux]
     requiresBuild: true
     dev: true
     optional: true
 
-  /@rollup/rollup-linux-riscv64-gnu@4.9.3:
-    resolution: {integrity: sha512-4/QVaRyaB5tkEAGfjVvWrmWdPF6F2NoaoO5uEP7N0AyeBw7l8SeCWWKAGrbx/00PUdHrJVURJiYikazslSKttQ==}
+  /@rollup/rollup-linux-riscv64-gnu@4.9.5:
+    resolution: {integrity: sha512-HeGqmRJuyVg6/X6MpE2ur7GbymBPS8Np0S/vQFHDmocfORT+Zt76qu+69NUoxXzGqVP1pzaY6QIi0FJWLC3OPA==}
     cpu: [riscv64]
     os: [linux]
     requiresBuild: true
     dev: true
     optional: true
 
-  /@rollup/rollup-linux-x64-gnu@4.9.3:
-    resolution: {integrity: sha512-koLC6D3pj1YLZSkTy/jsk3HOadp7q2h6VQl/lPX854twOmmLNekHB6yuS+MkWcKdGGdW1JPuPBv/ZYhr5Yhtdg==}
+  /@rollup/rollup-linux-x64-gnu@4.9.5:
+    resolution: {integrity: sha512-Dq1bqBdLaZ1Gb/l2e5/+o3B18+8TI9ANlA1SkejZqDgdU/jK/ThYaMPMJpVMMXy2uRHvGKbkz9vheVGdq3cJfA==}
     cpu: [x64]
     os: [linux]
     requiresBuild: true
     dev: true
     optional: true
 
-  /@rollup/rollup-linux-x64-musl@4.9.3:
-    resolution: {integrity: sha512-0OAkQ4HBp+JO2ip2Lgt/ShlrveOMzyhwt2D0KvqH28jFPqfZco28KSq76zymZwmU+F6GRojdxtQMJiNSXKNzeA==}
+  /@rollup/rollup-linux-x64-musl@4.9.5:
+    resolution: {integrity: sha512-ezyFUOwldYpj7AbkwyW9AJ203peub81CaAIVvckdkyH8EvhEIoKzaMFJj0G4qYJ5sw3BpqhFrsCc30t54HV8vg==}
     cpu: [x64]
     os: [linux]
     requiresBuild: true
     dev: true
     optional: true
 
-  /@rollup/rollup-win32-arm64-msvc@4.9.3:
-    resolution: {integrity: sha512-z5uvoMvdRWggigOnsb9OOCLERHV0ykRZoRB5O+URPZC9zM3pkoMg5fN4NKu2oHqgkzZtfx9u4njqqlYEzM1v9A==}
+  /@rollup/rollup-win32-arm64-msvc@4.9.5:
+    resolution: {integrity: sha512-aHSsMnUw+0UETB0Hlv7B/ZHOGY5bQdwMKJSzGfDfvyhnpmVxLMGnQPGNE9wgqkLUs3+gbG1Qx02S2LLfJ5GaRQ==}
     cpu: [arm64]
     os: [win32]
     requiresBuild: true
     dev: true
     optional: true
 
-  /@rollup/rollup-win32-ia32-msvc@4.9.3:
-    resolution: {integrity: sha512-wxomCHjBVKws+O4N1WLnniKCXu7vkLtdq9Fl9CN/EbwEldojvUrkoHE/fBLZzC7IT/x12Ut6d6cRs4dFvqJkMg==}
+  /@rollup/rollup-win32-ia32-msvc@4.9.5:
+    resolution: {integrity: sha512-AiqiLkb9KSf7Lj/o1U3SEP9Zn+5NuVKgFdRIZkvd4N0+bYrTOovVd0+LmYCPQGbocT4kvFyK+LXCDiXPBF3fyA==}
     cpu: [ia32]
     os: [win32]
     requiresBuild: true
     dev: true
     optional: true
 
-  /@rollup/rollup-win32-x64-msvc@4.9.3:
-    resolution: {integrity: sha512-1Qf/qk/iEtx0aOi+AQQt5PBoW0mFngsm7bPuxHClC/hWh2hHBktR6ktSfUg5b5rC9v8hTwNmHE7lBWXkgqluUQ==}
+  /@rollup/rollup-win32-x64-msvc@4.9.5:
+    resolution: {integrity: sha512-1q+mykKE3Vot1kaFJIDoUFv5TuW+QQVaf2FmTT9krg86pQrGStOSJJ0Zil7CFagyxDuouTepzt5Y5TVzyajOdQ==}
     cpu: [x64]
     os: [win32]
     requiresBuild: true
@@ -815,6 +842,10 @@ packages:
     resolution: {integrity: sha512-C5Mc6rdnsaJDjO3UpGW/CQTHtCKaYlScZTly4JIu97Jxo/odCiH0ITnDXSJPTOrEKk/ycSZ0AOgTmkDtkOsvIA==}
     dev: true
 
+  /@types/chai@4.3.11:
+    resolution: {integrity: sha512-qQR1dr2rGIHYlJulmr8Ioq3De0Le9E4MJ5AiaeAETJJpndT1uUNHsGFK3L/UIu+rbkQSdj8J/w2bCsBZc/Y5fQ==}
+    dev: true
+
   /@types/estree@1.0.5:
     resolution: {integrity: sha512-/kYRxGDLWzHOB7q+wtSUQlFrtcdUccpfy+X+9iMBpHK8QLLhx2wIPYuS5DYtR9Wa/YlZAbIovy7qVdB1Aq6Lyw==}
     dev: true
@@ -831,8 +862,23 @@ packages:
     resolution: {integrity: sha512-5+fP8P8MFNC+AyZCDxrB2pkZFPGzqQWUzpSeuuVLvm8VMcorNYavBqoFcxK8bQz4Qsbn4oUEEem4wDLfcysGHA==}
     dev: true
 
-  /@types/node@20.10.6:
-    resolution: {integrity: sha512-Vac8H+NlRNNlAmDfGUP7b5h/KA+AtWIzuXy0E6OyP8f1tCLYAtPvKRRDJjAPqhpCb0t6U2j7/xqAuLEebW2kiw==}
+  /@types/linkify-it@3.0.5:
+    resolution: {integrity: sha512-yg6E+u0/+Zjva+buc3EIb+29XEg4wltq7cSmd4Uc2EE/1nUVmxyzpX6gUXD0V8jIrG0r7YeOGVIbYRkxeooCtw==}
+    dev: true
+
+  /@types/markdown-it@12.2.3:
+    resolution: {integrity: sha512-GKMHFfv3458yYy+v/N8gjufHO6MSZKCOXpZc5GXIWWy8uldwfmPn98vp81gZ5f9SVw8YYBctgfJ22a2d7AOMeQ==}
+    dependencies:
+      '@types/linkify-it': 3.0.5
+      '@types/mdurl': 1.0.5
+    dev: true
+
+  /@types/mdurl@1.0.5:
+    resolution: {integrity: sha512-6L6VymKTzYSrEf4Nev4Xa1LCHKrlTlYCBMTlQKFuddo1CvQcE52I0mwfOJayueUC7MJuXOeHTcIU683lzd0cUA==}
+    dev: true
+
+  /@types/node@20.11.0:
+    resolution: {integrity: sha512-o9bjXmDNcF7GbM4CNQpmi+TutCgap/K3w1JyKgxAjqx41zp9qlIAVFi0IhCNsJcXolEqLWhbFbEeL0PvYm4pcQ==}
     dependencies:
       undici-types: 5.26.5
     dev: true
@@ -848,32 +894,32 @@ packages:
   /@types/ws@8.5.10:
     resolution: {integrity: sha512-vmQSUcfalpIq0R9q7uTo2lXs6eGIpt9wtnLdMv9LVpIjCA/+ufZRozlVoVelIYixx1ugCBKDhn89vnsEGOCx9A==}
     dependencies:
-      '@types/node': 20.10.6
+      '@types/node': 20.11.0
     dev: true
 
   /@types/yauzl@2.10.3:
     resolution: {integrity: sha512-oJoftv0LSuaDZE3Le4DbKX+KS9G36NzOeSap90UIK0yMA/NhKJhqlSGtNDORNRaIbQfzjXDrQa0ytJ6mNRGz/Q==}
     requiresBuild: true
     dependencies:
-      '@types/node': 20.10.6
+      '@types/node': 20.11.0
     dev: true
     optional: true
 
-  /@typescript-eslint/scope-manager@6.17.0:
-    resolution: {integrity: sha512-RX7a8lwgOi7am0k17NUO0+ZmMOX4PpjLtLRgLmT1d3lBYdWH4ssBUbwdmc5pdRX8rXon8v9x8vaoOSpkHfcXGA==}
+  /@typescript-eslint/scope-manager@6.18.1:
+    resolution: {integrity: sha512-BgdBwXPFmZzaZUuw6wKiHKIovms97a7eTImjkXCZE04TGHysG+0hDQPmygyvgtkoB/aOQwSM/nWv3LzrOIQOBw==}
     engines: {node: ^16.0.0 || >=18.0.0}
     dependencies:
-      '@typescript-eslint/types': 6.17.0
-      '@typescript-eslint/visitor-keys': 6.17.0
+      '@typescript-eslint/types': 6.18.1
+      '@typescript-eslint/visitor-keys': 6.18.1
     dev: true
 
-  /@typescript-eslint/types@6.17.0:
-    resolution: {integrity: sha512-qRKs9tvc3a4RBcL/9PXtKSehI/q8wuU9xYJxe97WFxnzH8NWWtcW3ffNS+EWg8uPvIerhjsEZ+rHtDqOCiH57A==}
+  /@typescript-eslint/types@6.18.1:
+    resolution: {integrity: sha512-4TuMAe+tc5oA7wwfqMtB0Y5OrREPF1GeJBAjqwgZh1lEMH5PJQgWgHGfYufVB51LtjD+peZylmeyxUXPfENLCw==}
     engines: {node: ^16.0.0 || >=18.0.0}
     dev: true
 
-  /@typescript-eslint/typescript-estree@6.17.0(typescript@5.3.3):
-    resolution: {integrity: sha512-gVQe+SLdNPfjlJn5VNGhlOhrXz4cajwFd5kAgWtZ9dCZf4XJf8xmgCTLIqec7aha3JwgLI2CK6GY1043FRxZwg==}
+  /@typescript-eslint/typescript-estree@6.18.1(typescript@5.3.3):
+    resolution: {integrity: sha512-fv9B94UAhywPRhUeeV/v+3SBDvcPiLxRZJw/xZeeGgRLQZ6rLMG+8krrJUyIf6s1ecWTzlsbp0rlw7n9sjufHA==}
     engines: {node: ^16.0.0 || >=18.0.0}
     peerDependencies:
       typescript: '*'
@@ -881,8 +927,8 @@ packages:
       typescript:
         optional: true
     dependencies:
-      '@typescript-eslint/types': 6.17.0
-      '@typescript-eslint/visitor-keys': 6.17.0
+      '@typescript-eslint/types': 6.18.1
+      '@typescript-eslint/visitor-keys': 6.18.1
       debug: 4.3.4
       globby: 11.1.0
       is-glob: 4.0.3
@@ -894,8 +940,8 @@ packages:
       - supports-color
     dev: true
 
-  /@typescript-eslint/utils@6.17.0(eslint@8.56.0)(typescript@5.3.3):
-    resolution: {integrity: sha512-LofsSPjN/ITNkzV47hxas2JCsNCEnGhVvocfyOcLzT9c/tSZE7SfhS/iWtzP1lKNOEfLhRTZz6xqI8N2RzweSQ==}
+  /@typescript-eslint/utils@6.18.1(eslint@8.56.0)(typescript@5.3.3):
+    resolution: {integrity: sha512-zZmTuVZvD1wpoceHvoQpOiewmWu3uP9FuTWo8vqpy2ffsmfCE8mklRPi+vmnIYAIk9t/4kOThri2QCDgor+OpQ==}
     engines: {node: ^16.0.0 || >=18.0.0}
     peerDependencies:
       eslint: ^7.0.0 || ^8.0.0
@@ -903,9 +949,9 @@ packages:
       '@eslint-community/eslint-utils': 4.4.0(eslint@8.56.0)
       '@types/json-schema': 7.0.15
       '@types/semver': 7.5.6
-      '@typescript-eslint/scope-manager': 6.17.0
-      '@typescript-eslint/types': 6.17.0
-      '@typescript-eslint/typescript-estree': 6.17.0(typescript@5.3.3)
+      '@typescript-eslint/scope-manager': 6.18.1
+      '@typescript-eslint/types': 6.18.1
+      '@typescript-eslint/typescript-estree': 6.18.1(typescript@5.3.3)
       eslint: 8.56.0
       semver: 7.5.4
     transitivePeerDependencies:
@@ -913,11 +959,11 @@ packages:
       - typescript
     dev: true
 
-  /@typescript-eslint/visitor-keys@6.17.0:
-    resolution: {integrity: sha512-H6VwB/k3IuIeQOyYczyyKN8wH6ed8EwliaYHLxOIhyF0dYEIsN8+Bk3GE19qafeMKyZJJHP8+O1HiFhFLUNKSg==}
+  /@typescript-eslint/visitor-keys@6.18.1:
+    resolution: {integrity: sha512-/kvt0C5lRqGoCfsbmm7/CwMqoSkY3zzHLIjdhHZQW3VFrnz7ATecOHR7nb7V+xn4286MBxfnQfQhAmCI0u+bJA==}
     engines: {node: ^16.0.0 || >=18.0.0}
     dependencies:
-      '@typescript-eslint/types': 6.17.0
+      '@typescript-eslint/types': 6.18.1
       eslint-visitor-keys: 3.4.3
     dev: true
 
@@ -925,8 +971,8 @@ packages:
     resolution: {integrity: sha512-zuVdFrMJiuCDQUMCzQaD6KL28MjnqqN8XnAqiEq9PNm/hCPTSGfrXCOfwj1ow4LFb/tNymJPwsNbVePc1xFqrQ==}
     dev: true
 
-  /@vitest/browser@1.1.3(vitest@1.1.3)(webdriverio@8.27.0):
-    resolution: {integrity: sha512-ksI0V8YqonFYfjVYMPTvDR84i7ix7QPL2Sc8G2mHirVGAf4jJS3uC/CsifRLe5/E2r8QUhHbAdZQpvMCqBJV5w==}
+  /@vitest/browser@1.2.0(vitest@1.2.0)(webdriverio@8.27.2):
+    resolution: {integrity: sha512-egA2juStgiDDiHSjw5dloOj9pG+Au1azleKBxEs8E8dafkfQbr5FxswhsAryXdT29kb8EU479wET0KQz3NUSsQ==}
     peerDependencies:
       playwright: '*'
       safaridriver: '*'
@@ -940,15 +986,15 @@ packages:
       webdriverio:
         optional: true
     dependencies:
-      '@vitest/utils': 1.1.3
+      '@vitest/utils': 1.2.0
       magic-string: 0.30.5
       sirv: 2.0.4
-      vitest: 1.1.3(@vitest/browser@1.1.3)(@vitest/ui@1.1.3)(jsdom@23.1.0)
-      webdriverio: 8.27.0(typescript@5.3.3)
+      vitest: 1.2.0(@vitest/browser@1.2.0)(@vitest/ui@1.2.0)(jsdom@23.2.0)
+      webdriverio: 8.27.2(typescript@5.3.3)
     dev: true
 
-  /@vitest/coverage-istanbul@1.1.3(vitest@1.1.3):
-    resolution: {integrity: sha512-pqx/RaLjJ7oxsbi0Vc/CjyXBXd86yQ0lKq1PPnk9BMNLqMTEWwfcTelcNrl41yK+IVRhHlFtwcjDva3VslbMMQ==}
+  /@vitest/coverage-istanbul@1.2.0(vitest@1.2.0):
+    resolution: {integrity: sha512-hNN/pUR5la6P/L78+YcRl05Lpf6APXlH9ujkmCxxjVWtVG6WuKuqUMhHgYQBYfiOORBwDZ1MBgSUGCMPh4kpmQ==}
     peerDependencies:
       vitest: ^1.0.0
     dependencies:
@@ -961,13 +1007,13 @@ packages:
       magicast: 0.3.2
       picocolors: 1.0.0
       test-exclude: 6.0.0
-      vitest: 1.1.3(@vitest/browser@1.1.3)(@vitest/ui@1.1.3)(jsdom@23.1.0)
+      vitest: 1.2.0(@vitest/browser@1.2.0)(@vitest/ui@1.2.0)(jsdom@23.2.0)
     transitivePeerDependencies:
       - supports-color
     dev: true
 
-  /@vitest/coverage-v8@1.1.3(vitest@1.1.3):
-    resolution: {integrity: sha512-Uput7t3eIcbSTOTQBzGtS+0kah96bX+szW9qQrLeGe3UmgL2Akn8POnyC2lH7XsnREZOds9aCUTxgXf+4HX5RA==}
+  /@vitest/coverage-v8@1.2.0(vitest@1.2.0):
+    resolution: {integrity: sha512-YvX8ULTUm1+zkvkl14IqXYGxE1h13OXKPoDsxazARKlp4YLrP28hHEBdplaU7ZTN/Yn6zy6Z3JadWNRJwcmyrQ==}
     peerDependencies:
       vitest: ^1.0.0
     dependencies:
@@ -984,58 +1030,58 @@ packages:
       std-env: 3.7.0
       test-exclude: 6.0.0
       v8-to-istanbul: 9.2.0
-      vitest: 1.1.3(@vitest/browser@1.1.3)(@vitest/ui@1.1.3)(jsdom@23.1.0)
+      vitest: 1.2.0(@vitest/browser@1.2.0)(@vitest/ui@1.2.0)(jsdom@23.2.0)
     transitivePeerDependencies:
       - supports-color
     dev: true
 
-  /@vitest/expect@1.1.3:
-    resolution: {integrity: sha512-MnJqsKc1Ko04lksF9XoRJza0bGGwTtqfbyrsYv5on4rcEkdo+QgUdITenBQBUltKzdxW7K3rWh+nXRULwsdaVg==}
+  /@vitest/expect@1.2.0:
+    resolution: {integrity: sha512-H+2bHzhyvgp32o7Pgj2h9RTHN0pgYaoi26Oo3mE+dCi1PAqV31kIIVfTbqMO3Bvshd5mIrJLc73EwSRrbol9Lw==}
     dependencies:
-      '@vitest/spy': 1.1.3
-      '@vitest/utils': 1.1.3
-      chai: 4.4.0
+      '@vitest/spy': 1.2.0
+      '@vitest/utils': 1.2.0
+      chai: 4.4.1
     dev: true
 
-  /@vitest/runner@1.1.3:
-    resolution: {integrity: sha512-Va2XbWMnhSdDEh/OFxyUltgQuuDRxnarK1hW5QNN4URpQrqq6jtt8cfww/pQQ4i0LjoYxh/3bYWvDFlR9tU73g==}
+  /@vitest/runner@1.2.0:
+    resolution: {integrity: sha512-vaJkDoQaNUTroT70OhM0NPznP7H3WyRwt4LvGwCVYs/llLaqhoSLnlIhUClZpbF5RgAee29KRcNz0FEhYcgxqA==}
     dependencies:
-      '@vitest/utils': 1.1.3
+      '@vitest/utils': 1.2.0
       p-limit: 5.0.0
-      pathe: 1.1.1
+      pathe: 1.1.2
     dev: true
 
-  /@vitest/snapshot@1.1.3:
-    resolution: {integrity: sha512-U0r8pRXsLAdxSVAyGNcqOU2H3Z4Y2dAAGGelL50O0QRMdi1WWeYHdrH/QWpN1e8juWfVKsb8B+pyJwTC+4Gy9w==}
+  /@vitest/snapshot@1.2.0:
+    resolution: {integrity: sha512-P33EE7TrVgB3HDLllrjK/GG6WSnmUtWohbwcQqmm7TAk9AVHpdgf7M3F3qRHKm6vhr7x3eGIln7VH052Smo6Kw==}
     dependencies:
       magic-string: 0.30.5
-      pathe: 1.1.1
+      pathe: 1.1.2
       pretty-format: 29.7.0
     dev: true
 
-  /@vitest/spy@1.1.3:
-    resolution: {integrity: sha512-Ec0qWyGS5LhATFQtldvChPTAHv08yHIOZfiNcjwRQbFPHpkih0md9KAbs7TfeIfL7OFKoe7B/6ukBTqByubXkQ==}
+  /@vitest/spy@1.2.0:
+    resolution: {integrity: sha512-MNxSAfxUaCeowqyyGwC293yZgk7cECZU9wGb8N1pYQ0yOn/SIr8t0l9XnGRdQZvNV/ZHBYu6GO/W3tj5K3VN1Q==}
     dependencies:
       tinyspy: 2.2.0
     dev: true
 
-  /@vitest/ui@1.1.3(vitest@1.1.3):
-    resolution: {integrity: sha512-JKGgftXZgTtK7kfQNicE9Q2FuiUlYvCGyUENkA2/S1VBThtfQyGUwaJmiDFVAKBOrW305cNgjP67vsxMm9/SDQ==}
+  /@vitest/ui@1.2.0(vitest@1.2.0):
+    resolution: {integrity: sha512-AFU8FBiSioYacEd0b8+2R/4GJJhxseD6bNIiEVntb505u1B/mcNMTVRepZql7r3RQJZQ7uijY9QyLdhlbh4XvA==}
     peerDependencies:
       vitest: ^1.0.0
     dependencies:
-      '@vitest/utils': 1.1.3
+      '@vitest/utils': 1.2.0
       fast-glob: 3.3.2
       fflate: 0.8.1
       flatted: 3.2.9
-      pathe: 1.1.1
+      pathe: 1.1.2
       picocolors: 1.0.0
       sirv: 2.0.4
-      vitest: 1.1.3(@vitest/browser@1.1.3)(@vitest/ui@1.1.3)(jsdom@23.1.0)
+      vitest: 1.2.0(@vitest/browser@1.2.0)(@vitest/ui@1.2.0)(jsdom@23.2.0)
     dev: true
 
-  /@vitest/utils@1.1.3:
-    resolution: {integrity: sha512-Dyt3UMcdElTll2H75vhxfpZu03uFpXRCHxWnzcrFjZxT1kTbq8ALUYIeBgGolo1gldVdI0YSlQRacsqxTwNqwg==}
+  /@vitest/utils@1.2.0:
+    resolution: {integrity: sha512-FyD5bpugsXlwVpTcGLDf3wSPYy8g541fQt14qtzo8mJ4LdEpDKZ9mQy2+qdJm2TZRpjY5JLXihXCgIxiRJgi5g==}
     dependencies:
       diff-sequences: 29.6.3
       estree-walker: 3.0.3
@@ -1043,13 +1089,13 @@ packages:
       pretty-format: 29.7.0
     dev: true
 
-  /@wdio/config@8.27.0:
-    resolution: {integrity: sha512-zYM5daeiBVVAbQj0ASymAt0RUsocLVIwKiUHNa8gg/1GsZnztGjetXExSp1gXlxtMVM5xWUSKjh6ceFK79gWDQ==}
+  /@wdio/config@8.27.2:
+    resolution: {integrity: sha512-qR1r7K7/jsQhi9g5NiW40lgbvbzCcwwk8nz07hzTj6m8fQ8TXkQPob2fnrlDaNrXjzbZC4od0uv0a5fimK9YOQ==}
     engines: {node: ^16.13 || >=18}
     dependencies:
       '@wdio/logger': 8.24.12
-      '@wdio/types': 8.27.0
-      '@wdio/utils': 8.27.0
+      '@wdio/types': 8.27.2
+      '@wdio/utils': 8.27.2
       decamelize: 6.0.0
       deepmerge-ts: 5.1.0
       glob: 10.3.10
@@ -1076,30 +1122,30 @@ packages:
     resolution: {integrity: sha512-321F3sWafnlw93uRTSjEBVuvWCxTkWNDs7ektQS15drrroL3TMeFOynu4rDrIz0jXD9Vas0HCD2Tq/P0uxFLdw==}
     engines: {node: ^16.13 || >=18}
     dependencies:
-      '@types/node': 20.10.6
+      '@types/node': 20.11.0
     dev: true
 
-  /@wdio/types@8.27.0:
-    resolution: {integrity: sha512-LbP9FKh8r0uW9/dKhTIUCC1Su8PsP9TmzGKXkWt6/IMacgJiB/zW3u1CgyaLw9lG0UiQORHGoeJX9zB2HZAh4w==}
+  /@wdio/types@8.27.2:
+    resolution: {integrity: sha512-z/TtSQysEtAUNh+DooOs22G7xotTsJC2RcIZKaVtHY4Gl6lF+tn8kLRXD79jem2ta1byB1TpW62K366k1vzcLw==}
     engines: {node: ^16.13 || >=18}
     dependencies:
-      '@types/node': 20.10.6
+      '@types/node': 20.11.0
     dev: true
 
-  /@wdio/utils@8.27.0:
-    resolution: {integrity: sha512-4BY+JBQssVn003P5lA289uDMie3LtGinHze5btkcW9timB6VaU+EeZS4eKTPC0pziizLhteVvXYxv3YTpeeRfA==}
+  /@wdio/utils@8.27.2:
+    resolution: {integrity: sha512-jWxUhGjlZ4L3uOsP96oLKWjkITpoH/KPTtKzU7xdoVGhd1LXK4d/Fr8cTFTNkDBXM7yuM7C+EMmQ8HJHR55KTA==}
     engines: {node: ^16.13 || >=18}
     dependencies:
       '@puppeteer/browsers': 1.9.1
       '@wdio/logger': 8.24.12
-      '@wdio/types': 8.27.0
+      '@wdio/types': 8.27.2
       decamelize: 6.0.0
       deepmerge-ts: 5.1.0
       edgedriver: 5.3.9
       geckodriver: 4.3.0
       get-port: 7.0.0
       import-meta-resolve: 4.0.0
-      locate-app: 2.2.4
+      locate-app: 2.2.7
       safaridriver: 0.1.2
       split2: 4.2.0
       wait-port: 1.1.0
@@ -1115,8 +1161,8 @@ packages:
       acorn: 8.11.3
     dev: true
 
-  /acorn-walk@8.3.1:
-    resolution: {integrity: sha512-TgUZgYvqZprrl7YldZNoa9OciCAyZR+Ejm9eXzKCmjsF5IKp/wgQ7Z/ZpjpGTIUPwrHQIcYeI8qDh4PsEwxMbw==}
+  /acorn-walk@8.3.2:
+    resolution: {integrity: sha512-cjkyv4OtNCIeqhHrfS81QWXoCBPExR/J62oyEqepVw8WaQeSqpW2uhuLPh1m9eWhDuOo/jUXVTlifvesOWp/4A==}
     engines: {node: '>=0.4.0'}
     dev: true
 
@@ -1218,11 +1264,31 @@ packages:
       dequal: 2.0.3
     dev: true
 
+  /array-buffer-byte-length@1.0.0:
+    resolution: {integrity: sha512-LPuwb2P+NrQw3XhxGc36+XSvuBPopovXYTR9Ew++Du9Yb/bx5AzBfrIsBoj0EZUifjQU+sHL21sseZ3jerWO/A==}
+    dependencies:
+      call-bind: 1.0.5
+      is-array-buffer: 3.0.2
+    dev: true
+
   /array-union@2.1.0:
     resolution: {integrity: sha512-HGyxoOTYUyCM6stUe6EJgnd4EoewAI7zMdfqO+kGjnlZmBDz/cR5pf8r/cR4Wq60sL/p0IkcjUEEPwS3GFrIyw==}
     engines: {node: '>=8'}
     dev: true
 
+  /arraybuffer.prototype.slice@1.0.2:
+    resolution: {integrity: sha512-yMBKppFur/fbHu9/6USUe03bZ4knMYiwFBcyiaXB8Go0qNehwX6inYPzK9U0NeQvGxKthcmHcaR8P5MStSRBAw==}
+    engines: {node: '>= 0.4'}
+    dependencies:
+      array-buffer-byte-length: 1.0.0
+      call-bind: 1.0.5
+      define-properties: 1.2.1
+      es-abstract: 1.22.3
+      get-intrinsic: 1.2.2
+      is-array-buffer: 3.0.2
+      is-shared-array-buffer: 1.0.2
+    dev: true
+
   /assertion-error@1.1.0:
     resolution: {integrity: sha512-jgsaNduz+ndvGyFt3uSuWqvy4lCnIJiovtouQN5JZHOKCS2QuhEdbcQHFhVksz2N2U9hXJo8odG7ETyWlEeuDw==}
     dev: true
@@ -1242,6 +1308,11 @@ packages:
     resolution: {integrity: sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q==}
     dev: true
 
+  /available-typed-arrays@1.0.5:
+    resolution: {integrity: sha512-DMD0KiN46eipeziST1LPP/STfDU0sufISXmjSgvVsoU2tqxctQeASejWcfNtxYKqETM1UxQ8sp2OrSBWpHY6sw==}
+    engines: {node: '>= 0.4'}
+    dev: true
+
   /b4a@1.6.4:
     resolution: {integrity: sha512-fpWrvyVHEKyeEvbKZTVOeZF3VSKKWtJxFIxX/jaVPf+cLbGUSitjb49pHLqPV2BUNNZ0LcoeEGfE/YCpyDYHIw==}
     dev: true
@@ -1259,6 +1330,12 @@ packages:
     engines: {node: '>=10.0.0'}
     dev: true
 
+  /bidi-js@1.0.3:
+    resolution: {integrity: sha512-RKshQI1R3YQ+n9YJz2QQ147P66ELpa1FQEg20Dk8oW9t2KgLbpDLLp9aGZ7y8WHSshDknG0bknqGw5/tyCs5tw==}
+    dependencies:
+      require-from-string: 2.0.2
+    dev: true
+
   /big-integer@1.6.52:
     resolution: {integrity: sha512-QxD8cf2eVqJOOz63z6JIN9BzvVs/dlySa5HGSBH5xtR8dPteIRQnBxxKqkNTiT6jbDTF6jAfrd4oMcND9RGbQg==}
     engines: {node: '>=0.6'}
@@ -1275,6 +1352,10 @@ packages:
     resolution: {integrity: sha512-iD3898SR7sWVRHbiQv+sHUtHnMvC1o3nW5rAcqnq3uOn07DSAppZYUkIGslDz6gXC7HfunPe7YVBgoEJASPcHA==}
     dev: true
 
+  /bluebird@3.7.2:
+    resolution: {integrity: sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg==}
+    dev: true
+
   /brace-expansion@1.1.11:
     resolution: {integrity: sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==}
     dependencies:
@@ -1300,8 +1381,8 @@ packages:
     engines: {node: ^6 || ^7 || ^8 || ^9 || ^10 || ^11 || ^12 || >=13.7}
     hasBin: true
     dependencies:
-      caniuse-lite: 1.0.30001574
-      electron-to-chromium: 1.4.623
+      caniuse-lite: 1.0.30001576
+      electron-to-chromium: 1.4.629
       node-releases: 2.0.14
       update-browserslist-db: 1.0.13(browserslist@4.22.2)
     dev: true
@@ -1355,17 +1436,32 @@ packages:
       responselike: 3.0.0
     dev: true
 
+  /call-bind@1.0.5:
+    resolution: {integrity: sha512-C3nQxfFZxFRVoJoGKKI8y3MOEo129NQ+FgQ08iye+Mk4zNZZGdjfs06bVTr+DBSlA66Q2VEcMki/cUCP4SercQ==}
+    dependencies:
+      function-bind: 1.1.2
+      get-intrinsic: 1.2.2
+      set-function-length: 1.1.1
+    dev: true
+
   /callsites@3.1.0:
     resolution: {integrity: sha512-P8BjAsXvZS+VIDUI11hHCQEv74YT67YUi5JJFNWIqL235sBmjX4+qx9Muvls5ivyNENctx46xQLQ3aTuE7ssaQ==}
     engines: {node: '>=6'}
     dev: true
 
-  /caniuse-lite@1.0.30001574:
-    resolution: {integrity: sha512-BtYEK4r/iHt/txm81KBudCUcTy7t+s9emrIaHqjYurQ10x71zJ5VQ9x1dYPcz/b+pKSp4y/v1xSI67A+LzpNyg==}
+  /caniuse-lite@1.0.30001576:
+    resolution: {integrity: sha512-ff5BdakGe2P3SQsMsiqmt1Lc8221NR1VzHj5jXN5vBny9A6fpze94HiVV/n7XRosOlsShJcvMv5mdnpjOGCEgg==}
+    dev: true
+
+  /catharsis@0.9.0:
+    resolution: {integrity: sha512-prMTQVpcns/tzFgFVkVp6ak6RykZyWb3gu8ckUpd6YkTlacOd3DXGJjIpD4Q6zJirizvaiAjSSHlOsA+6sNh2A==}
+    engines: {node: '>= 10'}
+    dependencies:
+      lodash: 4.17.21
     dev: true
 
-  /chai@4.4.0:
-    resolution: {integrity: sha512-x9cHNq1uvkCdU+5xTkNh5WtgD4e4yDFCsp9jVc7N7qVeKeftv3gO/ZrviX5d+3ZfxdYnZXZYujjRInu1RogU6A==}
+  /chai@4.4.1:
+    resolution: {integrity: sha512-13sOfMv2+DWduEU+/xbun3LScLoqN17nBeTLUsmDfKdoiC1fr0n9PU4guu4AhRcOVFk/sW8LyZWHuhWtQZiF+g==}
     engines: {node: '>=4'}
     dependencies:
       assertion-error: 1.1.0
@@ -1524,6 +1620,14 @@ packages:
     resolution: {integrity: sha512-Md+Juc7M3uOdbAFwOYlTrccIZ7oCFuzrhKYQjdeUEW/sE1hv17Jp/Bws+ReOPpGVBTYCBoYo+G17V5Qo8QQ75A==}
     dev: true
 
+  /css-tree@2.3.1:
+    resolution: {integrity: sha512-6Fv1DV/TYw//QF5IzQdqsNDjx/wc8TrMBZsqjL9eW01tWb7R7k/mq+/VXfJCl7SoD5emsJop9cOByJZfs8hYIw==}
+    engines: {node: ^10 || ^12.20.0 || ^14.13.0 || >=15.0.0}
+    dependencies:
+      mdn-data: 2.0.30
+      source-map-js: 1.0.2
+    dev: true
+
   /css-value@0.0.1:
     resolution: {integrity: sha512-FUV3xaJ63buRLgHrLQVlVgQnQdR4yqdLGaDu7g8CQcWjInDfM9plBTPI9FRfpahju1UBSaMckeb2/46ApS/V1Q==}
     dev: true
@@ -1602,6 +1706,24 @@ packages:
     engines: {node: '>=10'}
     dev: true
 
+  /define-data-property@1.1.1:
+    resolution: {integrity: sha512-E7uGkTzkk1d0ByLeSc6ZsFS79Axg+m1P/VsgYsxHgiuc3tFSj+MjMIwe90FC4lOAZzNBdY7kkO2P2wKdsQ1vgQ==}
+    engines: {node: '>= 0.4'}
+    dependencies:
+      get-intrinsic: 1.2.2
+      gopd: 1.0.1
+      has-property-descriptors: 1.0.1
+    dev: true
+
+  /define-properties@1.2.1:
+    resolution: {integrity: sha512-8QmQKqEASLd5nx0U1B1okLElbUuuttJ/AnYmRXbbbGDWh6uS208EjD4Xqq/I9wK7u0v6O08XhTWnt5XtEbR6Dg==}
+    engines: {node: '>= 0.4'}
+    dependencies:
+      define-data-property: 1.1.1
+      has-property-descriptors: 1.0.1
+      object-keys: 1.1.1
+    dev: true
+
   /degenerator@5.0.1:
     resolution: {integrity: sha512-TllpMR/t0M5sqCXfj85i4XaAzxmS5tVA16dqvdkMwGmzI+dXLXnw3J+3Vdv7VKw+ThlTMboK6i9rnZ6Nntj5CQ==}
     engines: {node: '>= 14'}
@@ -1625,8 +1747,8 @@ packages:
     resolution: {integrity: sha512-hyWmRrexdhbZ1tcJUGpO95ivbRhWXz++F4Ko+n21AY5PNln2ovoJw+8ZMNDTtip+CNFQfrtLVh/w4009dXO/eQ==}
     dev: true
 
-  /devtools-protocol@0.0.1237913:
-    resolution: {integrity: sha512-Pxtmz2ZIqBkpU82HaIdsvCQBG94yTC4xajrEsWx9p38QKEfBCJktSazsHkrjf9j3dVVNPhg5LR21F6KWeXpjiQ==}
+  /devtools-protocol@0.0.1239539:
+    resolution: {integrity: sha512-uS7hZVqZxGyZwR8lX/8wWyNLGEYs1wWWxN7qeRC+wBZ4VM5JXYwCJg8hofEna5yX0W2cavpjHOE4ukHXLHlEaA==}
     dev: true
 
   /diff-sequences@29.6.3:
@@ -1679,8 +1801,8 @@ packages:
       which: 4.0.0
     dev: true
 
-  /electron-to-chromium@1.4.623:
-    resolution: {integrity: sha512-lKoz10iCYlP1WtRYdh5MvocQPWVRoI7ysp6qf18bmeBgR8abE6+I2CsfyNKztRDZvhdWc+krKT6wS7Neg8sw3A==}
+  /electron-to-chromium@1.4.629:
+    resolution: {integrity: sha512-5UUkr3k3CZ/k+9Sw7vaaIMyOzMC0XbPyprKI3n0tbKDqkzTDOjK4izm7DxlkueRMim6ZZQ1ja9F7hoFVplHihA==}
     dev: true
 
   /emoji-regex@8.0.0:
@@ -1697,11 +1819,78 @@ packages:
       once: 1.4.0
     dev: true
 
+  /entities@2.1.0:
+    resolution: {integrity: sha512-hCx1oky9PFrJ611mf0ifBLBRW8lUUVRlFolb5gWRfIELabBlbp9xZvrqZLZAs+NxFnbfQoeGd8wDkygjg7U85w==}
+    dev: true
+
   /entities@4.5.0:
     resolution: {integrity: sha512-V0hjH4dGPh9Ao5p0MoRY6BVqtwCjhz6vI5LT8AJ55H+4g9/4vbHx1I54fS0XuclLhDHArPQCiMjDxjaL8fPxhw==}
     engines: {node: '>=0.12'}
     dev: true
 
+  /es-abstract@1.22.3:
+    resolution: {integrity: sha512-eiiY8HQeYfYH2Con2berK+To6GrK2RxbPawDkGq4UiCQQfZHb6wX9qQqkbpPqaxQFcl8d9QzZqo0tGE0VcrdwA==}
+    engines: {node: '>= 0.4'}
+    dependencies:
+      array-buffer-byte-length: 1.0.0
+      arraybuffer.prototype.slice: 1.0.2
+      available-typed-arrays: 1.0.5
+      call-bind: 1.0.5
+      es-set-tostringtag: 2.0.2
+      es-to-primitive: 1.2.1
+      function.prototype.name: 1.1.6
+      get-intrinsic: 1.2.2
+      get-symbol-description: 1.0.0
+      globalthis: 1.0.3
+      gopd: 1.0.1
+      has-property-descriptors: 1.0.1
+      has-proto: 1.0.1
+      has-symbols: 1.0.3
+      hasown: 2.0.0
+      internal-slot: 1.0.6
+      is-array-buffer: 3.0.2
+      is-callable: 1.2.7
+      is-negative-zero: 2.0.2
+      is-regex: 1.1.4
+      is-shared-array-buffer: 1.0.2
+      is-string: 1.0.7
+      is-typed-array: 1.1.12
+      is-weakref: 1.0.2
+      object-inspect: 1.13.1
+      object-keys: 1.1.1
+      object.assign: 4.1.5
+      regexp.prototype.flags: 1.5.1
+      safe-array-concat: 1.0.1
+      safe-regex-test: 1.0.2
+      string.prototype.trim: 1.2.8
+      string.prototype.trimend: 1.0.7
+      string.prototype.trimstart: 1.0.7
+      typed-array-buffer: 1.0.0
+      typed-array-byte-length: 1.0.0
+      typed-array-byte-offset: 1.0.0
+      typed-array-length: 1.0.4
+      unbox-primitive: 1.0.2
+      which-typed-array: 1.1.13
+    dev: true
+
+  /es-set-tostringtag@2.0.2:
+    resolution: {integrity: sha512-BuDyupZt65P9D2D2vA/zqcI3G5xRsklm5N3xCwuiy+/vKy8i0ifdsQP1sLgO4tZDSCaQUSnmC48khknGMV3D2Q==}
+    engines: {node: '>= 0.4'}
+    dependencies:
+      get-intrinsic: 1.2.2
+      has-tostringtag: 1.0.0
+      hasown: 2.0.0
+    dev: true
+
+  /es-to-primitive@1.2.1:
+    resolution: {integrity: sha512-QCOllgZJtaUo9miYBcLChTUaHNjJF3PYs1VidD7AwiEj1kYxKeQTctLAezAOH5ZKRH0g2IgPn6KwB4IT8iRpvA==}
+    engines: {node: '>= 0.4'}
+    dependencies:
+      is-callable: 1.2.7
+      is-date-object: 1.0.5
+      is-symbol: 1.0.4
+    dev: true
+
   /esbuild@0.19.11:
     resolution: {integrity: sha512-HJ96Hev2hX/6i5cDVwcqiJBBtuo9+FeIJOtZ9W1kA5M6AMJRHUZlpYZ1/SbEwtO0ioNAW8rUooVpC/WehY2SfA==}
     engines: {node: '>=12'}
@@ -1743,6 +1932,11 @@ packages:
     engines: {node: '>=0.8.0'}
     dev: true
 
+  /escape-string-regexp@2.0.0:
+    resolution: {integrity: sha512-UpzcLCXolUWcNu5HtVMHYdXJjArjsF9C0aNnquZYY4uW/Vu0miy5YoWvbV345HauVvcAUnpRuhMMcqTcGOY2+w==}
+    engines: {node: '>=8'}
+    dev: true
+
   /escape-string-regexp@4.0.0:
     resolution: {integrity: sha512-TtpcNJ3XAzx3Gq8sWRzJaVajRs0uVxA2YAkdb1jm2YkPz4G6egUFAyA3n5vtEIZefPk5Wa4UXbKuS5fKkJWdgA==}
     engines: {node: '>=10'}
@@ -1780,7 +1974,7 @@ packages:
       - supports-color
     dev: true
 
-  /eslint-plugin-vitest@0.3.20(eslint@8.56.0)(typescript@5.3.3)(vitest@1.1.3):
+  /eslint-plugin-vitest@0.3.20(eslint@8.56.0)(typescript@5.3.3)(vitest@1.2.0):
     resolution: {integrity: sha512-O05k4j9TGMOkkghj9dRgpeLDyOSiVIxQWgNDPfhYPm5ioJsehcYV/zkRLekQs+c8+RBCVXucSED3fYOyy2EoWA==}
     engines: {node: ^18.0.0 || >= 20.0.0}
     peerDependencies:
@@ -1793,9 +1987,9 @@ packages:
       vitest:
         optional: true
     dependencies:
-      '@typescript-eslint/utils': 6.17.0(eslint@8.56.0)(typescript@5.3.3)
+      '@typescript-eslint/utils': 6.18.1(eslint@8.56.0)(typescript@5.3.3)
       eslint: 8.56.0
-      vitest: 1.1.3(@vitest/browser@1.1.3)(@vitest/ui@1.1.3)(jsdom@23.1.0)
+      vitest: 1.2.0(@vitest/browser@1.2.0)(@vitest/ui@1.2.0)(jsdom@23.2.0)
     transitivePeerDependencies:
       - supports-color
       - typescript
@@ -1823,7 +2017,7 @@ packages:
       '@eslint-community/regexpp': 4.10.0
       '@eslint/eslintrc': 2.1.4
       '@eslint/js': 8.56.0
-      '@humanwhocodes/config-array': 0.11.13
+      '@humanwhocodes/config-array': 0.11.14
       '@humanwhocodes/module-importer': 1.0.1
       '@nodelib/fs.walk': 1.2.8
       '@ungap/structured-clone': 1.2.0
@@ -2029,6 +2223,12 @@ packages:
     resolution: {integrity: sha512-36yxDn5H7OFZQla0/jFJmbIKTdZAQHngCedGxiMmpNfEZM0sdEeT+WczLQrjK6D7o2aiyLYDnkw0R3JK0Qv1RQ==}
     dev: true
 
+  /for-each@0.3.3:
+    resolution: {integrity: sha512-jqYfLp7mo9vIyQf8ykW2v7A+2N4QjeCeI5+Dz9XraiO1ign81wjiH7Fb9vSOWvQfNtmSa4H2RoQTrrXivdUZmw==}
+    dependencies:
+      is-callable: 1.2.7
+    dev: true
+
   /foreground-child@3.1.1:
     resolution: {integrity: sha512-TMKDUnIte6bfb5nWv7V/caI169OHgvwjb7V4WkeUvbQQdjr5rWKqHFiKWb/fcOwB+CzBT+qbWjvj+DVwRskpIg==}
     engines: {node: '>=14'}
@@ -2089,6 +2289,24 @@ packages:
       rimraf: 2.7.1
     dev: true
 
+  /function-bind@1.1.2:
+    resolution: {integrity: sha512-7XHNxH7qX9xG5mIwxkhumTox/MIRNcOgDrxWsMt2pAr23WHp6MrRlN7FBSFpCpr+oVO0F744iUgR82nJMfG2SA==}
+    dev: true
+
+  /function.prototype.name@1.1.6:
+    resolution: {integrity: sha512-Z5kx79swU5P27WEayXM1tBi5Ze/lbIyiNgU3qyXUOf9b2rgXYyF9Dy9Cx+IQv/Lc8WCG6L82zwUPpSS9hGehIg==}
+    engines: {node: '>= 0.4'}
+    dependencies:
+      call-bind: 1.0.5
+      define-properties: 1.2.1
+      es-abstract: 1.22.3
+      functions-have-names: 1.2.3
+    dev: true
+
+  /functions-have-names@1.2.3:
+    resolution: {integrity: sha512-xckBUXyTIqT97tq2x2AMb+g163b5JFysYk0x4qxNFwbfQkmNZoiRHb6sPzI9/QV33WeuvVYBUIiD4NzNIyqaRQ==}
+    dev: true
+
   /geckodriver@4.3.0:
     resolution: {integrity: sha512-QfpvxFsMORwKpvnLslkHCr3NTCczHAvkte6+pQGsiUZXKBe6mO4TTb727b+9KMVSK6XZqhR6ZwImKdP+F5vS6A==}
     engines: {node: ^16.13 || >=18 || >=20}
@@ -2121,6 +2339,15 @@ packages:
     resolution: {integrity: sha512-8vXOvuE167CtIc3OyItco7N/dpRtBbYOsPsXCz7X/PMnlGjYjSGuZJgM1Y7mmew7BKf9BqvLX2tnOVy1BBUsxQ==}
     dev: true
 
+  /get-intrinsic@1.2.2:
+    resolution: {integrity: sha512-0gSo4ml/0j98Y3lngkFEot/zhiCeWsbYIlZ+uZOVgzLyLaUw7wxUL+nCTP0XJvJg1AXulJRI3UJi8GsbDuxdGA==}
+    dependencies:
+      function-bind: 1.1.2
+      has-proto: 1.0.1
+      has-symbols: 1.0.3
+      hasown: 2.0.0
+    dev: true
+
   /get-port@7.0.0:
     resolution: {integrity: sha512-mDHFgApoQd+azgMdwylJrv2DX47ywGq1i5VFJE7fZ0dttNq3iQMfsU4IvEgBHojA3KqEudyu7Vq+oN8kNaNkWw==}
     engines: {node: '>=16'}
@@ -2143,6 +2370,14 @@ packages:
     engines: {node: '>=16'}
     dev: true
 
+  /get-symbol-description@1.0.0:
+    resolution: {integrity: sha512-2EmdH1YvIQiZpltCNgkuiUnyukzxM/R6NDJX31Ke3BG1Nq5b0S2PhX59UKi9vZpPDQVdqn+1IcaAwnzTT5vCjw==}
+    engines: {node: '>= 0.4'}
+    dependencies:
+      call-bind: 1.0.5
+      get-intrinsic: 1.2.2
+    dev: true
+
   /get-uri@6.0.2:
     resolution: {integrity: sha512-5KLucCJobh8vBY1K07EFV4+cPZH3mrV9YeAruUseCQKHB58SGjjT2l9/eA9LD082IiuMjSlFJEcdJ27TXvbZNw==}
     engines: {node: '>= 14'}
@@ -2215,6 +2450,13 @@ packages:
       type-fest: 0.20.2
     dev: true
 
+  /globalthis@1.0.3:
+    resolution: {integrity: sha512-sFdI5LyBiNTHjRd7cGPWapiHWMOXKyuBNX/cWJ3NfzrZQVa8GI/8cofCl74AOVqq9W5kNmguTIzJ/1s2gyI9wA==}
+    engines: {node: '>= 0.4'}
+    dependencies:
+      define-properties: 1.2.1
+    dev: true
+
   /globby@11.1.0:
     resolution: {integrity: sha512-jhIXaOzy1sb8IyocaruWSn1TjmnBVs8Ayhcy83rmxNJ8q2uWKCAj3CnJY+KpGSXCueAPc0i05kVvVKtP1t9S3g==}
     engines: {node: '>=10'}
@@ -2227,6 +2469,12 @@ packages:
       slash: 3.0.0
     dev: true
 
+  /gopd@1.0.1:
+    resolution: {integrity: sha512-d65bNlIadxvpb/A2abVdlqKqV563juRnZ1Wtk6s1sIR8uNsXR70xqIzVqxVf1eTqDunwT2MkczEeaezCKTZhwA==}
+    dependencies:
+      get-intrinsic: 1.2.2
+    dev: true
+
   /got@12.6.1:
     resolution: {integrity: sha512-mThBblvlAF1d4O5oqyvN+ZxLAYwIJK7bpMxgYqPD9okW0C3qm5FFn7k811QrcuEBwaogR3ngOFoCfs6mRv7teQ==}
     engines: {node: '>=14.16'}
@@ -2269,6 +2517,10 @@ packages:
       uglify-js: 3.17.4
     dev: true
 
+  /has-bigints@1.0.2:
+    resolution: {integrity: sha512-tSvCKtBr9lkF0Ex0aQiP9N+OpV4zi2r/Nee5VkRDbaqv35RLYMzbwQfFSZZH0kR+Rd6302UJZ2p/bJCEoR3VoQ==}
+    dev: true
+
   /has-flag@3.0.0:
     resolution: {integrity: sha512-sKJf1+ceQBr4SMkvQnBDNDtf4TXpVhVGateu0t918bl30FnbE2m4vNLX+VWe/dpjlb+HugGYzW7uQXH98HPEYw==}
     engines: {node: '>=4'}
@@ -2279,6 +2531,36 @@ packages:
     engines: {node: '>=8'}
     dev: true
 
+  /has-property-descriptors@1.0.1:
+    resolution: {integrity: sha512-VsX8eaIewvas0xnvinAe9bw4WfIeODpGYikiWYLH+dma0Jw6KHYqWiWfhQlgOVK8D6PvjubK5Uc4P0iIhIcNVg==}
+    dependencies:
+      get-intrinsic: 1.2.2
+    dev: true
+
+  /has-proto@1.0.1:
+    resolution: {integrity: sha512-7qE+iP+O+bgF9clE5+UoBFzE65mlBiVj3tKCrlNQ0Ogwm0BjpT/gK4SlLYDMybDh5I3TCTKnPPa0oMG7JDYrhg==}
+    engines: {node: '>= 0.4'}
+    dev: true
+
+  /has-symbols@1.0.3:
+    resolution: {integrity: sha512-l3LCuF6MgDNwTDKkdYGEihYjt5pRPbEg46rtlmnSPlUbgmB8LOIrKJbYYFBSbnPaJexMKtiPO8hmeRjRz2Td+A==}
+    engines: {node: '>= 0.4'}
+    dev: true
+
+  /has-tostringtag@1.0.0:
+    resolution: {integrity: sha512-kFjcSNhnlGV1kyoGk7OXKSawH5JOb/LzUc5w9B02hOTO0dfFRjbHQKvg1d6cf3HbeUmtU9VbbV3qzZ2Teh97WQ==}
+    engines: {node: '>= 0.4'}
+    dependencies:
+      has-symbols: 1.0.3
+    dev: true
+
+  /hasown@2.0.0:
+    resolution: {integrity: sha512-vUptKVTpIJhcczKBbgnS+RtcuYMB8+oNzPK2/Hp3hanz8JmpATdmmgLgSaadVREkDm+e2giHwY3ZRkyjSIDDFA==}
+    engines: {node: '>= 0.4'}
+    dependencies:
+      function-bind: 1.1.2
+    dev: true
+
   /html-encoding-sniffer@4.0.0:
     resolution: {integrity: sha512-Y22oTqIU4uuPgEemfz7NDJz6OeKf12Lsu+QC+s3BVpda64lTiMYCyGwg5ki4vFxkMwQdeZDl2adZoqUgdFuTgQ==}
     engines: {node: '>=18'}
@@ -2371,6 +2653,15 @@ packages:
     resolution: {integrity: sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==}
     dev: true
 
+  /internal-slot@1.0.6:
+    resolution: {integrity: sha512-Xj6dv+PsbtwyPpEflsejS+oIZxmMlV44zAhG479uYu89MsjcYOhCFnNyKrkJrihbsiasQyY0afoCl/9BLR65bg==}
+    engines: {node: '>= 0.4'}
+    dependencies:
+      get-intrinsic: 1.2.2
+      hasown: 2.0.0
+      side-channel: 1.0.4
+    dev: true
+
   /ip@1.1.8:
     resolution: {integrity: sha512-PuExPYUiu6qMBQb4l06ecm6T6ujzhmh+MeJcW9wa89PoAz5pvd4zPgN5WJV104mb6S2T1AwNIAaB70JNrLQWhg==}
     dev: true
@@ -2379,6 +2670,28 @@ packages:
     resolution: {integrity: sha512-WKa+XuLG1A1R0UWhl2+1XQSi+fZWMsYKffMZTTYsiZaUD8k2yDAj5atimTUD2TZkyCkNEeYE5NhFZmupOGtjYQ==}
     dev: true
 
+  /is-array-buffer@3.0.2:
+    resolution: {integrity: sha512-y+FyyR/w8vfIRq4eQcM1EYgSTnmHXPqaF+IgzgraytCFq5Xh8lllDVmAZolPJiZttZLeFSINPYMaEJ7/vWUa1w==}
+    dependencies:
+      call-bind: 1.0.5
+      get-intrinsic: 1.2.2
+      is-typed-array: 1.1.12
+    dev: true
+
+  /is-bigint@1.0.4:
+    resolution: {integrity: sha512-zB9CruMamjym81i2JZ3UMn54PKGsQzsJeo6xvN3HJJ4CAsQNB6iRutp2To77OfCNuoxspsIhzaPoO1zyCEhFOg==}
+    dependencies:
+      has-bigints: 1.0.2
+    dev: true
+
+  /is-boolean-object@1.1.2:
+    resolution: {integrity: sha512-gDYaKHJmnj4aWxyj6YHyXVpdQawtVLHU5cb+eztPGczf6cjuTdwve5ZIEfgXqH4e57An1D1AKf8CZ3kYrQRqYA==}
+    engines: {node: '>= 0.4'}
+    dependencies:
+      call-bind: 1.0.5
+      has-tostringtag: 1.0.0
+    dev: true
+
   /is-builtin-module@3.2.1:
     resolution: {integrity: sha512-BSLE3HnV2syZ0FK0iMA/yUGplUeMmNz4AW5fnTunbCIqZi4vG3WjJT9FHMy5D69xmAYBHXQhJdALdpwVxV501A==}
     engines: {node: '>=6'}
@@ -2386,6 +2699,18 @@ packages:
       builtin-modules: 3.3.0
     dev: true
 
+  /is-callable@1.2.7:
+    resolution: {integrity: sha512-1BC0BVFhS/p0qtw6enp8e+8OD0UrK0oFLztSjNzhcKA3WDuJxxAPXzPuPtKkjEY9UUoEWlX/8fgKeu2S8i9JTA==}
+    engines: {node: '>= 0.4'}
+    dev: true
+
+  /is-date-object@1.0.5:
+    resolution: {integrity: sha512-9YQaSxsAiSwcvS33MBk3wTCVnWK+HhF8VZR2jRxehM16QcVOdHqPn4VPHmRK4lSr38n9JriurInLcP90xsYNfQ==}
+    engines: {node: '>= 0.4'}
+    dependencies:
+      has-tostringtag: 1.0.0
+    dev: true
+
   /is-extglob@2.1.1:
     resolution: {integrity: sha512-SbKbANkN603Vi4jEZv49LeVJMn4yGwsbzZworEoyEiutsN3nJYdbO36zfhGJ6QEDpOZIFkDtnq5JRxmvl3jsoQ==}
     engines: {node: '>=0.10.0'}
@@ -2403,6 +2728,18 @@ packages:
       is-extglob: 2.1.1
     dev: true
 
+  /is-negative-zero@2.0.2:
+    resolution: {integrity: sha512-dqJvarLawXsFbNDeJW7zAz8ItJ9cd28YufuuFzh0G8pNHjJMnY08Dv7sYX2uF5UpQOwieAeOExEYAWWfu7ZZUA==}
+    engines: {node: '>= 0.4'}
+    dev: true
+
+  /is-number-object@1.0.7:
+    resolution: {integrity: sha512-k1U0IRzLMo7ZlYIfzRu23Oh6MiIFasgpb9X76eqfFZAqwH44UI4KTBvBYIZ1dSL9ZzChTB9ShHfLkR4pdW5krQ==}
+    engines: {node: '>= 0.4'}
+    dependencies:
+      has-tostringtag: 1.0.0
+    dev: true
+
   /is-number@7.0.0:
     resolution: {integrity: sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng==}
     engines: {node: '>=0.12.0'}
@@ -2422,15 +2759,60 @@ packages:
     resolution: {integrity: sha512-bCYeRA2rVibKZd+s2625gGnGF/t7DSqDs4dP7CrLA1m7jKWz6pps0LpYLJN8Q64HtmPKJ1hrN3nzPNKFEKOUiQ==}
     dev: true
 
+  /is-regex@1.1.4:
+    resolution: {integrity: sha512-kvRdxDsxZjhzUX07ZnLydzS1TU/TJlTUHHY4YLL87e37oUA49DfkLqgy+VjFocowy29cKvcSiu+kIv728jTTVg==}
+    engines: {node: '>= 0.4'}
+    dependencies:
+      call-bind: 1.0.5
+      has-tostringtag: 1.0.0
+    dev: true
+
+  /is-shared-array-buffer@1.0.2:
+    resolution: {integrity: sha512-sqN2UDu1/0y6uvXyStCOzyhAjCSlHceFoMKJW8W9EU9cvic/QdsZ0kEU93HEy3IUEFZIiH/3w+AH/UQbPHNdhA==}
+    dependencies:
+      call-bind: 1.0.5
+    dev: true
+
   /is-stream@3.0.0:
     resolution: {integrity: sha512-LnQR4bZ9IADDRSkvpqMGvt/tEJWclzklNgSw48V5EAaAeDd6qGvN8ei6k5p0tvxSR171VmGyHuTiAOfxAbr8kA==}
     engines: {node: ^12.20.0 || ^14.13.1 || >=16.0.0}
     dev: true
 
+  /is-string@1.0.7:
+    resolution: {integrity: sha512-tE2UXzivje6ofPW7l23cjDOMa09gb7xlAqG6jG5ej6uPV32TlWP3NKPigtaGeHNu9fohccRYvIiZMfOOnOYUtg==}
+    engines: {node: '>= 0.4'}
+    dependencies:
+      has-tostringtag: 1.0.0
+    dev: true
+
+  /is-symbol@1.0.4:
+    resolution: {integrity: sha512-C/CPBqKWnvdcxqIARxyOh4v1UUEOCHpgDa0WYgpKDFMszcrPcffg5uhwSgPCLD2WWxmq6isisz87tzT01tuGhg==}
+    engines: {node: '>= 0.4'}
+    dependencies:
+      has-symbols: 1.0.3
+    dev: true
+
+  /is-typed-array@1.1.12:
+    resolution: {integrity: sha512-Z14TF2JNG8Lss5/HMqt0//T9JeHXttXy5pH/DBU4vi98ozO2btxzq9MwYDZYnKwU8nRsz/+GVFVRDq3DkVuSPg==}
+    engines: {node: '>= 0.4'}
+    dependencies:
+      which-typed-array: 1.1.13
+    dev: true
+
+  /is-weakref@1.0.2:
+    resolution: {integrity: sha512-qctsuLZmIQ0+vSSMfoVvyFe2+GSEvnmZ2ezTup1SBse9+twCCeial6EEi3Nc2KFcf6+qz2FBPnjXsk8xhKSaPQ==}
+    dependencies:
+      call-bind: 1.0.5
+    dev: true
+
   /isarray@1.0.0:
     resolution: {integrity: sha512-VLghIWNM6ELQzo7zwmcg0NmTVyWKYjvIeM83yjp0wRDTmUnrM678fQbcKBo6n2CJEF0szoG//ytg+TKla89ALQ==}
     dev: true
 
+  /isarray@2.0.5:
+    resolution: {integrity: sha512-xHjhDr3cNBK0BzdUJSPXZntQUx/mwMS5Rw4A7lPJ90XGAO6ISP/ePDNuo0vhqOZU+UD5JoodwCAAoZQd3FeAKw==}
+    dev: true
+
   /isexe@2.0.0:
     resolution: {integrity: sha512-RHxMLp9lnKHGHRng9QFhRCMbYAcVpn69smSGcq3f36xjgVVWThj4qqLbTLlq7Ssj8B+fIQ1EuCEGI2lKsyQeIw==}
     dev: true
@@ -2506,19 +2888,53 @@ packages:
       argparse: 2.0.1
     dev: true
 
-  /jsdoc-cli-wrapper@1.0.4:
-    resolution: {integrity: sha512-JzdBSsLkS5Q8BIaO8b9SC3kfUc7NsHc7egpJLJGqQQsm+X4rXooG0hClwGVm1LVNuca3bpeq/Mw99BcUiD4rQw==}
+  /js2xmlparser@4.0.2:
+    resolution: {integrity: sha512-6n4D8gLlLf1n5mNLQPRfViYzu9RATblzPEtm1SthMX1Pjao0r9YI9nw7ZIfRxQMERS87mcswrg+r/OYrPRX6jA==}
+    dependencies:
+      xmlcreate: 2.0.4
+    dev: true
+
+  /jsdoc-cli-wrapper@1.0.5:
+    resolution: {integrity: sha512-cRJyq/yB3G5lo3ByyYXJLEZI8fk9AH1iRkb75Aa9oEsfXJONG167p89+AlYhTtYR+x2vQfx6Pdon6Iogu2GrLw==}
     engines: {node: '>= 18.0.0'}
     hasBin: true
     dev: true
 
+  /jsdoc-plugin-typescript@2.2.1:
+    resolution: {integrity: sha512-xxuiqJ1O5+KIoOd8G8+iIZ89ns/ZvuzerrhCQhLPmeSIVsv5Ra42D9/YOHPi2DndUJbbkEpJCB95i7EXIOmhnA==}
+    dependencies:
+      string.prototype.matchall: 4.0.10
+    dev: true
+
   /jsdoc-type-pratt-parser@4.0.0:
     resolution: {integrity: sha512-YtOli5Cmzy3q4dP26GraSOeAhqecewG04hoO8DY56CH4KJ9Fvv5qKWUCCo3HZob7esJQHCv6/+bnTy72xZZaVQ==}
     engines: {node: '>=12.0.0'}
     dev: true
 
-  /jsdom@23.1.0:
-    resolution: {integrity: sha512-wRscu8dBFxi7O65Cvi0jFRDv0Qa7XEHPix8Qg/vlXHLAMQsRWV1EDeQHBermzXf4Dt7JtFgBLbva3iTcBZDXEQ==}
+  /jsdoc@4.0.2:
+    resolution: {integrity: sha512-e8cIg2z62InH7azBBi3EsSEqrKx+nUtAS5bBcYTSpZFA+vhNPyhv8PTFZ0WsjOPDj04/dOLlm08EDcQJDqaGQg==}
+    engines: {node: '>=12.0.0'}
+    hasBin: true
+    dependencies:
+      '@babel/parser': 7.23.6
+      '@jsdoc/salty': 0.2.7
+      '@types/markdown-it': 12.2.3
+      bluebird: 3.7.2
+      catharsis: 0.9.0
+      escape-string-regexp: 2.0.0
+      js2xmlparser: 4.0.2
+      klaw: 3.0.0
+      markdown-it: 12.3.2
+      markdown-it-anchor: 8.6.7(@types/markdown-it@12.2.3)(markdown-it@12.3.2)
+      marked: 4.3.0
+      mkdirp: 1.0.4
+      requizzle: 0.2.4
+      strip-json-comments: 3.1.1
+      underscore: 1.13.6
+    dev: true
+
+  /jsdom@23.2.0:
+    resolution: {integrity: sha512-L88oL7D/8ufIES+Zjz7v0aes+oBMh2Xnh3ygWvL0OaICOomKEPKuPnIfBJekiXr+BHbbMjrWn/xqrDQuxFTeyA==}
     engines: {node: '>=18'}
     peerDependencies:
       canvas: ^2.11.2
@@ -2526,6 +2942,7 @@ packages:
       canvas:
         optional: true
     dependencies:
+      '@asamuzakjp/dom-selector': 2.0.2
       cssstyle: 4.0.1
       data-urls: 5.0.0
       decimal.js: 10.4.3
@@ -2534,7 +2951,6 @@ packages:
       http-proxy-agent: 7.0.0
       https-proxy-agent: 7.0.2
       is-potential-custom-element-name: 1.0.1
-      nwsapi: 2.2.7
       parse5: 7.1.2
       rrweb-cssom: 0.6.0
       saxes: 6.0.0
@@ -2593,6 +3009,12 @@ packages:
       json-buffer: 3.0.1
     dev: true
 
+  /klaw@3.0.0:
+    resolution: {integrity: sha512-0Fo5oir+O9jnXu5EefYbVK+mHMBeEVEy2cmctR1O1NECcCkPRreJKrS6Qt/j3KC2C148Dfo9i3pCmCMsdqGr0g==}
+    dependencies:
+      graceful-fs: 4.2.11
+    dev: true
+
   /ky@0.33.3:
     resolution: {integrity: sha512-CasD9OCEQSFIam2U8efFK81Yeg8vNMTBUqtMOHlrcWQHqUX3HeCl9Dr31u4toV7emlH8Mymk5+9p0lL6mKb/Xw==}
     engines: {node: '>=14.16'}
@@ -2613,6 +3035,12 @@ packages:
       type-check: 0.4.0
     dev: true
 
+  /linkify-it@3.0.3:
+    resolution: {integrity: sha512-ynTsyrFSdE5oZ/O9GEf00kPngmOfVwazR5GKDq6EYfhlpFug3J2zybX56a2PRRpc9P+FuSoGNAwjlbDs9jJBPQ==}
+    dependencies:
+      uc.micro: 1.0.6
+    dev: true
+
   /listenercount@1.0.1:
     resolution: {integrity: sha512-3mk/Zag0+IJxeDrxSgaDPy4zZ3w05PRZeJNnlWhzFz5OkX49J4krc+A8X2d2M69vGMBEX0uyl8M+W+8gH+kBqQ==}
     dev: true
@@ -2621,14 +3049,14 @@ packages:
     resolution: {integrity: sha512-ok6z3qlYyCDS4ZEU27HaU6x/xZa9Whf8jD4ptH5UZTQYZVYeb9bnZ3ojVhiJNLiXK1Hfc0GNbLXcmZ5plLDDBg==}
     engines: {node: '>=14'}
     dependencies:
-      mlly: 1.4.2
+      mlly: 1.5.0
       pkg-types: 1.0.3
     dev: true
 
-  /locate-app@2.2.4:
-    resolution: {integrity: sha512-fGv1FEAMsJWW3F+/WdxZ4dnXT0k4dnj2RJa79tQ0KHwpWHXan8PnaIJ161Ot6UdUwyxFWplSaiHU8/Yo02R94Q==}
+  /locate-app@2.2.7:
+    resolution: {integrity: sha512-4NR8WidaCRCozDZ0BW0U5wL91EPuuIshFun2//4Kpca4DIi5XPQHAUEbj+MQt7NihZTYs+HKfOuaoqurZ58bUg==}
     dependencies:
-      n12: 1.8.6
+      n12: 1.8.10
       type-fest: 2.13.0
       userhome: 1.0.0
     dev: true
@@ -2721,6 +3149,41 @@ packages:
       semver: 7.5.4
     dev: true
 
+  /markdown-it-anchor@8.6.7(@types/markdown-it@12.2.3)(markdown-it@12.3.2):
+    resolution: {integrity: sha512-FlCHFwNnutLgVTflOYHPW2pPcl2AACqVzExlkGQNsi4CJgqOHN7YTgDd4LuhgN1BFO3TS0vLAruV1Td6dwWPJA==}
+    peerDependencies:
+      '@types/markdown-it': '*'
+      markdown-it: '*'
+    dependencies:
+      '@types/markdown-it': 12.2.3
+      markdown-it: 12.3.2
+    dev: true
+
+  /markdown-it@12.3.2:
+    resolution: {integrity: sha512-TchMembfxfNVpHkbtriWltGWc+m3xszaRD0CZup7GFFhzIgQqxIfn3eGj1yZpfuflzPvfkt611B2Q/Bsk1YnGg==}
+    hasBin: true
+    dependencies:
+      argparse: 2.0.1
+      entities: 2.1.0
+      linkify-it: 3.0.3
+      mdurl: 1.0.1
+      uc.micro: 1.0.6
+    dev: true
+
+  /marked@4.3.0:
+    resolution: {integrity: sha512-PRsaiG84bK+AMvxziE/lCFss8juXjNaWzVbN5tXAm4XjeaS9NAHhop+PjQxz2A9h8Q4M/xGmzP8vqNwy6JeK0A==}
+    engines: {node: '>= 12'}
+    hasBin: true
+    dev: true
+
+  /mdn-data@2.0.30:
+    resolution: {integrity: sha512-GaqWWShW4kv/G9IEucWScBx9G1/vsFZZJUO+tD26M8J8z3Kw5RDQjaoZe03YAClgeS/SWPOcb4nkFBTEi5DUEA==}
+    dev: true
+
+  /mdurl@1.0.1:
+    resolution: {integrity: sha512-/sKlQJCBYVY9Ers9hqzKou4H6V5UWc/M59TH2dvkt+84itfnq7uFOMLpOiOS4ujvHP4etln18fmIxA5R5fll0g==}
+    dev: true
+
   /merge-stream@2.0.0:
     resolution: {integrity: sha512-abv/qOcuPfk3URPfDzmZU1LKmuw8kT+0nIHvKrKgFrwifol/doWcdA4ZqsWQ8ENrFKkd67Mfpo/LovbIUsbt3w==}
     dev: true
@@ -2809,11 +3272,17 @@ packages:
       minimist: 1.2.8
     dev: true
 
-  /mlly@1.4.2:
-    resolution: {integrity: sha512-i/Ykufi2t1EZ6NaPLdfnZk2AX8cs0d+mTzVKuPfqPKPatxLApaBoxJQ9x1/uckXtrS/U5oisPMDkNs0yQTaBRg==}
+  /mkdirp@1.0.4:
+    resolution: {integrity: sha512-vVqVZQyf3WLx2Shd0qJ9xuvqgAyKPLAiqITEtqW0oIUjzo3PePDd6fW9iFz30ef7Ysp/oiWqbhszeGWW2T6Gzw==}
+    engines: {node: '>=10'}
+    hasBin: true
+    dev: true
+
+  /mlly@1.5.0:
+    resolution: {integrity: sha512-NPVQvAY1xr1QoVeG0cy8yUYC7FQcOx6evl/RjT1wL5FvzPnzOysoqB/jmx/DhssT2dYa8nxECLAaFI/+gVLhDQ==}
     dependencies:
       acorn: 8.11.3
-      pathe: 1.1.1
+      pathe: 1.1.2
       pkg-types: 1.0.3
       ufo: 1.3.2
     dev: true
@@ -2827,8 +3296,8 @@ packages:
     resolution: {integrity: sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==}
     dev: true
 
-  /n12@1.8.6:
-    resolution: {integrity: sha512-a+9bk4vwyYkBtoo1ONHLakCME4pl+qXZteHcDH3+91Wxa365SgxcXP4X0bLHYjoIR4u+b/yE8IJeQPJqhJpodQ==}
+  /n12@1.8.10:
+    resolution: {integrity: sha512-/iREutgBDWCLwSqVOTKyAXRfToeY8Y9PmFPk3egwWVf6UYUyL9UXIaVnEkW4mx+g3dBGBywfvWilfKFEkiGK+A==}
     dev: true
 
   /nanoid@3.3.7:
@@ -2897,8 +3366,23 @@ packages:
       path-key: 4.0.0
     dev: true
 
-  /nwsapi@2.2.7:
-    resolution: {integrity: sha512-ub5E4+FBPKwAZx0UwIQOjYWGHTEq5sPqHQNRN8Z9e4A7u3Tj1weLJsL59yH9vmvqEtBHaOmT6cYQKIZOxp35FQ==}
+  /object-inspect@1.13.1:
+    resolution: {integrity: sha512-5qoj1RUiKOMsCCNLV1CBiPYE10sziTsnmNxkAI/rZhiD63CF7IqdFGC/XzjWjpSgLf0LxXX3bDFIh0E18f6UhQ==}
+    dev: true
+
+  /object-keys@1.1.1:
+    resolution: {integrity: sha512-NuAESUOUMrlIXOfHKzD6bpPu3tYt3xvjNdRIQ+FeT0lNb4K8WR70CaDxhuNguS2XG+GjkyMwOzsN5ZktImfhLA==}
+    engines: {node: '>= 0.4'}
+    dev: true
+
+  /object.assign@4.1.5:
+    resolution: {integrity: sha512-byy+U7gp+FVwmyzKPYhW2h5l3crpmGsxl7X2s8y43IgxvG4g3QZ6CffDtsNQy1WsmZpQbO+ybo0AlW7TY6DcBQ==}
+    engines: {node: '>= 0.4'}
+    dependencies:
+      call-bind: 1.0.5
+      define-properties: 1.2.1
+      has-symbols: 1.0.3
+      object-keys: 1.1.1
     dev: true
 
   /once@1.4.0:
@@ -3023,8 +3507,8 @@ packages:
     engines: {node: '>=8'}
     dev: true
 
-  /pathe@1.1.1:
-    resolution: {integrity: sha512-d+RQGp0MAYTIaDBIMmOfMwz3E+LOZnxx1HZd5R18mmCZY0QBlK0LDZfPc8FW8Ed2DlvsuE6PRjroDY+wg4+j/Q==}
+  /pathe@1.1.2:
+    resolution: {integrity: sha512-whLdWMYL2TwI08hn8/ZqAbrVemu0LNaNNJZX73O6qaIdCTfXutsLhMkjdENX0qhsQ9uIimo4/aQOmXkoon2nDQ==}
     dev: true
 
   /pathval@1.1.1:
@@ -3048,8 +3532,8 @@ packages:
     resolution: {integrity: sha512-nN7pYi0AQqJnoLPC9eHFQ8AcyaixBUOwvqc5TDnIKCMEE6I0y8P7OKA7fPexsXGCGxQDl/cmrLAp26LhcwxZ4A==}
     dependencies:
       jsonc-parser: 3.2.0
-      mlly: 1.4.2
-      pathe: 1.1.1
+      mlly: 1.5.0
+      pathe: 1.1.2
     dev: true
 
   /postcss@8.4.33:
@@ -3211,15 +3695,35 @@ packages:
       minimatch: 5.1.6
     dev: true
 
+  /regexp.prototype.flags@1.5.1:
+    resolution: {integrity: sha512-sy6TXMN+hnP/wMy+ISxg3krXx7BAtWVO4UouuCN/ziM9UEne0euamVNafDfvC83bRNr95y0V5iijeDQFUNpvrg==}
+    engines: {node: '>= 0.4'}
+    dependencies:
+      call-bind: 1.0.5
+      define-properties: 1.2.1
+      set-function-name: 2.0.1
+    dev: true
+
   /require-directory@2.1.1:
     resolution: {integrity: sha512-fGxEI7+wsG9xrvdjsrlmL22OMTTiHRwAMroiEeMgq8gzoLC/PQr7RsRDSTLUg/bZAZtF+TVIkHc6/4RIKrui+Q==}
     engines: {node: '>=0.10.0'}
     dev: true
 
+  /require-from-string@2.0.2:
+    resolution: {integrity: sha512-Xf0nWe6RseziFMu+Ap9biiUbmplq6S9/p+7w7YXP/JBHhrUDDUhwa+vANyubuqfZWTveU//DYVGsDG7RKL/vEw==}
+    engines: {node: '>=0.10.0'}
+    dev: true
+
   /requires-port@1.0.0:
     resolution: {integrity: sha512-KigOCHcocU3XODJxsu8i/j8T9tzT4adHiecwORRQ0ZZFcp7ahwXuRU1m+yuO90C5ZUyGeGfocHDI14M3L3yDAQ==}
     dev: true
 
+  /requizzle@0.2.4:
+    resolution: {integrity: sha512-JRrFk1D4OQ4SqovXOgdav+K8EAhSB/LJZqCz8tbX0KObcdeM15Ss59ozWMBWmmINMagCwmqn4ZNryUGpBsl6Jw==}
+    dependencies:
+      lodash: 4.17.21
+    dev: true
+
   /resolve-alpn@1.2.1:
     resolution: {integrity: sha512-0a1F4l73/ZFZOakJnQ3FvkJ2+gSTQWz/r2KE5OdDY0TxPm5h4GkqkWWfM47T7HsbnOtcJVEF4epCVy6u7Q3K+g==}
     dev: true
@@ -3275,26 +3779,26 @@ packages:
       - rollup
     dev: true
 
-  /rollup@4.9.3:
-    resolution: {integrity: sha512-JnchF0ZGFiqGpAPjg3e89j656Ne4tTtCY1VZc1AxtoQcRIxjTu9jyYHBAtkDXE+X681n4un/nX9SU52AroSRzg==}
+  /rollup@4.9.5:
+    resolution: {integrity: sha512-E4vQW0H/mbNMw2yLSqJyjtkHY9dslf/p0zuT1xehNRqUTBOFMqEjguDvqhXr7N7r/4ttb2jr4T41d3dncmIgbQ==}
     engines: {node: '>=18.0.0', npm: '>=8.0.0'}
     hasBin: true
     dependencies:
       '@types/estree': 1.0.5
     optionalDependencies:
-      '@rollup/rollup-android-arm-eabi': 4.9.3
-      '@rollup/rollup-android-arm64': 4.9.3
-      '@rollup/rollup-darwin-arm64': 4.9.3
-      '@rollup/rollup-darwin-x64': 4.9.3
-      '@rollup/rollup-linux-arm-gnueabihf': 4.9.3
-      '@rollup/rollup-linux-arm64-gnu': 4.9.3
-      '@rollup/rollup-linux-arm64-musl': 4.9.3
-      '@rollup/rollup-linux-riscv64-gnu': 4.9.3
-      '@rollup/rollup-linux-x64-gnu': 4.9.3
-      '@rollup/rollup-linux-x64-musl': 4.9.3
-      '@rollup/rollup-win32-arm64-msvc': 4.9.3
-      '@rollup/rollup-win32-ia32-msvc': 4.9.3
-      '@rollup/rollup-win32-x64-msvc': 4.9.3
+      '@rollup/rollup-android-arm-eabi': 4.9.5
+      '@rollup/rollup-android-arm64': 4.9.5
+      '@rollup/rollup-darwin-arm64': 4.9.5
+      '@rollup/rollup-darwin-x64': 4.9.5
+      '@rollup/rollup-linux-arm-gnueabihf': 4.9.5
+      '@rollup/rollup-linux-arm64-gnu': 4.9.5
+      '@rollup/rollup-linux-arm64-musl': 4.9.5
+      '@rollup/rollup-linux-riscv64-gnu': 4.9.5
+      '@rollup/rollup-linux-x64-gnu': 4.9.5
+      '@rollup/rollup-linux-x64-musl': 4.9.5
+      '@rollup/rollup-win32-arm64-msvc': 4.9.5
+      '@rollup/rollup-win32-ia32-msvc': 4.9.5
+      '@rollup/rollup-win32-x64-msvc': 4.9.5
       fsevents: 2.3.3
     dev: true
 
@@ -3312,6 +3816,16 @@ packages:
     resolution: {integrity: sha512-4R309+gWflJktzPXBQCobbWEHlzC4aK3a+Ov3tz2Ib2aBxiwd11phkdIBH1l0EO22x24CJMUQkpKFumRriCSRg==}
     dev: true
 
+  /safe-array-concat@1.0.1:
+    resolution: {integrity: sha512-6XbUAseYE2KtOuGueyeobCySj9L4+66Tn6KQMOPQJrAJEowYKW/YR/MGJZl7FdydUdaFu4LYyDZjxf4/Nmo23Q==}
+    engines: {node: '>=0.4'}
+    dependencies:
+      call-bind: 1.0.5
+      get-intrinsic: 1.2.2
+      has-symbols: 1.0.3
+      isarray: 2.0.5
+    dev: true
+
   /safe-buffer@5.1.2:
     resolution: {integrity: sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==}
     dev: true
@@ -3320,6 +3834,15 @@ packages:
     resolution: {integrity: sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==}
     dev: true
 
+  /safe-regex-test@1.0.2:
+    resolution: {integrity: sha512-83S9w6eFq12BBIJYvjMux6/dkirb8+4zJRA9cxNBVb7Wq5fJBW+Xze48WqR8pxua7bDuAaaAxtVVd4Idjp1dBQ==}
+    engines: {node: '>= 0.4'}
+    dependencies:
+      call-bind: 1.0.5
+      get-intrinsic: 1.2.2
+      is-regex: 1.1.4
+    dev: true
+
   /safer-buffer@2.1.2:
     resolution: {integrity: sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==}
     dev: true
@@ -3351,6 +3874,25 @@ packages:
       type-fest: 2.19.0
     dev: true
 
+  /set-function-length@1.1.1:
+    resolution: {integrity: sha512-VoaqjbBJKiWtg4yRcKBQ7g7wnGnLV3M8oLvVWwOk2PdYY6PEFegR1vezXR0tw6fZGF9csVakIRjrJiy2veSBFQ==}
+    engines: {node: '>= 0.4'}
+    dependencies:
+      define-data-property: 1.1.1
+      get-intrinsic: 1.2.2
+      gopd: 1.0.1
+      has-property-descriptors: 1.0.1
+    dev: true
+
+  /set-function-name@2.0.1:
+    resolution: {integrity: sha512-tMNCiqYVkXIZgc2Hnoy2IvC/f8ezc5koaRFkCjrpWzGpCd3qbZXPzVy9MAZzK1ch/X0jvSkojys3oqJN0qCmdA==}
+    engines: {node: '>= 0.4'}
+    dependencies:
+      define-data-property: 1.1.1
+      functions-have-names: 1.2.3
+      has-property-descriptors: 1.0.1
+    dev: true
+
   /setimmediate@1.0.5:
     resolution: {integrity: sha512-MATJdZp8sLqDl/68LfQmbP8zKPLQNV6BIZoIgrscFDQ+RsvK/BxeDQOgyxKKoh0y/8h3BqVFnCqQ/gd+reiIXA==}
     dev: true
@@ -3367,6 +3909,14 @@ packages:
     engines: {node: '>=8'}
     dev: true
 
+  /side-channel@1.0.4:
+    resolution: {integrity: sha512-q5XPytqFEIKHkGdiMIrY10mvLRvnQh42/+GoBlFW3b2LXLE2xxJpZFdm94we0BaoV3RwJyGqg5wS7epxTv0Zvw==}
+    dependencies:
+      call-bind: 1.0.5
+      get-intrinsic: 1.2.2
+      object-inspect: 1.13.1
+    dev: true
+
   /siginfo@2.0.0:
     resolution: {integrity: sha512-ybx0WO1/8bSBLEWXZvEd7gMW3Sn3JFlW3TvX1nREbDLRNQNaeNN8WK0meBwPdAaOI7TtRRRJn/Es1zhrrCHu7g==}
     dev: true
@@ -3477,6 +4027,45 @@ packages:
       strip-ansi: 7.1.0
     dev: true
 
+  /string.prototype.matchall@4.0.10:
+    resolution: {integrity: sha512-rGXbGmOEosIQi6Qva94HUjgPs9vKW+dkG7Y8Q5O2OYkWL6wFaTRZO8zM4mhP94uX55wgyrXzfS2aGtGzUL7EJQ==}
+    dependencies:
+      call-bind: 1.0.5
+      define-properties: 1.2.1
+      es-abstract: 1.22.3
+      get-intrinsic: 1.2.2
+      has-symbols: 1.0.3
+      internal-slot: 1.0.6
+      regexp.prototype.flags: 1.5.1
+      set-function-name: 2.0.1
+      side-channel: 1.0.4
+    dev: true
+
+  /string.prototype.trim@1.2.8:
+    resolution: {integrity: sha512-lfjY4HcixfQXOfaqCvcBuOIapyaroTXhbkfJN3gcB1OtyupngWK4sEET9Knd0cXd28kTUqu/kHoV4HKSJdnjiQ==}
+    engines: {node: '>= 0.4'}
+    dependencies:
+      call-bind: 1.0.5
+      define-properties: 1.2.1
+      es-abstract: 1.22.3
+    dev: true
+
+  /string.prototype.trimend@1.0.7:
+    resolution: {integrity: sha512-Ni79DqeB72ZFq1uH/L6zJ+DKZTkOtPIHovb3YZHQViE+HDouuU4mBrLOLDn5Dde3RF8qw5qVETEjhu9locMLvA==}
+    dependencies:
+      call-bind: 1.0.5
+      define-properties: 1.2.1
+      es-abstract: 1.22.3
+    dev: true
+
+  /string.prototype.trimstart@1.0.7:
+    resolution: {integrity: sha512-NGhtDFu3jCEm7B4Fy0DpLewdJQOZcQ0rGbwQ/+stjnrp2i+rlKeCvos9hOIeCmqwratM47OBxY7uFZzjxHXmrg==}
+    dependencies:
+      call-bind: 1.0.5
+      define-properties: 1.2.1
+      es-abstract: 1.22.3
+    dev: true
+
   /string_decoder@1.1.1:
     resolution: {integrity: sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==}
     dependencies:
@@ -3562,8 +4151,8 @@ packages:
       minimatch: 3.1.2
     dev: true
 
-  /test-page-opener@1.0.3:
-    resolution: {integrity: sha512-vHDT/nd39MhUS5ScCAZtdDKsbHN+e7954lIBeKYk/Ei7bBE6dwROPJs9b4tPHjmWjOcL6TT+6Pivhss2Oz7Jzg==}
+  /test-page-opener@1.0.5:
+    resolution: {integrity: sha512-KglC6Rbauoy9Rr106TVYPmxA24r13a/xODd229s/1XowaJkmya/NlTtKIY6tkw8eIoAqzHBbDwhSBVwDIXuBEw==}
     engines: {node: '>= 18.0.0'}
     dependencies:
       istanbul-lib-coverage: 3.2.2
@@ -3673,12 +4262,54 @@ packages:
     engines: {node: '>=12.20'}
     dev: true
 
+  /typed-array-buffer@1.0.0:
+    resolution: {integrity: sha512-Y8KTSIglk9OZEr8zywiIHG/kmQ7KWyjseXs1CbSo8vC42w7hg2HgYTxSWwP0+is7bWDc1H+Fo026CpHFwm8tkw==}
+    engines: {node: '>= 0.4'}
+    dependencies:
+      call-bind: 1.0.5
+      get-intrinsic: 1.2.2
+      is-typed-array: 1.1.12
+    dev: true
+
+  /typed-array-byte-length@1.0.0:
+    resolution: {integrity: sha512-Or/+kvLxNpeQ9DtSydonMxCx+9ZXOswtwJn17SNLvhptaXYDJvkFFP5zbfU/uLmvnBJlI4yrnXRxpdWH/M5tNA==}
+    engines: {node: '>= 0.4'}
+    dependencies:
+      call-bind: 1.0.5
+      for-each: 0.3.3
+      has-proto: 1.0.1
+      is-typed-array: 1.1.12
+    dev: true
+
+  /typed-array-byte-offset@1.0.0:
+    resolution: {integrity: sha512-RD97prjEt9EL8YgAgpOkf3O4IF9lhJFr9g0htQkm0rchFp/Vx7LW5Q8fSXXub7BXAODyUQohRMyOc3faCPd0hg==}
+    engines: {node: '>= 0.4'}
+    dependencies:
+      available-typed-arrays: 1.0.5
+      call-bind: 1.0.5
+      for-each: 0.3.3
+      has-proto: 1.0.1
+      is-typed-array: 1.1.12
+    dev: true
+
+  /typed-array-length@1.0.4:
+    resolution: {integrity: sha512-KjZypGq+I/H7HI5HlOoGHkWUUGq+Q0TPhQurLbyrVrvnKTBgzLhIJ7j6J/XTQOi0d1RjyZ0wdas8bKs2p0x3Ng==}
+    dependencies:
+      call-bind: 1.0.5
+      for-each: 0.3.3
+      is-typed-array: 1.1.12
+    dev: true
+
   /typescript@5.3.3:
     resolution: {integrity: sha512-pXWcraxM0uxAS+tN0AG/BF2TyqmHO014Z070UsJ+pFvYuRSq8KH8DmWpnbXe0pEPDHXZV3FcAbJkijJ5oNEnWw==}
     engines: {node: '>=14.17'}
     hasBin: true
     dev: true
 
+  /uc.micro@1.0.6:
+    resolution: {integrity: sha512-8Y75pvTYkLJW2hWQHXxoqRgV7qb9B+9vFEtidML+7koHUFapnVJAZ6cKs+Qjz5Aw3aZWHMC6u0wJE3At+nSGwA==}
+    dev: true
+
   /ufo@1.3.2:
     resolution: {integrity: sha512-o+ORpgGwaYQXgqGDwd+hkS4PuZ3QnmqMMxRuajK/a38L6fTpcE5GPIfrf+L/KemFzfUpeUQc1rRS1iDBozvnFA==}
     dev: true
@@ -3691,6 +4322,15 @@ packages:
     dev: true
     optional: true
 
+  /unbox-primitive@1.0.2:
+    resolution: {integrity: sha512-61pPlCD9h51VoreyJ0BReideM3MDKMKnh6+V9L08331ipq6Q8OFXZYiqP6n/tbHx4s5I9uRhcye6BrbkizkBDw==}
+    dependencies:
+      call-bind: 1.0.5
+      has-bigints: 1.0.2
+      has-symbols: 1.0.3
+      which-boxed-primitive: 1.0.2
+    dev: true
+
   /unbzip2-stream@1.4.3:
     resolution: {integrity: sha512-mlExGW4w71ebDJviH16lQLtZS32VKqsSfk80GCfUlwT/4/hNRFsoscrF/c++9xinkMzECL1uL9DDwXqFWkruPg==}
     dependencies:
@@ -3698,6 +4338,10 @@ packages:
       through: 2.3.8
     dev: true
 
+  /underscore@1.13.6:
+    resolution: {integrity: sha512-+A5Sja4HP1M08MaXya7p5LvjuM7K6q/2EaC0+iovj/wOcMsTzMvDFbasi/oSapiwOlt252IqsKqPjCl7huKS0A==}
+    dev: true
+
   /undici-types@5.26.5:
     resolution: {integrity: sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==}
     dev: true
@@ -3764,19 +4408,19 @@ packages:
     resolution: {integrity: sha512-/EH/sDgxU2eGxajKdwLCDmQ4FWq+kpi3uCmBGpw1xJtnAxEjlD8j8PEiGWpCIMIs3ciNAgH0d3TTJiUkYzyZjA==}
     engines: {node: '>=10.12.0'}
     dependencies:
-      '@jridgewell/trace-mapping': 0.3.20
+      '@jridgewell/trace-mapping': 0.3.21
       '@types/istanbul-lib-coverage': 2.0.6
       convert-source-map: 2.0.0
     dev: true
 
-  /vite-node@1.1.3:
-    resolution: {integrity: sha512-BLSO72YAkIUuNrOx+8uznYICJfTEbvBAmWClY3hpath5+h1mbPS5OMn42lrTxXuyCazVyZoDkSRnju78GiVCqA==}
+  /vite-node@1.2.0:
+    resolution: {integrity: sha512-ETnQTHeAbbOxl7/pyBck9oAPZZZo+kYnFt1uQDD+hPReOc+wCjXw4r4jHriBRuVDB5isHmPXxrfc1yJnfBERqg==}
     engines: {node: ^18.0.0 || >=20.0.0}
     hasBin: true
     dependencies:
       cac: 6.7.14
       debug: 4.3.4
-      pathe: 1.1.1
+      pathe: 1.1.2
       picocolors: 1.0.0
       vite: 5.0.11
     transitivePeerDependencies:
@@ -3820,13 +4464,13 @@ packages:
     dependencies:
       esbuild: 0.19.11
       postcss: 8.4.33
-      rollup: 4.9.3
+      rollup: 4.9.5
     optionalDependencies:
       fsevents: 2.3.3
     dev: true
 
-  /vitest@1.1.3(@vitest/browser@1.1.3)(@vitest/ui@1.1.3)(jsdom@23.1.0):
-    resolution: {integrity: sha512-2l8om1NOkiA90/Y207PsEvJLYygddsOyr81wLQ20Ra8IlLKbyQncWsGZjnbkyG2KwwuTXLQjEPOJuxGMG8qJBQ==}
+  /vitest@1.2.0(@vitest/browser@1.2.0)(@vitest/ui@1.2.0)(jsdom@23.2.0):
+    resolution: {integrity: sha512-Ixs5m7BjqvLHXcibkzKRQUvD/XLw0E3rvqaCMlrm/0LMsA0309ZqYvTlPzkhh81VlEyVZXFlwWnkhb6/UMtcaQ==}
     engines: {node: ^18.0.0 || >=20.0.0}
     hasBin: true
     peerDependencies:
@@ -3850,29 +4494,29 @@ packages:
       jsdom:
         optional: true
     dependencies:
-      '@vitest/browser': 1.1.3(vitest@1.1.3)(webdriverio@8.27.0)
-      '@vitest/expect': 1.1.3
-      '@vitest/runner': 1.1.3
-      '@vitest/snapshot': 1.1.3
-      '@vitest/spy': 1.1.3
-      '@vitest/ui': 1.1.3(vitest@1.1.3)
-      '@vitest/utils': 1.1.3
-      acorn-walk: 8.3.1
+      '@vitest/browser': 1.2.0(vitest@1.2.0)(webdriverio@8.27.2)
+      '@vitest/expect': 1.2.0
+      '@vitest/runner': 1.2.0
+      '@vitest/snapshot': 1.2.0
+      '@vitest/spy': 1.2.0
+      '@vitest/ui': 1.2.0(vitest@1.2.0)
+      '@vitest/utils': 1.2.0
+      acorn-walk: 8.3.2
       cac: 6.7.14
-      chai: 4.4.0
+      chai: 4.4.1
       debug: 4.3.4
       execa: 8.0.1
-      jsdom: 23.1.0
+      jsdom: 23.2.0
       local-pkg: 0.5.0
       magic-string: 0.30.5
-      pathe: 1.1.1
+      pathe: 1.1.2
       picocolors: 1.0.0
       std-env: 3.7.0
       strip-literal: 1.3.0
       tinybench: 2.5.1
       tinypool: 0.8.1
       vite: 5.0.11
-      vite-node: 1.1.3
+      vite-node: 1.2.0
       why-is-node-running: 2.2.2
     transitivePeerDependencies:
       - less
@@ -3908,17 +4552,17 @@ packages:
     engines: {node: '>= 8'}
     dev: true
 
-  /webdriver@8.27.0:
-    resolution: {integrity: sha512-n1IA+rR3u84XxU9swiKUM06BkEC0GDimfZkBML57cny+utQOUbdM/mBpqCUnkWX/RBz/p2EfHdKNyOs3/REaog==}
+  /webdriver@8.27.2:
+    resolution: {integrity: sha512-vY2Lr0ZNr83n0v8PjLCXtJwR9E7QGycJVS+ev2G72gI54/rFwLv58HMSbJNn8CtE27VkhtewMUPlDpSkj5wGPQ==}
     engines: {node: ^16.13 || >=18}
     dependencies:
-      '@types/node': 20.10.6
+      '@types/node': 20.11.0
       '@types/ws': 8.5.10
-      '@wdio/config': 8.27.0
+      '@wdio/config': 8.27.2
       '@wdio/logger': 8.24.12
       '@wdio/protocols': 8.24.12
-      '@wdio/types': 8.27.0
-      '@wdio/utils': 8.27.0
+      '@wdio/types': 8.27.2
+      '@wdio/utils': 8.27.2
       deepmerge-ts: 5.1.0
       got: 12.6.1
       ky: 0.33.3
@@ -3929,8 +4573,8 @@ packages:
       - utf-8-validate
     dev: true
 
-  /webdriverio@8.27.0(typescript@5.3.3):
-    resolution: {integrity: sha512-Qh5VCiBjEmxnmXcL1QEFoDzFqTtaWKrXriuU5G0yHKCModGAt2G7IHTkAok3CpmkVJfZpEvY630aP1MvgDtFhw==}
+  /webdriverio@8.27.2(typescript@5.3.3):
+    resolution: {integrity: sha512-X6PhKE8e8XsB33Q/KSS1zYKP2Rqkq2Nef0YKOhQO+5OTlTkeqMCjnEtyRcfmdtfAwT0DEFqMnGnUKEbTajFC4Q==}
     engines: {node: ^16.13 || >=18}
     peerDependencies:
       devtools: ^8.14.0
@@ -3938,18 +4582,18 @@ packages:
       devtools:
         optional: true
     dependencies:
-      '@types/node': 20.10.6
-      '@wdio/config': 8.27.0
+      '@types/node': 20.11.0
+      '@wdio/config': 8.27.2
       '@wdio/logger': 8.24.12
       '@wdio/protocols': 8.24.12
       '@wdio/repl': 8.24.12
-      '@wdio/types': 8.27.0
-      '@wdio/utils': 8.27.0
+      '@wdio/types': 8.27.2
+      '@wdio/utils': 8.27.2
       archiver: 6.0.1
       aria-query: 5.3.0
       css-shorthand-properties: 1.1.1
       css-value: 0.0.1
-      devtools-protocol: 0.0.1237913
+      devtools-protocol: 0.0.1239539
       grapheme-splitter: 1.0.4
       import-meta-resolve: 4.0.0
       is-plain-obj: 4.1.0
@@ -3961,7 +4605,7 @@ packages:
       resq: 1.11.0
       rgb2hex: 0.2.5
       serialize-error: 11.0.3
-      webdriver: 8.27.0
+      webdriver: 8.27.2
     transitivePeerDependencies:
       - bufferutil
       - encoding
@@ -4006,6 +4650,27 @@ packages:
       webidl-conversions: 3.0.1
     dev: true
 
+  /which-boxed-primitive@1.0.2:
+    resolution: {integrity: sha512-bwZdv0AKLpplFY2KZRX6TvyuN7ojjr7lwkg6ml0roIy9YeuSr7JS372qlNW18UQYzgYK9ziGcerWqZOmEn9VNg==}
+    dependencies:
+      is-bigint: 1.0.4
+      is-boolean-object: 1.1.2
+      is-number-object: 1.0.7
+      is-string: 1.0.7
+      is-symbol: 1.0.4
+    dev: true
+
+  /which-typed-array@1.1.13:
+    resolution: {integrity: sha512-P5Nra0qjSncduVPEAr7xhoF5guty49ArDTwzJ/yNuPIbZppyRxFQsRCWrocxIY+CnMVG+qfbU2FmDKyvSGClow==}
+    engines: {node: '>= 0.4'}
+    dependencies:
+      available-typed-arrays: 1.0.5
+      call-bind: 1.0.5
+      for-each: 0.3.3
+      gopd: 1.0.1
+      has-tostringtag: 1.0.0
+    dev: true
+
   /which@2.0.2:
     resolution: {integrity: sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==}
     engines: {node: '>= 8'}
@@ -4092,6 +4757,10 @@ packages:
     resolution: {integrity: sha512-JZnDKK8B0RCDw84FNdDAIpZK+JuJw+s7Lz8nksI7SIuU3UXJJslUthsi+uWBUYOwPFwW7W7PRLRfUKpxjtjFCw==}
     dev: true
 
+  /xmlcreate@2.0.4:
+    resolution: {integrity: sha512-nquOebG4sngPmGPICTS5EnxqhKbCmz5Ox5hsszI2T6U5qdrJizBc+0ilYSEjTSzU0yZcmvppztXe/5Al5fUwdg==}
+    dev: true
+
   /y18n@5.0.8:
     resolution: {integrity: sha512-0pfFzegeDWJHJIAmTLRP2DwHjdF5s7jo9tuztdQxAhINCdvS+3nGINqPd00AphqJR/0LhANUS6/+7SCb98YOfA==}
     engines: {node: '>=10'}
diff --git a/strcalc/src/main/frontend/test/fetch-stub.js b/strcalc/src/main/frontend/test/fetch-stub.js
index 9f0164f..a8f35b4 100644
--- a/strcalc/src/main/frontend/test/fetch-stub.js
+++ b/strcalc/src/main/frontend/test/fetch-stub.js
@@ -14,17 +14,18 @@ import {vi} from 'vitest'
  * after every test.
  * @see https://developer.mozilla.org/docs/Web/API/Fetch_API/Using_Fetch
  * @see https://developer.mozilla.org/docs/Web/API/Response/Response
- * @param {object} body - an object defining a body for the response
- * @param {object} options - optional values to include in the response
- * @param {object} options.status - HTTP status code of the response
- * @param {object} options.statusText - text accompanying the status response
- * @param {object} options.headers - HTTP Headers to include with the response
+ * @param {(object | string)} body - object or string defining a body for the
+ *   response
+ * @param {ResponseInit} [options] - optional values to include in the response
  * @returns {Function} - a vi.fn() stub configured to return a Response once
  */
 export default function setupFetchStub(body, options) {
   const fetchStub = vi.fn()
+  const responseBody = typeof body === 'object' ? JSON.stringify(body) : body
 
-  fetchStub.mockReturnValueOnce(Promise.resolve(new Response(body, options)))
+  fetchStub.mockReturnValueOnce(
+    Promise.resolve(new Response(responseBody, options))
+  )
   vi.stubGlobal('fetch', fetchStub)
   return fetchStub
 }
diff --git a/strcalc/src/main/frontend/test/main-missing-app-div.test.js b/strcalc/src/main/frontend/test/main-missing-app-div.test.js
new file mode 100644
index 0000000..67a1a73
--- /dev/null
+++ b/strcalc/src/main/frontend/test/main-missing-app-div.test.js
@@ -0,0 +1,29 @@
+/* eslint-env browser, node, jest, vitest */
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ */
+import { afterEach, beforeAll, describe, expect, test, vi } from 'vitest'
+import TestPageOpener from 'test-page-opener'
+
+const inBrowser = globalThis.window !== undefined
+
+describe.skipIf(inBrowser)('String Calculator UI missing root element', () => {
+  /** @type {TestPageOpener} */
+  let opener
+
+  beforeAll(async () => {opener = await TestPageOpener.create('/strcalc/')})
+  afterEach(() => opener.closeAll())
+
+  test('logs error if missing app div', async () => {
+    const pagePath = 'test/missing.html'
+    const consoleSpy = vi.spyOn(console, 'error')
+      .mockImplementationOnce(() => {})
+
+    const { close } = await opener.open(pagePath)
+    close()
+
+    expect(consoleSpy).toBeCalledWith('missing #app element')
+  })
+})
diff --git a/strcalc/src/main/frontend/test/missing.html b/strcalc/src/main/frontend/test/missing.html
new file mode 100644
index 0000000..6192f57
--- /dev/null
+++ b/strcalc/src/main/frontend/test/missing.html
@@ -0,0 +1,15 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at https://mozilla.org/MPL/2.0/. -->
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Test Page for missing app div</title>
+    <script type="module" src="../main.js"></script>
+  </head>
+  <body>
+    <div id="not-the-div-you're-looking-for"></div>
+  </body>
+</html>
diff --git a/strcalc/src/main/frontend/test/page.js b/strcalc/src/main/frontend/test/page.js
index 1b81d91..e1abc3f 100644
--- a/strcalc/src/main/frontend/test/page.js
+++ b/strcalc/src/main/frontend/test/page.js
@@ -18,9 +18,19 @@ export default class StringCalculatorPage {
   appElem
   #select
 
+  /**
+   * @param {Element} appElem - root element of the StringCalculator application
+   * @param {Document} doc - Document object containing the application
+   */
   constructor(appElem, doc = document) {
     this.appElem = appElem
-    this.#select = sel => doc.querySelector(`#${appElem.id} ${sel}`)
+
+    /**
+     * @param {string} sel - argument for Document.querySelector()
+     * @returns {(Element | {})} - the selected element from the doc, or an
+     *   empty object if not found
+     */
+    this.#select = sel => (doc.querySelector(`#${appElem.id} ${sel}`) || {})
   }
 
   static new() {
@@ -33,28 +43,69 @@ export default class StringCalculatorPage {
   clear() { this.appElem.replaceChildren() }
   remove() { this.appElem.remove() }
 
-  title() { return this.#select('.title a') }
-  form() { return this.#select('form') }
-  input() { return this.#select('form input[name="numbers"]') }
-  submit() { return this.#select('form input[type="submit"]') }
-  result() { return this.#select('.result p') }
+  title() {
+    return /** @type {HTMLAnchorElement} */ (this.#select('.title a'))
+  }
+
+  form() {
+    return /** @type {HTMLFormElement} */ (this.#select('form'))
+  }
+
+  input() {
+    return /** @type {HTMLInputElement} */ (
+      this.#select('form input[name="numbers"]')
+    )
+  }
+
+  impl() {
+    return /** @type {HTMLInputElement} */ (
+      this.#select('form input[name="impl"]:checked')
+    )
+  }
+
+  submitButton() {
+    return /** @type {HTMLInputElement} */ (
+      this.#select('form input[type="submit"]')
+    )
+  }
+
+  result() {
+    return /** @type {HTMLParagraphElement} */ (this.#select('.result p'))
+  }
+
+  /**
+   * @callback SubmitCallback
+   * @returns {Promise<string>} the StringCalculator result
+   * @throws {Error} if the .result element is missing
+   * @throws {string} if the result field hasn't changed
+   */
 
+  /**
+   * @param {string} value - input value for the StringCalculator UI
+   * @returns {SubmitCallback} - the StringCalculator result
+   */
   enterValueAndSubmit(value) {
     const orig = this.result().textContent
 
     this.input().value = value
-
-    // You would _think_ that this.submit().click() would submit the form...
-    // Nope:
-    // - https://developer.mozilla.org/docs/Web/API/HTMLFormElement/requestSubmit
-    this.form().requestSubmit(this.submit())
+    this.doSubmit()
 
     return async () => {
       const result = this.result().textContent
+      if (result === null) throw new Error('missing .result element')
       if (result === orig) {
         return Promise.reject(`Result field hasn't changed: ${orig}`)
       }
       return Promise.resolve(result)
     }
   }
+
+  /**
+   * Submits the form via HTMLFormElement.requestSubmit()
+   * You would _think_ that this.submit().click() would submit the form... Nope.
+   * @see https://developer.mozilla.org/docs/Web/API/HTMLFormElement/requestSubmit
+   */
+  doSubmit() {
+    this.form().requestSubmit(this.submitButton())
+  }
 }