Simplify HtmlReporterV2 initialization and boot1.js

src/html/HtmlReporterV2.js

@@ -19,12 +19,12 @@ jasmineRequire.HtmlReporterV2 = function(j$) {
    * const reporter = new jasmine.HtmlReporterV2({
    *    env,
    *    urls,
-   *    getContainer: () => document.body
+   *    // container is optional and defaults to document.body.
+   *    container: someElement
    * });
    */
   class HtmlReporterV2 {
-    #env;
-    #getContainer;
+    #container;
     #queryString;
     #urlBuilder;
     #filterSpecs;
@@ -41,9 +41,7 @@ jasmineRequire.HtmlReporterV2 = function(j$) {
     #failures;
 
     constructor(options) {
-      this.#env = options.env;
-
-      this.#getContainer = options.getContainer;
+      this.#container = options.container || document.body;
       this.#queryString =
         options.queryString ||
         new j$.QueryString({
@@ -56,16 +54,8 @@ jasmineRequire.HtmlReporterV2 = function(j$) {
         getSuiteById: id => this.#stateBuilder.suitesById[id]
       });
       this.#filterSpecs = options.urls.filteringSpecs();
-    }
 
-    /**
-     * Initializes the reporter. Should be called before {@link Env#execute}.
-     * @function
-     * @name HtmlReporter#initialize
-     */
-    initialize() {
-      this.#clearPrior();
-      this.#config = this.#env ? this.#env.configuration() : {};
+      this.#config = options.env ? options.env.configuration() : {};
 
       this.#stateBuilder = new j$.private.ResultsStateBuilder();
 
@@ -106,7 +96,7 @@ jasmineRequire.HtmlReporterV2 = function(j$) {
         this.#alerts.rootEl,
         this.#failures.rootEl
       );
-      this.#getContainer().appendChild(this.#htmlReporterMain);
+      this.#container.appendChild(this.#htmlReporterMain);
       this.#failures.show();
     }
 
@@ -199,19 +189,11 @@ jasmineRequire.HtmlReporterV2 = function(j$) {
     }
 
     #find(selector) {
-      return this.#getContainer().querySelector(
+      return this.#container.querySelector(
         '.jasmine_html-reporter ' + selector
       );
     }
 
-    #clearPrior() {
-      const oldReporter = this.#find('');
-
-      if (oldReporter) {
-        this.#getContainer().removeChild(oldReporter);
-      }
-    }
-
     #setMenuModeTo(mode) {
       this.#htmlReporterMain.setAttribute(
         'class',