refactor: add TranslatorManager

src/libs/shadowDomManager.js

@@ -0,0 +1,128 @@
+import React from "react";
+import ReactDOM from "react-dom/client";
+import { CacheProvider } from "@emotion/react";
+import createCache from "@emotion/cache";
+import { logger } from "./log";
+
+export default class ShadowDomManager {
+  #hostElement = null;
+  #reactRoot = null;
+  #isVisible = false;
+  #isProcessing = false;
+
+  _id;
+  _className;
+  _ReactComponent;
+  _props;
+
+  constructor({ id, className = "", reactComponent, props = {} }) {
+    if (!id || !reactComponent) {
+      throw new Error("ID and a React Component must be provided.");
+    }
+    this._id = id;
+    this._className = className;
+    this._ReactComponent = reactComponent;
+    this._props = props;
+  }
+
+  get isVisible() {
+    return this.#isVisible;
+  }
+
+  show(props) {
+    if (this.#isVisible || this.#isProcessing) {
+      return;
+    }
+
+    if (!this.#hostElement) {
+      this.#isProcessing = true;
+      try {
+        this.#mount(props || this._props);
+      } catch (error) {
+        logger.warn(`Failed to mount component with id "${this._id}":`, error);
+        this.#isProcessing = false;
+        return;
+      } finally {
+        this.#isProcessing = false;
+      }
+    }
+
+    this.#hostElement.style.display = "";
+    this.#isVisible = true;
+  }
+
+  hide() {
+    if (!this.#isVisible || !this.#hostElement) {
+      return;
+    }
+    this.#hostElement.style.display = "none";
+    this.#isVisible = false;
+  }
+
+  destroy() {
+    if (!this.#hostElement) {
+      return;
+    }
+    this.#isProcessing = true;
+
+    if (this.#reactRoot) {
+      this.#reactRoot.unmount();
+    }
+
+    this.#hostElement.remove();
+
+    this.#hostElement = null;
+    this.#reactRoot = null;
+    this.#isVisible = false;
+    this.#isProcessing = false;
+    logger.info(`Component with id "${this._id}" has been destroyed.`);
+  }
+
+  toggle(props) {
+    if (this.#isVisible) {
+      this.hide();
+    } else {
+      this.show(props || this._props);
+    }
+  }
+
+  #mount(props) {
+    const host = document.createElement("div");
+    host.id = this._id;
+    if (this._className) {
+      host.className = this._className;
+    }
+    host.style.display = "none";
+    document.body.parentElement.appendChild(host);
+    this.#hostElement = host;
+
+    const shadowContainer = host.attachShadow({ mode: "closed" });
+    const emotionRoot = document.createElement("style");
+    const appRoot = document.createElement("div");
+    appRoot.className = `${this._id}_wrapper`;
+
+    shadowContainer.appendChild(emotionRoot);
+    shadowContainer.appendChild(appRoot);
+
+    const cache = createCache({
+      key: this._id,
+      prepend: true,
+      container: emotionRoot,
+    });
+
+    const enhancedProps = {
+      ...props,
+      onClose: this.hide.bind(this),
+    };
+
+    const ComponentToRender = this._ReactComponent;
+    this.#reactRoot = ReactDOM.createRoot(appRoot);
+    this.#reactRoot.render(
+      <React.StrictMode>
+        <CacheProvider value={cache}>
+          <ComponentToRender {...enhancedProps} />
+        </CacheProvider>
+      </React.StrictMode>
+    );
+  }
+}