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