123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120
import { React, ReactDOMServer } from "../deps/react.ts";import loader from "../core/loaders/module.ts";import { merge } from "../core/utils.ts";
import type { Data, DenoConfigResult, Engine, Helper, Site } from "../core.ts";
export interface Options {  /** The list of extensions this plugin applies to */  extensions:    | string[]    | {      pages: string[];      components: string[];    };}
// Default optionsexport const defaults: Options = {  extensions: [".jsx", ".tsx"],};
// JSX children typeexport type Children = React.ReactNode | React.ReactNode[];
// Ensure React is available in the global scope// so no need to import it in every filewindow.React ||= React;
/** Template engine to render JSX files */export class JsxEngine implements Engine {  helpers: Record<string, Helper> = {};  basePath: string;
  constructor(basePath: string) {    this.basePath = basePath;  }
  deleteCache() {}
  async render(content: unknown, data: Data = {}) {    // The content is a string, so we have to convert to a React element    if (typeof content === "string") {      content = React.createElement("div", {        dangerouslySetInnerHTML: { __html: content },      });    }
    // Create the children property    let children = data.content;
    // If the children is a string, convert it to a React element    if (typeof children === "string") {      children = React.createElement("div", {        dangerouslySetInnerHTML: { __html: children },      });    }
    const element = typeof content === "object" && React.isValidElement(content)      ? content      : ((typeof content === "function"        ? await content({ ...data, children }, this.helpers)        : content) as React.ReactElement);
    if (React.isValidElement(element)) {      return {        ...element,        toString: () => ReactDOMServer.renderToStaticMarkup(element),      };    }
    return element;  }
  renderSync(content: unknown, data: Data = {}): { toString(): string } {    const element = typeof content === "function"      ? content(data, this.helpers)      : content;
    if (React.isValidElement(element)) {      return {        ...element,        toString: () => ReactDOMServer.renderToStaticMarkup(element),      };    }
    return element;  }
  addHelper(name: string, fn: Helper) {    this.helpers[name] = fn;  }}
/** Configure this plugin on "lume init" */export function init(denoConfig: DenoConfigResult) {  denoConfig.config.compilerOptions ||= {};  denoConfig.config.compilerOptions.jsx = "react-jsx";  denoConfig.config.compilerOptions.jsxImportSource = "react";
  // Add jsx-runtime import to import_map.  denoConfig.importMap ||= { imports: {} };  denoConfig.importMap.imports["react/jsx-runtime"] =    "https://esm.sh/react@18.2.0/jsx-runtime";}
/** Register the plugin to support JSX and TSX files */export default function (userOptions?: Partial<Options>) {  const options = merge(defaults, userOptions);  const extensions = Array.isArray(options.extensions)    ? { pages: options.extensions, components: options.extensions }    : options.extensions;
  return (site: Site) => {    const engine = new JsxEngine(site.src("/"));
    site.loadPages(extensions.pages, loader, engine);    site.loadComponents(extensions.components, loader, engine);  };}