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import { denoPlugin, esbuild, resolve } from "./deps.ts";import { logger } from "./logger_util.ts";
let esbuildReady: null | Promise<void> = null;function ensureEsbuildInialized() {  if (esbuildReady) {    return esbuildReady;  }  logger.debug("Using esbuild bundler");  const timeStarted = Date.now();  return esbuildReady = esbuild.initialize({    // Note: this is dummy url    // See vendor/esbuild_build.js for details    wasmURL: "https://unpkg.com/esbuild-wasm@0.11.19/esbuild.wasm",    worker: false,  }).then(() => {    const timeEnded = Date.now();    logger.debug(`Esbuild initialized in ${timeEnded - timeStarted}ms`);  });}
export async function bundleByEsbuild(path: string): Promise<string> {  await ensureEsbuildInialized();
  const bundle = await esbuild.build({    entryPoints: [resolve(path)],    plugins: [denoPlugin()],    bundle: true,  });
  return bundle.outputFiles![0].text;}
let usingSwcLogged = false;export async function bundleBySwc(path: string): Promise<string> {  if (!usingSwcLogged) {    logger.debug("Using swc bundler");    usingSwcLogged = true;  }  const res = await Deno.emit(path, {    bundle: "classic",    check: false,  });  return res.files["deno:///bundle.js"];}