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import { dirname } from 'https://deno.land/std@0.93.0/path/mod.ts'import { getAlephPkgUri, getRelativePath, toLocalUrl } from '../../server/helper.ts'import util from '../../shared/util.ts'import type { ServerApplication } from '../../types.ts'
export async function init(app: ServerApplication) {  if (app.mode === 'development') {    const alephPkgUri = getAlephPkgUri()    app.injectCode('hmr', (url: string, code: string) => {      if (code.includes('$RefreshReg$(')) {        const refreshModuleUrl = getRelativePath(          dirname(toLocalUrl(url)),          toLocalUrl(`${alephPkgUri}/framework/react/refresh.js`)        )        return [          `import { RefreshRuntime, performReactRefresh } from ${JSON.stringify(refreshModuleUrl)};`,          '',          'const prevRefreshReg = window.$RefreshReg$;',          'const prevRefreshSig = window.$RefreshSig$;',          `window.$RefreshReg$ = (type, id) => RefreshRuntime.register(type, ${JSON.stringify(url)} + "#" + id);`,          'window.$RefreshSig$ = RefreshRuntime.createSignatureFunctionForTransform;',          '',          util.trimSuffix(code.trim(), 'import.meta.hot.accept();'),          'window.$RefreshReg$ = prevRefreshReg;',          'window.$RefreshSig$ = prevRefreshSig;',          'import.meta.hot.accept(performReactRefresh);'        ].join('\n')      }      return code    })    app.injectCode('compilation', (url: string, code: string) => {      if (url === '/main.js') {        return [          `import ".${toLocalUrl(`${alephPkgUri}/framework/react/refresh.js`)}";`,          code        ].join('\n')      }      return code    })    await app.addModule(`${alephPkgUri}/framework/react/refresh.ts`)    Object.assign(globalThis, {      $RefreshReg$: () => { },      $RefreshSig$: () => (type: any) => type,    })  }}