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import { compile, CompileOptions } from 'https://deno.land/x/aleph@v0.2.28/tsc/compile.ts'import { colors, path, Sha1, walk } from '../deps.ts'import { initWasm, transpileSync } from './mod.ts'
function tsc(source: string, opts: any) {  const compileOptions: CompileOptions = {    mode: opts.isDev ? 'development' : 'production',    target: 'es2020',    reactRefresh: opts.isDev,    rewriteImportPath: (path: string) => path.replace('https://', '/-/'),    signUseDeno: (id: string) => {      const sig = 'useDeno.' + (new Sha1()).update(id).update('0.2.25').update(Date.now().toString()).hex().slice(0, 9)      return sig    }  }  compile(opts.filename, source, compileOptions)}
/** * colored diff * - red: 0.0 - 1.0 slower * - yellow: 1.0 - 10.0 faster * - green: >= 10.0 faster as expected */function coloredDiff(d: number) {  let cf = colors.green  if (d < 1) {    cf = colors.red  } else if (d < 10) {    cf = colors.yellow  }  return cf(d.toFixed(2) + 'x')}
async function benchmark(sourceFiles: Array<{ code: string, filename: string }>, isDev: boolean) {  console.log(`[benchmark] ${sourceFiles.length} files ${isDev ? '(development mode)' : ''}`)
  const d1 = { d: 0, min: 0, max: 0, }  const d2 = { d: 0, min: 0, max: 0, }
  for (const { code, filename } of sourceFiles) {    const t = performance.now()    for (let i = 0; i < 2; i++) {      tsc(code, { filename, isDev })    }    const d = (performance.now() - t) / 2    if (d1.min === 0 || d < d1.min) {      d1.min = d    }    if (d > d1.max) {      d1.max = d    }    d1.d += d  }  for (const { code, filename } of sourceFiles) {    const t = performance.now()    for (let i = 0; i < 2; i++) {      transpileSync(code, {        url: filename,        swcOptions: { target: 'es2020' },        isDev      })    }    const d = (performance.now() - t) / 2    if (d2.min === 0 || d < d2.min) {      d2.min = d    }    if (d > d2.max) {      d2.max = d    }    d2.d += d  }
  console.log(`tsc done in ${(d1.d / 1000).toFixed(2)}s, min in ${d1.min.toFixed(2)}ms, max in ${d1.max.toFixed(2)}ms`)  console.log(`swc done in ${(d2.d / 1000).toFixed(2)}s, min in ${d2.min.toFixed(2)}ms, max in ${d2.max.toFixed(2)}ms`)  console.log(`swc is ${coloredDiff(d1.d / d2.d)} ${d1.d > d2.d ? 'faster' : 'slower'} than tsc`)}
async function main() {  const p = Deno.run({    cmd: ['deno', 'info'],    stdout: 'piped',    stderr: 'null'  })  await initWasm((new TextDecoder).decode(await p.output()).split('"')[1])  p.close()
  const sourceFiles: Array<{ code: string, filename: string }> = []  const walkOptions = { includeDirs: false, exts: ['ts', '.tsx'], skip: [/[\._](test|d)\.tsx?$/i, /\/compiler\//] }  for await (const { path: filename } of walk(path.resolve('..'), walkOptions)) {    sourceFiles.push({ code: await Deno.readTextFile(filename), filename })  }
  await benchmark(sourceFiles, true)  await benchmark(sourceFiles, false)}
if (import.meta.main) {  main()}