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import { dim, red, yellow } from 'https://deno.land/std@0.93.0/fmt/colors.ts'import { createHash } from 'https://deno.land/std@0.93.0/hash/mod.ts'import { relative } from 'https://deno.land/std@0.93.0/path/mod.ts'import { existsDirSync } from '../shared/fs.ts'import util from '../shared/util.ts'import type { ServerPlugin, LoaderPlugin } from '../types.ts'import { VERSION } from '../version.ts'import { localProxy } from './localproxy.ts'
// @deno-types="https://deno.land/x/esbuild@v0.11.12/mod.d.ts"export { build as esbuild, stop as stopEsbuild } from 'https://deno.land/x/esbuild@v0.11.12/mod.js'
export const reLocaleID = /^[a-z]{2}(-[a-zA-Z0-9]+)?$/export const reFullVersion = /@v?\d+\.\d+\.\d+/i
export const moduleWalkOptions = {  includeDirs: false,  skip: [    /(^|\/|\\)\./,    /\.d\.ts$/i,    /(\.|_)(test|spec|e2e)\.[a-z]+$/i  ]}
// inject browser navigator polyfillObject.assign((globalThis as any).navigator, {  connection: {    downlink: 10,    effectiveType: '4g',    onchange: null,    rtt: 50,    saveData: false,  },  cookieEnabled: false,  language: 'en',  languages: ['en'],  onLine: true,  platform: Deno.build.os,  userAgent: `Deno/${Deno.version.deno}`,  vendor: 'Deno Land'})
let __denoDir: string | null = nulllet __localProxy = false
/** check whether should proxy https://deno.land/x/aleph on localhost. */export function checkAlephDev() {  const v = Deno.env.get('ALEPH_DEV')  if (v !== undefined && !__localProxy) {    localProxy(Deno.cwd(), 2020)    __localProxy = true  }}
/** check the plugin whether it is a loader. */export function isLoaderPlugin(plugin: LoaderPlugin | ServerPlugin): plugin is LoaderPlugin {  return plugin.type === 'loader'}
/** get the deno cache dir. */export async function getDenoDir() {  if (__denoDir !== null) {    return __denoDir  }
  const p = Deno.run({    cmd: [Deno.execPath(), 'info', '--json', '--unstable'],    stdout: 'piped',    stderr: 'null'  })  const output = (new TextDecoder).decode(await p.output())  const { denoDir } = JSON.parse(output)  p.close()  if (denoDir === undefined || !existsDirSync(denoDir)) {    throw new Error(`can't find the deno dir`)  }  __denoDir = denoDir  return denoDir}
/** get aleph pkg uri. */export function getAlephPkgUri() {  const DEV_PORT = Deno.env.get('ALEPH_DEV_PORT')  if (DEV_PORT) {    return `http://localhost:${DEV_PORT}`  }  return `https://deno.land/x/aleph@v${VERSION}`}
/** get relative the path of `to` to `from`. */export function getRelativePath(from: string, to: string): string {  const r = relative(from, to).split('\\').join('/')  if (!r.startsWith('.') && !r.startsWith('/')) {    return './' + r  }  return r}
/** fix remote import url to local */export function toLocalUrl(url: string): string {  if (util.isLikelyHttpURL(url)) {    let { hostname, pathname, port, protocol, search } = new URL(url)    const isHttp = protocol === 'http:'    if ((isHttp && port === '80') || (protocol === 'https:' && port === '443')) {      port = ''    }    if (search !== '') {      const a = util.splitPath(pathname)      const searchKey = btoa(search.slice(1)).replace(/[+/=]/g, '')      const basename = `[${searchKey}]${a.pop()}`      a.push(basename)      pathname = '/' + a.join('/')    }    return [      '/-/',      (isHttp ? 'http_' : ''),      hostname,      (port ? '_' + port : ''),      pathname    ].join('')  }  return util.trimPrefix(url, 'file://')}
/** compute hash of the content */export function computeHash(content: string | Uint8Array): string {  return createHash('sha1').update(content).toString()}
/** * coloring the bytes string * - dim: 0 - 1MB * - yellow: 1MB - 10MB * - red: > 10MB */export function formatBytesWithColor(bytes: number) {  let cf = dim  if (bytes > 10 << 20) { // 10MB    cf = red  } else if (bytes > 1 << 20) { // 1MB    cf = yellow  }  return cf(util.formatBytes(bytes))}