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import { gzipDecode } from 'https://deno.land/x/wasm_gzip@v1.0.0/mod.ts'import { ensureTextFile } from '../fs.ts'import log from '../log.ts'import { colors, ensureDir, fromStreamReader, path, Untar } from '../std.ts'import util from '../util.ts'
const gitignore = [    '.DS_Store',    'Thumbs.db',    '.aleph/',    'dist/',]
const vscExtensions = {    'recommendations': [        'denoland.vscode-deno'    ]}
const vscSettings = {    'files.eol': '\n',    'files.trimTrailingWhitespace': true,    'files.exclude': {        '**/.git': true,        '**/.DS_Store': true,        '**/Thumbs.db': true,        '**/.aleph': true    },    'deno.enable': true,    'deno.unstable': true,    'deno.import_map': './import_map.json'}
export const helpMessage = `Usage:    aleph init <dir> [...options]
<dir> represents the directory of Aleph.js app,if the <dir> is empty, the current directory will be used.
Options:    -h, --help  Prints help message`
export default async function (appDir: string, options: Record<string, string | boolean>) {    const rev = 'master'    log.info('Downloading template...')    const resp = await fetch('https://codeload.github.com/alephjs/alephjs-templates/tar.gz/' + rev)    const gzData = await Deno.readAll(fromStreamReader(resp.body!.getReader()))    log.info('Saving template...')    const tarData = gzipDecode(gzData)    const entryList = new Untar(new Deno.Buffer(tarData))
    // todo: add template select ui    let template = 'hello-world'    for await (const entry of entryList) {        if (entry.fileName.startsWith(`alephjs-templates-${rev}/${template}/`)) {            const fp = path.join(appDir, util.trimPrefix(entry.fileName, `alephjs-templates-${rev}/${template}/`))            if (entry.type === 'directory') {                await ensureDir(fp)                continue            }            await ensureTextFile(fp, '')            const file = await Deno.open(fp, { write: true })            await Deno.copy(entry, file)        }    }
    await ensureDir(path.join(appDir, '.vscode'))    await Deno.writeTextFile(path.join(appDir, '.vscode', 'extensions.json'), JSON.stringify(vscExtensions, undefined, 4))    await Deno.writeTextFile(path.join(appDir, '.vscode', 'settings.json'), JSON.stringify(vscSettings, undefined, 4))    await Deno.writeTextFile(path.join(appDir, '.gitignore'), gitignore.join('\n'))    await Deno.writeTextFile(path.join(appDir, 'import_map.json'), JSON.stringify({ imports: {} }, undefined, 4))
    log.info('Done')    log.info('---')    log.info(colors.dim('Aleph.js is ready to Go.'))    log.info(`${colors.dim('$')} cd ` + path.basename(appDir))    log.info(`${colors.dim('$')} aleph ${colors.bold('dev')}    ${colors.dim('# start the app in `development` mode')}`)    log.info(`${colors.dim('$')} aleph ${colors.bold('start')}  ${colors.dim('# start the app in `production` mode')}`)    log.info(`${colors.dim('$')} aleph ${colors.bold('build')}  ${colors.dim('# build the app to a static site (SSG)')}`)    log.info('---')    Deno.exit(0)}