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#!/usr/bin/env bun |
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import { serve, file } from 'bun' |
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import { resolve, join, dirname, basename } from 'node:path' |
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import { cwd, argv } from 'node:process' |
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import { writeFile, constants, access, stat, rm } from 'node:fs/promises' |
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var libPath = resolve(cwd(), argv[2]?.trim?.() || 'lib') |
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if (libPath.endsWith(join('lib', 'lib'))) ( |
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(libPath = resolve(libPath, '..')) |
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) |
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var libDirName = basename(libPath) |
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var pkgPath = dirname(libPath) |
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var pkgDirName = basename(pkgPath) |
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var pkgName = (await import(join(pkgPath, 'package.json'))).default.name |
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var playgroundHtml = `<!DOCTYPE html> |
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<script type="module"> |
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import * as api from '/${libDirName}/index.js' |
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globalThis.${pkgDirName} = api |
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document.title = '${pkgName} Library' |
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Object.assign(document.body.style, { background: '#242424', color: '#dbdbdb' }) |
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</script> |
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` |
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var playgroundHtmlPath = join(pkgPath, 'playground.html') |
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await writeFile(playgroundHtmlPath, playgroundHtml) |
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var server = serve({ |
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async fetch (req) { |
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var |
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filePath = join(pkgPath, (new URL(req.url)).pathname) |
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,blob |
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try { |
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await access(filePath, constants.R_OK) |
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if (!((await stat(filePath)).isDirectory())) ( |
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blob = file(filePath) |
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) |
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else ( |
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(filePath = join(filePath, 'index.html')) |
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,await access(filePath, constants.R_OK) |
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,(blob = file(filePath)) |
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) |
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} catch (error) { |
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blob = file(playgroundHtmlPath) |
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} |
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return new Response(blob) |
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} |
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}) |
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globalThis.process.once('SIGINT', () => ( |
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server.stop() |
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,rm(playgroundHtmlPath) |
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)) |
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console.log(` Playground served (${pkgName})\n at ${server.url.origin}\n as globalThis.${pkgDirName}`) |
