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esbuild.mjs
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esbuild.mjs
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//@ts-check
import * as esbuild from 'esbuild'
import fs from 'fs'
// import htmlPlugin from '@chialab/esbuild-plugin-html'
import server from './server.js'
import { clients, plugins, startWatchingHmr } from './scripts/esbuildPlugins.mjs'
import { generateSW } from 'workbox-build'
import { getSwAdditionalEntries } from './scripts/build.js'
import { build } from 'esbuild'
//@ts-ignore
try { await import('./localSettings.mjs') } catch { }
const entrypoint = 'index.ts'
fs.writeFileSync('dist/index.html', fs.readFileSync('index.html', 'utf8').replace('<!-- inject script -->', `<script src="${entrypoint.replace(/\.tsx?/, '.js')}"></script>`), 'utf8')
const watch = process.argv.includes('--watch') || process.argv.includes('-w')
const prod = process.argv.includes('--prod')
if (prod) process.env.PROD = 'true'
const dev = !prod
const banner = [
'window.global = globalThis;',
]
const buildingVersion = new Date().toISOString().split(':')[0]
/** @type {import('esbuild').BuildOptions} */
const buildOptions = {
bundle: true,
entryPoints: [`src/${entrypoint}`],
target: ['es2020'],
jsx: 'automatic',
jsxDev: dev,
// logLevel: 'debug',
logLevel: 'info',
platform: 'browser',
sourcemap: prod ? true : 'linked',
outdir: 'dist',
mainFields: [
'browser', 'module', 'main'
],
keepNames: true,
banner: {
// using \n breaks sourcemaps!
js: banner.join(';'),
},
external: [
'sharp'
],
alias: {
events: 'events', // make explicit
buffer: 'buffer',
'fs': 'browserfs/dist/shims/fs.js',
http: 'http-browserify',
perf_hooks: './src/perf_hooks_replacement.js',
crypto: './src/crypto.js',
stream: 'stream-browserify',
net: 'net-browserify',
assert: 'assert',
dns: './src/dns.js',
// todo write advancedAliases plugin
},
inject: [
'./src/shims.js'
],
metafile: true,
plugins,
sourcesContent: !process.argv.includes('--no-sources'),
minify: process.argv.includes('--minify'),
define: {
'process.env.NODE_ENV': JSON.stringify(dev ? 'development' : 'production'),
'process.env.BUILD_VERSION': JSON.stringify(!dev ? buildingVersion : 'undefined'),
'process.env.GITHUB_URL':
JSON.stringify(`https://github.com/${process.env.GITHUB_REPOSITORY || `${process.env.VERCEL_GIT_REPO_OWNER}/${process.env.VERCEL_GIT_REPO_SLUG}`}`),
'process.env.DEPS_VERSIONS': JSON.stringify({})
},
loader: {
// todo use external or resolve issues with duplicating
'.png': 'dataurl',
'.svg': 'dataurl',
'.map': 'empty',
'.vert': 'text',
'.frag': 'text',
'.obj': 'text',
},
write: false,
// todo would be better to enable?
// preserveSymlinks: true,
}
if (watch) {
const ctx = await esbuild.context(buildOptions)
await ctx.watch()
startWatchingHmr()
server.app.get('/esbuild', (req, res, next) => {
res.writeHead(200, {
'Content-Type': 'text/event-stream',
'Cache-Control': 'no-cache',
Connection: 'keep-alive',
})
// Send a comment to keep the connection alive
res.write(': ping\n\n')
// Add the client response to the clients array
clients.push(res)
// Handle any client disconnection logic
res.on('close', () => {
const index = clients.indexOf(res)
if (index !== -1) {
clients.splice(index, 1)
}
})
})
} else {
const result = await build(buildOptions)
// console.log(await esbuild.analyzeMetafile(result.metafile))
if (prod) {
fs.writeFileSync('dist/version.txt', buildingVersion, 'utf-8')
const { count, size, warnings } = await generateSW({
// dontCacheBustURLsMatching: [new RegExp('...')],
globDirectory: 'dist',
skipWaiting: true,
clientsClaim: true,
additionalManifestEntries: getSwAdditionalEntries(),
globPatterns: [],
swDest: 'dist/service-worker.js',
})
}
}