Files
cloud-cap-samples/.registry/server.js
2021-02-19 12:40:26 +01:00

72 lines
1.8 KiB
JavaScript

const { exec } = require ('child_process')
const express = require ('express')
const fs = require ('fs')
const app = express()
const { PORT=4444 } = process.env
const [,,port=PORT] = process.argv
process.chdir(__dirname)
app.use('/-/:tarball', (req,res,next) => {
console.debug ('GET', req.params)
try {
const { tarball } = req.params
const [, pkg ] = /^capire-(\w+)/.exec(tarball)
fs.lstat(tarball,(err => {
if (err) exec(`npm pack ../${pkg}`,next)
else next()
}))
} catch (e) {
console.error(e)
res.sendStatus(500)
}
})
app.use('/-', express.static(__dirname))
app.get('/*', (req,res)=>{
const url = decodeURIComponent(req.url)
console.debug ('GET',url)
try {
const [, capire, pkg ] = /^\/(@capire)\/(\w+)/.exec(url)
const package = require (`${capire}/${pkg}/package.json`)
const tarball = `capire-${pkg}-${package.version}.tgz`
// https://github.com/npm/registry/blob/master/docs/responses/package-metadata.md
res.json({
"name": package.name,
"dist-tags": {
"latest": package.version
},
"versions": {
[package.version]: {
"name": package.name,
"version": package.version,
"dist": {
"tarball": `http://localhost:${port}/-/${tarball}`
},
}
},
})
} catch (e) {
console.error(e)
res.sendStatus(404)
}
})
app.listen(port, ()=>{
console.log (`npm set @capire:registry=http://localhost:${port}`)
console.log (`@capire registry listening on http://localhost:${port}`)
exec(`npm set @capire:registry=http://localhost:${port}`)
})
const _exit = ()=>{
console.log ('\nnpm conf rm @capire:registry')
exec('npm conf rm @capire:registry')
exec('rm *.tgz')
process.exit()
}
process.on ('SIGTERM',_exit)
process.on ('SIGHUP',_exit)
process.on ('SIGINT',_exit)
process.on ('SIGUSR2',_exit)