badgen.net/pages/api/hackage.ts

55 wiersze
1.4 KiB
TypeScript

import got from '../../libs/got'
import { version as v, versionColor } from '../../libs/utils'
import { createBadgenHandler, PathArgs } from '../../libs/create-badgen-handler-next'
export default createBadgenHandler({
title: 'Hackage',
examples: {
'/hackage/v/abt': 'version',
'/hackage/v/Cabal': 'version',
'/hackage/license/Cabal': 'license',
},
handlers: {
'/hackage/:topic<v|license>/:pkg': handler
}
})
async function handler ({ topic, pkg }: PathArgs) {
const endpoint = `https://hackage.haskell.org/package/${pkg}/${pkg}.cabal`
const cabal = await got(endpoint).text()
const { version, license } = parseCabalFile(cabal)
switch (topic) {
case 'v':
return {
subject: 'hackage',
status: v(version),
color: versionColor(version)
}
case 'license':
return {
subject: 'license',
status: license,
color: 'blue'
}
default:
return {
subject: 'hackage',
status: 'unknown topic',
color: 'grey'
}
}
}
// Naive implementation (only parse meta blocks)
const parseCabalFile = raw => {
// this regex needs to support both v1 and v2 for cabalfile
const cabalMeta = raw.match(/[\w-]+:.+\S+$/gm).reduce((accu, line) => {
const [key, value] = line.split(':')
accu[key.toLowerCase()] = value.trim()
return accu
}, {})
return cabalMeta
}