44 lines
1.2 KiB
JavaScript
44 lines
1.2 KiB
JavaScript
import {createRequire} from 'node:module'
|
|
const require = createRequire(import.meta.url)
|
|
|
|
import {statSync} from 'node:fs'
|
|
import {readFullStations} from 'db-stations'
|
|
|
|
// We don't have access to the publish date+time of the npm package,
|
|
// so we use the ctime of db-stations/full.ndjson as an approximation.
|
|
// Also require() doesn't make much sense in ES Modules.
|
|
// todo: this is brittle, find a better way, e.g. a build script
|
|
const timeModified = statSync(require.resolve('db-stations/full.ndjson')).ctime
|
|
|
|
const pStations = new Promise((resolve, reject) => {
|
|
let raw = readFullStations()
|
|
raw.once('error', reject)
|
|
|
|
let data = Object.create(null)
|
|
raw.on('data', (station) => {
|
|
data[station.id] = station
|
|
if (Array.isArray(station.ril100Identifiers)) {
|
|
for (const ril100 of station.ril100Identifiers) {
|
|
data[ril100.rilIdentifier] = station
|
|
}
|
|
}
|
|
if (Array.isArray(station.additionalIds)) {
|
|
for (const addId of station.additionalIds) {
|
|
data[addId] = station
|
|
}
|
|
}
|
|
})
|
|
raw.once('end', () => {
|
|
raw = null
|
|
resolve({data, timeModified})
|
|
})
|
|
})
|
|
|
|
pStations.catch((err) => {
|
|
console.error(err)
|
|
process.exit(1) // todo: is this appropriate?
|
|
})
|
|
|
|
export {
|
|
pStations,
|
|
}
|