
Research
/Security News
Toptal’s GitHub Organization Hijacked: 10 Malicious Packages Published
Threat actors hijacked Toptal’s GitHub org, publishing npm packages with malicious payloads that steal tokens and attempt to wipe victim systems.
Adapted from purescript-logging
fp-ts
and TypeScript compatibilitylogging-ts version | required fp-ts version | required TypeScript version |
---|---|---|
0.3.0 | 2.0.0+ | 3.5+ |
0.2.0 | 1.7.0+ | 2.8.0+ |
From purescript-logging
's README
A logger receives records and potentially performs some effects. You can create a logger from any function
(a: A) => HKT<M, void>
for anyA
andM
.Unlike most other logging libraries,
logging-ts
has no separate concepts "loggers" and "handlers". Instead, loggers can be composed into larger loggers using theSemigroup
instance. Loggers can also be transformed usingcontramap
(for transforming records) andfilter
(for filtering records). An example use case might be the following:
import * as C from 'fp-ts/lib/Console'
import * as D from 'fp-ts/lib/Date'
import { chain, IO } from 'fp-ts/lib/IO'
import { pipe } from 'fp-ts/lib/pipeable'
import * as L from '../src/IO'
type Level = 'Debug' | 'Info' | 'Warning' | 'Error'
interface Entry {
message: string
time: Date
level: Level
}
function showEntry(entry: Entry): string {
return `[${entry.level}] ${entry.time.toLocaleString()} ${entry.message}`
}
function getLoggerEntry(prefix: string): L.LoggerIO<Entry> {
return entry => C.log(`${prefix}: ${showEntry(entry)}`)
}
const debugLogger = L.filter(getLoggerEntry('debug.log'), e => e.level === 'Debug')
const productionLogger = L.filter(getLoggerEntry('production.log'), e => e.level !== 'Debug')
const logger = L.getMonoid<Entry>().concat(debugLogger, productionLogger)
const info = (message: string) => (time: Date): IO<void> => logger({ message, time, level: 'Info' })
const debug = (message: string) => (time: Date): IO<void> => logger({ message, time, level: 'Debug' })
const program = pipe(
D.create,
chain(info('boot')),
chain(() => D.create),
chain(debug('Hello!'))
)
program()
/*
production.log: [Info] 10/4/2019, 12:44:48 PM boot
debug.log: [Debug] 10/4/2019, 12:44:48 PM Hello!
*/
0.3.4
IO
withLogger
combinator, #21 (@waynevanson)FAQs
Composable loggers for TypeScript
The npm package logging-ts receives a total of 10,291 weekly downloads. As such, logging-ts popularity was classified as popular.
We found that logging-ts demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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