Top 10 Examples of "prelude-ts in functional component" in JavaScript
Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'prelude-ts' in functional components in JavaScript. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.
function parseTrackData(text: string): Result {
const items = Vector.ofIterable(text.split('|'))
const status = items.head()
// Get rid of fields that we don't care about
const otherValues = items.drop(3)
if (status.isNone() || otherValues.length() < trackInfoKeys.length - 1) {
return failure('Could not parse track data')
}
const values = otherValues.prepend(status.get())
const trackInfoEntries = Vector.zip(trackInfoKeys, values)
const trackInfo = HashMap.ofIterable(trackInfoEntries)
.filterKeys(k => !k.startsWith('unknown'))
.map((k, v) => [k, mapTrackInfoValue(k, v)])
.put('state', statusCodeToName(status.get()))
.toObjectDictionary(x => x)function parseTrackData(text: string): Result {
const items = Vector.ofIterable(text.split('|'))
const status = items.head()
// Get rid of fields that we don't care about
const otherValues = items.drop(3)
if (status.isNone() || otherValues.length() < trackInfoKeys.length - 1) {
return failure('Could not parse track data')
}
const values = otherValues.prepend(status.get())
const trackInfoEntries = Vector.zip(trackInfoKeys, values)
const trackInfo = HashMap.ofIterable(trackInfoEntries)
.filterKeys(k => !k.startsWith('unknown'))
.map((k, v) => [k, mapTrackInfoValue(k, v)])
.put('state', statusCodeToName(status.get()))
.toObjectDictionary(x => x)
return TrackInfo.validate(trackInfo)
}function parseTrackData(text: string): Result {
const items = Vector.ofIterable(text.split('|'))
const status = items.head()
// Get rid of fields that we don't care about
const otherValues = items.drop(3)
if (status.isNone() || otherValues.length() < trackInfoKeys.length - 1) {
return failure('Could not parse track data')
}
const values = otherValues.prepend(status.get())
const trackInfoEntries = Vector.zip(trackInfoKeys, values)
const trackInfo = HashMap.ofIterable(trackInfoEntries)
.filterKeys(k => !k.startsWith('unknown'))
.map((k, v) => [k, mapTrackInfoValue(k, v)])
.put('state', statusCodeToName(status.get()))
.toObjectDictionary(x => x)
return TrackInfo.validate(trackInfo)
}socket.on('data', data => {
const state = stateWrapper.get()
const stringData = Vector.ofIterable(data.toString())
// get rid of CRLF
.dropRight(2)
.mkString('')
if (Action.guard(stringData)) {
const nextState = stateWrapper.set(update(state, stringData))
socket.write(
[
mockTrackInfoResponse(nextState.currentTrack),
mockVolumeResponse(nextState.currentVolume)
].join('\r\n')
)
return logger.debug('Received command', {
action: stringData,Volume as VolumeType,
Action
} from '../server/Models'
import Playback from './Playback'
import Volume from './Volume'
// TODO: refactor into an union type
interface AppState {
connected: boolean
currentTrack: Option
volume: VolumeType
}
const initialState: AppState = {
connected: false,
currentTrack: Option.none(),
volume: {
type: 'audible',
volume: 0
}
}
export default class App extends Component<{}, AppState> {
socket = io('/', {
autoConnect: false
})
state = initialState
componentDidMount() {
this.socket.on('message', (message: Message) => {
switch (message.type) {
case 'playback':function parseMessage(raw: string): Result {
const parseMessageFailure: Failure = failure('Could not parse message')
const messageCode = raw.substring(0, 3)
switch (statusCodeToName(messageCode)) {
case 'info':
return success({
type: 'info',
data: raw
})
case 'volumeChange':
const vol = Vector.ofIterable(raw.split('|'))
.filter(v => v !== '')
.last()
return vol.isSome()
? success(nextVolume(vol.get()))
: parseMessageFailure
case 'playing':
case 'paused':
case 'stopped':
const trackInfo = parseTrackData(raw)
return trackInfo.success
? mapSuccess(trackInfo, (value: TrackInfo) => ({
type: 'playback',
data: value
}))export function parseControlData(text: string): Message[] {
const lines: string[] = text.split('\r\n')
const messageList: Vector = Vector.ofIterable(lines).mapOption(
l => {
const messageResult = parseMessage(l)
return messageResult.success
? Option.of(messageResult.value)
: Option.none()
}
)
if (messageList.allMatch(InfoMessage.guard)) {
return [
{
type: 'info',
data: messageList.foldLeft(
'',
(data, message) =>
`${data}${data.length === 0 ? '' : '\n'}${message.data}`l => {
const messageResult = parseMessage(l)
return messageResult.success
? Option.of(messageResult.value)
: Option.none()
}
)l => {
const messageResult = parseMessage(l)
return messageResult.success
? Option.of(messageResult.value)
: Option.none()
}
)this.socket.on('message', (message: Message) => {
switch (message.type) {
case 'playback':
return this.setState({
currentTrack: Option.of(message.data)
})
case 'volume':
return this.setState({
volume: message.data
})
}
})
this.socket.on('connect', () => this.setState({ connected: true }))