2.5.0 • Published 5 years ago
bara v2.5.0
Bara
Bara is a library created for creating any (front/back/cli) JavaScript application.
Installation
npm install --save bara
or
yarn add bara
Usage
Full Application
const {
register,
useStream,
useTrigger,
useEvent,
useCondition,
useAction,
createEventType
} = require('bara')
const ON_TIME_ESLAPSED = createEventType('ON_TIME_ESLAPSED')
const EVERY_X_SECOND = x => second => second % x === 0
const ONLY_EVEN_SECOND = EVERY_X_SECOND(2)
const app = () => {
// Register source stream factory for Bara application
useStream(({setName, addEventType, emit}) => {
setName('dev.barajs.timer')
let elapsed = 0;
const timer = setInterval(() => {
emit(ON_TIME_ESLAPSED, elapsed++);
}, 1000);
return () => {
// Cleanup when zero listener
clearInterval(timer)
}
})
// Register a trigger that will be triggered every even second
useTrigger(() => {
const event = useEvent(ON_TIME_ESLAPSED)
const condition = useCondition(ONLY_EVEN_SECOND)
const action = useAction((second) => {
console.log(`Tik every even seconds: ${second}`)
})
return {event, condition, action}
})
// Register a trigger that will be triggered every 5 second
useTrigger(() => {
const every = 5
const event = useEvent(ON_TIME_ELAPSED)
const condition = useCondition(EVERY_X_SECOND(every))
const action = useAction((second) => {
console.log(`Tik every `${every}` seconds: ${second}`)
})
return {event, condition, action}
})
}
register(app);
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