obs-portal/frontend/src/utils.js

25 lines
606 B
JavaScript

// Wraps the register callback from useForm into a new ref function, such that
// any child of the provided element that is an input component will be
// registered.
export function findInput(register) {
return (element) => {
const found = element ? element.querySelector('input, textarea, select, checkbox') : null
register(found)
}
}
// Generates pairs from the input iterable
export function* pairwise(it) {
let lastValue
let firstRound = true
for (const i of it) {
if (firstRound) {
firstRound = false
} else {
yield [lastValue, i]
}
lastValue = i
}
}