pnpm/lib/node_modules/most/src/sink/IndexSink.js

Fast, disk space efficient package manager

/** @license MIT License (c) copyright 2010-2016 original author or authors */
/** @author Brian Cavalier */
/** @author John Hann */

import Sink from './Pipe'

export default function IndexSink (i, sink) {
  this.sink = sink
  this.index = i
  this.active = true
  this.value = void 0
}

IndexSink.prototype.event = function (t, x) {
  if (!this.active) {
    return
  }
  this.value = x
  this.sink.event(t, this)
}

IndexSink.prototype.end = function (t, x) {
  if (!this.active) {
    return
  }
  this.active = false
  this.sink.end(t, { index: this.index, value: x })
}

IndexSink.prototype.error = Sink.prototype.error