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

Fast, disk space efficient package manager

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

export default function SafeSink (sink) {
  this.sink = sink
  this.active = true
}

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

SafeSink.prototype.end = function (t, x) {
  if (!this.active) {
    return
  }
  this.disable()
  this.sink.end(t, x)
}

SafeSink.prototype.error = function (t, e) {
  this.disable()
  this.sink.error(t, e)
}

SafeSink.prototype.disable = function () {
  this.active = false
  return this.sink
}