AnimationManager/server/node_modules/readable-stream/lib/internal/streams/passthrough.js

// Copyright Joyent, Inc. and other Node contributors.
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// a passthrough stream.
// basically just the most minimal sort of Transform stream.
// Every written chunk gets output as-is.

'use strict'

const { ObjectSetPrototypeOf } = require('../../ours/primordials')
module.exports = PassThrough
const Transform = require('./transform')
ObjectSetPrototypeOf(PassThrough.prototype, Transform.prototype)
ObjectSetPrototypeOf(PassThrough, Transform)
function PassThrough(options) {
  if (!(this instanceof PassThrough)) return new PassThrough(options)
  Transform.call(this, options)
}
PassThrough.prototype._transform = function (chunk, encoding, cb) {
  cb(null, chunk)
}