cloudworker/lib/runtime.js at 76b7f46b7296a97e9b37f6f9ea062e0094e5c42a · dollarshaveclub/cloudworker · GitHub

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const { Request, Response, fetch, Headers, freezeHeaders, bindCfProperty } = require('./runtime/fetch')
const { URL, URLSearchParams } = require('./runtime/url')
const { ReadableStream, WritableStream, TransformStream } = require('./runtime/stream')
const { FetchEvent } = require('./runtime/fetch-event')
const { crypto } = require('./runtime/crypto')
const { TextDecoder, TextEncoder } = require('./runtime/text-encoder')
const { atob, btoa } = require('./runtime/base64')

class Context {
  constructor (addEventListener, cacheFactory, bindings = {}) {
    this.setTimeout = setTimeout
    this.clearTimeout = clearTimeout
    this.setInterval = setInterval
    this.clearInterval = clearInterval
    this.addEventListener = addEventListener
    this.fetch = fetch
    this.Request = Request
    this.Response = Response
    this.Headers = Headers
    this.URL = URL
    this.URLSearchParams = URLSearchParams
    this.ReadableStream = ReadableStream
    this.WritableStream = WritableStream
    this.TransformStream = TransformStream
    this.FetchEvent = FetchEvent
    this.caches = cacheFactory
    this.crypto = crypto
    this.TextDecoder = TextDecoder
    this.TextEncoder = TextEncoder
    this.atob = atob
    this.btoa = btoa

    // These are necessary to use "instanceof" within a vm accross different realms
    if (!bindings.VM_DEFAULT_REALM) {
      this.Array = Array
      this.ArrayBuffer = ArrayBuffer
      this.Atomics = Atomics
      this.BigInt = BigInt
      this.BigInt64Array = BigInt64Array
      this.BigUint64Array = BigUint64Array
      this.Boolean = Boolean
      this.DataView = DataView
      this.Date = Date
      this.Error = Error
      this.EvalError = EvalError
      this.Float32Array = Float32Array
      this.Float64Array = Float64Array
      this.Function = Function
      this.Int8Array = Int8Array
      this.Int16Array = Int16Array
      this.Int32Array = Int32Array
      this.Intl = Intl
      this.JSON = JSON
      this.Map = Map
      this.Math = Math
      this.NaN = NaN
      this.Number = Number
      this.Object = Object
      this.Promise = Promise
      this.Proxy = Proxy
      this.RangeError = RangeError
      this.ReferenceError = ReferenceError
      this.Reflect = Reflect
      this.RegExp = RegExp
      this.Set = Set
      this.SharedArrayBuffer = SharedArrayBuffer
      this.String = String
      this.Symbol = Symbol
      this.SyntaxError = SyntaxError
      this.TypeError = TypeError
      this.URIError = URIError
      this.Uint8Array = Uint8Array
      this.Uint8ClampedArray = Uint8ClampedArray
      this.Uint16Array = Uint16Array
      this.Uint32Array = Uint32Array
      this.WeakMap = WeakMap
      this.WebAssembly = WebAssembly
      this.console = console
      this.constructor = constructor
      this.decodeURI = decodeURI
      this.decodeURIComponent = decodeURIComponent
      this.encodeURI = encodeURI
      this.encodeURIComponent = encodeURIComponent
      this.escape = escape
      this.globalThis = this
      this.isFinite = isFinite
      this.isNaN = isNaN
      this.parseFloat = parseFloat
      this.parseInt = parseInt
      this.self = this
      this.undefined = undefined
      this.unescape = unescape
    }

    Object.assign(this, bindings)
  }
}

module.exports = {
  Context,
  fetch,
  FetchEvent,
  freezeHeaders,
  bindCfProperty,
  Headers,
  Request,
  Response,
  ReadableStream,
  WritableStream,
  TransformStream,
  URL,
  URLSearchParams,
  TextDecoder,
  TextEncoder,
  atob,
  btoa,
}