fix: removed iltorb dependencies

package.json

@@ -12,39 +12,39 @@
     "dist/"
   ],
   "devDependencies": {
-    "@types/ioredis": "^4.22.0",
-    "@types/iltorb": "^2.3.2",
-    "@types/express": "^4.17.11",
-    "@types/lodash": "^4.14.168",
     "@babel/cli": "^7.13.0",
     "@babel/core": "^7.13.8",
     "@babel/node": "^7.13.0",
-    "@babel/plugin-transform-runtime": "^7.13.9",
     "@babel/plugin-proposal-class-properties": "^7.13.0",
     "@babel/plugin-proposal-export-default-from": "^7.2.0",
     "@babel/plugin-proposal-export-namespace-from": "^7.2.0",
+    "@babel/plugin-transform-runtime": "^7.13.9",
     "@babel/preset-env": "^7.13.9",
+    "@babel/preset-typescript": "^7.13.0",
     "@semantic-release/changelog": "^5.0.1",
     "@semantic-release/commit-analyzer": "^8.0.1",
     "@semantic-release/git": "^9.0.0",
     "@semantic-release/github": "^7.2.0",
     "@semantic-release/npm": "^7.0.9",
     "@semantic-release/release-notes-generator": "^9.0.1",
+    "@types/express": "^4.17.11",
+    "@types/iltorb": "^2.3.2",
+    "@types/ioredis": "^4.22.0",
+    "@types/lodash": "^4.14.168",
+    "@typescript-eslint/eslint-plugin": "^4.25.0",
+    "@typescript-eslint/parser": "^4.25.0",
     "babel-eslint": "^10.1.0",
+    "babel-plugin-lodash": "^3.3.4",
     "body-parser": "^1.19.0",
+    "cross-env": "^7.0.3",
     "eslint": "^7.21.0",
-    "@typescript-eslint/parser": "^4.25.0",
-    "@typescript-eslint/eslint-plugin": "^4.25.0",
+    "eslint-config-prettier": "^8.3.0",
     "eslint-plugin-import": "^2.23.3",
     "express": "^4.17.1",
+    "prettier": "^2.3.0",
     "rimraf": "^3.0.2",
     "semantic-release": "^17.4.3",
-    "typescript": "^4.3.2",
-    "@babel/preset-typescript": "^7.13.0",
-    "prettier": "^2.3.0",
-    "eslint-config-prettier": "^8.3.0",
-    "babel-plugin-lodash": "^3.3.4",
-    "cross-env": "^7.0.3"
+    "typescript": "^4.3.2"
   },
   "scripts": {
     "prepare": "yarn run build:clean && yarn run build:lib && yarn run build:lib:browser && yarn run build:types",
@@ -80,12 +80,11 @@
     "ssri": "^8.0.1"
   },
   "dependencies": {
-    "apollo-link": "^1.2.14",
     "@babel/polyfill": "^7.12.1",
+    "apollo-link": "^1.2.14",
     "apollo-utilities": "^1.3.4",
     "graphql": "^14.5.8",
     "http-proxy-middleware": "^2.0.0",
-    "iltorb": "^2.4.5",
     "lodash": "^4.17.21"
   },
   "engines": {

src/utils.ts

@@ -1,7 +1,6 @@
 import zlib from 'zlib'
 import type EventEmitter from 'events'
 import type { IncomingMessage } from 'http'
-import { decompressStream } from 'iltorb'
 
 export async function stream<T extends EventEmitter>(data: T) {
   const thisBuffer = [] as string[]
@@ -19,8 +18,6 @@ export async function stream<T extends EventEmitter>(data: T) {
   }) as Promise<string>
 }
 
-const supportsBrotli = typeof zlib.createBrotliDecompress === 'function'
-
 export async function decode(request: IncomingMessage) {
   const encoding = (request.headers['content-encoding'] || '')
     .trim()
@@ -31,12 +28,7 @@ export async function decode(request: IncomingMessage) {
   } else if (encoding === 'deflate') {
     decoder = zlib.createInflate()
   } else if (encoding === 'br') {
-    if (supportsBrotli) {
-      // $FlowFixMe: ignore, supported from node v11
-      decoder = zlib.createBrotliDecompress()
-    } else {
-      decoder = decompressStream()
-    }
+    decoder = zlib.createBrotliDecompress()
   }
 
   if (decoder) {