fix: fixed linting, file size, and README updates for browser compat

.dist.babelrc

@@ -6,5 +6,6 @@
       }
     }]
   ],
-  "sourceMaps": "inline"
+  "sourceMaps": "inline",
+  "comments": false
 }

.dist.eslintrc

@@ -19,7 +19,13 @@
     "no-cond-assign": "off",
     "no-redeclare": "off",
     "node/no-exports-assign": "off",
-    "no-unsafe-finally": "off"
+    "no-unsafe-finally": "off",
+    "complexity": ["error", 10000],
+    "max-statements": "off",
+    "no-constant-condition": "off",
+    "no-control-regex": "off",
+    "no-fallthrough": "off",
+    "operator-linebreak": "off"
   },
   "globals": {
     "regeneratorRuntime": "writable"
@@ -32,7 +38,13 @@
       "Object.getOwnPropertySymbols",
       "Object.setPrototypeOf",
       "Set",
-      "Math.trunc"
+      "Math.trunc",
+      "BigInt",
+      "Map",
+      "Reflect",
+      "WeakMap",
+      "WeakRef",
+      "WeakSet"
     ]
   }
 }

README.md

@@ -83,7 +83,7 @@ Browser-ready versions of this module are available via [jsdelivr][], [unpkg][],
 This is the solution for you if you're just using `<script>` tags everywhere!
 
 ```html
-<script src="https://polyfill.io/v3/polyfill.min.js?features=Array.from,Promise,Symbol,Object.setPrototypeOf,Object.getOwnPropertySymbols,Set,Math.trunc"></script>
+<script src="https://polyfill.io/v3/polyfill.min.js?features=Array.from,Promise,Symbol,Object.setPrototypeOf,Object.getOwnPropertySymbols,Set,Math.trunc,BigInt,Map,Reflect,WeakMap,WeakRef,WeakSet,BigInt,Map,Reflect,WeakMap,WeakRef,WeakSet"></script>
 <script src="https://cdn.jsdelivr.net/npm/superagent"></script>
 <!-- if you wish to use unpkg.com instead: -->
 <!-- <script src="https://unpkg.com/superagent"></script> -->
@@ -159,11 +159,11 @@ If you are using [browserify][], [webpack][], [rollup][], or another bundler, th
 We recommend using <https://polyfill.io> (specifically with the bundle mentioned in [VanillaJS](#vanillajs) above):
 
 ```html
-<script src="https://polyfill.io/v3/polyfill.min.js?features=Array.from,Promise,Symbol,Object.setPrototypeOf,Object.getOwnPropertySymbols,Set,Math.trunc"></script>
+<script src="https://polyfill.io/v3/polyfill.min.js?features=Array.from,Promise,Symbol,Object.setPrototypeOf,Object.getOwnPropertySymbols,Set,Math.trunc,BigInt,Map,Reflect,WeakMap,WeakRef,WeakSet"></script>
 ```
 
 * IE 9-10 requires a polyfill for `Promise`, `Array.from`, `Symbol`, `Object.getOwnPropertySymbols`, and `Object.setPrototypeOf`
-* IE 9 requires a polyfill for `window.FormData` (we recommend [formdata-polyfill][]), `Set`, and `Math.trunc`
+* IE 9 requires a polyfill for `window.FormData` (we recommend [formdata-polyfill][]), `Set`, `Math.trunc`, `BigInt`, `Map`, `Reflect`, `WeakMap`, `WeakRef`, and `WeakSet`
 
 
 ## Plugins

package.json

@@ -6,7 +6,8 @@
   "browser": {
     "./src/node/index.js": "./src/client.js",
     "./lib/node/index.js": "./lib/client.js",
-    "./test/support/server.js": "./test/support/blank.js"
+    "./test/support/server.js": "./test/support/blank.js",
+    "semver": false
   },
   "bugs": {
     "url": "https://github.com/visionmedia/superagent/issues"
@@ -16,9 +17,6 @@
       "@commitlint/config-conventional"
     ]
   },
-  "engines": {
-    "node": ">=6.4.0 <13|>=14"
-  },
   "contributors": [
     "Kornel Lesiński <kornel@geekhood.net>",
     "Peter Lyons <pete@peterlyons.com>",
@@ -76,6 +74,9 @@
     "xo": "^0.47.0",
     "zuul": "^3.12.0"
   },
+  "engines": {
+    "node": ">=6.4.0 <13|>=14"
+  },
   "homepage": "https://github.com/visionmedia/superagent",
   "husky": {
     "hooks": {

src/node/http2wrapper.js

@@ -5,11 +5,11 @@ const tls = require('tls');
 // eslint-disable-next-line node/no-deprecated-api
 const { parse } = require('url');
 const process = require('process');
-const semver = require('semver');
+const semverGte = require('semver/functions/gte');
 
 let http2;
 
-if (semver.gte(process.version, 'v10.10.0')) http2 = require('http2');
+if (semverGte(process.version, 'v10.10.0')) http2 = require('http2');
 else
   throw new Error('superagent: this version of Node.js does not support http2');
 

src/node/index.js

@@ -17,7 +17,7 @@ const FormData = require('form-data');
 const formidable = require('formidable');
 const debug = require('debug')('superagent');
 const CookieJar = require('cookiejar');
-const semver = require('semver');
+const semverGte = require('semver/functions/gte');
 const safeStringify = require('fast-safe-stringify');
 
 const utils = require('../utils');
@@ -27,7 +27,7 @@ const Response = require('./response');
 
 let http2;
 
-if (semver.gte(process.version, 'v10.10.0')) http2 = require('./http2wrapper');
+if (semverGte(process.version, 'v10.10.0')) http2 = require('./http2wrapper');
 
 function request(method, url) {
   // callback