Add compressible check

package.json

@@ -59,6 +59,7 @@
     "cachedir": "^2.3.0",
     "chalk": "^4.0.0",
     "chokidar": "^3.4.0",
+    "compressible": "^2.0.18",
     "cosmiconfig": "^6.0.0",
     "css-modules-loader-core": "^1.1.0",
     "deepmerge": "^4.2.2",
@@ -100,6 +101,7 @@
     "@pika/plugin-ts-standard-pkg": "^0.9.1",
     "@types/babel__traverse": "^7.0.7",
     "@types/cacache": "^12.0.1",
+    "@types/compressible": "^2.0.0",
     "@types/es-module-lexer": "^0.3.0",
     "@types/http-proxy": "^1.17.4",
     "@types/mkdirp": "^1.0.0",

src/commands/dev.ts

@@ -27,6 +27,7 @@
 import cacache from 'cacache';
 import chalk from 'chalk';
 import chokidar from 'chokidar';
+import isCompressible from 'compressible'
 import detectPort from 'detect-port';
 import etag from 'etag';
 import {EventEmitter} from 'events';
@@ -117,7 +118,7 @@ const sendFile = (
   }
 
   let acceptEncoding = (req.headers['accept-encoding'] as string) || ''
-  if (req.headers["cache-control"]?.includes('no-transform') || ['HEAD', 'OPTIONS'].includes(req.method!)) {
+  if (req.headers["cache-control"]?.includes('no-transform') || ['HEAD', 'OPTIONS'].includes(req.method!) || !isCompressible(mime.contentType(ext))) {
     acceptEncoding = ''
   }