eslint main.ts

example/main.ts

 const client = new Client(
   url,
   new (class {
-    onOpen(ev: Event) {
+    public onOpen(): void {
       client.ping(
         {},
         new (class {
-          onStart(): void {
+          public onStart(): void {
             console.log('start ping');
           }
 
-          onSuccess(data: string): void {
+          public onSuccess(data: string): void {
             console.log('ping successful:', data);
           }
 
-          onError(code: number, message: string): void {
+          public onError(code: number, message: string): void {
             console.log('ping error:', message);
           }
 
-          onEnd(): void {
+          public onEnd(): void {
             console.log('end ping');
           }
         })(),
         '/v1/healthy',
         {},
         new (class {
-          onStart(): void {
+          public onStart(): void {
             console.log('start request');
           }
 
-          onSuccess(data: string): void {
+          public onSuccess(data: string): void {
             console.log('request successful:', data);
           }
 
-          onError(code: number, message: string): void {
+          public onError(code: number, message: string): void {
             console.log('request error:', message);
           }
 
-          onEnd(): void {
+          public onEnd(): void {
             console.log('end request');
           }
         })(),
       );
     }
 
-    onClose(ev: Event) {
+    public onClose(ev: Event): void {
       console.log('connection error', ev);
       console.log(ev);
     }
 
-    onError(ev: Event) {
+    public onError(): void {
       console.log('close connection');
     }
   })(),

package.json

     "babel-preset-env": "^1.7.0",
     "eslint": "^5.16.0",
     "eslint-config-prettier": "^4.2.0",
+    "eslint-friendly-formatter": "^4.0.1",
+    "eslint-loader": "^2.1.2",
     "html-webpack-plugin": "^3.2.0",
     "jest": "^24.5.0",
     "ts-jest": "^24.0.0",

src/client.ts

         reader.readAsArrayBuffer(ev.data);
         reader.onload = (): void => {
           try {
-            let packet = new Packet().unPack(reader.result);
+            let packet = new Packet().unPack(reader.result as ArrayBuffer);
             let packetLength = packet.headerLength + packet.bodyLength + 20;
             if (packetLength > this._maxPayload) {
               throw new Error('the packet is big than ' + this._maxPayload);

src/packet.ts

     return buf;
   }
 
-  public unPack(data: any): Packet {
+  public unPack(data: ArrayBuffer | SharedArrayBuffer): Packet {
     const dataView = new DataView(data);
 
     this.operator = dataView.getUint32(0, false);

webpack.config.js

     },
     resolve: { extensions: ['.js', '.jsx', '.tsx', '.ts', '.json'] },
     module: {
-      rules: [{
+      rules: [
+      {
           // Include ts, tsx, js, and jsx files.
           test: /\.(ts|js)x?$/,
           exclude: /node_modules/,
           loader: 'babel-loader',
-      }],
+      },
+      {
+          test: /\.(ts|js)x?$/,
+          loader: 'eslint-loader',
+          options: {
+            formatter: require('eslint-friendly-formatter')
+        }
+      }
+    ],
     }
 };

yarn.lock

   version "4.6.0"
   resolved "http://registry.npm.taobao.org/co/download/co-4.6.0.tgz#6ea6bdf3d853ae54ccb8e47bfa0bf3f9031fb184"
 
+coalescy@1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/coalescy/-/coalescy-1.0.0.tgz#4b065846b836361ada6c4b4a4abf4bc1cac31bf1"
+
 code-point-at@^1.0.0:
   version "1.1.0"
   resolved "http://registry.npm.taobao.org/code-point-at/download/code-point-at-1.1.0.tgz#0d070b4d043a5bea33a2f1a40e2edb3d9a4ccf77"
   dependencies:
     get-stdin "^6.0.0"
 
+eslint-friendly-formatter@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/eslint-friendly-formatter/-/eslint-friendly-formatter-4.0.1.tgz#27d504dc837f7caddbf201b2e84a4ee730ba3efa"
+  dependencies:
+    chalk "^2.0.1"
+    coalescy "1.0.0"
+    extend "^3.0.0"
+    minimist "^1.2.0"
+    strip-ansi "^4.0.0"
+    text-table "^0.2.0"
+
+eslint-loader@^2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/eslint-loader/-/eslint-loader-2.1.2.tgz#453542a1230d6ffac90e4e7cb9cadba9d851be68"
+  dependencies:
+    loader-fs-cache "^1.0.0"
+    loader-utils "^1.0.2"
+    object-assign "^4.0.1"
+    object-hash "^1.1.4"
+    rimraf "^2.6.1"
+
 eslint-scope@^4.0.0, eslint-scope@^4.0.3:
   version "4.0.3"
   resolved "https://registry.npm.taobao.org/eslint-scope/download/eslint-scope-4.0.3.tgz#ca03833310f6889a3264781aa82e63eb9cfe7848"
     assign-symbols "^1.0.0"
     is-extendable "^1.0.1"
 
-extend@~3.0.2:
+extend@^3.0.0, extend@~3.0.2:
   version "3.0.2"
   resolved "http://registry.npm.taobao.org/extend/download/extend-3.0.2.tgz#f8b1136b4071fbd8eb140aff858b1019ec2915fa"
 
     statuses "~1.4.0"
     unpipe "~1.0.0"
 
+find-cache-dir@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/find-cache-dir/-/find-cache-dir-0.1.1.tgz#c8defae57c8a52a8a784f9e31c57c742e993a0b9"
+  dependencies:
+    commondir "^1.0.1"
+    mkdirp "^0.5.1"
+    pkg-dir "^1.0.0"
+
 find-cache-dir@^2.0.0:
   version "2.1.0"
   resolved "https://registry.npm.taobao.org/find-cache-dir/download/find-cache-dir-2.1.0.tgz#8d0f94cd13fe43c6c7c261a0d86115ca918c05f7"
     make-dir "^2.0.0"
     pkg-dir "^3.0.0"
 
+find-up@^1.0.0:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/find-up/-/find-up-1.1.2.tgz#6b2e9822b1a2ce0a60ab64d610eccad53cb24d0f"
+  dependencies:
+    path-exists "^2.0.0"
+    pinkie-promise "^2.0.0"
+
 find-up@^3.0.0:
   version "3.0.0"
   resolved "http://registry.npm.taobao.org/find-up/download/find-up-3.0.0.tgz#49169f1d7993430646da61ecc5ae355c21c97b73"
     pify "^3.0.0"
     strip-bom "^3.0.0"
 
+loader-fs-cache@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/loader-fs-cache/-/loader-fs-cache-1.0.2.tgz#54cedf6b727e1779fd8f01205f05f6e88706f086"
+  dependencies:
+    find-cache-dir "^0.1.1"
+    mkdirp "0.5.1"
+
 loader-runner@^2.3.0:
   version "2.4.0"
   resolved "https://registry.npm.taobao.org/loader-runner/download/loader-runner-2.4.0.tgz#ed47066bfe534d7e84c4c7b9998c2a75607d9357"
     for-in "^1.0.2"
     is-extendable "^1.0.1"
 
-mkdirp@0.5.x, mkdirp@0.x, mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.0:
+mkdirp@0.5.1, mkdirp@0.5.x, mkdirp@0.x, mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.0:
   version "0.5.1"
   resolved "http://registry.npm.taobao.org/mkdirp/download/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
   dependencies:
     define-property "^0.2.5"
     kind-of "^3.0.3"
 
+object-hash@^1.1.4:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/object-hash/-/object-hash-1.3.1.tgz#fde452098a951cb145f039bb7d455449ddc126df"
+
 object-keys@^1.0.12:
   version "1.1.0"
   resolved "http://registry.npm.taobao.org/object-keys/download/object-keys-1.1.0.tgz#11bd22348dd2e096a045ab06f6c85bcc340fa032"
   version "1.0.2"
   resolved "https://registry.npm.taobao.org/path-dirname/download/path-dirname-1.0.2.tgz#cc33d24d525e099a5388c0336c6e32b9160609e0"
 
+path-exists@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-2.1.0.tgz#0feb6c64f0fc518d9a754dd5efb62c7022761f4b"
+  dependencies:
+    pinkie-promise "^2.0.0"
+
 path-exists@^3.0.0:
   version "3.0.0"
   resolved "http://registry.npm.taobao.org/path-exists/download/path-exists-3.0.0.tgz#ce0ebeaa5f78cb18925ea7d810d7b59b010fd515"
   dependencies:
     node-modules-regexp "^1.0.0"
 
+pkg-dir@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/pkg-dir/-/pkg-dir-1.0.0.tgz#7a4b508a8d5bb2d629d447056ff4e9c9314cf3d4"
+  dependencies:
+    find-up "^1.0.0"
+
 pkg-dir@^3.0.0:
   version "3.0.0"
   resolved "http://registry.npm.taobao.org/pkg-dir/download/pkg-dir-3.0.0.tgz#2749020f239ed990881b1f71210d51eb6523bea3"