build: Initial linting setup (#1560)

* sets up linting config and runs `yarn lint --fix` once, so that all changes will show up correctly in future PRs.

* Note that there are still a lot of linter errors.

test/setupClientWeb.ts

@@ -1,55 +1,46 @@
-import {Client, BroadcastClient} from 'xrpl-local'
+import { Client, BroadcastClient } from "xrpl-local";
 
-const port = 34371
-const baseUrl = 'ws://testripple.circleci.com:'
+const port = 34371;
+const baseUrl = "ws://testripple.circleci.com:";
 
 function setup(this: any, port_ = port) {
-  const tclient = new Client(baseUrl + port_)
+  const tclient = new Client(baseUrl + port_);
   return tclient
     .connect()
     .then(() => {
       return tclient.connection.request({
-        // TODO: resolve when we redo the testing framework
-        // @ts-ignore
-        command: 'test_command',
-        data: {openOnOtherPort: true}
-      })
+        command: "test_command",
+        data: { openOnOtherPort: true },
+      });
     })
     .then((got) => {
       return new Promise<void>((resolve, reject) => {
-        // @ts-ignore
-        this.client = new Client(baseUrl + got.port)
-        this.client
-          .connect()
-          .then(resolve)
-          .catch(reject)
-      })
+        this.client = new Client(baseUrl + got.port);
+        this.client.connect().then(resolve).catch(reject);
+      });
     })
     .then(() => {
-      return tclient.disconnect()
-    })
+      return tclient.disconnect();
+    });
 }
 
 function setupBroadcast(this: any) {
-  const servers = [port, port + 1].map((port_) => baseUrl + port_)
-  this.client = new BroadcastClient(servers)
+  const servers = [port, port + 1].map((port_) => baseUrl + port_);
+  this.client = new BroadcastClient(servers);
   return new Promise<void>((resolve, reject) => {
-    this.client
-      .connect()
-      .then(resolve)
-      .catch(reject)
-  })
+    this.client.connect().then(resolve).catch(reject);
+  });
 }
 
 function teardown(this: any) {
   if (this.client.isConnected()) {
-    return this.client.disconnect()
+    return this.client.disconnect();
   }
-  return undefined
+  return undefined;
 }
 
 export default {
-  setup: setup,
-  teardown: teardown,
-  setupBroadcast: setupBroadcast
-}
+  setup,
+  teardown,
+  setupBroadcast,
+};