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/models/checkCancel.ts

@@ -1,35 +1,37 @@
-import { ValidationError } from 'xrpl-local/common/errors'
-import { verifyCheckCancel} from './../../src/models/transactions/checkCancel'
-import { assert } from 'chai'
+import { assert } from "chai";
+
+import { ValidationError } from "xrpl-local/common/errors";
+
+import { verifyCheckCancel } from "../../src/models/transactions/checkCancel";
 
 /**
- * CheckCancel Transaction Verification Testing
+ * CheckCancel Transaction Verification Testing.
  *
- * Providing runtime verification testing for each specific transaction type
+ * Providing runtime verification testing for each specific transaction type.
  */
-describe('CheckCancel Transaction Verification', function () {
+describe("CheckCancel Transaction Verification", function () {
+  it(`verifies valid CheckCancel`, function () {
+    const validCheckCancel = {
+      Account: "rUn84CUYbNjRoTQ6mSW7BVJPSVJNLb1QLo",
+      TransactionType: "CheckCancel",
+      CheckID:
+        "49647F0D748DC3FE26BDACBC57F251AADEFFF391403EC9BF87C97F67E9977FB0",
+    } as any;
 
-    it (`verifies valid CheckCancel`, () => {
-        const validCheckCancel = {
-            Account : "rUn84CUYbNjRoTQ6mSW7BVJPSVJNLb1QLo",
-            TransactionType : "CheckCancel",
-            CheckID : "49647F0D748DC3FE26BDACBC57F251AADEFFF391403EC9BF87C97F67E9977FB0"
-        } as any
+    assert.doesNotThrow(() => verifyCheckCancel(validCheckCancel));
+  });
 
-        assert.doesNotThrow(() => verifyCheckCancel(validCheckCancel))
-    })
+  it(`throws w/ invalid CheckCancel`, function () {
+    const invalidCheckID = {
+      Account: "rUn84CUYbNjRoTQ6mSW7BVJPSVJNLb1QLo",
+      TransactionType: "CheckCancel",
+      CheckID: 496473456789876545678909876545678,
+    } as any;
 
-    it (`throws w/ invalid CheckCancel`, () => {
-        const invalidCheckID = {
-            Account : "rUn84CUYbNjRoTQ6mSW7BVJPSVJNLb1QLo",
-            TransactionType : "CheckCancel",
-            CheckID : 496473456789876545678909876545678
-        } as any
-
-        assert.throws(
-            () => verifyCheckCancel(invalidCheckID),
-            ValidationError,
-            "CheckCancel: invalid CheckID"
-        )
-    })
-})
+    assert.throws(
+      () => verifyCheckCancel(invalidCheckID),
+      ValidationError,
+      "CheckCancel: invalid CheckID"
+    );
+  });
+});