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/paymentChannelFund.ts

@@ -1,83 +1,85 @@
-import { ValidationError } from 'xrpl-local/common/errors'
-import { verifyPaymentChannelFund } from './../../src/models/transactions/paymentChannelFund'
-import { assert } from 'chai'
+import { assert } from "chai";
+
+import { ValidationError } from "xrpl-local/common/errors";
+
+import { verifyPaymentChannelFund } from "../../src/models/transactions/paymentChannelFund";
 
 /**
- * PaymentChannelFund Transaction Verification Testing
+ * PaymentChannelFund Transaction Verification Testing.
  *
- * Providing runtime verification testing for each specific transaction type
+ * Providing runtime verification testing for each specific transaction type.
  */
-describe('PaymentChannelFund Transaction Verification', function () {
-    let channel
+describe("PaymentChannelFund Transaction Verification", function () {
+  let channel;
 
-    beforeEach(() => {
-        channel = {
-            "Account": "rf1BiGeXwwQoi8Z2ueFYTEXSwuJYfV2Jpn",
-            "TransactionType": "PaymentChannelFund",
-            "Channel": "C1AE6DDDEEC05CF2978C0BAD6FE302948E9533691DC749DCDD3B9E5992CA6198",
-            "Amount": "200000",
-            "Expiration": 543171558
-        }
-    })
-    
-    it (`verifies valid PaymentChannelFund`, () => {
-        assert.doesNotThrow(() => verifyPaymentChannelFund(channel))
-    })
+  beforeEach(function () {
+    channel = {
+      Account: "rf1BiGeXwwQoi8Z2ueFYTEXSwuJYfV2Jpn",
+      TransactionType: "PaymentChannelFund",
+      Channel:
+        "C1AE6DDDEEC05CF2978C0BAD6FE302948E9533691DC749DCDD3B9E5992CA6198",
+      Amount: "200000",
+      Expiration: 543171558,
+    };
+  });
 
-    it (`verifies valid PaymentChannelFund w/o optional`, () => {
-        delete channel.Expiration
-        
-        assert.doesNotThrow(() => verifyPaymentChannelFund(channel))
-    })
+  it(`verifies valid PaymentChannelFund`, function () {
+    assert.doesNotThrow(() => verifyPaymentChannelFund(channel));
+  });
 
-    it (`throws w/ missing Amount`, () => {
-        delete channel.Amount
+  it(`verifies valid PaymentChannelFund w/o optional`, function () {
+    delete channel.Expiration;
 
-        assert.throws(
-            () => verifyPaymentChannelFund(channel),
-            ValidationError,
-            "PaymentChannelFund: missing Amount"
-        )
-    })
+    assert.doesNotThrow(() => verifyPaymentChannelFund(channel));
+  });
 
-    it (`throws w/ missing Channel`, () => {
-        delete channel.Channel
+  it(`throws w/ missing Amount`, function () {
+    delete channel.Amount;
 
-        assert.throws(
-            () => verifyPaymentChannelFund(channel),
-            ValidationError,
-            "PaymentChannelFund: missing Channel"
-        )
-    })
+    assert.throws(
+      () => verifyPaymentChannelFund(channel),
+      ValidationError,
+      "PaymentChannelFund: missing Amount"
+    );
+  });
 
-    it (`throws w/ invalid Amount`, () => {
-        channel.Amount = 100
+  it(`throws w/ missing Channel`, function () {
+    delete channel.Channel;
 
-        assert.throws(
-            () => verifyPaymentChannelFund(channel),
-            ValidationError,
-            "PaymentChannelFund: Amount must be a string"
-        )
-    })
+    assert.throws(
+      () => verifyPaymentChannelFund(channel),
+      ValidationError,
+      "PaymentChannelFund: missing Channel"
+    );
+  });
 
-    it (`throws w/ invalid Channel`, () => {
-        channel.Channel = 1000
+  it(`throws w/ invalid Amount`, function () {
+    channel.Amount = 100;
 
-        assert.throws(
-            () => verifyPaymentChannelFund(channel),
-            ValidationError,
-            "PaymentChannelFund: Channel must be a string"
-        )
-    })
+    assert.throws(
+      () => verifyPaymentChannelFund(channel),
+      ValidationError,
+      "PaymentChannelFund: Amount must be a string"
+    );
+  });
 
-    it (`throws w/ invalid Expiration`, () => {
-        channel.Expiration = "1000"
-        
-        assert.throws(
-            () => verifyPaymentChannelFund(channel),
-            ValidationError,
-            "PaymentChannelFund: Expiration must be a number"
-        )
-    })
+  it(`throws w/ invalid Channel`, function () {
+    channel.Channel = 1000;
 
-})
+    assert.throws(
+      () => verifyPaymentChannelFund(channel),
+      ValidationError,
+      "PaymentChannelFund: Channel must be a string"
+    );
+  });
+
+  it(`throws w/ invalid Expiration`, function () {
+    channel.Expiration = "1000";
+
+    assert.throws(
+      () => verifyPaymentChannelFund(channel),
+      ValidationError,
+      "PaymentChannelFund: Expiration must be a number"
+    );
+  });
+});