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/backoff.ts

@@ -1,37 +1,38 @@
-import assert from 'assert-diff'
-import {ExponentialBackoff} from '../src/client/backoff'
+import assert from "assert-diff";
 
-describe('ExponentialBackoff', function () {
-  it('duration() return value starts with the min value', function () {
+import { ExponentialBackoff } from "../src/client/backoff";
+
+describe("ExponentialBackoff", function () {
+  it("duration() return value starts with the min value", function () {
     // default: 100ms
-    assert(new ExponentialBackoff().duration(), 100)
-    assert(new ExponentialBackoff({min: 100}).duration(), 100)
-    assert(new ExponentialBackoff({min: 123}).duration(), 123)
-  })
+    assert(new ExponentialBackoff().duration(), 100);
+    assert(new ExponentialBackoff({ min: 100 }).duration(), 100);
+    assert(new ExponentialBackoff({ min: 123 }).duration(), 123);
+  });
 
-  it('duration() return value increases when called multiple times', function () {
-    const backoff = new ExponentialBackoff({min: 100, max: 1000})
-    assert.strictEqual(backoff.duration(), 100)
-    assert.strictEqual(backoff.duration(), 200)
-    assert.strictEqual(backoff.duration(), 400)
-    assert.strictEqual(backoff.duration(), 800)
-  })
+  it("duration() return value increases when called multiple times", function () {
+    const backoff = new ExponentialBackoff({ min: 100, max: 1000 });
+    assert.strictEqual(backoff.duration(), 100);
+    assert.strictEqual(backoff.duration(), 200);
+    assert.strictEqual(backoff.duration(), 400);
+    assert.strictEqual(backoff.duration(), 800);
+  });
 
-  it('duration() never returns greater than the max value', function () {
-    const backoff = new ExponentialBackoff({min: 300, max: 1000})
-    assert.strictEqual(backoff.duration(), 300)
-    assert.strictEqual(backoff.duration(), 600)
-    assert.strictEqual(backoff.duration(), 1000)
-    assert.strictEqual(backoff.duration(), 1000)
-  })
+  it("duration() never returns greater than the max value", function () {
+    const backoff = new ExponentialBackoff({ min: 300, max: 1000 });
+    assert.strictEqual(backoff.duration(), 300);
+    assert.strictEqual(backoff.duration(), 600);
+    assert.strictEqual(backoff.duration(), 1000);
+    assert.strictEqual(backoff.duration(), 1000);
+  });
 
-  it('reset() will reset the duration() value', function () {
-    const backoff = new ExponentialBackoff({min: 100, max: 1000})
-    assert.strictEqual(backoff.duration(), 100)
-    assert.strictEqual(backoff.duration(), 200)
-    assert.strictEqual(backoff.duration(), 400)
-    backoff.reset()
-    assert.strictEqual(backoff.duration(), 100)
-    assert.strictEqual(backoff.duration(), 200)
-  })
-})
+  it("reset() will reset the duration() value", function () {
+    const backoff = new ExponentialBackoff({ min: 100, max: 1000 });
+    assert.strictEqual(backoff.duration(), 100);
+    assert.strictEqual(backoff.duration(), 200);
+    assert.strictEqual(backoff.duration(), 400);
+    backoff.reset();
+    assert.strictEqual(backoff.duration(), 100);
+    assert.strictEqual(backoff.duration(), 200);
+  });
+});