drop jscs and use eslint

.eslintrc.js

@@ -0,0 +1,37 @@
+module.exports = {
+  'parser': 'typescript-eslint-parser',
+  'globals': {
+    'Pretender': true,
+    'sinon': true, // karma-sinon
+  },
+  'env': {
+    'browser': true,
+    'es6': true,
+    'node': true,
+    'jquery': true,
+    'qunit': true,
+  },
+  'extends': 'eslint:recommended',
+  'parserOptions': {
+    'ecmaVersion': 2015,
+    'sourceType': 'module'
+  },
+  'rules': {
+    'indent': [
+      'error',
+      2
+    ],
+    'linebreak-style': [
+      'error',
+      'unix'
+    ],
+    'quotes': [
+      'error',
+      'single'
+    ],
+    'semi': [
+      'error',
+      'always'
+    ]
+  }
+};

package.json

@@ -13,12 +13,12 @@
     "prepublishOnly": "npm run build && npm run tests-only",
     "pretest": "bower install",
     "build": "rollup --config",
-    "test": "npm run lint && npm run jscs && npm run tests-only",
-    "test-ci": "npm run pretest && npm run build && npm run lint && npm run jscs && npm run tests-only-ci",
+    "test": "npm run lint && npm run eslint && npm run tests-only",
+    "test-ci": "npm run pretest && npm run build && npm run lint && npm run eslint && npm run tests-only-ci",
     "tests-only": "karma start --single-run",
     "tests-only-ci": "karma start --single-run --browsers PhantomJS",
     "lint": "jshint test",
-    "jscs": "jscs test",
+    "eslint": "eslint src/**/*.ts test",
     "test:server": "karma start --no-single-run"
   },
   "repository": {
@@ -30,7 +30,7 @@
     "bower": "^1.8.2",
     "coveralls": "^2.11.3",
     "es6-promise": "^4.0.5",
-    "jscs": "^3.0.7",
+    "eslint": "^5.12.0",
     "jshint": "^2.8.0",
     "karma": "^1.7.0",
     "karma-chrome-launcher": "^2.2.0",
@@ -47,7 +47,8 @@
     "rollup-plugin-typescript": "^1.0.0",
     "sinon": "^3.2.1",
     "tslib": "^1.9.3",
-    "typescript": "~3.1.1"
+    "typescript": "~3.1.1",
+    "typescript-eslint-parser": "^21.0.2"
   },
   "dependencies": {
     "fake-xml-http-request": "^2.0.0",

src/index.ts

@@ -229,6 +229,7 @@ function interceptor(ctx) {
   };
 
   if (ctx.pretender._nativeXMLHttpRequest.prototype._passthroughCheck) {
+    // eslint-disable-next-line no-console
     console.warn('You created a second Pretender instance while there was already one running. ' +
           'Running two Pretender servers at once will lead to unexpected results and will ' +
           'be removed entirely in a future major version.' +
@@ -324,9 +325,9 @@ Pretender.prototype = {
           throw new Error('Nothing returned by handler for ' + path + '. ' + note);
         }
 
-        var status = statusHeadersAndBody[0],
-            headers = pretender.prepareHeaders(statusHeadersAndBody[1]),
-            body = pretender.prepareBody(statusHeadersAndBody[2], headers);
+        var status = statusHeadersAndBody[0];
+        var headers = pretender.prepareHeaders(statusHeadersAndBody[1]);
+        var body = pretender.prepareBody(statusHeadersAndBody[2], headers);
 
         pretender.handleResponse(request, async, function() {
           request.respond(status, headers, body);

src/parse-url.ts

@@ -21,6 +21,7 @@ export default function parseURL(url: string) {
   anchor.href = url;
 
   if (!anchor.host) {
+    // eslint-disable-next-line no-self-assign
     anchor.href = anchor.href; // IE: load the host and protocol
   }