Add prettier

.editorconfig

@@ -1,2 +1,2 @@
 [**.ts]
-indent_size = 4
+indent_size = 2

.prettierrc.toml

@@ -0,0 +1,3 @@
+singleQuote = true
+trailingComma = "es5"
+arrowParens = "always"

.travis.yml

@@ -2,4 +2,4 @@ dist: trusty
 
 language: node_js
 node_js:
-  - "6.1"
+  - "7"

karma.conf.js

@@ -1,23 +1,23 @@
-const path = require("path");
-const webpack = require("webpack");
-const webpackConfig = require("./webpack.config")[0];
+const path = require('path');
+const webpack = require('webpack');
+const webpackConfig = require('./webpack.config')[0];
 
-process.env.CHROME_BIN = require("puppeteer").executablePath();
+process.env.CHROME_BIN = require('puppeteer').executablePath();
 
 module.exports = function(config) {
   config.set({
     // base path that will be used to resolve all patterns (eg. files, exclude)
-    basePath: "",
+    basePath: '',
 
     // frameworks to use
     // available frameworks: https://npmjs.org/browse/keyword/karma-adapter
-    frameworks: ["mocha", "sinon-chai"],
+    frameworks: ['mocha', 'sinon-chai'],
 
     // list of files / patterns to load in the browser
-    files: ["test/unit/**/*_test.ts"],
+    files: ['test/unit/**/*_test.ts'],
 
     mime: {
-      "text/x-typescript": ["ts", "tsx"]
+      'text/x-typescript': ['ts', 'tsx'],
     },
 
     // list of files to exclude
@@ -26,35 +26,35 @@ module.exports = function(config) {
     // preprocess matching files before serving them to the browser
     // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
     preprocessors: {
-      "**/*.ts": ["webpack", "sourcemap"]
+      '**/*.ts': ['webpack', 'sourcemap'],
     },
 
     webpack: {
       resolve: webpackConfig.resolve,
       module: webpackConfig.module,
       externals: webpackConfig.externals,
 
-      devtool: "inline-source-map",
+      devtool: 'inline-source-map',
 
       plugins: [
         new webpack.DefinePlugin({
-          VERSION: '"0.0.0"'
+          VERSION: '"0.0.0"',
         }),
         new webpack.SourceMapDevToolPlugin({
           filename: null,
-          test: /\.ts$/
-        })
-      ]
+          test: /\.ts$/,
+        }),
+      ],
     },
 
     webpackMiddleware: {
-      stats: "errors-only"
+      stats: 'errors-only',
     },
 
     // test results reporter to use
     // possible values: 'dots', 'progress'
     // available reporters: https://npmjs.org/browse/keyword/karma-reporter
-    reporters: ["spec"],
+    reporters: ['spec'],
 
     // web server port
     port: 9876,
@@ -71,14 +71,14 @@ module.exports = function(config) {
 
     // start these browsers
     // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
-    browsers: ["ChromeHeadless"],
+    browsers: ['ChromeHeadless'],
 
     // Continuous Integration mode
     // if true, Karma captures browsers, runs the tests and exits
     singleRun: true,
 
     // Concurrency level
     // how many browser should be started simultaneous
-    concurrency: 1
+    concurrency: 1,
   });
 };

package.json

@@ -24,6 +24,7 @@
     "@types/sinon": "5.0.7",
     "@types/sinon-chai": "3.2.1",
     "chai": "4.2.0",
+    "cross-fetch": "^2.2.3",
     "error-stack-parser": "2.0.2",
     "imports-loader": "0.8.0",
     "karma": "3.1.1",
@@ -40,12 +41,12 @@
     "sinon-chai": "3.3.0",
     "source-map-loader": "0.2.4",
     "ts-loader": "5.3.1",
-    "tslint": "5.11.0",
-    "tslint-loader": "3.6.0",
-    "typescript": "3.2.1",
+    "tslint": "^5.12.0",
+    "tslint-config-prettier": "^1.17.0",
+    "tslint-loader": "^3.5.4",
+    "typescript": "^3.2.2",
     "webpack": "4.26.1",
-    "webpack-cli": "3.1.2",
-    "cross-fetch": "^2.2.3"
+    "webpack-cli": "3.1.2"
   },
   "main": "dist/client.js",
   "types": "dist/client.d.ts",