add browser test

.travis.yml

@@ -1,12 +1,23 @@
 language: node_js
 
-node_js:
-  - "lts/*"
-  - "node"
+cache:
+  directories:
+    - node_modules
 
-notifications:
-  email: false
+matrix:
+  include:
+    - node_js: "lts/*"
+      env: YARN_TASK=coverage
+    - node_js: "node"
+      env: YARN_TASK=coverage
+    - node_js: "node"
+      env: YARN_TASK=test_browser
+      addons:
+        chrome: stable
+
+script: yarn run $YARN_TASK
 
-script: npm run coverage
+after_success: yarn run coveralls
 
-after_success: 'npm run coveralls'
+notifications:
+  email: false

karma.conf.js

@@ -0,0 +1,29 @@
+module.exports = function (config) {
+    config.set({
+        frameworks: ["mocha", "karma-typescript"],
+        files: [
+            { pattern: "src/**/*.ts" }
+        ],
+        preprocessors: {
+            "**/*.ts": ["karma-typescript"]
+        },
+        reporters: ["mocha", "karma-typescript"],
+        browsers: ["Chrome"],
+        karmaTypescriptConfig: {
+            compilerOptions: {
+                target: "ES5",
+                lib: ["es2015", "dom"]
+            },
+            tsconfig: "tsconfig.json",
+            reports: {
+                "text": "",
+                "lcovonly": {
+                    "directory": "coverage",
+                    "filename": "lcov.info",
+                    "subdirectory": "/"
+                },
+            }
+        },
+        singleRun: true
+    });
+};

package.json

@@ -1,15 +1,16 @@
 {
   "name": "dvbjs",
   "version": "5.0.0",
-  "description": "query Dresden's public transport system for current bus- and tramstop data",
+  "description": "query Dresden's public transport system for current bus- and tram stop data",
   "main": "dist/index.js",
   "typings": "dist/index.d.ts",
   "scripts": {
     "build": "yarn lint && tsc -p .",
     "clean": "rimraf coverage lib",
-    "test": "mocha",
+    "test": "mocha --opts mocha.opts",
+    "test_browser": "karma start",
     "coverage": "nyc mocha --opts mocha.opts",
-    "coveralls": "nyc report --reporter=text-lcov | coveralls",
+    "coveralls": "cat ./coverage/lcov.info | coveralls",
     "lint": "tslint src/**/*.ts --fix"
   },
   "repository": {
@@ -71,6 +72,11 @@
     "chai-as-promised": "^7.1.1",
     "coveralls": "^3.0.2",
     "fs-extra-promise": "^1.0.1",
+    "karma": "^2.0.5",
+    "karma-chrome-launcher": "^2.2.0",
+    "karma-mocha": "^1.3.0",
+    "karma-mocha-reporter": "^2.2.5",
+    "karma-typescript": "^3.0.13",
     "mocha": "^5.2.0",
     "mockery": "^2.1.0",
     "nyc": "^12.0.2",
@@ -85,14 +91,15 @@
       ".ts"
     ],
     "exclude": [
+      "**/*.js",
       "**/*.spec.ts",
       "**/*.d.ts",
       "coverage",
       "dist"
     ],
     "reporter": [
       "text",
-      "html"
+      "lcov"
     ],
     "all": true
   }