diff --git a/.travis.yml b/.travis.yml
index 2d4c0d80..e050b9f4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,6 +14,7 @@ addons:
   chrome: stable
 cache: yarn
 before_script: npm run bundle && npm run compile:cli
+after_script: cat ./coverage/lcov.info | coveralls
 deploy:
 - provider: npm
   skip_cleanup: true
diff --git a/package.json b/package.json
index 1136304c..04bab354 100644
--- a/package.json
+++ b/package.json
@@ -52,6 +52,7 @@
     "beautify-benchmark": "^0.2.4",
     "conventional-changelog-cli": "^1.3.5",
     "core-js": "^2.5.1",
+    "coveralls": "^3.0.0",
     "css-loader": "^0.28.11",
     "cypress": "~2.1.0",
     "enzyme": "^3.1.1",
@@ -146,13 +147,18 @@
       "json"
     ],
     "moduleNameMapper": {
-      "\\.(css|less)$": "<rootDir>/empty.js"
+      "\\.(css|less)$": "<rootDir>/src/empty.js"
     },
     "globals": {
       "ts-jest": {
         "skipBabel": true
       }
-    }
+    },
+    "collectCoverageFrom": [
+      "src/**/*.{ts,tsx}"
+    ],
+    "coverageReporters": ["json", "lcov", "text-summary"],
+    "coveragePathIgnorePatterns": ["\\.d\\.ts$"]
   },
   "prettier": {
     "singleQuote": true,
diff --git a/empty.js b/src/empty.js
similarity index 100%
rename from empty.js
rename to src/empty.js
diff --git a/src/types/components.ts b/src/types/components.d.ts
similarity index 100%
rename from src/types/components.ts
rename to src/types/components.d.ts
diff --git a/src/types/index.ts b/src/types/index.d.ts
similarity index 100%
rename from src/types/index.ts
rename to src/types/index.d.ts
diff --git a/src/types/open-api.ts b/src/types/open-api.d.ts
similarity index 100%
rename from src/types/open-api.ts
rename to src/types/open-api.d.ts
diff --git a/yarn.lock b/yarn.lock
index 65d1b606..ad8d5e41 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2471,6 +2471,16 @@ core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
 
+coveralls@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/coveralls/-/coveralls-3.0.0.tgz#22ef730330538080d29b8c151dc9146afde88a99"
+  dependencies:
+    js-yaml "^3.6.1"
+    lcov-parse "^0.0.10"
+    log-driver "^1.2.5"
+    minimist "^1.2.0"
+    request "^2.79.0"
+
 cpx@^1.5.0:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/cpx/-/cpx-1.5.0.tgz#185be018511d87270dedccc293171e37655ab88f"
@@ -5548,6 +5558,10 @@ lcid@^1.0.0:
   dependencies:
     invert-kv "^1.0.0"
 
+lcov-parse@^0.0.10:
+  version "0.0.10"
+  resolved "https://registry.yarnpkg.com/lcov-parse/-/lcov-parse-0.0.10.tgz#1b0b8ff9ac9c7889250582b70b71315d9da6d9a3"
+
 left-pad@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/left-pad/-/left-pad-1.2.0.tgz#d30a73c6b8201d8f7d8e7956ba9616087a68e0ee"
@@ -5778,6 +5792,10 @@ lodash@^4.13.1, lodash@^4.14.0, lodash@^4.15.0, lodash@^4.17.2, lodash@^4.17.3,
   version "4.17.5"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.5.tgz#99a92d65c0272debe8c96b6057bc8fbfa3bed511"
 
+log-driver@^1.2.5:
+  version "1.2.7"
+  resolved "https://registry.yarnpkg.com/log-driver/-/log-driver-1.2.7.tgz#63b95021f0702fedfa2c9bb0a24e7797d71871d8"
+
 log-symbols@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/log-symbols/-/log-symbols-1.0.2.tgz#376ff7b58ea3086a0f09facc74617eca501e1a18"
@@ -7851,7 +7869,7 @@ request-promise-native@^1.0.5:
     stealthy-require "^1.1.0"
     tough-cookie ">=2.3.3"
 
-request@2:
+request@2, request@^2.79.0:
   version "2.85.0"
   resolved "https://registry.yarnpkg.com/request/-/request-2.85.0.tgz#5a03615a47c61420b3eb99b7dba204f83603e1fa"
   dependencies: