Add codecov (#318)

Fixes #258

.gitignore

@@ -5,3 +5,4 @@ dist-self-build
 example-runner/example-repos
 integrations/gulp-plugin/dist
 .nyc_output
+coverage.lcov

.nycrc

@@ -0,0 +1,9 @@
+{
+  "include": [
+    "src/**/*"
+  ],
+  "extension": [
+    ".ts"
+  ],
+  "all": true
+}

.travis.yml

@@ -25,7 +25,7 @@ matrix:
         - yarn run-examples tslint apollo-client
     - script:
         - yarn build
-        - yarn test
+        - 'yarn test && yarn coverage'
         - yarn run-examples decaffeinate decaffeinate-parser coffee-lex
     - node_js: '8'
       script:

package.json

@@ -24,8 +24,9 @@
     "prepublishOnly": "yarn clean && yarn build",
     "release": "sucrase-node script/release.ts",
     "run-examples": "sucrase-node example-runner/example-runner.ts",
-    "test": "yarn lint && yarn test-only",
-    "test-only": "mocha './test/**/*.ts'"
+    "test": "yarn lint && nyc yarn test-only",
+    "test-only": "mocha './test/**/*.ts'",
+    "coverage": "nyc report --reporter=text-lcov > coverage.lcov && codecov"
   },
   "repository": {
     "type": "git",
@@ -53,6 +54,7 @@
     "@types/mocha": "^2.2.43",
     "@types/mz": "^0.0.32",
     "@types/node": "^8.0.31",
+    "codecov": "^3.1.0",
     "eslint": "^4.13.1",
     "eslint-config-airbnb-base": "^12.1.0",
     "eslint-config-prettier": "^2.9.0",
@@ -62,6 +64,7 @@
     "mocha": "^3.5.3",
     "nyc": "^12.0.2",
     "prettier": "^1.12.1",
+    "source-map-support": "^0.5.9",
     "sucrase": "^3.5.0",
     "tslint": "^5.9.1",
     "tslint-language-service": "^0.9.9",

test/mocha.opts

@@ -1 +1,2 @@
 --require sucrase/register
+--require source-map-support/register