Add nyc and browser code coverage (#169)

* remove old coverage setup

* add nyc and coveralls

* temporarily depend on airtap/airtap#coverage

* coverage is opt-in now

* remove faucet

* Switch to airtap@0.0.9

.gitignore

@@ -1,3 +1,4 @@
 node_modules
 coverage
 npm-debug.log
+.nyc_output

.travis.yml

@@ -12,8 +12,6 @@ matrix:
     env: CMD=test
   - node_js: 10
     env: CMD=test
-  - node_js: stable
-    env: CMD=report-coverage
   - node_js: stable
     env: CMD=test-browsers
     addons:
@@ -24,5 +22,7 @@ matrix:
 script:
   - DEBUG=airtap:* npm run $CMD
 
+after_success: npm run coverage
+
 notifications:
   email: false

package.json

@@ -26,10 +26,9 @@
     "safe-buffer": "~5.1.1"
   },
   "devDependencies": {
-    "airtap": "^0.0.8",
-    "faucet": "^0.0.1",
-    "istanbul": "^0.4.2",
-    "istanbul-coveralls": "^1.0.3",
+    "airtap": "0.0.9",
+    "coveralls": "^3.0.2",
+    "nyc": "^12.0.2",
     "rimraf": "^2.6.2",
     "standard": "^11.0.0",
     "tape": "^4.8.0"
@@ -38,11 +37,10 @@
     "./immediate.js": "./immediate-browser.js"
   },
   "scripts": {
-    "test": "standard && node test.js | faucet",
-    "test-browsers": "airtap --sauce-connect --loopback airtap.local --no-coverage test.js",
-    "test-browser-local": "airtap --no-coverage --local 9000 test.js",
-    "coverage": "istanbul cover -i memdown.js ./node_modules/.bin/tape ./test.js && istanbul check-coverage --lines 90 --function 80 --statements 90 --branches 80",
-    "report-coverage": "npm run coverage && istanbul-coveralls"
+    "test": "standard && nyc node test.js",
+    "test-browsers": "airtap --sauce-connect --loopback airtap.local --coverage test.js",
+    "test-browser-local": "airtap --coverage --local 9000 test.js",
+    "coverage": "nyc report --reporter=text-lcov | coveralls"
   },
   "license": "MIT",
   "engines": {