chore(ci): upgrade to nyc

.gitignore

@@ -6,3 +6,4 @@ dist
 .DS_Store
 package-lock.json
 .eslintcache
+.nyc_output

.travis.yml

@@ -4,25 +4,29 @@ node_js:
   - "12"
   - "10"
 
-install: 
+env:
+  - GRAPHQL_VERSION='0.12'
+  - GRAPHQL_VERSION='0.13'
+  - GRAPHQL_VERSION='14'
+  - GRAPHQL_VERSION='rc'
+
+install:
   - npm config set spin=false
-  - npm install -g mocha coveralls
   - npm install
 
 script:
-  - node_version=$(node -v); if [[ ${node_version:1:2} == 13 && $GRAPHQL_VERSION == 14 ]]; then npm run lint; fi
-  - node_version=$(node -v); if [[ ${node_version:1:2} == 13 && $GRAPHQL_VERSION == 14 ]]; then npm run prettier:check; fi
+  - node_version=$(node -v); if [[ ${node_version:1:2} == 13 && $GRAPHQL_VERSION == 14 ]]; then
+      npm run lint;
+    fi
+  - node_version=$(node -v); if [[ ${node_version:1:2} == 13 && $GRAPHQL_VERSION == 14 ]]; then
+      npm run prettier:check;
+    fi
   - npm run compile
   - npm install graphql@$GRAPHQL_VERSION
-  - npm run testonly
+  - npm run testonly:cover
+
+after_success:
   - npm run coverage
-  - coveralls < ./coverage/lcov.info || true # if coveralls doesn't have it covered
 
 # Allow Travis tests to run in containers.
 sudo: false
-
-env:
-  - GRAPHQL_VERSION='0.12'
-  - GRAPHQL_VERSION='0.13'
-  - GRAPHQL_VERSION='14'
-  - GRAPHQL_VERSION='rc'

package.json

@@ -16,9 +16,9 @@
     "lint:watch": "esw --watch --cache --ext .js,.ts src",
     "watch": "tsc -w",
     "testonly": "mocha --reporter spec --full-trace ./dist/test/**.js --require source-map-support/register",
+    "testonly:cover": "nyc npm run testonly",
     "testonly:watch": "mocha -w --reporter spec --full-trace ./dist/test/**.js --require source-map-support/register",
-    "coverage": "istanbul cover _mocha -- --reporter dot --full-trace ./dist/test/**.js",
-    "postcoverage": "remap-istanbul --input coverage/coverage.json --type lcovonly --output coverage/lcov.info",
+    "coverage": "nyc report --reporter=text-lcov | coveralls",
     "prepublishOnly": "npm run compile",
     "prettier": "prettier --trailing-comma all --single-quote --write src/**/*.ts",
     "prettier:check": "prettier --trailing-comma all --single-quote --check src/**/*.ts",
@@ -74,6 +74,7 @@
     "babel-eslint": "^10.1.0",
     "body-parser": "^1.19.0",
     "chai": "^4.2.0",
+    "coveralls": "^3.0.9",
     "dataloader": "^2.0.0",
     "dateformat": "^3.0.3",
     "eslint": "^6.8.0",
@@ -85,10 +86,9 @@
     "graphql-subscriptions": "^1.1.0",
     "graphql-type-json": "^0.3.1",
     "graphql-upload": "^10.0.0",
-    "istanbul": "^0.4.5",
     "mocha": "^7.1.0",
+    "nyc": "^15.0.0",
     "prettier": "^1.19.1",
-    "remap-istanbul": "0.13.0",
     "rimraf": "^3.0.2",
     "source-map-support": "^0.5.16",
     "standard-version": "^7.1.0",