Use V8 builtin coverage over nyc (open-telemetry#93)

* coverage: use native v8 over nyc

* codecov: use c8 over nyc

* gitignore: remove nyc references

.gitignore

@@ -17,9 +17,6 @@ lib-cov
 # Coverage directory used by tools like istanbul
 coverage
 
-# nyc test coverage
-.nyc_output
-
 # Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
 .grunt
 

packages/opentelemetry-context-async-hooks/package.json

@@ -6,7 +6,7 @@
   "types": "build/src/index.d.ts",
   "repository": "open-telemetry/opentelemetry-js",
   "scripts": {
-    "test": "nyc ts-mocha -p tsconfig.json test/**/*.ts",
+    "test": "c8 ts-mocha -p tsconfig.json test/**/*.ts",
     "tdd": "yarn test -- --watch-extensions ts --watch",
     "clean": "rimraf build/*",
     "check": "gts check",
@@ -40,10 +40,10 @@
   "devDependencies": {
     "@types/mocha": "^5.2.5",
     "@types/node": "^12.0.10",
+    "c8": "^5.0.1",
     "codecov": "^3.1.0",
     "gts": "^1.0.0",
     "mocha": "^6.1.0",
-    "nyc": "14.0.0",
     "ts-mocha": "^6.0.0",
     "ts-node": "^8.0.0",
     "typescript": "^3.4.5"

packages/opentelemetry-core/package.json

@@ -10,12 +10,12 @@
   "repository": "open-telemetry/opentelemetry-js",
   "scripts": {
     "test": "yarn test:node && yarn test:browser",
-    "test:node": "nyc ts-mocha -p tsconfig.json test/**/*.ts",
+    "test:node": "c8 ts-mocha -p tsconfig.json test/**/*.ts",
     "test:browser": "karma start --single-run",
     "tdd": "yarn tdd:node",
     "tdd:node": "yarn test -- --watch-extensions ts --watch",
     "tdd:browser": "karma start",
-    "codecov": "nyc report --reporter=json && codecov -f coverage/*.json",
+    "codecov": "c8 report --reporter=json && codecov -f coverage/*.json",
     "clean": "rimraf build/*",
     "check": "gts check",
     "compile": "tsc -p .",
@@ -42,7 +42,7 @@
     "LICENSE",
     "README.md"
   ],
-  "nyc": {
+  "c8": {
     "extension": [
       ".ts"
     ],
@@ -64,6 +64,7 @@
     "@types/mocha": "^5.2.5",
     "@types/node": "^10.12.12",
     "@types/webpack-env": "1.13.9",
+    "c8": "^5.0.1",
     "codecov": "^3.1.0",
     "gts": "^1.0.0",
     "karma": "^4.1.0",
@@ -72,7 +73,6 @@
     "karma-spec-reporter": "^0.0.32",
     "karma-webpack": "^4.0.2",
     "mocha": "^6.1.0",
-    "nyc": "^14.0.0",
     "ts-loader": "^6.0.4",
     "ts-mocha": "^6.0.0",
     "ts-node": "^8.0.0",

packages/opentelemetry-scope-base/package.json

@@ -6,9 +6,9 @@
   "types": "build/src/index.d.ts",
   "repository": "open-telemetry/opentelemetry-js",
   "scripts": {
-    "test": "nyc ts-mocha -p ./tsconfig.json test/**/*.ts",
-    "tdd": "yarn run test -- --watch-extensions ts --watch",
-    "codecov": "nyc report --reporter=json && codecov -f coverage/*.json",
+    "test": "c8 ts-mocha -p tsconfig.json test/**/*.ts",
+    "tdd": "yarn test -- --watch-extensions ts --watch",
+    "codecov": "c8 report --reporter=json && codecov -f coverage/*.json",
     "clean": "rimraf build/*",
     "check": "gts check",
     "compile": "tsc -p .",
@@ -40,10 +40,10 @@
   },
   "devDependencies": {
     "@types/mocha": "^5.2.5",
+    "c8": "^5.0.1",
     "codecov": "^3.1.0",
     "gts": "^1.0.0",
     "mocha": "^6.1.0",
-    "nyc": "14.0.0",
     "ts-mocha": "^6.0.0",
     "ts-node": "^8.0.0",
     "typescript": "^3.4.5"