refactor(coverage): replace deprecated package istanbul with nyc (#10459)

.gitignore

@@ -13,6 +13,7 @@ sscce.js
 package-lock.json
 package-lock.json
 yarn.lock
 yarn.lock
 
 
+.nyc_output
 coverage-*
 coverage-*
 coverage
 coverage
 test/tmp/*
 test/tmp/*

package.json

@@ -68,13 +68,13 @@
     "eslint-plugin-mocha": "^5.2.1",
     "eslint-plugin-mocha": "^5.2.1",
     "hints": "^1.x",
     "hints": "^1.x",
     "husky": "^1.3.1",
     "husky": "^1.3.1",
-    "istanbul": "^0.x",
     "js-combinatorics": "^0.5.4",
     "js-combinatorics": "^0.5.4",
     "lcov-result-merger": "^3.0.0",
     "lcov-result-merger": "^3.0.0",
     "lint-staged": "^8.1.0",
     "lint-staged": "^8.1.0",
     "mariadb": "^2.0.3",
     "mariadb": "^2.0.3",
     "mocha": "^5.x",
     "mocha": "^5.x",
     "mysql2": "^1.6.4",
     "mysql2": "^1.6.4",
+    "nyc": "^13.3.0",
     "pg": "^7.8.0",
     "pg": "^7.8.0",
     "pg-hstore": "^2.x",
     "pg-hstore": "^2.x",
     "pg-types": "^2.0.0",
     "pg-types": "^2.0.0",
@@ -148,8 +148,8 @@
     "test-all": "npm run test-mariadb && npm run test-mysql && npm run test-sqlite && npm run test-postgres && npm run test-postgres-native && npm run test-mssql",
     "test-all": "npm run test-mariadb && npm run test-mysql && npm run test-sqlite && npm run test-postgres && npm run test-postgres-native && npm run test-mssql",
     "test-typings": "tsc -b types/tsconfig.json && tsc -b types/test/tsconfig.json",
     "test-typings": "tsc -b types/tsconfig.json && tsc -b types/test/tsconfig.json",
     "cover": "rimraf coverage && npm run teaser && npm run cover-integration && npm run cover-unit && npm run merge-coverage",
     "cover": "rimraf coverage && npm run teaser && npm run cover-integration && npm run cover-unit && npm run merge-coverage",
-    "cover-integration": "cross-env COVERAGE=true ./node_modules/.bin/istanbul cover ./node_modules/mocha/bin/_mocha --require scripts/mocha-bootload --report lcovonly -- -t 30000 --exit --ui tdd \"test/integration/**/*.test.js\" && node -e \"require('fs').renameSync('coverage/lcov.info', 'coverage/integration.info')\"",
-    "cover-unit": "cross-env COVERAGE=true ./node_modules/.bin/istanbul cover ./node_modules/mocha/bin/_mocha --require scripts/mocha-bootload --report lcovonly -- -t 30000 --exit --ui tdd \"test/unit/**/*.test.js\" && node -e \"require('fs').renameSync('coverage/lcov.info', 'coverage/unit.info')\"",
+    "cover-integration": "cross-env COVERAGE=true nyc --reporter=lcovonly mocha --require scripts/mocha-bootload -t 30000 --exit --ui tdd \"test/integration/**/*.test.js\" && node -e \"require('fs').renameSync('coverage/lcov.info', 'coverage/integration.info')\"",
+    "cover-unit": "cross-env COVERAGE=true nyc --reporter=lcovonly mocha --require scripts/mocha-bootload -t 30000 --exit --ui tdd \"test/unit/**/*.test.js\" && node -e \"require('fs').renameSync('coverage/lcov.info', 'coverage/unit.info')\"",
     "merge-coverage": "lcov-result-merger \"coverage/*.info\" \"coverage/lcov.info\"",
     "merge-coverage": "lcov-result-merger \"coverage/*.info\" \"coverage/lcov.info\"",
     "sscce": "env-cmd $npm_package_options_env_cmd node sscce.js",
     "sscce": "env-cmd $npm_package_options_env_cmd node sscce.js",
     "sscce-mariadb": "cross-env DIALECT=mariadb npm run sscce",
     "sscce-mariadb": "cross-env DIALECT=mariadb npm run sscce",