ci(coverage): replace istanbul with nyc (#325)

.gitignore

@@ -1,28 +1,87 @@
+
+# Created by https://www.gitignore.io/api/node
+# Edit at https://www.gitignore.io/?templates=node
+
+### Node ###
 # Logs
 logs
 *.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
 
 # Runtime data
 pids
 *.pid
 *.seed
+*.pid.lock
 
 # Directory for instrumented libs generated by jscoverage/JSCover
 lib-cov
 
 # Coverage directory used by tools like istanbul
 coverage
 
-# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
 .grunt
 
-# Compiled binary addons (http://nodejs.org/api/addons.html)
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
 build/Release
 
-# Dependency directory
-# Commenting this out is preferred by some people, see
-# https://www.npmjs.org/doc/misc/npm-faq.html#should-i-check-my-node_modules-folder-into-git-
-node_modules
+# Dependency directories
+node_modules/
+jspm_packages/
 
-# Users Environment Variables
-.lock-wscript
+# TypeScript v1 declaration files
+typings/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+.env.test
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+
+# next.js build output
+.next
+
+# nuxt.js build output
+.nuxt
+
+# vuepress build output
+.vuepress/dist
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# End of https://www.gitignore.io/api/node