Add codecov

Author: paveltiunov

packages/cubejs-schema-compiler/compiler/CubeSymbols.js

@@ -2,7 +2,7 @@ const R = require('ramda');
 const UserError = require('./UserError');
 const DynamicReference = require('./DynamicReference');
 
-const FunctionRegex = /function\s+\w+\(([A-Za-z0-9_,]*)|\(([\s\S]*?)\)\s+|\(?(\w+)\)?\s+=>\s/;
+const FunctionRegex = /function\s+\w+\(([A-Za-z0-9_,]*)|\(([\s\S]*?)\)\s*=>|\(?(\w+)\)?\s*=>/;
 const CONTEXT_SYMBOLS = {
   USER_CONTEXT: 'userContext',
   FILTER_PARAMS: 'filterParams',

packages/cubejs-schema-compiler/package.json

@@ -12,7 +12,7 @@
     "node": ">=8.11.1"
   },
   "scripts": {
-    "test": "istanbul cover ./node_modules/mocha/bin/_mocha --report lcovonly -- -R spec && codecov",
+    "test": "nyc --reporter=lcov mocha",
     "lint": "eslint adapter/*.js compiler/*.js extensions/*.js scaffolding/*.js parser/SqlParser.js"
   },
   "dependencies": {
@@ -42,6 +42,7 @@
     "mocha": "^3.4.2",
     "mssql": "^6.1.0",
     "mysql": "^2.17.1",
+    "nyc": "^15.0.0",
     "pg-promise": "^7.3.2",
     "request": "^2.88.0",
     "request-promise": "^4.2.4",