start supporting coffeescript 2

package.json

@@ -1,5 +1,5 @@
 {
-  "name": "coffee-coverage",
+  "name": "coffee-coverage-v2",
   "description": "Istanbul and JSCoverage-style instrumentation for CoffeeScript files.",
   "keywords": [
     "javascript",
@@ -12,7 +12,7 @@
     "jscoverage",
     "coveralls"
   ],
-  "version": "2.0.1",
+  "version": "2.0.2",
   "author": "Benbria (http://www.benbria.com/)",
   "contributors": [
     "Jason Walton <dev@lucid.thedreaming.org> (https://github.com/jwalton)",
@@ -52,14 +52,14 @@
     "sinon": "^1.14.1"
   },
   "scripts": {
-    "prepublish": "npm run build",
+    "prepublish": "npm run build && mocha",
     "test": "npm run build && mocha && istanbul report",
     "coverage-report": "istanbul report text-summary lcov",
     "build": "coffee -c -o lib src",
     "clean": "rm -rf lib coverage",
     "distclean": "npm run clean && rm -rf node_modules"
   },
   "engines": {
-    "node": ">=0.8.0"
+    "node": ">=8.9.0"
   }
 }

src/coffeeCoverage.coffee

@@ -25,8 +25,9 @@ exports.INSTRUMENTORS = INSTRUMENTORS = {
 }
 
 class CoverageError extends Error
-    constructor: (@message) ->
-        super message
+    constructor: (message) ->
+        super()
+        @message = message
         @name = "CoverageError"
         Error.captureStackTrace this, arguments.callee
 

src/instrumentors/Istanbul.coffee

@@ -148,6 +148,12 @@ module.exports = class Istanbul
     # Called on each non-comment statement within a Block.  If a `visitXXX` exists for the
     # specific node type, it will also be called after `visitStatement`.
     visitStatement: (node) ->
+        grandParentType = node.parent?.parent?.node?.constructor?.name
+
+        if grandParentType is "StringWithInterpolations" and !node.parent.parent.skipped
+            node.parent.parent.skipped = true
+            return
+
         # Ignore nodes marked 'noCoverage'
         return if node.isMarked('noCoverage')