1 files changed, 11 insertions, 0 deletions
diff --git a/node_modules/nyc/index.js b/node_modules/nyc/index.js
index 4a989749a..b31c1abcf 100755
--- a/node_modules/nyc/index.js
+++ b/node_modules/nyc/index.js
@@ -367,6 +367,13 @@ NYC.prototype.writeCoverageFile = function () {
   var coverage = coverageFinder()
   if (!coverage) return
 
+  // Remove any files that should be excluded but snuck into the coverage
+  Object.keys(coverage).forEach(function (absFile) {
+    if (!this.exclude.shouldInstrument(absFile)) {
+      delete coverage[absFile]
+    }
+  }, this)
+
   if (this.cache) {
     Object.keys(coverage).forEach(function (absFile) {
       if (this.hashCache[absFile] && coverage[absFile]) {
@@ -407,11 +414,15 @@ function coverageFinder () {
 }
 
 NYC.prototype._getCoverageMapFromAllCoverageFiles = function () {
+  var _this = this
   var map = libCoverage.createCoverageMap({})
 
   this.loadReports().forEach(function (report) {
     map.merge(report)
   })
+  map.filter(function (filename) {
+    return _this.exclude.shouldInstrument(filename)
+  })
   map.data = this.sourceMaps.remapCoverage(map.data)
   return map
 }