fix: Purge source-map cache before reporting if cache is disabled. (#…

…1080)
istanbuljs · Apr 24, 2019 · 3d9eaa4 · 3d9eaa4
1 parent 132a074
commit 3d9eaa4
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Showing 4 changed files with 13 additions and 22 deletions.
diff --git a/bin/nyc.js b/bin/nyc.js
@@ -67,6 +67,7 @@ if ([
 
     nyc.writeProcessIndex()
 
+    nyc.maybePurgeSourceMapCache()
     if (argv.checkCoverage) {
       nyc.checkCoverage({
         lines: argv.lines,

diff --git a/index.js b/index.js
@@ -236,6 +236,12 @@ class NYC {
     return this._transform(code, filename)
   }
 
+  maybePurgeSourceMapCache () {
+    if (!this.cache) {
+      this.sourceMaps.purgeCache()
+    }
+  }
+
   _transformFactory (cacheDir) {
     const instrumenter = this.instrumenter()
     let instrumented

diff --git a/lib/source-maps.js b/lib/source-maps.js
@@ -4,12 +4,16 @@ const libSourceMaps = require('istanbul-lib-source-maps')
 const fs = require('fs')
 const path = require('path')
 
-const sourceMapCache = libSourceMaps.createSourceMapStore()
 function SourceMaps (opts) {
   this.cache = opts.cache
   this.cacheDirectory = opts.cacheDirectory
   this.loadedMaps = {}
-  this._sourceMapCache = sourceMapCache
+  this._sourceMapCache = libSourceMaps.createSourceMapStore()
+}
+
+SourceMaps.prototype.purgeCache = function () {
+  this._sourceMapCache = libSourceMaps.createSourceMapStore()
+  this.loadedMaps = {}
 }
 
 SourceMaps.prototype.extractAndRegister = function (code, filename, hash) {

diff --git a/test/source-maps.js b/test/source-maps.js