From e9131cb8cff3a65887e943fb70c1c1caba1bbfd4 Mon Sep 17 00:00:00 2001
From: Dan Allen <dan.j.allen@gmail.com>
Date: Mon, 12 Feb 2018 22:01:54 -0700
Subject: [PATCH] feat: resolve custom cache directory to absolute path (#766)

---
 index.js    |  2 +-
 test/nyc.js | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/index.js b/index.js
index f27d0deea..7d0350928 100755
--- a/index.js
+++ b/index.js
@@ -49,7 +49,7 @@ function NYC (config) {
   this.cwd = config.cwd || process.cwd()
   this.reporter = arrify(config.reporter || 'text')
 
-  this.cacheDirectory = config.cacheDir || findCacheDir({name: 'nyc', cwd: this.cwd})
+  this.cacheDirectory = (config.cacheDir && path.resolve(config.cacheDir)) || findCacheDir({name: 'nyc', cwd: this.cwd})
   this.cache = Boolean(this.cacheDirectory && config.cache)
 
   this.exclude = testExclude({
diff --git a/test/nyc.js b/test/nyc.js
index ce8239b46..fe2fc828e 100644
--- a/test/nyc.js
+++ b/test/nyc.js
@@ -1,6 +1,7 @@
 /* global describe, it */
 
 const NYC = require('../')
+const path = require('path')
 
 require('chai').should()
 
@@ -27,4 +28,21 @@ describe('NYC', function () {
       nyc._disableCachingTransform().should.equal(false)
     })
   })
+
+  describe('cacheDirectory', function () {
+    it('should resolve default cache folder to absolute path', function () {
+      const nyc = new NYC({
+        cache: true
+      })
+      path.isAbsolute(nyc.cacheDirectory).should.equal(true)
+    })
+
+    it('should resolve custom cache folder to absolute path', function () {
+      const nyc = new NYC({
+        cacheDir: '.nyc_cache',
+        cache: true
+      })
+      path.isAbsolute(nyc.cacheDirectory).should.equal(true)
+    })
+  })
 })