Add support for --root (#542)

istanbuljs · Jun 30, 2017 · 28d8df7 · 28d8df7
1 parent e9fad9f
commit 28d8df7
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Showing 2 changed files with 10 additions and 1 deletion.
diff --git a/lib/config-util.js b/lib/config-util.js
@@ -41,7 +41,7 @@ Config.loadConfig = function (argv, cwd) {
   config.extension = arrify(config.extension)
   config.exclude = arrify(config.exclude)
   config.include = arrify(config.include)
-  config.cwd = cwd
+  config.cwd = config.root || cwd
 
   return config
 }
@@ -132,6 +132,10 @@ Config.buildYargs = function (cwd) {
       describe: 'a list of specific files that should be covered, glob patterns are supported',
       global: false
     })
+    .option('root', {
+      describe: 'the root path to look for files to instrument',
+      global: false
+    })
     .option('require', {
       alias: 'i',
       default: [],

diff --git a/test/src/nyc-tap.js b/test/src/nyc-tap.js
@@ -61,6 +61,11 @@ describe('nyc', function () {
       var nyc = new NYC(configUtil.loadConfig([], __dirname))
       nyc.cwd.should.eql(path.join(__dirname, '../..'))
     })
+
+    it('uses --root for cwd if it is set (highest priority and no look upwards for package.json) ', function () {
+      var nyc = new NYC(configUtil.loadConfig(['--root', __dirname], __dirname))
+      nyc.cwd.should.eql(__dirname)
+    })
   })
 
   describe('config', function () {