From 4348d987016f53c41df94daadb9b068b5452516d Mon Sep 17 00:00:00 2001
From: Jonathan Wilsson <jonathan.wilsson@gmail.com>
Date: Wed, 21 Dec 2016 19:16:11 +0100
Subject: [PATCH] Add a Lesshint.getConfig() method. Closes #290

---
 lib/config-loader.js        | 16 +++++++++++-----
 lib/lesshint.js             |  6 ++++++
 test/specs/config-loader.js | 30 ++++++++++++++++++++++++++++++
 test/specs/lesshint.js      | 13 +++++++++++++
 4 files changed, 60 insertions(+), 5 deletions(-)

diff --git a/lib/config-loader.js b/lib/config-loader.js
index 27d6ce1b..bcb253bf 100644
--- a/lib/config-loader.js
+++ b/lib/config-loader.js
@@ -17,18 +17,24 @@ var loadConfig = function (path) {
     return JSON.parse(data);
 };
 
-module.exports = function (config) {
+module.exports = function (path) {
     var rcfinder;
+    var config;
+    var stats;
 
-    // Check if a config file is passed and try to load it, otherwise try and find one
-    if (config) {
-        config = loadConfig(config);
+    path = path || process.cwd();
+    stats = fs.statSync(path);
+
+    if (stats.isFile()) {
+        // A file was passed, try to load it
+        config = loadConfig(path);
     } else {
+        // Try to find a config file instead
         rcfinder = new RcFinder('.lesshintrc', {
             loader: loadConfig
         });
 
-        config = rcfinder.find(process.cwd());
+        config = rcfinder.find(path);
     }
 
     return config;
diff --git a/lib/lesshint.js b/lib/lesshint.js
index 9a72386f..a6318077 100644
--- a/lib/lesshint.js
+++ b/lib/lesshint.js
@@ -129,6 +129,12 @@ Lesshint.prototype.isExcluded = function (checkPath) {
     });
 };
 
+Lesshint.prototype.getConfig = function (path) {
+    var config = configLoader(path);
+
+    return config;
+};
+
 Lesshint.prototype.getReporter = function (reporter) {
     var reporterPath;
 
diff --git a/test/specs/config-loader.js b/test/specs/config-loader.js
index b1cd53e5..a7a1ea56 100644
--- a/test/specs/config-loader.js
+++ b/test/specs/config-loader.js
@@ -57,4 +57,34 @@ describe('config-loader', function () {
 
         expect(loader).to.not.throw(Error);
     });
+
+    it('should load a config file when passed one', function () {
+        var configPath = path.join(path.dirname(__dirname), '/data/config/config.json');
+        var expected = JSON.parse(fs.readFileSync(configPath, 'utf8'));
+        var config;
+
+        config = configLoader(configPath);
+
+        expect(config).to.deep.equal(expected);
+    });
+
+    it('should look for a .lesshintrc file when passed a directory', function () {
+        var configPath = path.resolve(__dirname, '../.lesshintrc');
+        var result;
+
+        var expected = {
+            spaceBeforeBrace: {
+                enabled: true,
+                style: 'one_space'
+            }
+        };
+
+        fs.writeFileSync(configPath, JSON.stringify(expected));
+
+        result = configLoader(__dirname);
+
+        expect(result).to.deep.equal(expected);
+
+        rimraf.sync(configPath);
+    });
 });
diff --git a/test/specs/lesshint.js b/test/specs/lesshint.js
index 5824262f..0ac2c099 100644
--- a/test/specs/lesshint.js
+++ b/test/specs/lesshint.js
@@ -226,6 +226,19 @@ describe('lesshint', function () {
         });
     });
 
+    describe('getConfig', function () {
+        it('should load the specified config file', function () {
+            var configPath = path.join(path.dirname(__dirname), '/data/config/config.json');
+            var expected = configLoader(configPath);
+            var lesshint = new Lesshint();
+            var config;
+
+            config = lesshint.getConfig(configPath);
+
+            expect(config).to.deep.equal(expected);
+        });
+    });
+
     describe('getReporter', function () {
         it('should load the specified reporter by path', function () {
             var lesshint = new Lesshint();