make sure esformatter.rc doesn't load config file if user provides a …

…'preset' or if 'root == true', also make sure it merges the customOptions

lib/options.js

@@ -57,6 +57,12 @@ exports.get = function(prop) {
 
 exports.getRc = getRc;
 function getRc(filePath, customOptions) {
+  // if user sets the "preset" we don't load any other config file
+  // we assume the "preset" overrides any user settings
+  if (customOptions && (customOptions.preset || customOptions.root)) {
+    return customOptions;
+  }
+
   if (isObject(filePath)) {
     customOptions = filePath;
     filePath = null;

test/api.spec.js

@@ -0,0 +1,75 @@
+//jshint node:true
+/*global describe, it*/
+"use strict";
+
+var expect = require('chai').expect;
+var esformatter = require('../lib/esformatter');
+
+
+describe('API', function() {
+
+  describe('exposed API', function() {
+    // plugins might need to access some internal methods from esformatter
+    // so we check if these methods are really available
+    var indent = require('../lib/indent');
+    var limit = require('../lib/limit');
+    var options = require('../lib/options');
+    var br = require('../lib/lineBreak');
+    var ws = require('../lib/whiteSpace');
+
+    it('shoud expose useful methods to plugin authors', function() {
+      // we don't need to check implementation here since these methods are
+      // used internally
+      expect(indent.indentInBetween).to.be.a('function');
+      expect(indent.indentBefore).to.be.a('function');
+      expect(limit.before).to.be.a('function');
+      expect(limit.after).to.be.a('function');
+      expect(limit.around).to.be.a('function');
+      expect(br.limit).to.be.a('function');
+      expect(br.limitBefore).to.be.a('function');
+      expect(br.limitAfter).to.be.a('function');
+      expect(ws.limit).to.be.a('function');
+      expect(ws.limitBefore).to.be.a('function');
+      expect(ws.limitAfter).to.be.a('function');
+      expect(options.set).to.be.a('function');
+      expect(options.get).to.be.a('function');
+      expect(options.getRc).to.be.a('function');
+      expect(options.loadAndParseConfig).to.be.a('function');
+      expect(esformatter.rc).to.be.a('function');
+    });
+  });
+
+  describe('esformatter.rc', function() {
+    // PS: CLI is already testing this method indirectly, we are only checking
+    // for edge cases for now
+
+    it('should return custom options if root == true', function() {
+      expect(
+        esformatter.rc(null, {root:true})
+      ).to.be.eql({root:true});
+    });
+
+    it('should return custom options if preset', function() {
+      expect(
+        esformatter.rc(null, {preset:'default'})
+      ).to.be.eql({preset:'default'});
+    });
+
+    it('should merge the custom option', function() {
+      var customOpts = {
+        whiteSpace: {
+          before: {
+            "ArrayExpressionClosing" : 1
+          },
+          after: {
+            "ArrayExpressionOpening" : 1
+          }
+        }
+      };
+      var result = esformatter.rc('test/compare/rc/top-in.js', customOpts);
+      expect(result.whiteSpace.before.FunctionDeclarationOpeningBrace).to.be.eql(0);
+      expect(result.whiteSpace.before.ArrayExpressionClosing).to.be.eql(1);
+      expect(result.whiteSpace.after.ArrayExpressionOpening).to.be.eql(1);
+    });
+  });
+});

test/plugins.spec.js

@@ -102,39 +102,6 @@ describe('plugin API', function() {
     });
 
   });
-
-
-  describe('exposed API', function() {
-    // plugins might need to access some internal methods from esformatter
-    // so we check if these methods are really available
-    var indent = require('../lib/indent');
-    var limit = require('../lib/limit');
-    var options = require('../lib/options');
-    var br = require('../lib/lineBreak');
-    var ws = require('../lib/whiteSpace');
-
-    it('shoud expose useful methods to plugin authors', function() {
-      // we don't need to check implementation here since these methods are
-      // used internally
-      expect(indent.indentInBetween).to.be.a('function');
-      expect(indent.indentBefore).to.be.a('function');
-      expect(limit.before).to.be.a('function');
-      expect(limit.after).to.be.a('function');
-      expect(limit.around).to.be.a('function');
-      expect(br.limit).to.be.a('function');
-      expect(br.limitBefore).to.be.a('function');
-      expect(br.limitAfter).to.be.a('function');
-      expect(ws.limit).to.be.a('function');
-      expect(ws.limitBefore).to.be.a('function');
-      expect(ws.limitAfter).to.be.a('function');
-      expect(options.set).to.be.a('function');
-      expect(options.get).to.be.a('function');
-      expect(options.getRc).to.be.a('function');
-      expect(options.loadAndParseConfig).to.be.a('function');
-      expect(esformatter.rc).to.be.a('function');
-    });
-  });
-
 });
 
 

test/runner.js

@@ -34,6 +34,7 @@ if (process.env.INVERT) {
 m.addFile('test/format.spec.js');
 m.addFile('test/transform.spec.js');
 m.addFile('test/cli.spec.js');
+m.addFile('test/api.spec.js');
 m.addFile('test/plugins.spec.js');
 
 m.run(function(err) {