ignore case in prefix

Author: rschick

lib/utils.js

@@ -44,7 +44,7 @@ var env = exports.env = function (prefix, env) {
   var obj = {}
   var l = prefix.length
   for(var k in env) {
-    if(k.toLowerCase().indexOf(prefix) === 0) {
+    if(k.toLowerCase().indexOf(prefix.toLowerCase()) === 0) {
 
       var keypath = k.substring(l).split('__')
 

test/nested-env-vars.js

@@ -23,24 +23,28 @@ process.env[n+'___z__i__'] = 9999
 // should ignore case for config name section.
 process.env[N+'_test_upperCase'] = 187
 
-var config = require('../')(n, {
-  option: true
-})
-
-console.log('\n\n------ nested-env-vars ------\n',config)
-
-assert.equal(config.option, true)
-assert.equal(config.someOpt.a, 42)
-assert.equal(config.someOpt.x, 99)
-// Should not override `a` once it's been set
-assert.equal(config.someOpt.a/*.b*/, 42)
-// Should not override `x` once it's been set
-assert.equal(config.someOpt.x/*.y*/, 99)
-assert.equal(config.someOpt.z, 186577)
-// Should not override `z` once it's been set
-assert.equal(config.someOpt.z/*.x*/, 186577)
-assert.equal(config.someOpt.w.w, 18629)
-assert.equal(config.z.i, 9999)
-
-assert.equal(config.test_upperCase, 187)
-
+function testPrefix(prefix) {
+	var config = require('../')(prefix, {
+	  option: true
+	})
+
+	console.log('\n\n------ nested-env-vars ------\n',{prefix: prefix}, '\n', config);
+
+	assert.equal(config.option, true)
+	assert.equal(config.someOpt.a, 42)
+	assert.equal(config.someOpt.x, 99)
+	// Should not override `a` once it's been set
+	assert.equal(config.someOpt.a/*.b*/, 42)
+	// Should not override `x` once it's been set
+	assert.equal(config.someOpt.x/*.y*/, 99)
+	assert.equal(config.someOpt.z, 186577)
+	// Should not override `z` once it's been set
+	assert.equal(config.someOpt.z/*.x*/, 186577)
+	assert.equal(config.someOpt.w.w, 18629)
+	assert.equal(config.z.i, 9999)
+
+	assert.equal(config.test_upperCase, 187)
+}
+
+testPrefix(n);
+testPrefix(N);