Remove unneeded if statement

.idea/cors.iml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="WEB_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

.idea/misc.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="JavaScriptSettings">
+    <option name="languageLevel" value="ES6" />
+  </component>
+</project>

.idea/modules.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/cors.iml" filepath="$PROJECT_DIR$/.idea/cors.iml" />
+    </modules>
+  </component>
+</project>

.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

.idea/workspace.xml

@@ -0,0 +1,232 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ChangeListManager">
+    <list default="true" id="afc214fa-2aac-4751-a85c-df046704f745" name="Default Changelist" comment="">
+      <change beforePath="$PROJECT_DIR$/cors.go" beforeDir="false" afterPath="$PROJECT_DIR$/cors.go" afterDir="false" />
+    </list>
+    <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="FUSProjectUsageTrigger">
+    <session id="1283418986">
+      <usages-collector id="statistics.lifecycle.project">
+        <counts>
+          <entry key="project.closed" value="2" />
+          <entry key="project.open.time.0" value="2" />
+          <entry key="project.open.time.1" value="1" />
+          <entry key="project.opened" value="3" />
+        </counts>
+      </usages-collector>
+      <usages-collector id="statistics.file.extensions.open">
+        <counts>
+          <entry key="go" value="14" />
+          <entry key="md" value="1" />
+          <entry key="yml" value="1" />
+        </counts>
+      </usages-collector>
+      <usages-collector id="statistics.file.types.open">
+        <counts>
+          <entry key="Go" value="14" />
+          <entry key="Markdown" value="1" />
+          <entry key="YAML" value="1" />
+        </counts>
+      </usages-collector>
+      <usages-collector id="statistics.file.extensions.edit">
+        <counts>
+          <entry key="go" value="2546" />
+        </counts>
+      </usages-collector>
+      <usages-collector id="statistics.file.types.edit">
+        <counts>
+          <entry key="Go" value="2546" />
+        </counts>
+      </usages-collector>
+      <usages-collector id="statistics.js.language.service.starts" />
+      <usages-collector id="statistics.go.postfix.template.usages.trigger" />
+    </session>
+  </component>
+  <component name="FileEditorManager">
+    <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/config.go">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="-1669">
+              <caret line="26" column="30" selection-start-line="26" selection-start-column="30" selection-end-line="26" selection-end-column="30" />
+              <folding>
+                <element signature="e#14#76#0" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/cors.go">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="741">
+              <caret line="138" column="57" selection-start-line="138" selection-start-column="57" selection-end-line="138" selection-end-column="57" />
+              <folding>
+                <element signature="e#14#82#0" expanded="true" />
+              </folding>
+            </state>
+          </provider>
+        </entry>
+      </file>
+    </leaf>
+  </component>
+  <component name="FindInProjectRecents">
+    <findStrings>
+      <find>Index</find>
+    </findStrings>
+  </component>
+  <component name="GOROOT" path="/usr/local/Cellar/go/1.11/libexec" />
+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
+  </component>
+  <component name="IdeDocumentHistory">
+    <option name="CHANGED_PATHS">
+      <list>
+        <option value="$PROJECT_DIR$/cors_test.go" />
+        <option value="$PROJECT_DIR$/config.go" />
+        <option value="$PROJECT_DIR$/cors.go" />
+      </list>
+    </option>
+  </component>
+  <component name="JsBuildToolGruntFileManager" detection-done="true" sorting="DEFINITION_ORDER" />
+  <component name="JsBuildToolPackageJson" detection-done="true" sorting="DEFINITION_ORDER" />
+  <component name="JsGulpfileManager">
+    <detection-done>true</detection-done>
+    <sorting>DEFINITION_ORDER</sorting>
+  </component>
+  <component name="ProjectFrameBounds" extendedState="6">
+    <option name="x" value="1440" />
+    <option name="y" value="-180" />
+    <option name="width" value="1920" />
+    <option name="height" value="1080" />
+  </component>
+  <component name="ProjectView">
+    <navigator proportions="" version="1">
+      <foldersAlwaysOnTop value="true" />
+    </navigator>
+    <panes>
+      <pane id="ProjectPane">
+        <subPane>
+          <expand>
+            <path>
+              <item name="cors" type="b2602c69:ProjectViewProjectNode" />
+              <item name="cors" type="462c0819:PsiDirectoryNode" />
+            </path>
+          </expand>
+          <select />
+        </subPane>
+      </pane>
+      <pane id="Scope" />
+    </panes>
+  </component>
+  <component name="PropertiesComponent">
+    <property name="SearchEverywhereHistoryKey" value="con&#9;FILE&#9;file:///Users/groovili/go/src/cors/config.go" />
+    <property name="go.gopath.indexing.explicitly.defined" value="true" />
+    <property name="go.sdk.automatically.set" value="true" />
+    <property name="last_opened_file_path" value="$USER_HOME$" />
+    <property name="nodejs_interpreter_path.stuck_in_default_project" value="undefined stuck path" />
+    <property name="nodejs_npm_path_reset_for_default_project" value="true" />
+  </component>
+  <component name="RunDashboard">
+    <option name="ruleStates">
+      <list>
+        <RuleState>
+          <option name="name" value="ConfigurationTypeDashboardGroupingRule" />
+        </RuleState>
+        <RuleState>
+          <option name="name" value="StatusDashboardGroupingRule" />
+        </RuleState>
+      </list>
+    </option>
+  </component>
+  <component name="ToolWindowManager">
+    <frame x="1440" y="-180" width="1920" height="1080" extended-state="6" />
+    <editor active="true" />
+    <layout>
+      <window_info active="true" content_ui="combo" id="Project" order="0" visible="true" weight="0.2550586" />
+      <window_info id="Structure" order="1" side_tool="true" weight="0.25" />
+      <window_info id="Favorites" order="2" side_tool="true" />
+      <window_info anchor="bottom" id="Message" order="0" />
+      <window_info anchor="bottom" id="Find" order="1" />
+      <window_info anchor="bottom" id="Run" order="2" />
+      <window_info anchor="bottom" id="Debug" order="3" weight="0.4" />
+      <window_info anchor="bottom" id="Cvs" order="4" weight="0.25" />
+      <window_info anchor="bottom" id="Inspection" order="5" weight="0.4" />
+      <window_info anchor="bottom" id="TODO" order="6" />
+      <window_info anchor="bottom" id="Docker" order="7" />
+      <window_info anchor="bottom" id="Database Changes" order="8" show_stripe_button="false" />
+      <window_info anchor="bottom" id="Version Control" order="9" />
+      <window_info anchor="bottom" id="Terminal" order="10" />
+      <window_info anchor="bottom" id="Event Log" order="11" side_tool="true" />
+      <window_info anchor="right" id="Commander" internal_type="SLIDING" order="0" type="SLIDING" weight="0.4" />
+      <window_info anchor="right" id="Ant Build" order="1" weight="0.25" />
+      <window_info anchor="right" content_ui="combo" id="Hierarchy" order="2" weight="0.25" />
+      <window_info anchor="right" id="Database" order="3" />
+    </layout>
+  </component>
+  <component name="TypeScriptGeneratedFilesManager">
+    <option name="version" value="1" />
+  </component>
+  <component name="VcsContentAnnotationSettings">
+    <option name="myLimit" value="2678400000" />
+  </component>
+  <component name="editorHistoryManager">
+    <entry file="file:///usr/local/Cellar/go/1.11/libexec/src/strings/strings.go">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="304">
+          <caret line="172" column="5" selection-start-line="172" selection-start-column="5" selection-end-line="172" selection-end-column="5" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/README.md">
+      <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
+        <state split_layout="SPLIT">
+          <first_editor relative-caret-position="-1031" />
+          <second_editor />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/utils.go">
+      <provider selected="true" editor-type-id="text-editor" />
+    </entry>
+    <entry file="file://$PROJECT_DIR$/examples/example.go">
+      <provider selected="true" editor-type-id="text-editor" />
+    </entry>
+    <entry file="file://$PROJECT_DIR$/.travis.yml">
+      <provider selected="true" editor-type-id="text-editor" />
+    </entry>
+    <entry file="file://$PROJECT_DIR$/cors_test.go">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="838">
+          <caret line="244" column="71" selection-start-line="244" selection-start-column="71" selection-end-line="244" selection-end-column="71" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/config.go">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="-1669">
+          <caret line="26" column="30" selection-start-line="26" selection-start-column="30" selection-end-line="26" selection-end-column="30" />
+          <folding>
+            <element signature="e#14#76#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/cors.go">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="741">
+          <caret line="138" column="57" selection-start-line="138" selection-start-column="57" selection-end-line="138" selection-end-column="57" />
+          <folding>
+            <element signature="e#14#82#0" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+  </component>
+</project>

cors.go

@@ -135,9 +135,8 @@ func (c Config) parseWildcardRules() [][]string {
 			wRules = append(wRules, []string{o[:i-1], "*"})
 			continue
 		}
-		if i != 0 && i != len(o) {
-			wRules = append(wRules, []string{o[:i], o[i+1:]})
-		}
+
+		wRules = append(wRules, []string{o[:i], o[i+1:]})
 	}
 
 	return wRules