Move linkComponents settings to util

lib/rules/jsx-no-target-blank.js

@@ -5,8 +5,7 @@
 'use strict';
 
 const docsUrl = require('../util/docsUrl');
-
-const DEFAULTS = ['a'];
+const linkComponentsUtil = require('../util/linkComponents');
 
 // ------------------------------------------------------------------------------
 // Rule Definition
@@ -65,20 +64,15 @@ module.exports = {
   create: function(context) {
     const configuration = context.options[0] || {};
     const enforceDynamicLinks = configuration.enforceDynamicLinks || 'always';
-
-    const elements = new Map((DEFAULTS.concat(context.settings.linkComponents || [])).map(value => {
-      const name = typeof value === 'string' ? value : value.name;
-      const linkAttribute = typeof value === 'string' ? 'href' : value.linkAttribute;
-      return [name, linkAttribute];
-    }));
+    const components = linkComponentsUtil.getLinkComponents(context);
 
     return {
       JSXAttribute: function(node) {
-        if (!elements.has(node.parent.name.name) || !isTargetBlank(node) || hasSecureRel(node.parent)) {
+        if (!components.has(node.parent.name.name) || !isTargetBlank(node) || hasSecureRel(node.parent)) {
           return;
         }
 
-        const linkAttribute = elements.get(node.parent.name.name);
+        const linkAttribute = components.get(node.parent.name.name);
 
         if (hasExternalLink(node.parent, linkAttribute) || (enforceDynamicLinks === 'always' && hasDynamicLink(node.parent, linkAttribute))) {
           context.report(node, 'Using target="_blank" without rel="noopener noreferrer" ' +

lib/util/linkComponents.js

@@ -0,0 +1,20 @@
+/**
+ * @fileoverview Utility functions for propWrapperFunctions setting
+ */
+'use strict';
+
+const DEFAULT_LINK_COMPONENTS = ['a'];
+const DEFAULT_LINK_ATTRIBUTE = 'href';
+
+function getLinkComponents(context) {
+  const settings = context.settings || {};
+  return new Map((DEFAULT_LINK_COMPONENTS.concat(settings.linkComponents || [])).map(value => {
+    const name = typeof value === 'string' ? value : value.name;
+    const linkAttribute = typeof value === 'string' ? DEFAULT_LINK_ATTRIBUTE : value.linkAttribute;
+    return [name, linkAttribute];
+  }));
+}
+
+module.exports = {
+  getLinkComponents: getLinkComponents
+};

tests/util/linkComponents.js

@@ -0,0 +1,36 @@
+/* eslint-env mocha */
+'use strict';
+
+const assert = require('assert');
+const linkComponentsUtil = require('../../lib/util/linkComponents');
+
+describe('linkComponentsFunctions', () => {
+  describe('getLinkComponents', () => {
+    it('returns a default map of components', () => {
+      const context = {};
+      assert.deepStrictEqual(linkComponentsUtil.getLinkComponents(context), new Map([
+        ['a', 'href']
+      ]));
+    });
+
+    it('returns a map of components', () => {
+      const linkComponents = [
+        'Hyperlink',
+        {
+          name: 'Link',
+          linkAttribute: 'to'
+        }
+      ];
+      const context = {
+        settings: {
+          linkComponents: linkComponents
+        }
+      };
+      assert.deepStrictEqual(linkComponentsUtil.getLinkComponents(context), new Map([
+        ['a', 'href'],
+        ['Hyperlink', 'href'],
+        ['Link', 'to']
+      ]));
+    });
+  });
+});