Refactor code; add tests

app/assets/javascripts/discourse/components/d-editor.js.es6

@@ -112,7 +112,7 @@ class Toolbar {
       this.addButton({
         id: 'toggle-direction',
         group: 'extras',
-        icon: 'arrows-h',
+        icon: 'exchange',
         shortcut: 'Shift+6',
         title: 'composer.toggle_direction',
         perform: e => e.toggleDirection(),

app/assets/javascripts/discourse/components/text-field.js.es6

@@ -1,14 +1,12 @@
 import computed from "ember-addons/ember-computed-decorators";
-import { siteDir } from "discourse/lib/text-direction";
-import { isRTL } from "discourse/lib/text-direction";
-import { isLTR } from "discourse/lib/text-direction";
+import { siteDir, isRTL, isLTR } from "discourse/lib/text-direction";
 
 export default Ember.TextField.extend({
   attributeBindings: ['autocorrect', 'autocapitalize', 'autofocus', 'maxLength', 'dir'],
 
   @computed
   dir() {
-    if (Discourse.SiteSettings.support_mixed_text_direction) {
+    if (this.siteSettings.support_mixed_text_direction) {
       let val = this.value;
       if (val) {
         return isRTL(val) ? 'rtl' : 'ltr';
@@ -19,7 +17,7 @@ export default Ember.TextField.extend({
   },
 
   keyUp() {
-    if (Discourse.SiteSettings.support_mixed_text_direction) {
+    if (this.siteSettings.support_mixed_text_direction) {
       let val = this.value;
       if (isRTL(val)) {
         this.set('dir', 'rtl');

app/assets/javascripts/discourse/lib/text-direction.js.es6

@@ -1,15 +1,14 @@
 const ltrChars = 'A-Za-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02B8\u0300-\u0590\u0800-\u1FFF\u2C00-\uFB1C\uFDFE-\uFE6F\uFEFD-\uFFFF';
 const rtlChars = '\u0591-\u07FF\uFB1D-\uFDFD\uFE70-\uFEFC';
+const rtlDirCheck = new RegExp('^[^'+ltrChars+']*['+rtlChars+']');
+const ltrDirCheck = new RegExp('^[^'+rtlChars+']*['+ltrChars+']');
+let _siteDir;
 
 export function isRTL(text) {
-  const rtlDirCheck = new RegExp('^[^'+ltrChars+']*['+rtlChars+']');
-
   return rtlDirCheck.test(text);
 }
 
 export function isLTR(text) {
-  const ltrDirCheck = new RegExp('^[^'+rtlChars+']*['+ltrChars+']');
-
   return ltrDirCheck.test(text);
 }
 
@@ -24,5 +23,8 @@ export function setTextDirections($elem) {
 }
 
 export function siteDir() {
-  return $('html').hasClass('rtl') ? 'rtl' : 'ltr';
+  if (!_siteDir) {
+    _siteDir = $('html').hasClass('rtl') ? 'rtl' : 'ltr';
+  }
+  return _siteDir;
 }

test/javascripts/components/d-editor-test.js.es6

@@ -715,6 +715,26 @@ testCase(`list button with line sequence`, function(assert, textarea) {
   });
 });
 
+componentTest('clicking the toggle-direction button toggles the direction', {
+  template: '{{d-editor value=value}}',
+  beforeEach() {
+    this.siteSettings.support_mixed_text_direction = true;
+    this.siteSettings.default_locale = "en";
+  },
+
+  test(assert) {
+    const textarea = this.$('textarea.d-editor-input');
+    click('button.toggle-direction');
+    andThen(() => {
+      assert.equal(textarea.attr('dir'), 'rtl');
+    });
+    click('button.toggle-direction');
+    andThen(() => {
+      assert.equal(textarea.attr('dir'), 'ltr');
+    });
+  }
+});
+
 testCase(`doesn't jump to bottom with long text`, function(assert, textarea) {
 
   let longText = 'hello world.';

test/javascripts/components/text-field-test.js.es6

@@ -22,3 +22,27 @@ componentTest("support a placeholder", {
     assert.equal(this.$('input').prop('placeholder'), 'placeholder.i18n.key');
   }
 });
+
+componentTest("sets the dir attribute to ltr for Hebrew text", {
+  template: `{{text-field value='זהו שם עברי עם מקום עברי'}}`,
+  beforeEach() {
+    this.siteSettings.support_mixed_text_direction = true;
+  },
+
+  test(assert) {
+    assert.equal(this.$('input').attr('dir'), 'rtl');
+  }
+});
+
+componentTest("sets the dir attribute to ltr for English text", {
+  template: `{{text-field value='This is a ltr title'}}`,
+  beforeEach() {
+    this.siteSettings.support_mixed_text_direction = true;
+  },
+
+  test(assert) {
+    assert.equal(this.$('input').attr('dir'), 'ltr');
+  }
+});
+
+

test/javascripts/lib/category-badge-test.js.es6

@@ -45,3 +45,28 @@ QUnit.test("allowUncategorized", assert => {
   assert.blank(categoryBadgeHTML(uncategorized), "it doesn't return HTML for uncategorized by default");
   assert.present(categoryBadgeHTML(uncategorized, {allowUncategorized: true}), "it returns HTML");
 });
+
+QUnit.test("category names are wrapped in dir-spans", assert => {
+  Discourse.SiteSettings.support_mixed_text_direction = true;
+  const store = createStore();
+  const rtlCategory = store.createRecord('category', {
+    name: 'תכנות עם Ruby',
+    id: 123,
+    description_text: 'cool description',
+    color: 'ff0',
+    text_color: 'f00'
+  });
+
+  const ltrCategory = store.createRecord('category', {
+    name: 'Programming in Ruby',
+    id: 234
+  });
+
+  let tag = parseHTML(categoryBadgeHTML(rtlCategory))[0];
+  let dirSpan = tag.children[1].children[0];
+  assert.equal(dirSpan.attributes.dir, 'rtl');
+
+  tag = parseHTML(categoryBadgeHTML(ltrCategory))[0];
+  dirSpan = tag.children[1].children[0];
+  assert.equal(dirSpan.attributes.dir, 'ltr');
+});

test/javascripts/models/topic-test.js.es6

@@ -98,6 +98,15 @@ QUnit.test('fancyTitle', assert => {
         "supports emojis");
 });
 
+QUnit.test('fancyTitle direction', assert => {
+  const rtlTopic = Topic.create({ fancy_title: "هذا اختبار" });
+  const ltrTopic = Topic.create({ fancy_title: "This is a test"});
+
+  Discourse.SiteSettings.support_mixed_text_direction = true;
+  assert.equal(rtlTopic.get('fancyTitle'), `<span dir="rtl">هذا اختبار</span>`, "sets the dir-span to rtl");
+  assert.equal(ltrTopic.get('fancyTitle'), `<span dir="ltr">This is a test</span>`, "sets the dir-span to ltr");
+});
+
 QUnit.test('excerpt', assert => {
   const topic = Topic.create({ excerpt: "This is a test topic :smile:", pinned: true });