From b05d1b1a0290e932957b965ac47b62b6f71cb4fe Mon Sep 17 00:00:00 2001
From: ov <omar.verduga@gmail.com>
Date: Mon, 6 Jul 2020 10:36:45 +0100
Subject: [PATCH] Prototype with proposed i18n architecture  (#1478)

* Branch with i18n functionality
* Translation files with new entries
* includes Loader in index.jsx
* Uses WithTranslation In Nav
* New Namespace
* Shortcuts Modal Complete
* Preferences complete
* About overlay title translated
---
 client/components/Nav.jsx                     | 147 +++++++++++++-----
 client/components/__test__/Nav.test.jsx       |   3 +-
 .../__test__/__snapshots__/Nav.test.jsx.snap  |  78 +++-------
 client/i18n.js                                |  38 +++++
 client/index.jsx                              |   8 +-
 client/modules/IDE/components/About.jsx       |  23 +--
 .../IDE/components/KeyboardShortcutModal.jsx  |  30 ++--
 client/modules/IDE/components/Preferences.jsx |  58 +++----
 client/modules/IDE/components/Toast.jsx       |   4 +-
 client/modules/IDE/pages/IDEView.jsx          |  18 ++-
 package-lock.json                             |  66 +++++++-
 package.json                                  |   4 +
 server/server.js                              |   1 +
 server/views/index.js                         |   2 +
 translations/locales/en-US/translations.json  | 115 ++++++++++++++
 translations/locales/es-419/translations.json | 113 ++++++++++++++
 16 files changed, 550 insertions(+), 158 deletions(-)
 create mode 100644 client/i18n.js
 create mode 100644 translations/locales/en-US/translations.json
 create mode 100644 translations/locales/es-419/translations.json

diff --git a/client/components/Nav.jsx b/client/components/Nav.jsx
index dd7c800e..4c27d6fa 100644
--- a/client/components/Nav.jsx
+++ b/client/components/Nav.jsx
@@ -4,6 +4,8 @@ import { connect } from 'react-redux';
 import { withRouter } from 'react-router';
 import { Link } from 'react-router';
 import classNames from 'classnames';
+import { withTranslation } from 'react-i18next';
+import i18next from 'i18next';
 import * as IDEActions from '../modules/IDE/actions/ide';
 import * as toastActions from '../modules/IDE/actions/toast';
 import * as projectActions from '../modules/IDE/actions/project';
@@ -55,6 +57,10 @@ class Nav extends React.PureComponent {
     this.handleFocusForHelp = this.handleFocus.bind(this, 'help');
     this.toggleDropdownForAccount = this.toggleDropdown.bind(this, 'account');
     this.handleFocusForAccount = this.handleFocus.bind(this, 'account');
+    this.toggleDropdownForLang = this.toggleDropdown.bind(this, 'lang');
+    this.handleFocusForLang = this.handleFocus.bind(this, 'lang');
+    this.handleLangSelection = this.handleLangSelection.bind(this);
+
     this.closeDropDown = this.closeDropDown.bind(this);
   }
 
@@ -163,6 +169,13 @@ class Nav extends React.PureComponent {
     this.setDropdown('none');
   }
 
+  handleLangSelection(event) {
+    i18next.changeLanguage(event.target.value);
+    this.props.showToast(1500);
+    this.props.setToastText('LangChange');
+    this.setDropdown('none');
+  }
+
   handleLogout() {
     this.props.logoutUser();
     this.setDropdown('none');
@@ -233,7 +246,7 @@ class Nav extends React.PureComponent {
           <Link to="/" className="nav__back-link">
             <CaretLeftIcon className="nav__back-icon" focusable="false" aria-hidden="true" />
             <span className="nav__item-header">
-              Back to Editor
+              {this.props.t('BackEditor')}
             </span>
           </Link>
         </li>
@@ -258,7 +271,7 @@ class Nav extends React.PureComponent {
               }
             }}
           >
-            <span className="nav__item-header">File</span>
+            <span className="nav__item-header">{this.props.t('File')}</span>
             <TriangleIcon className="nav__item-header-triangle" focusable="false" aria-hidden="true" />
           </button>
           <ul className="nav__dropdown">
@@ -268,7 +281,7 @@ class Nav extends React.PureComponent {
                 onFocus={this.handleFocusForFile}
                 onBlur={this.handleBlur}
               >
-                New
+                {this.props.t('New')}
               </button>
             </li>
             { getConfig('LOGIN_ENABLED') && (!this.props.project.owner || this.isUserOwner()) &&
@@ -278,7 +291,7 @@ class Nav extends React.PureComponent {
                 onFocus={this.handleFocusForFile}
                 onBlur={this.handleBlur}
               >
-                Save
+                {this.props.t('Save')}
                 <span className="nav__keyboard-shortcut">{metaKeyName}+S</span>
               </button>
             </li> }
@@ -289,7 +302,7 @@ class Nav extends React.PureComponent {
                 onFocus={this.handleFocusForFile}
                 onBlur={this.handleBlur}
               >
-                Duplicate
+                {this.props.t('Duplicate')}
               </button>
             </li> }
             { this.props.project.id &&
@@ -299,7 +312,7 @@ class Nav extends React.PureComponent {
                 onFocus={this.handleFocusForFile}
                 onBlur={this.handleBlur}
               >
-                Share
+                {this.props.t('Share')}
               </button>
             </li> }
             { this.props.project.id &&
@@ -309,7 +322,7 @@ class Nav extends React.PureComponent {
                 onFocus={this.handleFocusForFile}
                 onBlur={this.handleBlur}
               >
-                Download
+                {this.props.t('Download')}
               </button>
             </li> }
             { this.props.user.authenticated &&
@@ -320,7 +333,7 @@ class Nav extends React.PureComponent {
                 onBlur={this.handleBlur}
                 onClick={this.setDropdownForNone}
               >
-                Open
+                {this.props.t('Open')}
               </Link>
             </li> }
             {getConfig('UI_COLLECTIONS_ENABLED') &&
@@ -333,7 +346,7 @@ class Nav extends React.PureComponent {
                   onBlur={this.handleBlur}
                   onClick={this.setDropdownForNone}
                 >
-                  Add to Collection
+                  {this.props.t('AddToCollection')}
                 </Link>
               </li>}
             { getConfig('EXAMPLES_ENABLED') &&
@@ -344,7 +357,7 @@ class Nav extends React.PureComponent {
                 onBlur={this.handleBlur}
                 onClick={this.setDropdownForNone}
               >
-                Examples
+                {this.props.t('Examples')}
               </Link>
             </li> }
           </ul>
@@ -360,7 +373,7 @@ class Nav extends React.PureComponent {
               }
             }}
           >
-            <span className="nav__item-header">Edit</span>
+            <span className="nav__item-header">{this.props.t('Edit')}</span>
             <TriangleIcon className="nav__item-header-triangle" focusable="false" aria-hidden="true" />
           </button>
           <ul className="nav__dropdown" >
@@ -373,7 +386,7 @@ class Nav extends React.PureComponent {
                 onFocus={this.handleFocusForEdit}
                 onBlur={this.handleBlur}
               >
-                Tidy Code
+                {this.props.t('TidyCode')}
                 <span className="nav__keyboard-shortcut">{'\u21E7'}+Tab</span>
               </button>
             </li>
@@ -383,7 +396,7 @@ class Nav extends React.PureComponent {
                 onFocus={this.handleFocusForEdit}
                 onBlur={this.handleBlur}
               >
-                Find
+                {this.props.t('Find')}
                 <span className="nav__keyboard-shortcut">{metaKeyName}+F</span>
               </button>
             </li>
@@ -393,7 +406,7 @@ class Nav extends React.PureComponent {
                 onFocus={this.handleFocusForEdit}
                 onBlur={this.handleBlur}
               >
-                Find Next
+                {this.props.t('FindNext')}
                 <span className="nav__keyboard-shortcut">{metaKeyName}+G</span>
               </button>
             </li>
@@ -403,7 +416,7 @@ class Nav extends React.PureComponent {
                 onFocus={this.handleFocusForEdit}
                 onBlur={this.handleBlur}
               >
-                Find Previous
+                {this.props.t('FindPrevious')}
                 <span className="nav__keyboard-shortcut">{'\u21E7'}+{metaKeyName}+G</span>
               </button>
             </li>
@@ -420,7 +433,7 @@ class Nav extends React.PureComponent {
               }
             }}
           >
-            <span className="nav__item-header">Sketch</span>
+            <span className="nav__item-header">{this.props.t('Sketch')}</span>
             <TriangleIcon className="nav__item-header-triangle" focusable="false" aria-hidden="true" />
           </button>
           <ul className="nav__dropdown">
@@ -430,7 +443,7 @@ class Nav extends React.PureComponent {
                 onFocus={this.handleFocusForSketch}
                 onBlur={this.handleBlur}
               >
-                Add File
+                {this.props.t('AddFile')}
               </button>
             </li>
             <li className="nav__dropdown-item">
@@ -439,7 +452,7 @@ class Nav extends React.PureComponent {
                 onFocus={this.handleFocusForSketch}
                 onBlur={this.handleBlur}
               >
-                Add Folder
+                {this.props.t('AddFolder')}
               </button>
             </li>
             <li className="nav__dropdown-item">
@@ -448,7 +461,7 @@ class Nav extends React.PureComponent {
                 onFocus={this.handleFocusForSketch}
                 onBlur={this.handleBlur}
               >
-                Run
+                {this.props.t('Run')}
                 <span className="nav__keyboard-shortcut">{metaKeyName}+Enter</span>
               </button>
             </li>
@@ -458,7 +471,7 @@ class Nav extends React.PureComponent {
                 onFocus={this.handleFocusForSketch}
                 onBlur={this.handleBlur}
               >
-                Stop
+                {this.props.t('Stop')}
                 <span className="nav__keyboard-shortcut">{'\u21E7'}+{metaKeyName}+Enter</span>
               </button>
             </li>
@@ -495,7 +508,7 @@ class Nav extends React.PureComponent {
               }
             }}
           >
-            <span className="nav__item-header">Help</span>
+            <span className="nav__item-header">{this.props.t('Help')}</span>
             <TriangleIcon className="nav__item-header-triangle" focusable="false" aria-hidden="true" />
           </button>
           <ul className="nav__dropdown">
@@ -505,7 +518,7 @@ class Nav extends React.PureComponent {
                 onBlur={this.handleBlur}
                 onClick={this.handleKeyboardShortcuts}
               >
-                Keyboard Shortcuts
+                {this.props.t('KeyboardShortcuts')}
               </button>
             </li>
             <li className="nav__dropdown-item">
@@ -516,7 +529,7 @@ class Nav extends React.PureComponent {
                 onFocus={this.handleFocusForHelp}
                 onBlur={this.handleBlur}
                 onClick={this.setDropdownForNone}
-              >Reference
+              >{this.props.t('Reference')}
               </a>
             </li>
             <li className="nav__dropdown-item">
@@ -526,7 +539,7 @@ class Nav extends React.PureComponent {
                 onBlur={this.handleBlur}
                 onClick={this.setDropdownForNone}
               >
-                About
+                {this.props.t('About')}
               </Link>
             </li>
           </ul>
@@ -535,18 +548,73 @@ class Nav extends React.PureComponent {
     );
   }
 
+  renderLanguageMenu(navDropdownState) {
+    return (
+      <ul className="nav__items-right" title="user-menu">
+        <li className={navDropdownState.lang}>
+          <button
+            onClick={this.toggleDropdownForLang}
+            onBlur={this.handleBlur}
+            onFocus={this.clearHideTimeout}
+            onMouseOver={() => {
+              if (this.state.dropdownOpen !== 'none') {
+                this.setDropdown('lang');
+              }
+            }}
+          >
+            <span className="nav__item-header"> {this.props.t('Lang')}</span>
+            <TriangleIcon className="nav__item-header-triangle" focusable="false" aria-hidden="true" />
+          </button>
+          <ul className="nav__dropdown">
+
+            <li className="nav__dropdown-item">
+              <button
+                onFocus={this.handleFocusForLang}
+                onBlur={this.handleBlur}
+                value="it"
+                onClick={e => this.handleLangSelection(e)}
+              >
+                Italian (Test Fallback)
+              </button>
+            </li>
+            <li className="nav__dropdown-item">
+              <button
+                onFocus={this.handleFocusForLang}
+                onBlur={this.handleBlur}
+                value="en-US"
+                onClick={e => this.handleLangSelection(e)}
+              >English
+              </button>
+            </li>
+            <li className="nav__dropdown-item">
+              <button
+                onFocus={this.handleFocusForLang}
+                onBlur={this.handleBlur}
+                value="es-419"
+                onClick={e => this.handleLangSelection(e)}
+              >
+                Español
+              </button>
+            </li>
+          </ul>
+        </li>
+      </ul>
+    );
+  }
+
+
   renderUnauthenticatedUserMenu(navDropdownState) {
     return (
       <ul className="nav__items-right" title="user-menu">
         <li className="nav__item">
           <Link to="/login" className="nav__auth-button">
-            <span className="nav__item-header">Log in</span>
+            <span className="nav__item-header">{this.props.t('Login')}</span>
           </Link>
         </li>
-        <span className="nav__item-or">or</span>
+        <span className="nav__item-or">{this.props.t('LoginOr')}</span>
         <li className="nav__item">
           <Link to="/signup" className="nav__auth-button">
-            <span className="nav__item-header">Sign up</span>
+            <span className="nav__item-header">{this.props.t('SignUp')}</span>
           </Link>
         </li>
       </ul>
@@ -557,7 +625,7 @@ class Nav extends React.PureComponent {
     return (
       <ul className="nav__items-right" title="user-menu">
         <li className="nav__item">
-          <span>Hello, {this.props.user.username}!</span>
+          <span>{this.props.t('Hello')}, {this.props.user.username}!</span>
         </li>
         <span className="nav__item-spacer">|</span>
         <li className={navDropdownState.account}>
@@ -572,7 +640,7 @@ class Nav extends React.PureComponent {
               }
             }}
           >
-            My Account
+            {this.props.t('MyAccount')}
             <TriangleIcon className="nav__item-header-triangle" focusable="false" aria-hidden="true" />
           </button>
           <ul className="nav__dropdown">
@@ -583,7 +651,7 @@ class Nav extends React.PureComponent {
                 onBlur={this.handleBlur}
                 onClick={this.setDropdownForNone}
               >
-                My sketches
+                {this.props.t('MySketches')}
               </Link>
             </li>
             {getConfig('UI_COLLECTIONS_ENABLED') &&
@@ -594,7 +662,7 @@ class Nav extends React.PureComponent {
                   onBlur={this.handleBlur}
                   onClick={this.setDropdownForNone}
                 >
-                  My collections
+                  {this.props.t('MyCollections')}
                 </Link>
               </li>
             }
@@ -605,7 +673,7 @@ class Nav extends React.PureComponent {
                 onBlur={this.handleBlur}
                 onClick={this.setDropdownForNone}
               >
-                My assets
+                {this.props.t('MyAssets')}
               </Link>
             </li>
             <li className="nav__dropdown-item">
@@ -615,7 +683,7 @@ class Nav extends React.PureComponent {
                 onBlur={this.handleBlur}
                 onClick={this.setDropdownForNone}
               >
-                Settings
+                {this.props.t('Settings')}
               </Link>
             </li>
             <li className="nav__dropdown-item">
@@ -624,7 +692,7 @@ class Nav extends React.PureComponent {
                 onFocus={this.handleFocusForAccount}
                 onBlur={this.handleBlur}
               >
-                Log out
+                {this.props.t('LogOut')}
               </button>
             </li>
           </ul>
@@ -677,6 +745,10 @@ class Nav extends React.PureComponent {
       account: classNames({
         'nav__item': true,
         'nav__item--open': this.state.dropdownOpen === 'account'
+      }),
+      lang: classNames({
+        'nav__item': true,
+        'nav__item--open': this.state.dropdownOpen === 'lang'
       })
     };
 
@@ -684,6 +756,7 @@ class Nav extends React.PureComponent {
       <header>
         <nav className="nav" title="main-navigation" ref={(node) => { this.node = node; }}>
           {this.renderLeftLayout(navDropdownState)}
+          {getConfig('TRANSLATIONS_ENABLED') && this.renderLanguageMenu(navDropdownState)}
           {this.renderUserMenu(navDropdownState)}
         </nav>
       </header>
@@ -734,7 +807,9 @@ Nav.propTypes = {
   }).isRequired,
   params: PropTypes.shape({
     username: PropTypes.string
-  })
+  }),
+  t: PropTypes.func.isRequired
+
 };
 
 Nav.defaultProps = {
@@ -767,5 +842,5 @@ const mapDispatchToProps = {
   setAllAccessibleOutput
 };
 
-export default withRouter(connect(mapStateToProps, mapDispatchToProps)(Nav));
+export default withTranslation('WebEditor')(withRouter(connect(mapStateToProps, mapDispatchToProps)(Nav)));
 export { Nav as NavComponent };
diff --git a/client/components/__test__/Nav.test.jsx b/client/components/__test__/Nav.test.jsx
index f9261cfc..bdbf5964 100644
--- a/client/components/__test__/Nav.test.jsx
+++ b/client/components/__test__/Nav.test.jsx
@@ -44,7 +44,8 @@ describe('Nav', () => {
     setToastText: jest.fn(),
     rootFile: {
       id: 'root-file'
-    }
+    },
+    t: jest.fn()
   };
   const getWrapper = () => shallow(<NavComponent {...props} />);
 
diff --git a/client/components/__test__/__snapshots__/Nav.test.jsx.snap b/client/components/__test__/__snapshots__/Nav.test.jsx.snap
index 592fc282..f7b3c1eb 100644
--- a/client/components/__test__/__snapshots__/Nav.test.jsx.snap
+++ b/client/components/__test__/__snapshots__/Nav.test.jsx.snap
@@ -30,9 +30,7 @@ exports[`Nav renders correctly 1`] = `
         >
           <span
             className="nav__item-header"
-          >
-            File
-          </span>
+          />
           <test-file-stub
             aria-hidden="true"
             className="nav__item-header-triangle"
@@ -49,9 +47,7 @@ exports[`Nav renders correctly 1`] = `
               onBlur={[Function]}
               onClick={[Function]}
               onFocus={[Function]}
-            >
-              New
-            </button>
+            />
           </li>
           <li
             className="nav__dropdown-item"
@@ -60,9 +56,7 @@ exports[`Nav renders correctly 1`] = `
               onBlur={[Function]}
               onClick={[Function]}
               onFocus={[Function]}
-            >
-              Duplicate
-            </button>
+            />
           </li>
           <li
             className="nav__dropdown-item"
@@ -71,9 +65,7 @@ exports[`Nav renders correctly 1`] = `
               onBlur={[Function]}
               onClick={[Function]}
               onFocus={[Function]}
-            >
-              Share
-            </button>
+            />
           </li>
           <li
             className="nav__dropdown-item"
@@ -82,9 +74,7 @@ exports[`Nav renders correctly 1`] = `
               onBlur={[Function]}
               onClick={[Function]}
               onFocus={[Function]}
-            >
-              Download
-            </button>
+            />
           </li>
           <li
             className="nav__dropdown-item"
@@ -94,9 +84,7 @@ exports[`Nav renders correctly 1`] = `
               onClick={[Function]}
               onFocus={[Function]}
               style={Object {}}
-            >
-              Open
-            </a>
+            />
           </li>
         </ul>
       </li>
@@ -111,9 +99,7 @@ exports[`Nav renders correctly 1`] = `
         >
           <span
             className="nav__item-header"
-          >
-            Edit
-          </span>
+          />
           <test-file-stub
             aria-hidden="true"
             className="nav__item-header-triangle"
@@ -131,7 +117,6 @@ exports[`Nav renders correctly 1`] = `
               onClick={[Function]}
               onFocus={[Function]}
             >
-              Tidy Code
               <span
                 className="nav__keyboard-shortcut"
               >
@@ -148,7 +133,6 @@ exports[`Nav renders correctly 1`] = `
               onClick={[Function]}
               onFocus={[Function]}
             >
-              Find
               <span
                 className="nav__keyboard-shortcut"
               >
@@ -165,7 +149,6 @@ exports[`Nav renders correctly 1`] = `
               onClick={[Function]}
               onFocus={[Function]}
             >
-              Find Next
               <span
                 className="nav__keyboard-shortcut"
               >
@@ -182,7 +165,6 @@ exports[`Nav renders correctly 1`] = `
               onClick={[Function]}
               onFocus={[Function]}
             >
-              Find Previous
               <span
                 className="nav__keyboard-shortcut"
               >
@@ -206,9 +188,7 @@ exports[`Nav renders correctly 1`] = `
         >
           <span
             className="nav__item-header"
-          >
-            Sketch
-          </span>
+          />
           <test-file-stub
             aria-hidden="true"
             className="nav__item-header-triangle"
@@ -225,9 +205,16 @@ exports[`Nav renders correctly 1`] = `
               onBlur={[Function]}
               onClick={[Function]}
               onFocus={[Function]}
-            >
-              Add File
-            </button>
+            />
+          </li>
+          <li
+            className="nav__dropdown-item"
+          >
+            <button
+              onBlur={[Function]}
+              onClick={[Function]}
+              onFocus={[Function]}
+            />
           </li>
           <li
             className="nav__dropdown-item"
@@ -237,18 +224,6 @@ exports[`Nav renders correctly 1`] = `
               onClick={[Function]}
               onFocus={[Function]}
             >
-              Add Folder
-            </button>
-          </li>
-          <li
-            className="nav__dropdown-item"
-          >
-            <button
-              onBlur={[Function]}
-              onClick={[Function]}
-              onFocus={[Function]}
-            >
-              Run
               <span
                 className="nav__keyboard-shortcut"
               >
@@ -265,7 +240,6 @@ exports[`Nav renders correctly 1`] = `
               onClick={[Function]}
               onFocus={[Function]}
             >
-              Stop
               <span
                 className="nav__keyboard-shortcut"
               >
@@ -289,9 +263,7 @@ exports[`Nav renders correctly 1`] = `
         >
           <span
             className="nav__item-header"
-          >
-            Help
-          </span>
+          />
           <test-file-stub
             aria-hidden="true"
             className="nav__item-header-triangle"
@@ -308,9 +280,7 @@ exports[`Nav renders correctly 1`] = `
               onBlur={[Function]}
               onClick={[Function]}
               onFocus={[Function]}
-            >
-              Keyboard Shortcuts
-            </button>
+            />
           </li>
           <li
             className="nav__dropdown-item"
@@ -322,9 +292,7 @@ exports[`Nav renders correctly 1`] = `
               onFocus={[Function]}
               rel="noopener noreferrer"
               target="_blank"
-            >
-              Reference
-            </a>
+            />
           </li>
           <li
             className="nav__dropdown-item"
@@ -334,9 +302,7 @@ exports[`Nav renders correctly 1`] = `
               onClick={[Function]}
               onFocus={[Function]}
               style={Object {}}
-            >
-              About
-            </a>
+            />
           </li>
         </ul>
       </li>
diff --git a/client/i18n.js b/client/i18n.js
new file mode 100644
index 00000000..e61eaae8
--- /dev/null
+++ b/client/i18n.js
@@ -0,0 +1,38 @@
+import i18n from 'i18next';
+import { initReactI18next } from 'react-i18next';
+import LanguageDetector from 'i18next-browser-languagedetector';
+import Backend from 'i18next-http-backend';
+
+const fallbackLng = ['en-US'];
+const availableLanguages = ['en-US', 'es-419'];
+
+const options = {
+  loadPath: '/translations/{{lng}}/translations.json',
+  requestOptions: { // used for fetch, can also be a function (payload) => ({ method: 'GET' })
+    mode: 'no-cors'
+  },
+  allowMultiLoading: false, // set loadPath: '/locales/resources.json?lng={{lng}}&ns={{ns}}' to adapt to multiLoading
+};
+
+i18n
+  .use(initReactI18next) // pass the i18n instance to react-i18next.
+  .use(LanguageDetector)// to detect the language from currentBrowser
+  .use(Backend) // to fetch the data from server
+  .init({
+    lng: 'en-US',
+    defaultNS: 'WebEditor',
+    fallbackLng, // if user computer language is not on the list of available languages, than we will be using the fallback language specified earlier
+    debug: false,
+    backend: options,
+    getAsync: false,
+    initImmediate: false,
+    useSuspense: true,
+    whitelist: availableLanguages,
+    interpolation: {
+      escapeValue: false, // react already safes from xss
+    },
+    saveMissing: false, // if a key is not found AND this flag is set to true, i18next will call the handler missingKeyHandler
+    missingKeyHandler: false // function(lng, ns, key, fallbackValue) { }  custom logic about how to handle the missing keys
+  });
+
+export default i18n;
diff --git a/client/index.jsx b/client/index.jsx
index 09ab654b..bf8c2263 100644
--- a/client/index.jsx
+++ b/client/index.jsx
@@ -1,4 +1,4 @@
-import React from 'react';
+import React, { Suspense } from 'react';
 import { render } from 'react-dom';
 import { hot } from 'react-hot-loader/root';
 import { Provider } from 'react-redux';
@@ -7,6 +7,8 @@ import { Router, browserHistory } from 'react-router';
 import configureStore from './store';
 import routes from './routes';
 import ThemeProvider from './modules/App/components/ThemeProvider';
+import Loader from './modules/App/components/loader';
+import i18n from './i18n';
 
 require('./styles/main.scss');
 
@@ -29,6 +31,8 @@ const App = () => (
 const HotApp = hot(App);
 
 render(
-  <HotApp />,
+  <Suspense fallback={(<Loader />)}>
+    <HotApp />
+  </Suspense>,
   document.getElementById('root')
 );
diff --git a/client/modules/IDE/components/About.jsx b/client/modules/IDE/components/About.jsx
index 213a1f46..81bca172 100644
--- a/client/modules/IDE/components/About.jsx
+++ b/client/modules/IDE/components/About.jsx
@@ -1,15 +1,16 @@
 import React from 'react';
 import { Helmet } from 'react-helmet';
-
+import { useTranslation } from 'react-i18next';
 import SquareLogoIcon from '../../../images/p5js-square-logo.svg';
 // import PlayIcon from '../../../images/play.svg';
 import AsteriskIcon from '../../../images/p5-asterisk.svg';
 
 function About(props) {
+  const { t } = useTranslation();
   return (
     <div className="about__content">
       <Helmet>
-        <title>p5.js Web Editor | About</title>
+        <title>p5.js Web Editor | About </title>
       </Helmet>
       <div className="about__content-column">
         <SquareLogoIcon className="about__logo" role="img" aria-label="p5.js Logo" focusable="false" />
@@ -25,7 +26,7 @@ function About(props) {
         </p>  */}
       </div>
       <div className="about__content-column">
-        <h3 className="about__content-column-title">New to p5.js?</h3>
+        <h3 className="about__content-column-title">{t('NewP5')}</h3>
         <p className="about__content-column-list">
           <a
             href="https://p5js.org/examples/"
@@ -33,7 +34,7 @@ function About(props) {
             rel="noopener noreferrer"
           >
             <AsteriskIcon className="about__content-column-asterisk" aria-hidden="true" focusable="false" />
-            Examples
+            {t('Examples')}
           </a>
         </p>
         <p className="about__content-column-list">
@@ -43,12 +44,12 @@ function About(props) {
             rel="noopener noreferrer"
           >
             <AsteriskIcon className="about__content-column-asterisk" aria-hidden="true" focusable="false" />
-            Learn
+            {t('Learn')}
           </a>
         </p>
       </div>
       <div className="about__content-column">
-        <h3 className="about__content-column-title">Resources</h3>
+        <h3 className="about__content-column-title">{t('Resources')}</h3>
         <p className="about__content-column-list">
           <a
             href="https://p5js.org/libraries/"
@@ -56,7 +57,7 @@ function About(props) {
             rel="noopener noreferrer"
           >
             <AsteriskIcon className="about__content-column-asterisk" aria-hidden="true" focusable="false" />
-            Libraries
+            {t('Libraries')}
           </a>
         </p>
         <p className="about__content-column-list">
@@ -66,7 +67,7 @@ function About(props) {
             rel="noopener noreferrer"
           >
             <AsteriskIcon className="about__content-column-asterisk" aria-hidden="true" focusable="false" />
-            Reference
+            {t('Reference')}
           </a>
         </p>
         <p className="about__content-column-list">
@@ -76,7 +77,7 @@ function About(props) {
             rel="noopener noreferrer"
           >
             <AsteriskIcon className="about__content-column-asterisk" aria-hidden="true" focusable="false" />
-            Forum
+            {t('Forum')}
           </a>
         </p>
       </div>
@@ -86,7 +87,7 @@ function About(props) {
             href="https://github.com/processing/p5.js-web-editor"
             target="_blank"
             rel="noopener noreferrer"
-          >Contribute
+          >{t('Contribute')}
           </a>
         </p>
         <p className="about__footer-list">
@@ -94,7 +95,7 @@ function About(props) {
             href="https://github.com/processing/p5.js-web-editor/issues/new"
             target="_blank"
             rel="noopener noreferrer"
-          >Report a bug
+          >{t('Report')}
           </a>
         </p>
         <p className="about__footer-list">
diff --git a/client/modules/IDE/components/KeyboardShortcutModal.jsx b/client/modules/IDE/components/KeyboardShortcutModal.jsx
index 691bab70..b1acadbb 100644
--- a/client/modules/IDE/components/KeyboardShortcutModal.jsx
+++ b/client/modules/IDE/components/KeyboardShortcutModal.jsx
@@ -1,53 +1,55 @@
 import React from 'react';
+import { useTranslation } from 'react-i18next';
 import { metaKeyName, } from '../../../utils/metaKey';
 
 function KeyboardShortcutModal() {
+  const { t } = useTranslation();
   return (
     <div className="keyboard-shortcuts">
-      <h3 className="keyboard-shortcuts__title">Code Editing</h3>
+      <h3 className="keyboard-shortcuts__title">{t('CodeEditing')}</h3>
       <p className="keyboard-shortcuts__description">
-        Code editing keyboard shortcuts follow <a href="https://shortcuts.design/toolspage-sublimetext.html" target="_blank" rel="noopener noreferrer">Sublime Text shortcuts</a>.
+        {t('Code editing keyboard shortcuts follow')} <a href="https://shortcuts.design/toolspage-sublimetext.html" target="_blank" rel="noopener noreferrer">{t('Sublime Text shortcuts')}</a>.
       </p>
       <ul className="keyboard-shortcuts__list">
         <li className="keyboard-shortcut-item">
           <span className="keyboard-shortcut__command">{'\u21E7'} + Tab</span>
-          <span>Tidy</span>
+          <span>{t('Tidy')}</span>
         </li>
         <li className="keyboard-shortcut-item">
           <span className="keyboard-shortcut__command">
             {metaKeyName} + F
           </span>
-          <span>Find Text</span>
+          <span>{t('FindText')}</span>
         </li>
         <li className="keyboard-shortcut-item">
           <span className="keyboard-shortcut__command">
             {metaKeyName} + G
           </span>
-          <span>Find Next Text Match</span>
+          <span>{t('FindNextTextMatch')}</span>
         </li>
         <li className="keyboard-shortcut-item">
           <span className="keyboard-shortcut__command">
             {metaKeyName} + {'\u21E7'} + G
           </span>
-          <span>Find Previous Text Match</span>
+          <span>{t('FindPreviousTextMatch')}</span>
         </li>
         <li className="keyboard-shortcut-item">
           <span className="keyboard-shortcut__command">
             {metaKeyName} + [
           </span>
-          <span>Indent Code Left</span>
+          <span>{t('IndentCodeLeft')}</span>
         </li>
         <li className="keyboard-shortcut-item">
           <span className="keyboard-shortcut__command">
             {metaKeyName} + ]
           </span>
-          <span>Indent Code Right</span>
+          <span>{t('IndentCodeRight')}</span>
         </li>
         <li className="keyboard-shortcut-item">
           <span className="keyboard-shortcut__command">
             {metaKeyName} + /
           </span>
-          <span>Comment Line</span>
+          <span>{t('CommentLine')}</span>
         </li>
       </ul>
       <h3 className="keyboard-shortcuts__title">General</h3>
@@ -56,31 +58,31 @@ function KeyboardShortcutModal() {
           <span className="keyboard-shortcut__command">
             {metaKeyName} + S
           </span>
-          <span>Save</span>
+          <span>{t('Save')}</span>
         </li>
         <li className="keyboard-shortcut-item">
           <span className="keyboard-shortcut__command">
             {metaKeyName} + Enter
           </span>
-          <span>Start Sketch</span>
+          <span>{t('StartSketch')}</span>
         </li>
         <li className="keyboard-shortcut-item">
           <span className="keyboard-shortcut__command">
             {metaKeyName} + {'\u21E7'} + Enter
           </span>
-          <span>Stop Sketch</span>
+          <span>{t('StopSketch')}</span>
         </li>
         <li className="keyboard-shortcut-item">
           <span className="keyboard-shortcut__command">
             {metaKeyName} + {'\u21E7'} + 1
           </span>
-          <span>Turn on Accessible Output</span>
+          <span>{t('TurnOnAccessibleOutput')}</span>
         </li>
         <li className="keyboard-shortcut-item">
           <span className="keyboard-shortcut__command">
             {metaKeyName} + {'\u21E7'} + 2
           </span>
-          <span>Turn off Accessible Output</span>
+          <span>{t('TurnOffAccessibleOutput')}</span>
         </li>
       </ul>
     </div>
diff --git a/client/modules/IDE/components/Preferences.jsx b/client/modules/IDE/components/Preferences.jsx
index 1b5c342b..1a658c3c 100644
--- a/client/modules/IDE/components/Preferences.jsx
+++ b/client/modules/IDE/components/Preferences.jsx
@@ -2,6 +2,7 @@ import PropTypes from 'prop-types';
 import React from 'react';
 import { Helmet } from 'react-helmet';
 import { Tab, Tabs, TabList, TabPanel } from 'react-tabs';
+import { withTranslation } from 'react-i18next';
 // import { bindActionCreators } from 'redux';
 // import { connect } from 'react-redux';
 // import * as PreferencesActions from '../actions/preferences';
@@ -98,13 +99,13 @@ class Preferences extends React.Component {
         <Tabs>
           <TabList>
             <div className="tabs__titles">
-              <Tab><h4 className="tabs__title">General Settings</h4></Tab>
-              <Tab><h4 className="tabs__title">Accessibility</h4></Tab>
+              <Tab><h4 className="tabs__title">{this.props.t('GeneralSettings')}</h4></Tab>
+              <Tab><h4 className="tabs__title">{this.props.t('Accessibility')}</h4></Tab>
             </div>
           </TabList>
           <TabPanel>
             <div className="preference">
-              <h4 className="preference__title">Theme</h4>
+              <h4 className="preference__title">{this.props.t('Theme')}</h4>
               <div className="preference__options">
                 <input
                   type="radio"
@@ -116,7 +117,7 @@ class Preferences extends React.Component {
                   value="light"
                   checked={this.props.theme === 'light'}
                 />
-                <label htmlFor="light-theme-on" className="preference__option">Light</label>
+                <label htmlFor="light-theme-on" className="preference__option">{this.props.t('Light')}</label>
                 <input
                   type="radio"
                   onChange={() => this.props.setTheme('dark')}
@@ -127,7 +128,7 @@ class Preferences extends React.Component {
                   value="dark"
                   checked={this.props.theme === 'dark'}
                 />
-                <label htmlFor="dark-theme-on" className="preference__option">Dark</label>
+                <label htmlFor="dark-theme-on" className="preference__option">{this.props.t('Dark')}</label>
                 <input
                   type="radio"
                   onChange={() => this.props.setTheme('contrast')}
@@ -138,11 +139,11 @@ class Preferences extends React.Component {
                   value="contrast"
                   checked={this.props.theme === 'contrast'}
                 />
-                <label htmlFor="high-contrast-theme-on" className="preference__option">High Contrast</label>
+                <label htmlFor="high-contrast-theme-on" className="preference__option">{this.props.t('HighContrast')}</label>
               </div>
             </div>
             <div className="preference">
-              <h4 className="preference__title">Text size</h4>
+              <h4 className="preference__title">{this.props.t('TextSize')}</h4>
               <button
                 className="preference__minus-button"
                 onClick={this.decreaseFontSize}
@@ -150,7 +151,7 @@ class Preferences extends React.Component {
                 disabled={this.state.fontSize <= 8}
               >
                 <MinusIcon focusable="false" aria-hidden="true" />
-                <h6 className="preference__label">Decrease</h6>
+                <h6 className="preference__label">{this.props.t('Decrease')}</h6>
               </button>
               <form onSubmit={this.onFontInputSubmit}>
                 <input
@@ -171,11 +172,11 @@ class Preferences extends React.Component {
                 disabled={this.state.fontSize >= 36}
               >
                 <PlusIcon focusable="false" aria-hidden="true" />
-                <h6 className="preference__label">Increase</h6>
+                <h6 className="preference__label">{this.props.t('Increase')}</h6>
               </button>
             </div>
             <div className="preference">
-              <h4 className="preference__title">Autosave</h4>
+              <h4 className="preference__title">{this.props.t('Autosave')}</h4>
               <div className="preference__options">
                 <input
                   type="radio"
@@ -187,7 +188,7 @@ class Preferences extends React.Component {
                   value="On"
                   checked={this.props.autosave}
                 />
-                <label htmlFor="autosave-on" className="preference__option">On</label>
+                <label htmlFor="autosave-on" className="preference__option">{this.props.t('On')}</label>
                 <input
                   type="radio"
                   onChange={() => this.props.setAutosave(false)}
@@ -198,11 +199,11 @@ class Preferences extends React.Component {
                   value="Off"
                   checked={!this.props.autosave}
                 />
-                <label htmlFor="autosave-off" className="preference__option">Off</label>
+                <label htmlFor="autosave-off" className="preference__option">{this.props.t('Off')}</label>
               </div>
             </div>
             <div className="preference">
-              <h4 className="preference__title">Word Wrap</h4>
+              <h4 className="preference__title">{this.props.t('WordWrap')}</h4>
               <div className="preference__options">
                 <input
                   type="radio"
@@ -214,7 +215,7 @@ class Preferences extends React.Component {
                   value="On"
                   checked={this.props.linewrap}
                 />
-                <label htmlFor="linewrap-on" className="preference__option">On</label>
+                <label htmlFor="linewrap-on" className="preference__option">{this.props.t('On')}</label>
                 <input
                   type="radio"
                   onChange={() => this.props.setLinewrap(false)}
@@ -225,13 +226,13 @@ class Preferences extends React.Component {
                   value="Off"
                   checked={!this.props.linewrap}
                 />
-                <label htmlFor="linewrap-off" className="preference__option">Off</label>
+                <label htmlFor="linewrap-off" className="preference__option">{this.props.t('Off')}</label>
               </div>
             </div>
           </TabPanel>
           <TabPanel>
             <div className="preference">
-              <h4 className="preference__title">Line numbers</h4>
+              <h4 className="preference__title">{this.props.t('LineNumbers')}</h4>
               <div className="preference__options">
                 <input
                   type="radio"
@@ -243,7 +244,7 @@ class Preferences extends React.Component {
                   value="On"
                   checked={this.props.lineNumbers}
                 />
-                <label htmlFor="line-numbers-on" className="preference__option">On</label>
+                <label htmlFor="line-numbers-on" className="preference__option">{this.props.t('On')}</label>
                 <input
                   type="radio"
                   onChange={() => this.props.setLineNumbers(false)}
@@ -254,11 +255,11 @@ class Preferences extends React.Component {
                   value="Off"
                   checked={!this.props.lineNumbers}
                 />
-                <label htmlFor="line-numbers-off" className="preference__option">Off</label>
+                <label htmlFor="line-numbers-off" className="preference__option">{this.props.t('Off')}</label>
               </div>
             </div>
             <div className="preference">
-              <h4 className="preference__title">Lint warning sound</h4>
+              <h4 className="preference__title">{this.props.t('LintWarningSound')}</h4>
               <div className="preference__options">
                 <input
                   type="radio"
@@ -270,7 +271,7 @@ class Preferences extends React.Component {
                   value="On"
                   checked={this.props.lintWarning}
                 />
-                <label htmlFor="lint-warning-on" className="preference__option">On</label>
+                <label htmlFor="lint-warning-on" className="preference__option">{this.props.t('On')}</label>
                 <input
                   type="radio"
                   onChange={() => this.props.setLintWarning(false)}
@@ -281,19 +282,19 @@ class Preferences extends React.Component {
                   value="Off"
                   checked={!this.props.lintWarning}
                 />
-                <label htmlFor="lint-warning-off" className="preference__option">Off</label>
+                <label htmlFor="lint-warning-off" className="preference__option">{this.props.t('Off')}</label>
                 <button
                   className="preference__preview-button"
                   onClick={() => beep.play()}
                   aria-label="preview sound"
                 >
-                  Preview sound
+                  {this.props.t('PreviewSound')}
                 </button>
               </div>
             </div>
             <div className="preference">
-              <h4 className="preference__title">Accessible text-based canvas</h4>
-              <h6 className="preference__subtitle">Used with screen reader</h6>
+              <h4 className="preference__title">{this.props.t('AccessibleTextBasedCanvas')}</h4>
+              <h6 className="preference__subtitle">{this.props.t('UsedScreenReader')}</h6>
 
               <div className="preference__options">
                 <input
@@ -307,7 +308,7 @@ class Preferences extends React.Component {
                   value="On"
                   checked={(this.props.textOutput)}
                 />
-                <label htmlFor="text-output-on" className="preference__option preference__canvas">Plain-text</label>
+                <label htmlFor="text-output-on" className="preference__option preference__canvas">{this.props.t('PlainText')}</label>
                 <input
                   type="checkbox"
                   onChange={(event) => {
@@ -319,7 +320,7 @@ class Preferences extends React.Component {
                   value="On"
                   checked={(this.props.gridOutput)}
                 />
-                <label htmlFor="table-output-on" className="preference__option preference__canvas">Table-text</label>
+                <label htmlFor="table-output-on" className="preference__option preference__canvas">{this.props.t('TableText')}</label>
                 <input
                   type="checkbox"
                   onChange={(event) => {
@@ -331,7 +332,7 @@ class Preferences extends React.Component {
                   value="On"
                   checked={(this.props.soundOutput)}
                 />
-                <label htmlFor="sound-output-on" className="preference__option preference__canvas">Sound</label>
+                <label htmlFor="sound-output-on" className="preference__option preference__canvas">{this.props.t('Sound')}</label>
               </div>
             </div>
           </TabPanel>
@@ -360,6 +361,7 @@ Preferences.propTypes = {
   setLintWarning: PropTypes.func.isRequired,
   theme: PropTypes.string.isRequired,
   setTheme: PropTypes.func.isRequired,
+  t: PropTypes.func.isRequired,
 };
 
-export default Preferences;
+export default withTranslation('WebEditor')(Preferences);
diff --git a/client/modules/IDE/components/Toast.jsx b/client/modules/IDE/components/Toast.jsx
index 2b9a0d58..5aaa3f70 100644
--- a/client/modules/IDE/components/Toast.jsx
+++ b/client/modules/IDE/components/Toast.jsx
@@ -2,15 +2,17 @@ import PropTypes from 'prop-types';
 import React from 'react';
 import { bindActionCreators } from 'redux';
 import { connect } from 'react-redux';
+import { useTranslation } from 'react-i18next';
 import * as ToastActions from '../actions/toast';
 
 import ExitIcon from '../../../images/exit.svg';
 
 function Toast(props) {
+  const { t } = useTranslation('WebEditor');
   return (
     <section className="toast">
       <p>
-        {props.text}
+        {t(props.text)}
       </p>
       <button className="toast__close" onClick={props.hideToast} aria-label="Close Alert" >
         <ExitIcon focusable="false" aria-hidden="true" />
diff --git a/client/modules/IDE/pages/IDEView.jsx b/client/modules/IDE/pages/IDEView.jsx
index fbb3dafc..855b7d3d 100644
--- a/client/modules/IDE/pages/IDEView.jsx
+++ b/client/modules/IDE/pages/IDEView.jsx
@@ -3,6 +3,7 @@ import React from 'react';
 import { bindActionCreators } from 'redux';
 import { connect } from 'react-redux';
 import { withRouter } from 'react-router';
+import { withTranslation } from 'react-i18next';
 import { Helmet } from 'react-helmet';
 import SplitPane from 'react-split-pane';
 import Editor from '../components/Editor';
@@ -196,7 +197,7 @@ class IDEView extends React.Component {
       this.props.persistState();
       window.onbeforeunload = null;
     } else if (this.props.ide.unsavedChanges) {
-      if (!window.confirm('Are you sure you want to leave this page? You have unsaved changes.')) {
+      if (!window.confirm(this.props.t('WarningUnsavedChanges'))) {
         return false;
       }
       this.props.setUnsavedChanges(false);
@@ -218,7 +219,7 @@ class IDEView extends React.Component {
         <Toolbar />
         {this.props.ide.preferencesIsVisible &&
           <Overlay
-            title="Settings"
+            title={this.props.t('Settings')}
             ariaLabel="settings"
             closeOverlay={this.props.closePreferences}
           >
@@ -334,7 +335,7 @@ class IDEView extends React.Component {
               </SplitPane>
               <section className="preview-frame-holder">
                 <header className="preview-frame__header">
-                  <h2 className="preview-frame__title">Preview</h2>
+                  <h2 className="preview-frame__title">{this.props.t('Preview')}</h2>
                 </header>
                 <div className="preview-frame__content">
                   <div className="preview-frame-overlay" ref={(element) => { this.overlay = element; }}>
@@ -395,7 +396,7 @@ class IDEView extends React.Component {
         }
         { this.props.location.pathname === '/about' &&
           <Overlay
-            title="About"
+            title={this.props.t('About')}
             previousPath={this.props.ide.previousPath}
             ariaLabel="about"
           >
@@ -441,7 +442,7 @@ class IDEView extends React.Component {
         }
         {this.props.ide.keyboardShortcutVisible &&
           <Overlay
-            title="Keyboard Shortcuts"
+            title={this.props.t('KeyboardShortcuts')}
             ariaLabel="keyboard shortcuts"
             closeOverlay={this.props.closeKeyboardShortcutModal}
           >
@@ -609,7 +610,8 @@ IDEView.propTypes = {
   hideRuntimeErrorWarning: PropTypes.func.isRequired,
   startSketch: PropTypes.func.isRequired,
   openUploadFileModal: PropTypes.func.isRequired,
-  closeUploadFileModal: PropTypes.func.isRequired
+  closeUploadFileModal: PropTypes.func.isRequired,
+  t: PropTypes.func.isRequired
 };
 
 function mapStateToProps(state) {
@@ -646,4 +648,6 @@ function mapDispatchToProps(dispatch) {
   );
 }
 
-export default withRouter(connect(mapStateToProps, mapDispatchToProps)(IDEView));
+
+export default withTranslation('WebEditor')(withRouter(connect(mapStateToProps, mapDispatchToProps)(IDEView)));
+
diff --git a/package-lock.json b/package-lock.json
index 2030d887..2d4c01ef 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16272,6 +16272,14 @@
         }
       }
     },
+    "html-parse-stringify2": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/html-parse-stringify2/-/html-parse-stringify2-2.0.1.tgz",
+      "integrity": "sha1-3FZwtyksoVi3vJFsmmc1rIhyg0o=",
+      "requires": {
+        "void-elements": "^2.0.1"
+      }
+    },
     "html-tags": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/html-tags/-/html-tags-3.1.0.tgz",
@@ -16692,6 +16700,52 @@
         }
       }
     },
+    "i18next": {
+      "version": "19.5.1",
+      "resolved": "https://registry.npmjs.org/i18next/-/i18next-19.5.1.tgz",
+      "integrity": "sha512-e6lGMiTyb51F9PPInUTTDg8YbwcWXZYX18svaX2NUUWEphJKP7oG5HMlbZ+K84AXqw4AeBnwRrOlS9ickqcCBg==",
+      "requires": {
+        "@babel/runtime": "^7.10.1"
+      },
+      "dependencies": {
+        "@babel/runtime": {
+          "version": "7.10.3",
+          "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.10.3.tgz",
+          "integrity": "sha512-RzGO0RLSdokm9Ipe/YD+7ww8X2Ro79qiXZF3HU9ljrM+qnJmH1Vqth+hbiQZy761LnMJTMitHDuKVYTk3k4dLw==",
+          "requires": {
+            "regenerator-runtime": "^0.13.4"
+          }
+        },
+        "regenerator-runtime": {
+          "version": "0.13.5",
+          "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.13.5.tgz",
+          "integrity": "sha512-ZS5w8CpKFinUzOwW3c83oPeVXoNsrLsaCoLtJvAClH135j/R77RuymhiSErhm2lKcwSCIpmvIWSbDkIfAqKQlA=="
+        }
+      }
+    },
+    "i18next-browser-languagedetector": {
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/i18next-browser-languagedetector/-/i18next-browser-languagedetector-4.3.1.tgz",
+      "integrity": "sha512-KIToAzf8zwWvacgnRwJp63ase26o24AuNUlfNVJ5YZAFmdGhsJpmFClxXPuk9rv1FMI4lnc8zLSqgZPEZMrW4g==",
+      "requires": {
+        "@babel/runtime": "^7.5.5"
+      }
+    },
+    "i18next-http-backend": {
+      "version": "1.0.15",
+      "resolved": "https://registry.npmjs.org/i18next-http-backend/-/i18next-http-backend-1.0.15.tgz",
+      "integrity": "sha512-AOGNcB47n0S4GANyVhGUeLRzUUgvh6Lf5vNs/+G3cCP2Mri0OseO2rX0VLHE6PcL21mswW7ka1nmjGKviXKnjQ==",
+      "requires": {
+        "node-fetch": "2.6.0"
+      },
+      "dependencies": {
+        "node-fetch": {
+          "version": "2.6.0",
+          "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.0.tgz",
+          "integrity": "sha512-8dG4H5ujfvFiqDmVu9fQ5bOHUC15JMjMY/Zumv26oOvvVJjM67KF8koCWIabKQ1GJIa9r2mMZscBq/TbdOcmNA=="
+        }
+      }
+    },
     "iconv-lite": {
       "version": "0.4.24",
       "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.24.tgz",
@@ -27010,6 +27064,15 @@
         "prop-types": "^15.6.1"
       }
     },
+    "react-i18next": {
+      "version": "11.7.0",
+      "resolved": "https://registry.npmjs.org/react-i18next/-/react-i18next-11.7.0.tgz",
+      "integrity": "sha512-8tvVkpuxQlubcszZON+jmoCgiA9gCZ74OAYli9KChPhETtq8pJsANBTe9KRLRLmX3ubumgvidURWr0VvKz1tww==",
+      "requires": {
+        "@babel/runtime": "^7.3.1",
+        "html-parse-stringify2": "2.0.1"
+      }
+    },
     "react-input-autosize": {
       "version": "2.2.2",
       "resolved": "https://registry.npmjs.org/react-input-autosize/-/react-input-autosize-2.2.2.tgz",
@@ -32181,8 +32244,7 @@
     "void-elements": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/void-elements/-/void-elements-2.0.1.tgz",
-      "integrity": "sha1-wGavtYK7HLQSjWDqkjkulNXp2+w=",
-      "dev": true
+      "integrity": "sha1-wGavtYK7HLQSjWDqkjkulNXp2+w="
     },
     "vue-docgen-api": {
       "version": "4.20.0",
diff --git a/package.json b/package.json
index 033afdcf..a760518c 100644
--- a/package.json
+++ b/package.json
@@ -151,6 +151,9 @@
     "express-session": "^1.17.0",
     "friendly-words": "^1.1.10",
     "htmlhint": "^0.10.1",
+    "i18next": "^19.4.5",
+    "i18next-browser-languagedetector": "^4.2.0",
+    "i18next-http-backend": "^1.0.15",
     "is-url": "^1.2.4",
     "jest-express": "^1.11.0",
     "js-beautify": "^1.10.3",
@@ -178,6 +181,7 @@
     "react-dom": "^16.12.0",
     "react-helmet": "^5.1.3",
     "react-hot-loader": "^4.12.19",
+    "react-i18next": "^11.5.0",
     "react-redux": "^5.1.2",
     "react-router": "^3.2.5",
     "react-split-pane": "^0.1.89",
diff --git a/server/server.js b/server/server.js
index 892ff85f..73f018cd 100644
--- a/server/server.js
+++ b/server/server.js
@@ -79,6 +79,7 @@ app.options('*', corsMiddleware);
 app.use(Express.static(path.resolve(__dirname, '../dist/static'), {
   maxAge: process.env.STATIC_MAX_AGE || (process.env.NODE_ENV === 'production' ? '1d' : '0')
 }));
+app.use('/translations', Express.static('translations/locales/'));
 app.use(bodyParser.urlencoded({ limit: '50mb', extended: true }));
 app.use(bodyParser.json({ limit: '50mb' }));
 app.use(cookieParser());
diff --git a/server/views/index.js b/server/views/index.js
index ef88aec6..6aca8975 100644
--- a/server/views/index.js
+++ b/server/views/index.js
@@ -33,6 +33,8 @@ export function renderIndex() {
         window.process.env.UI_COLLECTIONS_ENABLED = ${process.env.UI_COLLECTIONS_ENABLED === 'false' ? false : true};
         window.process.env.UPLOAD_LIMIT = ${process.env.UPLOAD_LIMIT ? `${process.env.UPLOAD_LIMIT}` : undefined};
         window.process.env.MOBILE_ENABLED = ${process.env.MOBILE_ENABLED ? `${process.env.MOBILE_ENABLED}` : undefined};
+        window.process.env.TRANSLATIONS_ENABLED = ${process.env.TRANSLATIONS_ENABLED === 'true' ? true :false}; 
+
       </script>
     </head>
     <body>
diff --git a/translations/locales/en-US/translations.json b/translations/locales/en-US/translations.json
new file mode 100644
index 00000000..a69022d3
--- /dev/null
+++ b/translations/locales/en-US/translations.json
@@ -0,0 +1,115 @@
+{
+    "Contribute": "Contribute",
+    "NewP5": "New to p5.js?",
+    "Report": "Report a bug",
+    "Learn": "Learn",
+    "About": "About",
+    "Resources": "Resources",
+    "Libraries": "Libraries",
+    "Forum": "Forum",
+    "File": "File",
+    "New": "New",
+    "Save": "Save",
+    "Share": "Share",
+    "Duplicate": "Duplicate",
+    "Examples": "Examples",
+    "Edit": "Edit",
+    "TidyCode": "Tidy Code",
+    "Find": "Find",
+    "AddToCollection": "Add to Collection",
+    "FindNext": "Find Next",
+    "FindPrevious": "Find Previous",
+    "Sketch": "Sketch",
+    "AddFile": "Add File",
+    "AddFolder": "Add Folder",
+    "Run": "Run",
+    "Stop": "Stop",
+    "Help": "Help",
+    "KeyboardShortcuts": "Keyboard Shortcuts",
+    "Reference": "Reference",
+    "Tidy": "Tidy",
+    "Lang": "Language",
+    "FindNextMatch": "Find Next Match",
+    "FindPrevMatch": "Find Previous Match",
+    "IndentCodeLeft": "Indent Code Left",
+    "IndentCodeRight": "Indent Code Right",
+    "CommentLine": "Comment Line",
+    "StartSketch": "Start Sketch",
+    "StopSketch": "StopSketch",
+    "TurnOnAccessibleOutput": "Turn On Accessible Output",
+    "TurnOffAccessibleOutput": "Turn Off Accessible Output",
+    "ToogleSidebar": "Toogle Sidebar",
+    "ToogleConsole": "Toogle Console",
+    "Preview": "Preview",
+    "Auto-refresh": "Auto-refresh",
+    "Console": "Console",
+    "Settings": "Settings",
+    "GeneralSettings": "General settings",
+    "Theme": "Theme",
+    "Light": "Light",
+    "Dark": "Dark",
+    "HighContrast": "High Contrast",
+    "TextSize": "Text Size",
+    "Decrease": "Decrease",
+    "Increase": "Increase",
+    "IndentationAmount": "Indentation amount",
+    "Autosave": "Autosave",
+    "On": "On",
+    "Off": "Off",
+    "SketchSettings": "Sketch Settings",
+    "SecurityProtocol": "Security Protocol",
+    "ServeOverHTTPS": "Serve over HTTPS",
+    "Accessibility": "Accessibility",
+    "LintWarningSound": "Lint warning sound",
+    "PreviewSound": "Preview sound",
+    "AccessibleTextBasedCanvas": "Accessible text-based canvas",
+    "UsedScreenReader": "Used with screen reader",
+    "PlainText": "Plain-text",
+    "TableText": "Table-text",
+    "Sound": "Sound",
+    "WordWrap": "Word Wrap",
+    "LineNumbers": "Line numbers",
+    "LangChange": "Language changed",
+    "Welcome": "Welcome",
+    "Login": "Log in",
+    "LoginOr": "or",
+    "SignUp": "Sign up",
+    "Email": "email",
+    "Username": "username",
+    "LoginGithub": "Login with Github",
+    "LoginGoogle": "Login with Google",
+    "DontHaveAccount": "Don't have an account?",
+    "ForgotPassword": "Forgot your password?",
+    "ResetPassword": "Reset your password",
+    "BackEditor": "Back to Editor",
+    "UsernameSplit": "User Name",
+    "Password": "Password",
+    "ConfirmPassword": "Confirm Password",
+    "OpenedNewSketch": "Opened new sketch.",
+  "Hello": "Hello",
+    "MyAccount": "My Account",
+    "My":"My",
+    "Sketches": "My sketches",
+    "Collections": "My collections",
+    "Asset": "Asset",
+    "MyAssets": "My assets",
+    "TitleAbout": "p5.js Web Editor | About",
+    "CodeEditing": "Code Editing",
+    "Error": "Error",
+    "In order to save": "In order to save",
+    "you must be logged in": "you must be logged in",
+    "Please": "please",
+    "Find in files": "Find in files",
+    "Create": "Create",
+    "enter a name": "enter a name",
+    "Add": "Add",
+    "Folder": "Folder",
+    "FindText": "Find Text",
+    "FindNextTextMatch": "Find Next Text Match",
+    "FindPreviousTextMatch": "Find Previous Text Match",
+    "Code editing keyboard shortcuts follow": "Code editing keyboard shortcuts follow",
+    "Sublime Text shortcuts": "Sublime Text shortcuts",
+  "WarningUnsavedChanges": "Are you sure you want to leave this page? You have unsaved changes."
+
+}
+
diff --git a/translations/locales/es-419/translations.json b/translations/locales/es-419/translations.json
new file mode 100644
index 00000000..cd5276ec
--- /dev/null
+++ b/translations/locales/es-419/translations.json
@@ -0,0 +1,113 @@
+{
+    "Contribute": "Contribuir",
+    "NewP5": "¿Empezando con p5.js?",
+    "Report": "Reporta un error",
+    "Learn": "Aprende",
+    "About": "Acerca de",
+    "Resources": "Recursos",
+    "Libraries": "Bibliotecas",
+    "Forum": "Foro",
+    "File": "Archivo",
+    "New": "Nuevo",
+    "Save": "Guardar",
+    "Share": "Compartir",
+    "Duplicate": "Duplicar",
+    "Examples": "Ejemplos",
+    "Edit": "Editar",
+    "TidyCode": "Ordenar código",
+    "Find": "Buscar",
+    "AddToCollection": "Agregar a colección",
+    "FindNext": "Buscar siguiente",
+    "FindPrevious": "Buscar anterior",
+    "Sketch": "Bosquejo",
+    "AddFile": "Agregar archivo",
+    "AddFolder": "Agregar directorio",
+    "Run": "Ejecutar",
+    "Stop": "Detener",
+    "Help": "Ayuda",
+    "KeyboardShortcuts": "Atajos",
+    "Reference": "Referencia",
+    "Tidy": "Ordenar",
+    "Lang": "Lenguaje",
+    "FindNextMatch": "Encontrar siguiente ocurrencia",
+    "FindPrevMatch": "Encontrar ocurrencia previa",
+    "IndentCodeLeft": "Indentar código a la izquierda",
+    "IndentCodeRight": "Indentar código a la derecha",
+    "CommentLine": "Comentar línea de código",
+    "StartSketch": "Iniciar bosquejo",
+    "StopSketch": "Detener bosquejo",
+    "TurnOnAccessibleOutput": "Activar salida accesible",
+    "TurnOffAccessibleOutput": "Desactivar salida accesible",
+    "ToogleSidebar": "Alternar barra de deslizamiento",
+    "ToogleConsole": "Alternar consola",
+    "Preview": "Vista previa",
+    "Auto-refresh": "Auto-refrescar",
+    "Console": "Consola",
+    "Settings": "Configuración",
+    "GeneralSettings": "Configuración general",
+    "Theme": "Modo de visualización",
+    "Light": "Claro",
+    "Dark": "Oscuro",
+    "HighContrast": "Alto contraste",
+    "TextSize": "Tamaño del texto",
+    "Decrease": "Disminuir",
+    "Increase": "Aumentar",
+    "IndentationAmount": "Cantidad de indentación",
+    "Autosave": "Grabar automáticamente",
+    "On": "Activar",
+    "Off": "Desactivar",
+    "SketchSettings": "Configuración del bosquejo",
+    "SecurityProtocol": "Protocolo de seguridad",
+    "ServeOverHTTPS": "Usar HTTPS",
+    "Accessibility": "Accesibilidad",
+    "LintWarningSound": "Sonido de alarma Lint",
+    "PreviewSound": "Probar sonido",
+    "AccessibleTextBasedCanvas": "Lienzo accesible por texto",
+    "UsedScreenReader": "Uso con screen reader",
+    "PlainText": "Texto sin formato",
+    "TableText": "Tablero de texto",
+    "Sound": "Sonido",
+    "WordWrap": "Ajuste automático de línea",
+    "LineNumbers": "Número de línea",
+    "LangChange": "Lenguaje cambiado",
+    "Welcome": "Bienvenida",
+    "Login": "Ingresa",
+    "LoginOr": "o",
+    "SignUp": "registráte",
+    "email": "correo electrónico",
+    "username": "nombre de usuario",
+    "LoginGithub": "Ingresa con Github",
+    "LoginGoogle": "Ingresa con Google",
+    "DontHaveAccount": "No tienes cuenta?",
+    "ForgotPassword": "¿Olvidaste tu contraseña?",
+    "ResetPassword": "Regenera tu contraseña",
+    "BackEditor": "Regresa al editor",
+    "UsernameSplit": "Nombre de usuario",
+    "Password": "Contraseña",
+    "ConfirmPassword": "Confirma la contraseña",
+    "OpenedNewSketch": "Creaste nuevo bosquejo.",
+    "Hello": "Hola",
+    "MyAccount": "Mi Cuenta",
+    "My": "Mi",
+    "MySketches": "Mis bosquejos",
+    "MyCollections":"Mis colecciones",
+    "Asset": "Asset",
+    "MyAssets": "Mis assets",
+    "TitleAbout": "Editor Web p5.js  | Acerca de",
+    "CodeEditing": "Editando Código",
+    "Error": "Error",
+    "In order to save": "Para guardar",
+    "you must be logged in": "debes ingresar a tu cuenta",
+    "Please": "Por favor",
+    "Find in files": "Encontrar en archivos",
+    "Create": "Create",
+    "enter a name": "enter a name",
+    "Add": "Add",
+    "Folder": "Directorio",
+    "FindText": "Encontrar texto",
+    "FindNextTextMatch": "Encontrar la siguiente ocurrencia de texto",
+    "FindPreviousTextMatch": "Encontrar la ocurrencia previa de texto",
+    "Code editing keyboard shortcuts follow": "Los atajos para edición son como",
+    "Sublime Text shortcuts": "los atajos de Sublime Text ",
+    "WarningUnsavedChanges": "¿Estás seguro de que quieres salir de la página? Tienes cambios sin guardar."
+  }