package.json

@@ -28,6 +28,8 @@
     "date-holidays": "^1.5.3",
     "file-loader": "4.3.0",
     "html-webpack-plugin": "4.0.0-beta.11",
+    "i18next": "^19.6.0",
+    "i18next-browser-languagedetector": "^5.0.0",
     "moment": "^2.26.0",
     "node-sass": "^4.14.1",
     "optimize-css-assets-webpack-plugin": "5.0.3",
@@ -40,6 +42,7 @@
     "react-app-polyfill": "^1.0.6",
     "react-dev-utils": "^10.2.1",
     "react-dom": "^16.13.1",
+    "react-i18next": "^11.7.0",
     "react-redux": "^7.2.0",
     "react-router-dom": "^5.2.0",
     "redux": "^4.0.5",
@@ -52,7 +55,8 @@
     "webpack": "4.42.0",
     "webpack-cli": "^3.3.11",
     "webpack-dev-server": "3.10.3",
-    "workbox-webpack-plugin": "4.3.1"
+    "workbox-webpack-plugin": "4.3.1",
+    "yaml-loader": "^0.6.0"
   },
   "scripts": {
     "serve": "webpack-dev-server --mode development",

src/app.tsx

@@ -1,14 +1,9 @@
-import React, { Dispatch } from 'react';
+import React, { Dispatch, HTMLProps } from 'react';
 import { MuiThemeProvider as ThemeProvider, StylesProvider } from "@material-ui/core/styles";
 import { studentTheme } from "./ui/theme";
 import { MuiPickersUtilsProvider } from "@material-ui/pickers";
 import MomentUtils from "@date-io/moment";
 import { BrowserRouter, Link, Route, Switch } from "react-router-dom"
-
-import "moment/locale/pl"
-import '@/styles/overrides.scss'
-import '@/styles/header.scss'
-
 import moment, { Moment } from "moment";
 import { route, routes } from "@/routing";
 import { Provider, useDispatch, useSelector } from "react-redux";
@@ -16,6 +11,15 @@ import store from "@/state/store";
 import { AppState } from "@/state/reducer";
 import { StudentAction, StudentActions } from "@/state/actions/student";
 import { sampleStudent } from "@/provider/dummy/student";
+import { Trans, useTranslation } from "react-i18next";
+import { StudentState } from "@/state/reducer/student";
+import { Student } from "@/data";
+
+import "moment/locale/pl"
+import '@/styles/overrides.scss'
+import '@/styles/header.scss'
+import classNames from "classnames";
+import { Button } from "@material-ui/core";
 
 moment.locale("pl")
 
@@ -25,10 +29,10 @@ class LocalizedMomentUtils extends MomentUtils {
     }
 }
 
-const UserMenu = () => {
+const UserMenu = (props: HTMLProps<HTMLUListElement>) => {
-    const student = useSelector<AppState>(state => state.student);
+    const student = useSelector<AppState, Student>(state => state.student as Student);
-
     const dispatch = useDispatch<Dispatch<StudentAction>>();
+    const { t } = useTranslation();
 
     const handleUserLogin = () => {
         dispatch({
@@ -41,41 +45,32 @@ const UserMenu = () => {
         dispatch({ type: StudentActions.Logout })
     }
 
-    return student ? <>
+    return <ul {...props}>
-        zalogowany jako: <strong>Jan Kowalski</strong>
+        {
-        {' '}
+            student ? <>
-        (<Link to={'#'} onClick={ handleUserLogout }>wyloguj się</Link>)
+                <Trans t={ t } i18nKey="logged-in-as">logged in as <strong>{{ name: student.name }}</strong></Trans>
-    </> : <>
+                {' '}
-        <Link to={'#'} onClick={ handleUserLogin }>zaloguj się</Link>
+                (<Link to={'#'} onClick={ handleUserLogout }>{ t('logout') }</Link>)
-    </>;
+            </> : <>
+                <Link to={'#'} onClick={ handleUserLogin }>{ t('login') }</Link>
+            </>
+        }
+    </ul>;
 }
 
-const AppHeader = () => {
+const LanguageSwitcher = ({ className, ...props }: HTMLProps<HTMLUListElement>) => {
-    return <header className="header">
+    const { i18n } = useTranslation();
-        <div id="logo" className="header__logo">
-            <Link to={ route('home') }>
-                <img src="img/pg-logotyp.svg"/>
-            </Link>
-        </div>
-        <div className="header__nav">
-            <nav className="header__top">
-                <ul className="header__menu"></ul>
-                <div className="header__user">
-                    <UserMenu />
-                </div>
-                <div className="header__divider" />
-                <ul className="header__language-switcher">
-                    <li>pl</li>
-                    <li>en</li>
-                </ul>
-            </nav>
-            <nav className="header__bottom">
-                <ul className="header__menu header__menu--main"></ul>
-            </nav>
-        </div>
-    </header>
-}
 
+    const handleLanguageChange = (language: string) => () => {
+        i18n.changeLanguage(language);
+    }
+
+    return <ul className={ classNames(className, "language-switcher") } { ...props }>
+        { ['pl', 'en'].map(language => <li key={ language }>
+            <Link to="#" onClick={ handleLanguageChange(language) }>{ language }</Link>
+        </li>) }
+    </ul>
+}
 
 function App() {
     return (
@@ -84,7 +79,24 @@ function App() {
                 <MuiPickersUtilsProvider utils={ LocalizedMomentUtils } libInstance={ moment }>
                     <ThemeProvider theme={ studentTheme }>
                         <BrowserRouter>
-                            <AppHeader />
+                            <header className="header">
+                                <div id="logo" className="header__logo">
+                                    <Link to={ route('home') }>
+                                        <img src="img/pg-logotyp.svg"/>
+                                    </Link>
+                                </div>
+                                <div className="header__nav">
+                                    <nav className="header__top">
+                                        <ul className="header__menu"></ul>
+                                        <UserMenu className="header__user"/>
+                                        <div className="header__divider" />
+                                        <LanguageSwitcher className="header__language-switcher"/>
+                                    </nav>
+                                    <nav className="header__bottom">
+                                        <ul className="header__menu header__menu--main"></ul>
+                                    </nav>
+                                </div>
+                            </header>
                             <Switch>{ routes.map(({ name, content, ...route }) => <Route { ...route } key={ name }>{ content() }</Route>) }</Switch>
                         </BrowserRouter>
                     </ThemeProvider>

src/i18n.ts

@@ -0,0 +1,26 @@
+import i18n from "i18next";
+import { initReactI18next } from "react-i18next";
+import I18nextBrowserLanguageDetector from "i18next-browser-languagedetector";
+
+const resources = {
+    en: {
+        translation: require('../translations/en.yaml'),
+    },
+    pl: {
+        translation: require('../translations/pl.yaml'),
+    }
+}
+
+i18n
+    .use(I18nextBrowserLanguageDetector)
+    .use(initReactI18next)
+    .init({
+        resources,
+        fallbackLng: "en",
+        debug: true,
+        interpolation: {
+            escapeValue: false
+        }
+    })
+
+export default i18n;

src/index.tsx

@@ -1,5 +1,6 @@
 import React from 'react';
 import ReactDOM from 'react-dom';
+import "./i18n"
 import App from './app';
 
 ReactDOM.render(

src/pages/main.tsx

@@ -4,25 +4,29 @@ import { Container, Typography, Button, Divider, Box, Stepper, Step, StepLabel,
 import { InternshipForm } from "@/forms/Internship";
 import { Link as RouterLink } from "react-router-dom";
 import { route } from "@/routing";
+import { useTranslation } from "react-i18next";
 
 export const MainPage = () => {
+    const { t } = useTranslation();
+
     return <Page my={6}>
         <Container>
-            <Typography variant="h2">Moja praktyka</Typography>
+            <Typography variant="h2">{ t("sections.my-internship.header") }</Typography>
             <Stepper orientation="vertical" nonLinear>
                 <Step completed active={false}>
                     <StepLabel>
-                        Uzupełnienie danych w systemie
+                        { t('steps.personal-data.header') }
                         <Box>
-                            <Typography variant="subtitle2" color="textSecondary">do: 05.07.2020</Typography>
+                            <Typography variant="subtitle2" color="textSecondary">{ t('until', { date: '05.07.2020' }) }</Typography>
                         </Box>
                     </StepLabel>
-                    <StepContent>lol</StepContent>
                 </Step>
                 <Step active>
-                    <StepLabel>Zgłoszenie praktyki</StepLabel>
+                    <StepLabel>{ t('steps.internship-proposal.header')}</StepLabel>
                     <StepContent>
-                        <Button to={ route("internship_proposal") } variant="contained" color="primary" component={ RouterLink }>Formularz zgłoszenia praktyki</Button>
+                        <Button to={ route("internship_proposal") } variant="contained" color="primary" component={ RouterLink }>
+                            { t('steps.internship-proposal.form') }
+                        </Button>
                     </StepContent>
                 </Step>
             </Stepper>

src/styles/header.scss

@@ -57,7 +57,11 @@
   text-transform: uppercase;
 
   li {
-    padding: 7px;
     list-style: none;
+
+    a {
+      padding: 7px;
+      display: block;
+    }
   }
 }

translations/en.yaml

@@ -0,0 +1,17 @@
+---
+login: login
+logout: logout
+logged-in-as: logged in as <1>{{ name }}</1>
+
+until: until {{ date }}
+
+sections:
+  my-internship:
+    header: "My internship"
+
+steps:
+  personal-data:
+    header: "Personal data"
+  internship-proposal:
+    header: "Internship proposal"
+    form: "Internship proposal form"

translations/pl.yaml

@@ -0,0 +1,17 @@
+---
+login: zaloguj się
+logout: wyloguj się
+logged-in-as: zalogowany jako <1>{{ name }}</1>
+
+until: do {{ date }}
+
+sections:
+  my-internship:
+    header: "Moja praktyka"
+
+steps:
+  personal-data:
+    header: "Uzupełnienie informacji"
+  internship-proposal:
+    header: "Zgłoszenie praktyki"
+    form: "Formularz zgłaszania praktyki"

webpack.config.js

@@ -34,6 +34,10 @@ const config = {
         }, {
             test: /\.(woff|woff2|eot|ttf|otf)$/,
             use: 'file-loader'
+        }, {
+            test: /\.ya?ml$/,
+            type: 'json',
+            use: 'yaml-loader'
         }]
     },
     plugins: [

yarn.lock

@@ -926,6 +926,13 @@
   dependencies:
     regenerator-runtime "^0.13.4"
 
+"@babel/runtime@^7.10.1":
+  version "7.10.4"
+  resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.10.4.tgz#a6724f1a6b8d2f6ea5236dbfe58c7d7ea9c5eb99"
+  integrity sha512-UpTN5yUJr9b4EX2CnGNWIvER7Ab83ibv0pcvvHc4UOdrBI5jb8bj+32cCwPX6xu0mt2daFNjYhoi+X7beH0RSw==
+  dependencies:
+    regenerator-runtime "^0.13.4"
+
 "@babel/template@^7.10.1", "@babel/template@^7.8.6":
   version "7.10.1"
   resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.10.1.tgz#e167154a94cb5f14b28dc58f5356d2162f539811"
@@ -4388,6 +4395,13 @@ html-minifier-terser@^5.0.1:
     relateurl "^0.2.7"
     terser "^4.6.3"
 
+html-parse-stringify2@2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/html-parse-stringify2/-/html-parse-stringify2-2.0.1.tgz#dc5670b7292ca158b7bc916c9a6735ac8872834a"
+  integrity sha1-3FZwtyksoVi3vJFsmmc1rIhyg0o=
+  dependencies:
+    void-elements "^2.0.1"
+
 html-webpack-plugin@4.0.0-beta.11:
   version "4.0.0-beta.11"
   resolved "https://registry.yarnpkg.com/html-webpack-plugin/-/html-webpack-plugin-4.0.0-beta.11.tgz#3059a69144b5aecef97708196ca32f9e68677715"
@@ -4492,6 +4506,20 @@ hyphenate-style-name@^1.0.3:
   resolved "https://registry.yarnpkg.com/hyphenate-style-name/-/hyphenate-style-name-1.0.3.tgz#097bb7fa0b8f1a9cf0bd5c734cf95899981a9b48"
   integrity sha512-EcuixamT82oplpoJ2XU4pDtKGWQ7b00CD9f1ug9IaQ3p1bkHMiKCZ9ut9QDI6qsa6cpUuB+A/I+zLtdNK4n2DQ==
 
+i18next-browser-languagedetector@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/i18next-browser-languagedetector/-/i18next-browser-languagedetector-5.0.0.tgz#9e946ed2ea5514a636913fe020a32455e82946e3"
+  integrity sha512-ekeKbRvTOsSOABSEPHFqyb6Q37JagZXjkISgQKHP84t/VZRW/B3FMVz+tBNQDVdZLsEaOe8fuJpeZsw2TvWeVQ==
+  dependencies:
+    "@babel/runtime" "^7.5.5"
+
+i18next@^19.6.0:
+  version "19.6.0"
+  resolved "https://registry.yarnpkg.com/i18next/-/i18next-19.6.0.tgz#3881b8e476e494dcdadcc8983e594080417fd82e"
+  integrity sha512-t+pA7iN2WtwS1UQc4PFKHDIO4HYZIl2Wo8UC8gqt70Q1qY50FflAF5vV4IbQEqy4DuK3I9wv3BL1PMvkk238WA==
+  dependencies:
+    "@babel/runtime" "^7.10.1"
+
 iconv-lite@0.4.24, iconv-lite@^0.4.24:
   version "0.4.24"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.24.tgz#2022b4b25fbddc21d2f524974a474aafe733908b"
@@ -7323,6 +7351,14 @@ react-error-overlay@^6.0.7:
   resolved "https://registry.yarnpkg.com/react-error-overlay/-/react-error-overlay-6.0.7.tgz#1dcfb459ab671d53f660a991513cb2f0a0553108"
   integrity sha512-TAv1KJFh3RhqxNvhzxj6LeT5NWklP6rDr2a0jaTfsZ5wSZWHOGeqQyejUp3xxLfPt2UpyJEcVQB/zyPcmonNFA==
 
+react-i18next@^11.7.0:
+  version "11.7.0"
+  resolved "https://registry.yarnpkg.com/react-i18next/-/react-i18next-11.7.0.tgz#f27c4c237a274e007a48ac1210db83e33719908b"
+  integrity sha512-8tvVkpuxQlubcszZON+jmoCgiA9gCZ74OAYli9KChPhETtq8pJsANBTe9KRLRLmX3ubumgvidURWr0VvKz1tww==
+  dependencies:
+    "@babel/runtime" "^7.3.1"
+    html-parse-stringify2 "2.0.1"
+
 react-is@^16.6.0, react-is@^16.7.0, react-is@^16.8.0, react-is@^16.8.1, react-is@^16.9.0:
   version "16.13.1"
   resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.13.1.tgz#789729a4dc36de2999dc156dd6c1d9c18cea56a4"
@@ -8910,6 +8946,11 @@ vm-browserify@^1.0.1:
   resolved "https://registry.yarnpkg.com/vm-browserify/-/vm-browserify-1.1.2.tgz#78641c488b8e6ca91a75f511e7a3b32a86e5dda0"
   integrity sha512-2ham8XPWTONajOR0ohOKOHXkm3+gaBmGut3SRuu75xLd/RRaY6vqgh8NBYYk7+RW3u5AtzPQZG8F10LHkl0lAQ==
 
+void-elements@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/void-elements/-/void-elements-2.0.1.tgz#c066afb582bb1cb4128d60ea92392e94d5e9dbec"
+  integrity sha1-wGavtYK7HLQSjWDqkjkulNXp2+w=
+
 watchpack-chokidar2@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/watchpack-chokidar2/-/watchpack-chokidar2-2.0.0.tgz#9948a1866cbbd6cb824dea13a7ed691f6c8ddff0"
@@ -9290,7 +9331,15 @@ yallist@^3.0.2:
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.1.1.tgz#dbb7daf9bfd8bac9ab45ebf602b8cbad0d5d08fd"
   integrity sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==
 
-yaml@^1.7.2:
+yaml-loader@^0.6.0:
+  version "0.6.0"
+  resolved "https://registry.yarnpkg.com/yaml-loader/-/yaml-loader-0.6.0.tgz#fe1c48b9f4803dace55a59a1474e790ba6ab1b48"
+  integrity sha512-1bNiLelumURyj+zvVHOv8Y3dpCri0F2S+DCcmps0pA1zWRLjS+FhZQg4o3aUUDYESh73+pKZNI18bj7stpReow==
+  dependencies:
+    loader-utils "^1.4.0"
+    yaml "^1.8.3"
+
+yaml@^1.7.2, yaml@^1.8.3:
   version "1.10.0"
   resolved "https://registry.yarnpkg.com/yaml/-/yaml-1.10.0.tgz#3b593add944876077d4d683fee01081bd9fff31e"
   integrity sha512-yr2icI4glYaNG+KWONODapy2/jDdMSDnrONSjblABjD9B4Z5LgiircSt8m8sRZFNi08kG9Sm0uSHtEmP3zaEGg==