From b78d21a524f7a11ad29b4bd230f23825f80c3ed7 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Sun, 26 Jul 2020 15:02:55 +0800
Subject: Merge front end repo

---
 Timeline/ClientApp/src/app/i18n.ts | 79 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 Timeline/ClientApp/src/app/i18n.ts

(limited to 'Timeline/ClientApp/src/app/i18n.ts')

diff --git a/Timeline/ClientApp/src/app/i18n.ts b/Timeline/ClientApp/src/app/i18n.ts
new file mode 100644
index 00000000..aa293819
--- /dev/null
+++ b/Timeline/ClientApp/src/app/i18n.ts
@@ -0,0 +1,79 @@
+import i18n, { BackendModule, ResourceKey } from 'i18next';
+import LanguageDetector from 'i18next-browser-languagedetector';
+import { initReactI18next } from 'react-i18next';
+
+const backend: BackendModule = {
+  type: 'backend',
+  async read(language, namespace, callback) {
+    function error(message: string): void {
+      callback(new Error(message), false);
+    }
+
+    function success(result: ResourceKey): void {
+      callback(null, result);
+    }
+
+    if (namespace !== 'translation') {
+      error("Namespace must be 'translation'.");
+    }
+
+    if (language === 'en') {
+      const res = (
+        await import(
+          /* webpackChunkName: "locales-en" */ './locales/en/translation'
+        )
+      ).default;
+      success(res);
+    } else if (language === 'zh-cn' || language === 'zh') {
+      const res = (
+        await import(
+          /* webpackChunkName: "locales-zh" */ './locales/zh/translation'
+        )
+      ).default;
+      success(res);
+    } else {
+      error(`Language ${language} is not supported.`);
+    }
+  },
+  init() {}, // eslint-disable-line @typescript-eslint/no-empty-function
+  create() {}, // eslint-disable-line @typescript-eslint/no-empty-function
+};
+
+export const i18nPromise = i18n
+  .use(LanguageDetector)
+  .use(backend)
+  .use(initReactI18next) // bind react-i18next to the instance
+  .init({
+    fallbackLng: false,
+    lowerCaseLng: true,
+
+    debug: process.env.NODE_ENV === 'development',
+
+    interpolation: {
+      escapeValue: false, // not needed for react!!
+    },
+
+    // react i18next special options (optional)
+    // override if needed - omit if ok with defaults
+    /*
+    react: {
+      bindI18n: 'languageChanged',
+      bindI18nStore: '',
+      transEmptyNodeValue: '',
+      transSupportBasicHtmlNodes: true,
+      transKeepBasicHtmlNodesFor: ['br', 'strong', 'i'],
+      useSuspense: true,
+    }
+    */
+  });
+
+if (module.hot) {
+  module.hot.accept(
+    ['./locales/en/translation', './locales/zh/translation'],
+    () => {
+      void i18n.reloadResources();
+    }
+  );
+}
+
+export default i18n;
-- 
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