feat: pass changed files list to i18next getter, #118

Author: felixmosh

__tests__/client-hmr.spec.js

@@ -118,13 +118,25 @@ describe('client-hmr', () => {
     expect(i18nMock.changeLanguage).toHaveBeenCalledWith('en');
   });
 
-  it('should trigger reload when lng-country combination file changed', async () => {
+  it('should pass changed filed to the i18next getter', () => {
+    i18nMock.options = { backend: {}, ns: ['name-space'] };
+    i18nMock.language = 'en';
+    const getter = jest.fn().mockImplementation(() => i18nMock);
+    const changedFiles = ['en/name-space'];
+
+    applyClientHMR(getter);
+    whenHotTriggeredWith(changedFiles);
+
+    expect(getter).toHaveBeenCalledWith({ changedFiles });
+  });
+
+  it('should trigger reload when lng-country combination file changed', () => {
     i18nMock.options = { backend: {}, ns: ['name-space'] };
     i18nMock.language = 'en-US';
 
     applyClientHMR(i18nMock);
 
-    await whenHotTriggeredWith(['en-US/name-space']);
+    whenHotTriggeredWith(['en-US/name-space']);
 
     expect(i18nMock.reloadResources).toHaveBeenCalledWith(
       ['en-US'],

__tests__/server-hmr.spec.js

@@ -401,12 +401,12 @@ describe('server-hmr', () => {
           accept: jest.fn(),
         },
       };
-
-      applyServerHMR(() => i18nMock);
     });
 
     it('should reload resources on updated lang, ns', () => {
       const update = { lang: 'en', ns: 'name-space' };
+      applyServerHMR(() => i18nMock);
+
       whenNativeHMRTriggeredWith([`${update.lang}/${update.ns}`]);
 
       expect(i18nMock.reloadResources).toHaveBeenCalledWith(
@@ -415,5 +415,17 @@ describe('server-hmr', () => {
         expect.any(Function)
       );
     });
+
+    it('should pass changed filed to the i18next getter', () => {
+      const update = { lang: 'en', ns: 'name-space' };
+
+      const getter = jest.fn().mockImplementation(() => i18nMock);
+      const changedFiles = [`${update.lang}/${update.ns}`];
+      applyServerHMR(getter);
+
+      whenNativeHMRTriggeredWith(changedFiles);
+
+      expect(getter).toHaveBeenCalledWith({ changedFiles });
+    });
   });
 });

lib/client-hmr.js

@@ -49,7 +49,8 @@ module.exports = function applyClientHMR(i18nOrGetter) {
 
     module.hot.accept('./trigger.js', () => {
       const { changedFiles } = require('./trigger.js');
-      const i18nInstance = typeof i18nOrGetter === 'function' ? i18nOrGetter() : i18nOrGetter;
+      const i18nInstance =
+        typeof i18nOrGetter === 'function' ? i18nOrGetter({ changedFiles }) : i18nOrGetter;
 
       const list = extractList(changedFiles, i18nInstance);
 

lib/server-hmr.js

@@ -9,7 +9,8 @@ module.exports = function applyServerHMR(i18nOrGetter) {
   const logOnce = createLoggerOnce(log);
 
   function reloadServerTranslation({ changedFiles }) {
-    const i18nInstance = typeof i18nOrGetter === 'function' ? i18nOrGetter() : i18nOrGetter;
+    const i18nInstance =
+      typeof i18nOrGetter === 'function' ? i18nOrGetter({ changedFiles }) : i18nOrGetter;
 
     const list = extractList(changedFiles, i18nInstance);