feat: Add reset method

Author: xiCO2k

src/index.ts

@@ -5,22 +5,22 @@ import { ReplacementsInterface } from './interfaces/replacements'
 import { choose } from './pluralization'
 
 /**
- * The Default language will be used if there is no lang provided.
+ * The default options, for the plugin.
  */
-const DEFAULT_LANG: string = document.documentElement.lang || 'en'
+const DEFAULT_OPTIONS: OptionsInterface = {
+  lang: document.documentElement.lang || 'en',
+  resolve: (lang: string) => new Promise((resolve) => resolve({ default: {} }))
+}
 
 /**
  * Stores the current options.
  */
-let options: OptionsInterface = {
-  lang: DEFAULT_LANG,
-  resolve: (lang: string) => new Promise((resolve) => resolve({ default: {} }))
-}
+let options: OptionsInterface = DEFAULT_OPTIONS;
 
 /**
  * Stores the loaded languages.
  */
-const loaded: LanguageInterface[] = []
+let loaded: LanguageInterface[] = []
 
 /**
  * The active messages to use.
@@ -106,6 +106,18 @@ function makeReplacements(message: string, replacements?: ReplacementsInterface)
   return message
 }
 
+/**
+ * Resets all the data stored in memory.
+ */
+export const reset = (): void => {
+  loaded = [];
+  options = DEFAULT_OPTIONS;
+
+  for (const [key] of Object.entries(activeMessages)) {
+    activeMessages[key] = null;
+  }
+}
+
 /**
  * The Vue Plugin. to be used on your Vue app like this: `app.use(i18nVue)`
  */

test/translate.test.ts

@@ -1,5 +1,7 @@
 import { mount } from '@vue/test-utils'
-import { i18nVue, trans, trans_choice, loadLanguageAsync } from '../src'
+import { i18nVue, trans, trans_choice, loadLanguageAsync, reset } from '../src'
+
+beforeEach(() => reset());
 
 it('translates with $t mixin', async () => {
   const wrapper = await global.mountPlugin(`<h1 v-text="$t('Welcome!')" />`);
@@ -13,6 +15,19 @@ it('translates with "trans" helper', async () => {
   expect(trans('Welcome!')).toBe('Bem-vindo!');
 })
 
+it('returns the same message if there is no resolve method provided', async () => {
+  const wrapper = mount({ template: `<h1>{{ $t('Welcome!') }}</h1>` }, {
+    global: {
+      plugins: [i18nVue]
+    }
+  });
+
+  await new Promise(resolve => setTimeout(resolve));
+
+  expect(wrapper.html()).toBe('<h1>Welcome!</h1>');
+  expect(trans('Welcome!')).toBe('Welcome!');
+})
+
 it('returns the same string given if it is not found on the lang file', async () => {
   const wrapper = await global.mountPlugin(`<h1>{{ $t('This has no translation') }}</h1>`);