Added getLocales method to localization

lib/Localization.js

@@ -172,6 +172,39 @@ module.exports = class Localization {
     return Localization.registerLocales
   }
 
+  /**
+   * Get locales
+   *
+   * @static
+   * @param { string } [lang]         Language constraint
+   * @return { object }               Registered locales
+   */
+  static getLocales (lang = null) {
+    if (!lang) {
+      return locales
+    }
+
+    const byLanguage = {}
+
+    for (const key in locales) {
+      const locale = locales[key][lang]
+      if (locale) {
+        byLanguage[key] = locale
+      }
+    }
+
+    return byLanguage
+  }
+
+  /**
+   * Get locales
+   *
+   * @return { object }               Registered locales
+   */
+  getLocales (...args) {
+    return Localization.getLocales(...args)
+  }
+
   /**
    * Unregister locales
    *

package.json

@@ -1,6 +1,6 @@
 {
   "name": "helpers.js",
-  "version": "0.18.1",
+  "version": "0.18.2",
   "description": "Miscellaneous helpers",
   "main": "index.js",
   "scripts": {

tests/localization/getLocales.js

@@ -0,0 +1,56 @@
+const expect = require('expect.js')
+const Localization = require('../../lib/Localization')
+
+describe('Localization getLocales', () => {
+  it('should return all locales', (done) => {
+    const locales = {
+      foo: {
+        en: 'Foo en',
+        fi: 'Foo fi'
+      },
+      bar: {
+        en: 'Bar en',
+        fi: 'Bar fi'
+      }
+    }
+
+    Localization.registerLocales(locales)
+    const l10n = new Localization()
+
+    const savedStatic = Localization.getLocales()
+    const savedInstance = l10n.getLocales()
+
+    for (const key in locales) {
+      expect(locales[key]).to.eql(savedStatic[key])
+      expect(locales[key]).to.eql(savedInstance[key])
+    }
+
+    done()
+  })
+
+  it('should return all locales by language', (done) => {
+    const locales = {
+      foo: {
+        en: 'Foo en',
+        fi: 'Foo fi'
+      },
+      bar: {
+        en: 'Bar en',
+        fi: 'Bar fi'
+      }
+    }
+
+    Localization.registerLocales(locales)
+    const l10n = new Localization()
+
+    const savedStatic = Localization.getLocales('en')
+    const savedInstance = l10n.getLocales('fi')
+
+    for (const key in locales) {
+      expect(locales[key].en).to.eql(savedStatic[key])
+      expect(locales[key].fi).to.eql(savedInstance[key])
+    }
+
+    done()
+  })
+})