Rename files part 2

src/app/Locales.ts

@@ -0,0 +1,39 @@
+import English from '../locales/en.json'
+import { App } from './App'
+
+interface Locale {
+  [key: string]: string
+}
+
+export const Locales: {
+  [key: string]: Locale
+} = {
+  'en': English
+}
+
+export function resolveLocaleParams(value: string, params?: string[]): string | undefined {
+  return value?.replace(/%\d+%/g, match => {
+    const index = parseInt(match.slice(1, -1))
+    return params?.[index] !== undefined ? params[index] : match
+  })
+}
+
+export function locale(key: string, params?: string[]): string {
+  const value: string | undefined = Locales[App.language.get()]?.[key] ?? Locales.en[key]
+  return resolveLocaleParams(value, params) ?? key
+}
+
+export function segmentedLocale(segments: string[], params?: string[], depth = 5, minDepth = 1): string | undefined {
+  return [App.language.get(), 'en'].reduce((prev: string | undefined, code) => {
+      if (prev !== undefined) return prev
+
+      const array = segments.slice(-depth);
+      while (array.length >= minDepth) {
+          const locale = resolveLocaleParams(Locales[code]?.[array.join('.')], params)
+          if (locale !== undefined) return locale
+          array.shift()
+      }
+
+      return undefined
+  }, undefined)
+}