get locale functions

src/data.test.ts

@@ -0,0 +1,10 @@
+import { assertStrictEquals } from "https://deno.land/std@0.87.0/testing/asserts.ts";
+import { getLocaleById } from "./data.ts";
+
+Deno.test("Get locale by id", () => {
+  const id = 25;
+  const actual = getLocaleById(id);
+  const expected = "Salut le Monde!";
+
+  assertStrictEquals(actual, expected, `Expected ${expected}; got ${actual}`);
+});

src/data.ts

@@ -1,4 +1,4 @@
-export const locales = {
+const locales = {
   Afrikaans: "Hallo, wêreld!",
   Albanian: "Pershëndetje Botë",
   Arabic: "أهلاً بالعالم (Ahlan bil 'Alam)",
@@ -80,3 +80,7 @@ export const locales = {
 };
 
 export const localesSize = Object.keys(locales).length;
+
+export const getLocaleById = (id: number) => {
+  return Object.values(locales)[id - 1];
+};

src/index.test.ts

@@ -13,9 +13,9 @@ Deno.test("Hello test", () => {
 });
 
 Deno.test("Specific Hello", () => {
-  const id = 5;
+  const id = 25;
   const actual = sayHello(id);
-  const expected = "Bonjour le monde";
+  const expected = "Salut le Monde!";
 
   assertStrictEquals(actual, expected);
 });

src/index.ts

@@ -8,6 +8,7 @@ export const sayHello = (id?: number) => {
   if (id && idInValidRange(id)) {
     throw new ValidationError(`Invalid index: ${id}`);
   }
+  // const hello = getLocaleByNumber(id);
   return (id === 5) ? "Bonjour le monde" : "Hello, World!";
 };