fix: minor changes and use T when class required

utils/index.js

@@ -1,5 +1,5 @@
 const { pesa } = require('pesa');
-const { T } = require('./translation');
+const { T, t } = require('./translation');
 
 Array.prototype.equals = function (array) {
   return (
@@ -55,7 +55,9 @@ function asyncHandler(fn) {
  * @param {Number} n
  */
 function range(n) {
-  return Array.from(Array(4)).map((d, i) => i);
+  return Array(n)
+    .fill()
+    .map((_, i) => i);
 }
 
 function unique(list, key = (it) => it) {
@@ -86,7 +88,8 @@ function isPesa(value) {
 }
 
 module.exports = {
-  _: T,
+  _: t,
+  t,
   T,
   slug,
   getRandomString,

utils/translation.js

@@ -1,3 +1,5 @@
+import { ValueError } from '../common/errors';
+
 function stringReplace(str, args) {
   if (!Array.isArray(args)) {
     args = [args];
@@ -32,13 +34,23 @@ class TranslationString {
   }
 
   #translate(segment) {
-    if (this.context) {
-      // do something
-    }
+    // TODO: implement translation backend
     return segment;
   }
 
   #stitch() {
+    if (typeof this.args[0] === 'string') {
+      return stringReplace(this.args[0], this.args.slice(1));
+    }
+
+    if (!(this.args[0] instanceof Array)) {
+      throw new ValueError(
+        `invalid args passed to TranslationString ${
+          this.args
+        } of type ${typeof this.args[0]}`
+      );
+    }
+
     const strList = this.args[0];
     const argList = this.args.slice(1);
     return strList
@@ -60,9 +72,9 @@ class TranslationString {
 }
 
 export function T(...args) {
-  if (typeof args[0] === 'string') {
-    return stringReplace(args[0], args.slice(1));
-  }
-
   return new TranslationString(...args);
 }
+
+export function t(...args) {
+  return new TranslationString(...args).s;
+}