refactor: remove unused functions and update peer dependency

lib/helpers/functions.helpers.test.ts

@@ -1,6 +1,5 @@
 import {
   head,
-  tail,
   isString,
   isArray,
   isObject,
@@ -40,13 +39,6 @@ test('head(), should return the first element in an array', () => {
   expect(head(randArr)).toBe(randVal)
 })
 
-test('tail(), should return the last element in an array', () => {
-  const randArr = Array(getRandomInt(100))
-  const randVal = getRandomInt(100)
-  randArr[randArr.length - 1] = randVal
-  expect(tail(randArr)).toBe(randVal)
-})
-
 describe('isString(), should be true only for strings', () => {
   test.each(objectTypesTests)('Testing %s', (type, value) => {
     expect(type !== 'string' || (type === 'string' && isString(value))).toBe(

lib/helpers/functions.ts

@@ -82,8 +82,6 @@ export interface FetchDataOptions<T = UnknownObject> {
 
 export const head = <T>([first]: T[]): T => first
 
-export const tail = <T>(arr: T[]): T => arr[arr.length - 1]
-
 export const isString = (str: unknown): boolean =>
   typeof str === 'string' || str instanceof String
 
@@ -154,12 +152,6 @@ export const sortBy = <T = UnknownObject>(
 export const cleanLonelyInt = (val: string): boolean =>
   !(val && /^\d+$/.test(val))
 
-export const debugPrint = (...args: unknown[]): void => {
-  if (process.env.NODE_ENV !== 'production') {
-    console.log(...args)
-  }
-}
-
 export const errorPrint = (...args: unknown[]): void => {
   console.error(...args)
 }

package.json

@@ -72,7 +72,7 @@
     "linkifyjs": "^4.3.2"
   },
   "peerDependencies": {
-    "react": "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0"
+    "react": "^19.0.0"
   },
   "devDependencies": {
     "@eslint-react/eslint-plugin": "^4.2.3",