feat: rewrite programming-challenges CLI (#3)

challenges/first-non-repeating-character/solutions/javascript-non-repeating/README.md

@@ -1,5 +0,0 @@
-# javascript-non-repeating - first-non-repeating-character
-
-Programming language : JavaScript
-
-Created by [@Divlo](https://github.com/Divlo) on 15 November 2020.

challenges/first-non-repeating-character/solutions/javascript/function/README.md

@@ -0,0 +1,3 @@
+# first-non-repeating-character/javascript/function
+
+Created by [@Divlo](https://github.com/Divlo) on 6 June 2021.

challenges/first-non-repeating-character/solutions/javascript/function/package.json

@@ -0,0 +1,3 @@
+{
+  "type": "module"
+}

challenges/first-non-repeating-character/solutions/javascript/function/solution.js

@@ -1,7 +1,16 @@
-/**
- * @param {string} string
- */
-function solution (string) {
+import readline from 'readline'
+
+const input = []
+const readlineInterface = readline.createInterface({
+  input: process.stdin,
+  output: process.stdout
+})
+readlineInterface.on('line', (value) => {
+  input.push(value)
+})
+readlineInterface.on('close', solution)
+
+const firstNonRepeatingCharacter = (string) => {
   const lettersCount = {}
   for (let index = 0; index < string.length; index++) {
     const character = string[index]
@@ -15,7 +24,6 @@ function solution (string) {
       lettersCount[character].total += 1
     }
   }
-
   let result = null
   for (const character in lettersCount) {
     const characterObject = lettersCount[character]
@@ -27,11 +35,12 @@ function solution (string) {
       }
     }
   }
-
   if (result == null) {
     return ''
   }
   return result.value
 }
 
-module.exports = solution
+function solution() {
+  console.log(firstNonRepeatingCharacter(input[0]))
+}