Translator Kodu Morse'a

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  <style>
    #output {      
      font-size: 1.5em;
    }
    #flash-box {
      font-size: 12em;      
    }  
  </style>
<div class="row my-3">
    <div class="col-md-6">
        <label for="wpm-select" class="form-label">Prędkość nadawania:</label>
        <select class="form-select" id="wpm-select">
            <option value="400">3 WPM</option>
            <option value="200" selected>6 WPM</option>
            <option value="100">12 WPM</option>
            <option value="50">24 WPM</option>
        </select>        
    </div>
</div>
<div class="row my-3">
    <div class="col-12">
        <label class="form-label" for="text-input">Wpisz tekst do przetłumaczenia i błyskaj kodem Morse'a na ekranie:</label>
        <textarea class="form-control" id="text-input" placeholder="Wpisz tutaj tekst"></textarea>        
    </div>
</div>
<div class="row my-3">
    <div class="col-12">
        <button class="btn btn-primary" onclick="startFlash()">Przetłumacz i błyskaj</button>
    </div>
</div>

<div id="output" class="p-3">&nbsp;</div>
<div class="p-0 text-center">
    <div id="flash-box" class="bi bi-lightbulb-fill text-light"></div>    
</div>
<script>
    const morseCodeMap = {
      'a': '.-',    'b': '-...',  'c': '-.-.',  'd': '-..',   'e': '.',
      'f': '..-.',  'g': '--.',   'h': '....',  'i': '..',    'j': '.---',
      'k': '-.-',   'l': '.-..',  'm': '--',    'n': '-.',    'o': '---',
      'p': '.--.',  'q': '--.-',  'r': '.-.',   's': '...',   't': '-',
      'u': '..-',   'v': '...-',  'w': '.--',   'x': '-..-',  'y': '-.--',
      'z': '--..',  '1': '.----', '2': '..---', '3': '...--', '4': '....-',
      '5': '.....', '6': '-....', '7': '--...', '8': '---..', '9': '----.',
      '0': '-----', ' ': '/'
    };
    
    let DOT_DURATION = 200;  // Duration of a dot in milliseconds
    let DASH_DURATION = 600; // Duration of a dash in milliseconds
    let SYMBOL_GAP = 200;    // Gap between symbols
    let LETTER_GAP = 600;    // Gap between letters
    
    const theme = 'light';
    let bulbOnClass = null;
    switch (theme)
    {
        case 'light':
            bulbOnClass = 'text-danger';
            break;
        case 'golden':
            bulbOnClass = 'text-danger';
            break;
        case 'twilight':
            bulbOnClass = 'text-warning';
            break;
        case 'dark':
            bulbOnClass = 'text-warning';
            break;
    }
    
    function translateToMorse(text) {
      return text.toLowerCase().split('').map(char => morseCodeMap[char] || '').join(' ');
    }

    function sleep(ms) {
      return new Promise(resolve => setTimeout(resolve, ms));
    }

    async function flashMorseCode(morseCode) {
      const flashBox = document.getElementById('flash-box');

      for (const symbol of morseCode) {
        if (symbol === '.') {
          flashBox.setAttribute('class', 'bi bi-lightbulb-fill '+bulbOnClass);
          await sleep(DOT_DURATION);
        } else if (symbol === '-') {
          flashBox.setAttribute('class', 'bi bi-lightbulb-fill '+bulbOnClass);
          await sleep(DASH_DURATION);
        } else if (symbol === ' ') {
          await sleep(SYMBOL_GAP);
        } else if (symbol === '/') {
          await sleep(LETTER_GAP);
        }
        flashBox.setAttribute('class', 'bi bi-lightbulb-fill text-light');
        await sleep(SYMBOL_GAP);
      }
    }

    function startFlash() {
      const wpmSelected = document.getElementById('wpm-select').value;    
      const textInput = document.getElementById('text-input').value;        
      const morseCode = translateToMorse(textInput);
      DOT_DURATION = parseInt(wpmSelected);
      DASH_DURATION = DOT_DURATION * 3;
      SYMBOL_GAP = DOT_DURATION;
      LETTER_GAP = DOT_DURATION * 3 
      document.getElementById('output').textContent = `${morseCode}`;
      flashMorseCode(morseCode);
    }
</script>

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Licencja

## BSD-3-Clause License Agreement
BSD-3-Clause
Сopyright (c) 2026 Dariusz Rorat

All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice,
   this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.

3. Neither the name of the copyright holder nor the names of its
   contributors may be used to endorse or promote products derived from
   this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.