TextDiffTool/index.html at main · mhdi-khosravi/TextDiffTool · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Code-Like Text Compare</title>
  <style>
    body {
      background-color: #1e1e1e;
      color: #d4d4d4;
      font-family: Consolas, monospace;
      padding: 20px;
    }

    h2 {
      color: #ffffff;
    }

    textarea {
      width: 45%;
      height: 300px;
      background-color: #252526;
      color: #dcdcdc;
      border: 1px solid #3c3c3c;
      padding: 10px;
      font-family: Consolas, monospace;
      resize: vertical;
    }

    button {
      background-color: #0e639c;
      color: white;
      border: none;
      padding: 10px 20px;
      font-size: 14px;
      margin-top: 10px;
      cursor: pointer;
      border-radius: 4px;
    }

    .diff-box {
      display: flex;
      gap: 20px;
      margin-top: 20px;
    }

    .diff {
      width: 45%;
      white-space: pre-wrap;
      background-color: #1e1e1e;
      border: 1px solid #3c3c3c;
      padding: 10px;
      min-height: 300px;
      overflow-x: auto;
      display: none; /* Hide by default */
    }

    .added {
      background-color: rgba(144, 238, 144, 0.3); /* Light green */
      color: #b5f4a5;
    }

    .removed {
      background-color: rgba(255, 99, 71, 0.3); /* Light red */
      color: #ffbaba;
    }

    .line-number {
      display: inline-block;
      width: 30px;
      color: #6a9955;
      margin-right: 10px;
      text-align: right;
      user-select: none;
    }

    .font-control {
      display: none; /* Hide by default */
      text-align: center;
      margin-bottom: 10px;
    }

    .font-control span {
      display: inline-block;
      margin: 0 10px;
      font-size: 14px;
      color: #d4d4d4;
    }

          .github-link {
        background: black;
        color: white;
        padding: 5px 15px;
        border-radius: 5px;
        text-decoration: none;
        height: 35px;
        display: inline-block;
        line-height: 2.3;
        letter-spacing: .6px;
        font-family: cursive;
      }

      .github-link svg {
        fill: yellow;
        float: left;
        padding-right: 10px;
      }

  </style>
  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.8.0/styles/vs2015.min.css">
  <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.8.0/highlight.min.js"></script>
</head>
<body>
<a href="https://github.com/mhdi-khosravi/" class="github-link">
      <svg aria-hidden="true" version="1.1" width="32" data-view-component="true" viewBox="0 0 16 16">
        <path fill-rule="evenodd" d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0016 8c0-4.42-3.58-8-8-8z"></path>
      </svg>Github </a>
  <h2>🔍 Code-Like Text Compare Tool</h2>
  <textarea id="left" placeholder="Enter original code or text..."></textarea>
  <textarea id="right" placeholder="Enter updated code or text..."></textarea><br>
  <button onclick="compare()">Compare</button>

  <div class="font-control" id="fontControl">
    <button onclick="changeFontSize(-1)">-</button>
    <span>Font Size</span>
    <button onclick="changeFontSize(1)">+</button>
  </div>

  <div class="diff-box">
    <div id="leftResult" class="diff"></div>
    <div id="rightResult" class="diff"></div>
  </div>

  <script src="https://cdn.jsdelivr.net/npm/diff@5.1.0/dist/diff.min.js"></script>
  <script>
    let fontSize = 14;

    function changeFontSize(delta) {
      fontSize += delta;
      if (fontSize < 10) fontSize = 10; // Minimum font size
      document.querySelectorAll('.diff').forEach(diff => {
        diff.style.fontSize = `${fontSize}px`;
      });
    }

    function compare() {
      const left = document.getElementById("left").value;
      const right = document.getElementById("right").value;

      const diff = Diff.diffLines(left, right); // use lines for code

      let leftHTML = '', rightHTML = '';
      let lineNum = 1;

      diff.forEach(part => {
        const safeValue = part.value.replace(/</g, "<").replace(/>/g, ">").split('\n');
        safeValue.forEach((line, index) => {
          if (line || index < safeValue.length - 1) { // Avoid empty line at the end
            if (part.added) {
              rightHTML += `<span class="line-number">${lineNum}</span><span class="added">${line}</span><br>`;
            } else if (part.removed) {
              leftHTML += `<span class="line-number">${lineNum}</span><span class="removed">${line}</span><br>`;
            } else {
              leftHTML += `<span class="line-number">${lineNum}</span>${line}<br>`;
              rightHTML += `<span class="line-number">${lineNum}</span>${line}<br>`;
            }
            lineNum++;
          }
        });
      });

      const leftResult = document.getElementById("leftResult");
      const rightResult = document.getElementById("rightResult");
      leftResult.innerHTML = leftHTML;
      rightResult.innerHTML = rightHTML;
      leftResult.style.display = 'block'; // Show on compare
      rightResult.style.display = 'block'; // Show on compare

      document.getElementById("fontControl").style.display = 'block'; // Show font controls on compare
    }
  </script>
</body>
</html>