paste-to-file/index.html at main · nickgreengithub/paste-to-file · GitHub

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<!doctype html>
<html lang="en" class="h-full">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>paste-to-file</title>

    <style>
      @font-face {
        font-family: "Alliance No.1";
        src: url("./assets/fonts/alliance-no1-regular.woff2") format("woff2");
        font-weight: 400;
        font-style: normal;
        font-display: swap;
      }

      @font-face {
        font-family: "Alliance No.1";
        src: url("./assets/fonts/alliance-no1-light.woff2") format("woff2");
        font-weight: 300;
        font-style: normal;
        font-display: swap;
      }

      @font-face {
        font-family: "Alliance No.2";
        src: url("./assets/fonts/alliance-no2-light.woff2") format("woff2");
        font-weight: 300;
        font-style: normal;
        font-display: swap;
      }

      :root {
        --bg: #05080d;
        --panel: #070b12;
        --input: #121a26;
        --input-strong: #182233;
        --line: rgba(34, 211, 238, 0.28);
        --line-strong: rgba(34, 211, 238, 0.55);
        --cyan: #22d3ee;
        --cyan-soft: rgba(34, 211, 238, 0.12);
        --text: #d7e6ef;
        --muted: #5f7384;
        --font-1: "Alliance No.1", sans-serif;
        --font-2: "Alliance No.2", sans-serif;
      }

      * {
        box-sizing: border-box;
      }

      html,
      body {
        height: 100%;
        margin: 0;
        overflow: hidden;
      }

      body {
        color: var(--text);
        font-family: var(--font-1);
        background:
          radial-gradient(900px 500px at 50% -20%, rgba(34, 211, 238, 0.07), transparent 60%),
          var(--bg);
      }

      .shell {
        height: 100%;
        width: min(980px, 100%);
        margin: 0 auto;
        padding: 3.5rem 1.25rem;
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 1rem;
      }

      @media (min-width: 640px) {
        .shell {
          padding: 4.5rem 1.5rem;
        }
      }

      .bottom {
        display: flex;
        align-items: center;
        justify-content: flex-end;
        gap: 1rem;
        border-top: 1px solid var(--line);
        padding-top: 0.75rem;
      }

      .github-link {
        display: inline-flex;
        align-items: center;
        gap: 0.45rem;
        font-family: var(--font-1);
        font-size: 0.68rem;
        letter-spacing: 0.16em;
        text-transform: uppercase;
        color: rgba(34, 211, 238, 0.55);
        text-decoration: none;
        transition: color 140ms ease;
      }

      .github-link:hover {
        color: var(--cyan);
      }

      .github-link svg {
        width: 1.1rem;
        height: 1.1rem;
      }

      .grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0.85rem;
        height: min(420px, calc(100vh - 10rem));
        min-height: 280px;
      }

      @media (max-width: 860px) {
        .grid {
          grid-template-columns: 1fr;
          height: min(560px, calc(100vh - 10rem));
        }
      }

      .panel {
        position: relative;
        min-height: 0;
        height: 100%;
        background: var(--panel);
        border: 1px solid var(--line);
        box-shadow:
          inset 0 0 0 1px rgba(34, 211, 238, 0.04),
          0 0 24px rgba(34, 211, 238, 0.05);
      }

      .panel::before,
      .panel::after {
        display: none;
      }

      .editor {
        height: 100%;
        background: transparent;
      }

      #contentInput {
        width: 100%;
        height: 100%;
        min-height: 0;
        resize: none;
        border: 0;
        outline: none;
        background: transparent;
        color: var(--text);
        font-family: var(--font-1);
        font-weight: 300;
        font-size: 1rem;
        line-height: 1.65;
        padding: 1.1rem 1.15rem;
      }

      #contentInput::placeholder {
        color: var(--muted);
        font-family: var(--font-2);
      }

      .editor:focus-within {
        border-color: var(--line-strong);
        box-shadow:
          inset 0 0 0 1px rgba(34, 211, 238, 0.08),
          0 0 28px rgba(34, 211, 238, 0.12);
      }

      .rail {
        display: flex;
        flex-direction: column;
        gap: 0.85rem;
        min-height: 0;
        height: 100%;
        background: transparent;
        border: 0;
        box-shadow: none;
      }

      .rail::before,
      .rail::after {
        display: none;
      }

      .contents {
        flex: 1;
        display: flex;
        flex-direction: column;
        min-height: 0;
        background: transparent;
        border: 0;
        box-shadow: none;
        padding: 0;
      }

      .filename {
        flex-shrink: 0;
        display: flex;
        flex-direction: column;
        gap: 0.7rem;
        height: auto;
        background: transparent;
        border: 0;
        box-shadow: none;
        padding: 0;
      }

      .stats {
        display: grid;
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto auto 1fr;
        gap: 0;
        flex: 1;
        min-height: 0;
        border-top: 1px solid var(--line);
        border-bottom: 1px solid var(--line);
      }

      .stat {
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
        gap: 0.15rem;
        border-right: 1px solid var(--line);
        border-bottom: 1px solid var(--line);
        padding: 0.85rem 0.6rem;
      }

      .stat:nth-child(2n) {
        border-right: 0;
      }

      .stat:nth-last-child(-n + 2) {
        border-bottom: 0;
      }

      .stat-value {
        font-family: var(--font-1);
        font-size: 1.15rem;
        color: var(--cyan);
        text-shadow: 0 0 12px rgba(34, 211, 238, 0.35);
        line-height: 1.1;
      }

      .stat-label {
        font-family: var(--font-2);
        font-size: 0.62rem;
        letter-spacing: 0.12em;
        text-transform: uppercase;
        color: var(--muted);
      }

      #filenameInput {
        width: 100%;
        height: 2.75rem;
        border: 1px solid var(--line);
        background: transparent;
        color: var(--text);
        font-family: var(--font-2);
        font-weight: 300;
        font-size: 0.9rem;
        padding: 0 0.8rem;
        outline: none;
        transition: border-color 140ms ease, box-shadow 140ms ease;
      }

      #filenameInput:focus {
        border-color: var(--line-strong);
        background: transparent;
        box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.2), 0 0 16px rgba(34, 211, 238, 0.15);
      }

      .actions {
        display: grid;
        grid-template-columns: 1fr 1fr 1fr;
        gap: 0.55rem;
      }

      .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 0.4rem;
        height: 2.75rem;
        width: 100%;
        border: 1px solid var(--line-strong);
        background: transparent;
        color: var(--cyan);
        font-family: var(--font-1);
        font-size: 0.9rem;
        letter-spacing: 0.04em;
        cursor: pointer;
        box-shadow: 0 0 16px rgba(34, 211, 238, 0.12);
        transition: border-color 140ms ease, box-shadow 140ms ease, color 140ms ease;
      }

      .btn svg {
        width: 0.95rem;
        height: 0.95rem;
      }

      .btn:hover {
        border-color: var(--cyan);
        box-shadow: 0 0 22px rgba(34, 211, 238, 0.28);
        color: #a5f3fc;
      }

      .btn:active {
        color: var(--cyan);
      }

      .btn:focus-visible {
        outline: 1px solid var(--cyan);
        outline-offset: 2px;
      }
    </style>
  </head>
  <body>
    <main class="shell">
      <section class="grid">
        <div class="panel editor">
          <textarea
            id="contentInput"
            placeholder="Paste your content here..."
            spellcheck="false"
          ></textarea>
        </div>

        <aside class="rail">
          <div class="contents">
            <div class="stats">
              <div class="stat">
                <span id="statWords" class="stat-value">0</span>
                <span class="stat-label">Words</span>
              </div>
              <div class="stat">
                <span id="statChars" class="stat-value">0</span>
                <span class="stat-label">Characters</span>
              </div>
              <div class="stat">
                <span id="statRows" class="stat-value">0</span>
                <span class="stat-label">Rows</span>
              </div>
              <div class="stat">
                <span id="statCols" class="stat-value">—</span>
                <span class="stat-label">Columns</span>
              </div>
              <div class="stat">
                <span id="statSize" class="stat-value">0 B</span>
                <span id="statSizeLabel" class="stat-label">Size</span>
              </div>
              <div class="stat">
                <span id="statDelimiter" class="stat-value">—</span>
                <span class="stat-label">Delimiter</span>
              </div>
            </div>
          </div>

          <div class="filename">
            <input
              id="filenameInput"
              type="text"
              value="my_converted_file"
              placeholder="filename"
              aria-label="Filename"
            />

            <div class="actions">
              <button id="downloadCsv" class="btn" type="button" aria-label="Download CSV file" title="Download CSV">
                <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.8">
                  <path d="M12 3v12"></path>
                  <path d="m7 10 5 5 5-5"></path>
                  <path d="M5 20h14"></path>
                </svg>
                .csv
              </button>

              <button id="downloadMd" class="btn" type="button" aria-label="Download Markdown file" title="Download Markdown">
                <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.8">
                  <path d="M12 3v12"></path>
                  <path d="m7 10 5 5 5-5"></path>
                  <path d="M5 20h14"></path>
                </svg>
                .md
              </button>

              <button id="downloadTxt" class="btn" type="button" aria-label="Download TXT file" title="Download TXT">
                <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.8">
                  <path d="M12 3v12"></path>
                  <path d="m7 10 5 5 5-5"></path>
                  <path d="M5 20h14"></path>
                </svg>
                .txt
              </button>
            </div>
          </div>
        </aside>
      </section>

      <footer class="bottom">
        <a href="https://github.com/nickgreengithub/paste-to-file" target="_blank" class="github-link">
          <svg viewBox="0 0 24 24" fill="currentColor" aria-hidden="true"><path d="M12 2C6.477 2 2 6.477 2 12c0 4.42 2.865 8.166 6.839 9.489.5.092.682-.217.682-.482 0-.237-.009-.866-.013-1.7-2.782.604-3.369-1.34-3.369-1.34-.454-1.156-1.11-1.463-1.11-1.463-.908-.62.069-.608.069-.608 1.003.07 1.531 1.03 1.531 1.03.892 1.529 2.341 1.087 2.91.831.092-.646.35-1.086.636-1.337-2.22-.253-4.555-1.11-4.555-4.943 0-1.091.39-1.984 1.029-2.683-.103-.253-.446-1.27.098-2.647 0 0 .84-.268 2.75 1.026A9.578 9.578 0 0 1 12 6.844a9.58 9.58 0 0 1 2.508.337c1.909-1.294 2.747-1.026 2.747-1.026.546 1.377.203 2.394.1 2.647.64.699 1.028 1.592 1.028 2.683 0 3.842-2.339 4.687-4.566 4.935.359.309.678.919.678 1.852 0 1.336-.012 2.415-.012 2.743 0 .267.18.578.688.48C19.138 20.163 22 16.418 22 12c0-5.523-4.477-10-10-10Z"/></svg>
          GitHub
        </a>
      </footer>
    </main>

    <script>
      const contentInput = document.getElementById("contentInput");
      const filenameInput = document.getElementById("filenameInput");
      const downloadCsv = document.getElementById("downloadCsv");
      const downloadMd = document.getElementById("downloadMd");
      const downloadTxt = document.getElementById("downloadTxt");
      const statWords = document.getElementById("statWords");
      const statChars = document.getElementById("statChars");
      const statRows = document.getElementById("statRows");
      const statCols = document.getElementById("statCols");
      const statSize = document.getElementById("statSize");
      const statSizeLabel = document.getElementById("statSizeLabel");
      const statDelimiter = document.getElementById("statDelimiter");

      const formatSize = (bytes) => {
        if (bytes < 1024) return `${bytes} B`;
        if (bytes < 1024 * 1024) return `${(bytes / 1024).toFixed(1)} KB`;
        return `${(bytes / (1024 * 1024)).toFixed(1)} MB`;
      };

      const byteSize = (value) => new TextEncoder().encode(value).length;

      const delimiterChar = (delim) => {
        if (delim === "tab") return "\t";
        if (delim === "pipe") return "|";
        return ",";
      };

      const detectDelimiter = (text) => {
        if (!text) return null;
        const lines = text.split(/\r\n|\n|\r/).filter((l) => l.length > 0);
        if (lines.length === 0) return null;
        const sample = lines.slice(0, 20);
        const commaHits = sample.reduce((n, l) => n + (l.match(/,/g) || []).length, 0);
        const tabHits = sample.reduce((n, l) => n + (l.match(/\t/g) || []).length, 0);
        const pipeHits = sample.reduce((n, l) => n + (l.match(/\|/g) || []).length, 0);
        const max = Math.max(commaHits, tabHits, pipeHits);
        if (max === 0) return null;
        if (tabHits === max) return "tab";
        if (pipeHits === max) return "pipe";
        return "comma";
      };

      const isCsvSuited = (text, delim) => {
        if (!delim || !text.trim()) return false;
        const lines = text.split(/\r\n|\n|\r/).filter((l) => l.trim().length > 0);
        if (lines.length === 0) return false;

        const d = delimiterChar(delim);
        const counts = lines.map((line) => line.split(d).length);
        const maxCols = Math.max(...counts);
        if (maxCols < 2) return false;

        const matching = counts.filter((count) => count === maxCols).length;
        return matching / counts.length >= 0.8;
      };

      const escapeCsvField = (field) => {
        if (/[",\r\n]/.test(field)) return `"${field.replace(/"/g, '""')}"`;
        return field;
      };

      const csvByteSize = (text, delim) => {
        const d = delimiterChar(delim);
        const lines = text.split(/\r\n|\n|\r/).filter((l) => l.length > 0);
        const csv = lines
          .map((line) => line.split(d).map(escapeCsvField).join(","))
          .join("\n");
        return byteSize(csv);
      };

      const hasMarkdownIndicators = (text) => {
        if (!text.trim()) return false;
        const lines = text.split(/\r\n|\n|\r/);
        return lines.some((line) => /^\s*#/.test(line));
      };

      const detectSizeFormat = (text) => {
        if (!text.trim()) {
          return { label: "Size", bytes: 0 };
        }
        const delim = detectDelimiter(text);
        if (isCsvSuited(text, delim)) {
          return { label: "CSV-Size", bytes: csvByteSize(text, delim) };
        }
        if (hasMarkdownIndicators(text)) {
          return { label: "MD-Size", bytes: byteSize(text) };
        }
        return { label: "TXT-Size", bytes: byteSize(text) };
      };

      const countCsvColumns = (text, delim) => {
        const d = delimiterChar(delim);
        const lines = text.split(/\r\n|\n|\r/).filter((l) => l.trim().length > 0);
        return lines.reduce((max, line) => {
          const cols = line.split(d).length;
          return cols > max ? cols : max;
        }, 0);
      };

      const updateStats = () => {
        const text = contentInput.value ?? "";
        const trimmed = text.trim();
        const words = trimmed ? trimmed.split(/\s+/).length : 0;
        const chars = text.length;
        const rows = text === "" ? 0 : text.split(/\r\n|\n|\r/).length;
        const delim = detectDelimiter(text);
        const csvSuited = isCsvSuited(text, delim);
        const sizeFormat = detectSizeFormat(text);

        statWords.textContent = String(words);
        statChars.textContent = String(chars);
        statRows.textContent = String(rows);
        statCols.textContent = csvSuited ? String(countCsvColumns(text, delim)) : "—";
        statSize.textContent = formatSize(sizeFormat.bytes);
        statSizeLabel.textContent = sizeFormat.label;
        statDelimiter.textContent = csvSuited ? delim : "—";
      };

      const downloadFile = (extension, mimeType) => {
        const text = contentInput.value ?? "";
        const blob = new Blob([text], { type: `${mimeType};charset=utf-8` });
        const url = URL.createObjectURL(blob);
        const link = document.createElement("a");
        const baseName = (filenameInput.value || "my_converted_file").trim();
        const safeName = baseName.replace(/[<>:"/\\|?*\u0000-\u001f]/g, "_");

        link.href = url;
        link.download = `${safeName || "my_converted_file"}.${extension}`;
        document.body.appendChild(link);
        link.click();
        link.remove();
        URL.revokeObjectURL(url);
      };

      contentInput.addEventListener("input", updateStats);
      updateStats();

      downloadCsv.addEventListener("click", () => {
        downloadFile("csv", "text/csv");
      });

      downloadMd.addEventListener("click", () => {
        downloadFile("md", "text/markdown");
      });

      downloadTxt.addEventListener("click", () => {
        downloadFile("txt", "text/plain");
      });
    </script>
  </body>
</html>