pdf-server/prototype.html at master · Social-Study/pdf-server · GitHub

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<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
</head>

<body>
  <button onclick="downloadPDF()">Click Me</button>
  <a id="hiddenLink" style="display: none" href=""></a>
</body>

<script>

  const body = {
    title: "test",
    content: "# Hello world"
  }

  function downloadPDF() {
    fetch("http://localhost:3000/", {
      method: "POST",
      headers: {
        "Content-Type": "application/json"
      },
      body: JSON.stringify(body)
    }).then(response => {
      return response.blob();
    }).then(blob => {
      const href = window.URL.createObjectURL(blob);
      const a = document.getElementById('hiddenLink');
      a.download = 'Lebenslauf.pdf';
      a.href = href;
      a.click();
      a.href = '';
    });
  }
</script>

</html>