Updated & refreshed content:
Updated & refreshed content:
RIS to PDF Converter
Ready to Convert:
const risInput = document.getElementById(‘risInput’);
const customUploadBtn = document.getElementById(‘customUploadBtn’);
const previewContainer = document.getElementById(‘previewContainer’);
const fileNameDisplay = document.getElementById(‘fileName’);
const downloadBtn = document.getElementById(‘downloadBtn’);
const progressContainer = document.getElementById(‘progressContainer’);
const progressBar = document.getElementById(‘progressBar’);
const countdownText = document.getElementById(‘countdownText’);
let fileName = “converted.pdf”;
let pdfBlobUrl = null;
function generatePdfFromText(text) {
const lines = text.split(‘n’);
let content = `%PDF-1.3n`;
content += `%����n1 0 objn<>nendobjn`;
content += `2 0 objn<>nendobjn`;
content += `3 0 objn<>nendobjn`;
const textContent = lines.slice(0, 40).map((line, index) => {
return `(${line}) Tjn0 -14 Tdn`;
}).join(”);
const stream = `BT /F1 12 Tf 50 750 Td ${textContent} ET`;
const streamLength = stream.length;
content += `4 0 objn<>nstreamn${stream}nendstreamnendobjn`;
content += `xrefn0 5n0000000000 65535 f n0000000010 00000 n n0000000079 00000 n n0000000178 00000 n n0000000277 00000 n n`;
content += `trailern<>nstartxrefn${277 + streamLength}n%%EOF`;
const blob = new Blob([content], { type: “application/pdf” });
return URL.createObjectURL(blob);
}
customUploadBtn.addEventListener(‘click’, () => {
risInput.click();
});
risInput.addEventListener(‘change’, function () {
const file = risInput.files[0];
if (!file || !file.name.endsWith(“.ris”)) {
alert(“Please upload a valid .ris file.”);
return;
}
const reader = new FileReader();
reader.onload = function (e) {
const text = e.target.result;
fileName = file.name.replace(“.ris”, “.pdf”);
pdfBlobUrl = generatePdfFromText(text);
fileNameDisplay.textContent = “File: ” + file.name;
previewContainer.style.display = “block”;
};
reader.readAsText(file);
});
downloadBtn.addEventListener(‘click’, function () {
if (!pdfBlobUrl) return;
progressContainer.style.display = ‘block’;
progressBar.style.width = ‘0%’;
let progress = 0;
let countdown = 10;
countdownText.textContent = countdown;
const interval = setInterval(() => {
progress += 1;
if (progress % 10 === 0) {
countdown–;
countdownText.textContent = countdown;
}
progressBar.style.width = progress + ‘%’;
if (progress >= 100) {
clearInterval(interval);
const a = document.createElement(‘a’);
a.href = pdfBlobUrl;
a.download = fileName;
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
setTimeout(() => {
progressContainer.style.display = ‘none’;
progressBar.style.width = ‘0%’;
countdownText.textContent = ’10’;
}, 500);
}
}, 100); // 10 seconds
});
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