Gracefully Broken Pdf Download Link

function logPDFFailure(error, context) navigator.sendBeacon('/api/log-pdf-error', JSON.stringify( errorCode: error.code, userAction: 'download_pdf', timestamp: Date.now(), page: window.location.pathname, dataSize: context.dataSize ));

Send anonymized failure reports to your analytics. gracefully broken pdf download

If the PDF library fails mid‑generation, catch and transform the error. function logPDFFailure(error, context) navigator

function showGracefulFailureDialog(error) const dialog = <div class="pdf-error-card"> <h3>⚠️ PDF could not be generated</h3> <p>$error.message</p> $error.recoverable ? '<button onclick="retryPDF()">Try again</button>' : '' <button onclick="exportRawData()">Download data as CSV/JSON</button> <button onclick="contactSupport()">Report issue</button> <details> <summary>Technical details</summary> <pre>$error.code</pre> </details> </div> ; showModal(dialog); ' : '' &lt

"success": false, "error": "code": "PDF_GEN_FAILED", "message": "Could not render chart data: time series missing.", "recoverable": true, "suggestedAction": "retry", "userDataPreserved": true

// Frontend / API validation example function validatePDFRequest(data) const issues = []; if (!data.content) issues.push("No content provided"); if (data.content?.length > 500_000) issues.push("Content too large (>500k chars)"); if (data.images?.some(img => img.size > 10_000_000)) issues.push("Image exceeds 10MB limit"); return issues;