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refac/fix: note export

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This commit is contained in:
Timothy Jaeryang Baek
2025-11-02 19:40:44 -05:00
parent 024f78d3e0
commit 67aa1b028d
3 changed files with 119 additions and 183 deletions
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82
src/lib/components/notes/Notes.svelte
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@@ -36,6 +36,8 @@
import { createNewNote, deleteNoteById, getNotes } from '$lib/apis/notes';
import { capitalizeFirstLetter, copyToClipboard, getTimeRange } from '$lib/utils';
import { downloadPdf } from './utils';
import EllipsisHorizontal from '../icons/EllipsisHorizontal.svelte';
import DeleteConfirmDialog from '$lib/components/common/ConfirmDialog.svelte';
import Search from '../icons/Search.svelte';
@@ -124,82 +126,18 @@
};
const downloadHandler = async (type) => {
console.log('downloadHandler', type);
console.log('selectedNote', selectedNote);
if (type === 'md') {
if (type === 'txt') {
const blob = new Blob([selectedNote.data.content.md], { type: 'text/plain' });
saveAs(blob, `${selectedNote.title}.txt`);
} else if (type === 'md') {
const blob = new Blob([selectedNote.data.content.md], { type: 'text/markdown' });
saveAs(blob, `${selectedNote.title}.md`);
} else if (type === 'pdf') {
await downloadPdf(selectedNote);
}
};
const downloadPdf = async (note) => {
try {
const [{ default: jsPDF }, { default: html2canvas }] = await Promise.all([
import('jspdf'),
import('html2canvas-pro')
]);
// Define a fixed virtual screen size
const virtualWidth = 1024; // Fixed width (adjust as needed)
const virtualHeight = 1400; // Fixed height (adjust as needed)
// STEP 1. Get a DOM node to render
const html = note.data?.content?.html ?? '';
let node;
if (html instanceof HTMLElement) {
node = html;
} else {
// If it's HTML string, render to a temporary hidden element
node = document.createElement('div');
node.innerHTML = html;
document.body.appendChild(node);
try {
await downloadPdf(selectedNote);
} catch (error) {
toast.error(`${error}`);
}
// Render to canvas with predefined width
const canvas = await html2canvas(node, {
useCORS: true,
scale: 2, // Keep at 1x to avoid unexpected enlargements
width: virtualWidth, // Set fixed virtual screen width
windowWidth: virtualWidth, // Ensure consistent rendering
windowHeight: virtualHeight
});
// Remove hidden node if needed
if (!(html instanceof HTMLElement)) {
document.body.removeChild(node);
}
const imgData = canvas.toDataURL('image/jpeg', 0.7);
// A4 page settings
const pdf = new jsPDF('p', 'mm', 'a4');
const imgWidth = 210; // A4 width in mm
const pageHeight = 297; // A4 height in mm
// Maintain aspect ratio
const imgHeight = (canvas.height * imgWidth) / canvas.width;
let heightLeft = imgHeight;
let position = 0;
pdf.addImage(imgData, 'JPEG', 0, position, imgWidth, imgHeight);
heightLeft -= pageHeight;
// Handle additional pages
while (heightLeft > 0) {
position -= pageHeight;
pdf.addPage();
pdf.addImage(imgData, 'JPEG', 0, position, imgWidth, imgHeight);
heightLeft -= pageHeight;
}
pdf.save(`${note.title}.pdf`);
} catch (error) {
console.error('Error generating PDF', error);
toast.error(`${error}`);
}
};