| export function exportSession(s) { |
| return JSON.stringify({ |
| version: 2, |
| savedAt: new Date().toISOString(), |
| fileName: s.fileName, |
| pdfHash: s.pdfHash || '', |
| screen: 'reader', |
| noteModes: s.noteModes, |
| commentary: s.commentary, |
| paper: s.paper, |
| litPapers: s.litPapers, |
| litByPara: s.litByPara, |
| figures: s.figures || [], |
| litByFig: s.litByFig || {}, |
| equations: s.equations || [], |
| references: s.references || [], |
| citeIndex: s.citeIndex || {}, |
| userNotes: s.userNotes || {}, |
| paperNote: s.paperNote || '', |
| }, null, 2); |
| } |
|
|
| export function importSession(json) { |
| const s = JSON.parse(json); |
| if ((s.version !== 1 && s.version !== 2) || !s.paper || !s.paper.paragraphs) { |
| throw new Error('could not read that session file'); |
| } |
| |
| if (!s.figures) s.figures = []; |
| if (!s.litByFig) s.litByFig = {}; |
| if (!s.equations) s.equations = []; |
| if (!s.references) s.references = []; |
| if (!s.citeIndex) s.citeIndex = {}; |
| if (!s.userNotes) s.userNotes = {}; |
| if (!s.paperNote) s.paperNote = ''; |
| return s; |
| } |
|
|
| export async function hashPdf(arrayBuffer) { |
| const digest = await crypto.subtle.digest('SHA-256', arrayBuffer); |
| return [...new Uint8Array(digest)].map((b) => b.toString(16).padStart(2, '0')).join(''); |
| } |
|
|
