nmemmertandClaude Sonnet 5.5
760c1e568b
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Bookmarks and text highlights are saved per user and merged across devices (union on first contact, newer server copy when this device is clean). Theme, default translation, verse layout, commentary source and reading position sync too, each with its own timestamp so the newest change to each setting wins. The Reader never moves under you while it is open. Signing out clears this device's marks and forgets sync timestamps. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
41 lines
1.9 KiB
JavaScript
41 lines
1.9 KiB
JavaScript
// Bookmarks ({ "JHN-3-16": "#fef08a" }) and text highlights ([{ id, book, chapter, verse,
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// startOffset, endOffset, color }]) — helpers for keeping them in sync between devices.
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export const emptyMarks = () => ({ bookmarks: {}, highlights: [] });
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export const isEmptyMarks = (m) => Object.keys(m.bookmarks).length === 0 && m.highlights.length === 0;
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// Forgiving read of whatever came from localStorage or the server.
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export function normalizeMarks(raw) {
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const bookmarks = raw?.bookmarks && typeof raw.bookmarks === 'object' && !Array.isArray(raw.bookmarks) ? raw.bookmarks : {};
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const highlights = Array.isArray(raw?.highlights) ? raw.highlights.filter((h) => h && typeof h.id === 'string') : [];
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return { bookmarks, highlights };
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}
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const sameSpan = (a, b) => a.book === b.book && a.chapter === b.chapter && a.verse === b.verse
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&& a.startOffset === b.startOffset && a.endOffset === b.endOffset;
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// Union of two devices' marks. Used only when both changed since they last synced, or the
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// first time a device meets the server's copy, so nothing made on either side is lost. Where the
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// same bookmark has two colours, the server's wins.
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export function mergeMarks(local, server) {
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const bookmarks = { ...local.bookmarks, ...server.bookmarks };
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const highlights = [...server.highlights];
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for (const h of local.highlights) {
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if (!highlights.some((s) => s.id === h.id || sameSpan(s, h))) highlights.push(h);
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}
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return { bookmarks, highlights };
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}
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export function marksEqual(a, b) {
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const ka = Object.keys(a.bookmarks);
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if (ka.length !== Object.keys(b.bookmarks).length) return false;
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if (ka.some((k) => a.bookmarks[k] !== b.bookmarks[k])) return false;
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if (a.highlights.length !== b.highlights.length) return false;
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const byId = new Map(b.highlights.map((h) => [h.id, h]));
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return a.highlights.every((h) => {
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const o = byId.get(h.id);
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return o && sameSpan(h, o) && h.color === o.color;
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});
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}
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