Vito
66e567cc95
The star is only for favorites (maintainer ruling 2026-10-28). The workspace no longer shows or edits a prompt rating: no Rating field in the Library editor, no stars on Library cards, no "Highest rated" sort on Images or the Library, and no rating column or rated-images total in System > Statistics. The editor never sends `rating`, so a workspace save keeps a stored rating as it is. A saved view or Library visit with the retired rating sort opens on Recently added. Data and API are unchanged; legacy pages keep their ratings. Recorded as deviation D153 (amends D14, D23, D96); concept comparisons map the concept through it.
63 lines
3.3 KiB
JavaScript
63 lines
3.3 KiB
JavaScript
export function layoutLibraryRows(heights, columns, {gap = 18, estimate = 468} = {}) {
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if (!Number.isSafeInteger(columns) || columns < 1) throw new TypeError('Invalid Library columns');
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if (!Number.isFinite(gap) || gap < 0 || !Number.isFinite(estimate) || estimate <= 0) throw new TypeError('Invalid Library geometry');
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const rows = [];
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let top = 0;
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for (let first = 0; first < heights.length; first += columns) {
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const last = Math.min(first + columns, heights.length) - 1;
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let height = 0;
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for (let index = first; index <= last; index++) {
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const measured = heights[index];
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height = Math.max(height, Number.isFinite(measured) && measured > 0 ? measured : estimate);
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}
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rows.push({first, last, top, height});
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top += height + gap;
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}
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return {rows, height: rows.length ? top - gap : 0};
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}
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function lowerBound(rows, after) {
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let low = 0, high = rows.length;
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while (low < high) {
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const middle = low + Math.floor((high - low) / 2);
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if (after(rows[middle])) low = middle + 1;
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else high = middle;
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}
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return low;
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}
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export function visibleLibraryRows(rows, top, viewportHeight, focusedIndex = -1) {
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if (!rows.length) return [];
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top = Number.isFinite(top) ? Math.max(0, top) : 0;
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viewportHeight = Number.isFinite(viewportHeight) ? Math.max(0, viewportHeight) : 0;
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const first = Math.min(rows.length - 1, lowerBound(rows, row => row.top + row.height <= top));
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const end = Math.max(first + 1, lowerBound(rows, row => row.top < top + viewportHeight));
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const visible = new Set();
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for (let index = Math.max(0, first - 2); index < Math.min(rows.length, end + 2); index++) visible.add(index);
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if (Number.isSafeInteger(focusedIndex) && focusedIndex >= 0) {
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const focus = lowerBound(rows, row => row.last < focusedIndex);
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if (focus < rows.length && rows[focus].first <= focusedIndex) visible.add(focus);
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}
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return [...visible].sort((a, b) => a - b);
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}
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// #249 D23: the card footer's words. English month names as the concept's copy, independent of the browser locale.
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const MONTHS = Object.freeze(['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']);
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const DAY_MS = 86400000;
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/** The local calendar day as a UTC day number, so a DST change never makes a day 23 or 25 hours long. */
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const localDay = date => Date.UTC(date.getFullYear(), date.getMonth(), date.getDate()) / DAY_MS;
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/** "Used today", "Used yesterday", "Used N days ago" (under a week), "Used <Mon D>" (", <YYYY>" in another year), or "Not used yet". */
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export function usedLabel(lastUsedAt, now = new Date()) {
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const used = typeof lastUsedAt === 'string' && lastUsedAt ? new Date(lastUsedAt) : null;
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if (!used || Number.isNaN(used.getTime())) return 'Not used yet';
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// A server clock ahead of this browser is not a future use.
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const days = Math.max(0, localDay(now) - localDay(used));
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if (days === 0) return 'Used today';
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if (days === 1) return 'Used yesterday';
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if (days < 7) return `Used ${days} days ago`;
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// A use in another calendar year names it ("Used Oct 21, 2025"), so it never reads as this year's date.
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const year = used.getFullYear() === now.getFullYear() ? '' : `, ${used.getFullYear()}`;
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return `Used ${MONTHS[used.getMonth()]} ${used.getDate()}${year}`;
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}
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