36 lines
1.2 KiB
JavaScript
36 lines
1.2 KiB
JavaScript
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/**
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* Normalize collector numbers so "015/208" and "15/208" compare equal.
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*/
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export function normalizeCardNumber(value) {
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if (value == null || value === '') return '';
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const trimmed = String(value).trim();
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const slashIndex = trimmed.indexOf('/');
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if (slashIndex === -1) {
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return trimmed.toLowerCase();
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}
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const numerator = trimmed.slice(0, slashIndex).trim();
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const denominator = trimmed.slice(slashIndex + 1).trim();
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const normalizedNumerator = String(parseInt(numerator, 10));
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if (normalizedNumerator === 'NaN') {
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return trimmed.toLowerCase();
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}
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return `${normalizedNumerator}/${denominator}`.toLowerCase();
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}
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export function cardNumbersEquivalent(a, b) {
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if (a == null || b == null || a === '' || b === '') return false;
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return normalizeCardNumber(a) === normalizeCardNumber(b);
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}
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/**
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* Pick one catalog row when name+set candidates share an equivalent collector number.
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*/
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export function findPrintingByCollectorNumber(candidates, cardNumber) {
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if (!cardNumber || candidates.length === 0) return null;
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const matches = candidates.filter((row) => cardNumbersEquivalent(row.card_number, cardNumber));
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return matches.length === 1 ? matches[0] : null;
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}
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