Arnaud
9d9dfb46c6
Cooking mode step-by-step view. OpenAPI 3.1 spec auto-generated from Zod schemas. Email lib (resend). Redis client. S3 storage helper. Photo upload endpoint. Landing page. Short recipe URL redirect /r/[id]. API docs page.
46 lines
1.1 KiB
TypeScript
46 lines
1.1 KiB
TypeScript
const FRACTIONS: [number, string][] = [
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[1 / 8, "⅛"],
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[1 / 4, "¼"],
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[1 / 3, "⅓"],
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[3 / 8, "⅜"],
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[1 / 2, "½"],
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[5 / 8, "⅝"],
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[2 / 3, "⅔"],
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[3 / 4, "¾"],
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[7 / 8, "⅞"],
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];
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export function formatQuantity(value: number): string {
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if (value === 0) return "0";
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const whole = Math.floor(value);
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const decimal = value - whole;
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if (decimal < 0.05) return whole === 0 ? "0" : String(whole);
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if (decimal > 0.95) return String(whole + 1);
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let bestFraction = "";
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let bestDiff = Infinity;
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for (const [frac, symbol] of FRACTIONS) {
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const diff = Math.abs(decimal - frac);
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if (diff < bestDiff) {
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bestDiff = diff;
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bestFraction = symbol;
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}
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}
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if (bestDiff > 0.06) {
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return value.toFixed(1);
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}
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return whole === 0 ? bestFraction : `${whole} ${bestFraction}`;
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}
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export function scaleQuantity(baseQuantity: string | null, base: number, desired: number): string {
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if (!baseQuantity) return "";
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const raw = parseFloat(baseQuantity);
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if (isNaN(raw)) return baseQuantity;
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const scale = base === 0 ? 1 : desired / base;
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return formatQuantity(raw * scale);
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}
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