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68 lines
2.3 KiB
JavaScript
68 lines
2.3 KiB
JavaScript
exports.globalUnits = {
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"stk.": { unit: "stk", factor: 1 },
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blatt: { unit: "stk", factor: 1 },
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paar: { unit: "stk", factor: 1 },
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stk: { unit: "stk", factor: 1 },
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st: { unit: "stk", factor: 1 },
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stück: { unit: "stk", factor: 1 },
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mm: { unit: "cm", factor: 0.1 },
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cm: { unit: "cm", factor: 1 },
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zentimeter: { unit: "cm", factor: 1 },
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m: { unit: "cm", factor: 100 },
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meter: { unit: "cm", factor: 100 },
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g: { unit: "g", factor: 1 },
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gramm: { unit: "g", factor: 1 },
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dag: { unit: "g", factor: 10 },
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kg: { unit: "g", factor: 1000 },
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kilogramm: { unit: "g", factor: 1000 },
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ml: { unit: "ml", factor: 1 },
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milliliter: { unit: "ml", factor: 1 },
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dl: { unit: "ml", factor: 10 },
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cl: { unit: "ml", factor: 100 },
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l: { unit: "ml", factor: 1000 },
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liter: { unit: "ml", factor: 1000 },
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wg: { unit: "wg", factor: 1 },
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};
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exports.convertUnit = function (item, units, store, fallback) {
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if (typeof item.quantity == "string") item.quantity = parseFloat(item.quantity.replace(",", "."));
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let unit = item.unit;
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if (typeof unit === "string") unit = unit.toLowerCase();
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const conv = unit in exports.globalUnits ? exports.globalUnits[unit] : units[unit];
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if (conv === undefined) {
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if (fallback) {
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item.quantity = fallback.quantity;
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item.unit = fallback.unit;
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} else {
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console.error(`Unknown unit in ${store}: '${unit}' in item ${item.name}`);
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}
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return item;
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}
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item.quantity = conv.factor * item.quantity;
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item.unit = conv.unit;
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return item;
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};
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exports.parseUnitAndQuantityAtEnd = function (name) {
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let unit,
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quantity = 1;
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const nameTokens = name.trim().replaceAll("(", "").replaceAll(")", "").replaceAll(",", ".").split(" ");
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const lastToken = nameTokens[nameTokens.length - 1];
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const secondLastToken = nameTokens.length >= 2 ? nameTokens[nameTokens.length - 2] : null;
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const token = parseFloat(lastToken) ? lastToken : secondLastToken + lastToken;
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const regex = /^([0-9.x]+)(.*)$/;
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const matches = token.match(regex);
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if (matches) {
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matches[1].split("x").forEach((q) => {
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quantity = quantity * parseFloat(q);
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});
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unit = matches[2];
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return [quantity, unit.toLowerCase()];
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}
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return [undefined, undefined];
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};
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