75 lines
2.3 KiB
JavaScript
75 lines
2.3 KiB
JavaScript
/**
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* Sleep helper function
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* @param {number} ms
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* @returns {Promise<void>}
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*/
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const sleep = (ms) => new Promise((resolve) => setTimeout(resolve, ms));
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/**
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* Parses product name to extract amount and unit from parentheses at the end of the name.
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* Handles patterns like (75 g), (1200 ml), (6x 200 ml), (5 x 75 g), (90 Yaprak), etc.
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*
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* @param {string} fullName
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* @returns {{cleanName: string, amountRaw: string|null, amount: number|null, unit: string|null}}
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*/
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function parseName(fullName) {
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if (!fullName) {
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return { cleanName: '', amountRaw: null, amount: null, unit: null };
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}
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// Look for text inside parentheses at the end of the name
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const match = fullName.match(/\(([^)]+)\)\s*$/);
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if (!match) {
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return { cleanName: fullName.trim(), amountRaw: null, amount: null, unit: null };
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}
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const parenContent = match[1].trim(); // e.g., "75 g" or "6x 200 ml" or "90 Yaprak"
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const cleanName = fullName.replace(/\(([^)]+)\)\s*$/, '').trim();
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// Regex to capture numeric part + multiplier expressions (digits, spaces, x, *, ,, ., -)
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// followed by the alphabetic unit part (e.g. g, ml, L, adet, Yaprak)
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const amountUnitMatch = parenContent.match(/^([\d\s.x*X,-]+)\s*([a-zA-ZçıöşğüÇİÖŞĞÜ]+.*)$/);
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if (amountUnitMatch) {
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const amountRaw = amountUnitMatch[1].trim();
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const unit = amountUnitMatch[2].trim();
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let amount = null;
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try {
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// Clean up multiplier characters (convert x, X to *, replace Turkish decimal comma with dot)
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const evalString = amountRaw.toLowerCase().replace(/x/g, '*').replace(/,/g, '.');
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// Ensure only numbers, math operations, and spaces exist in the evaluation string to prevent arbitrary code execution
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if (/^[0-9\s.*+-]+$/.test(evalString)) {
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// Safe evaluation
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amount = Function(`"use strict"; return (${evalString})`)();
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} else {
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amount = parseFloat(amountRaw.replace(/,/g, '.'));
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}
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} catch (e) {
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// Fallback
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amount = parseFloat(amountRaw.replace(/,/g, '.'));
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}
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return {
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cleanName,
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amountRaw,
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amount: (amount && !isNaN(amount)) ? amount : null,
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unit
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};
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}
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// Fallback if structure is different
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return {
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cleanName,
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amountRaw: parenContent,
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amount: null,
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unit: null
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};
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}
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module.exports = {
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sleep,
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parseName
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};
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