Nils-Johan Gynther
124 lines
5.1 KiB
JavaScript
124 lines
5.1 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.parseRecipeMarkdown = parseRecipeMarkdown;
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const KNOWN_UNITS = new Set([
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'g', 'kg', 'hg', 'mg', 'ml', 'dl', 'l', 'tl',
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'st', 'tsk', 'msk', 'krm', 'matsled', 'tesled',
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'pris', 'portion', 'port', 'burk', 'förp', 'paket', 'efter smak', 'klyfta',
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]);
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const H1_RE = /^#\s+/;
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const H2_RE = /^##\s+/;
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const INGREDIENT_HEADING_RE = /ingrediens/;
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const INSTRUCTION_HEADING_RE = /instruktion|tillagning|gör så här|steg|tillväg|metod/;
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const BULLET_RE = /^[-*]\s+/;
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const PAREN_NOTE_RE = /\(([^)]+)\)\s*$/;
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const FRACTION_RE = /^(\d+)?\s*(\d+)\s*\/\s*([\d.]+)\s+(\S+)\s+(.+)$/;
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const RANGE_RE = /^(?:ca\.?\s+)?(\d+(?:[.,]\d+)?)\s*[-–]\s*(?:ca\.?\s+)?(\d+(?:[.,]\d+)?)\s+(\S+)\s+(.+)$/i;
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const QTY_UNIT_NAME_RE = /^(\d+(?:[.,]\d+)?)\s+(\S+)\s+(.+)$/;
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const QTY_NAME_RE = /^(\d+(?:[.,]\d+)?)\s+(.+)$/;
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const ALTERNATIVES_RE = /\s+eller\s+/i;
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function parseRecipeMarkdown(markdown) {
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const lines = markdown.split('\n');
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let name = '';
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let description = '';
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let instructions = '';
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const ingredients = [];
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let currentSection = 'none';
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const descriptionLines = [];
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const instructionLines = [];
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for (const line of lines) {
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const trimmed = line.trim();
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if (H1_RE.test(trimmed) && !trimmed.startsWith('##')) {
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name = trimmed.replace(H1_RE, '').trim();
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currentSection = 'description';
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continue;
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}
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if (H2_RE.test(trimmed)) {
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const heading = trimmed.replace(H2_RE, '').trim().toLowerCase();
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if (INGREDIENT_HEADING_RE.test(heading)) {
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currentSection = 'ingredients';
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}
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else if (INSTRUCTION_HEADING_RE.test(heading)) {
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currentSection = 'instructions';
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}
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else {
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currentSection = 'none';
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}
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continue;
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}
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switch (currentSection) {
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case 'description':
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if (trimmed.length > 0) {
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descriptionLines.push(trimmed);
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}
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break;
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case 'ingredients':
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if (BULLET_RE.test(trimmed)) {
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const ingredientText = trimmed.replace(BULLET_RE, '');
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ingredients.push(parseIngredientLine(ingredientText));
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}
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break;
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case 'instructions':
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if (trimmed.length > 0) {
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instructionLines.push(trimmed);
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}
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break;
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}
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}
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description = descriptionLines.join('\n');
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instructions = instructionLines.join('\n');
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return { name, description, instructions, ingredients };
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}
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function parseIngredientLine(text) {
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const trimmed = text.trim();
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const toAlternatives = (rawName) => ALTERNATIVES_RE.test(rawName)
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? rawName.split(ALTERNATIVES_RE).map((s) => s.trim()).filter(Boolean)
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: [rawName];
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let note = null;
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let main = trimmed;
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const parenMatch = trimmed.match(PAREN_NOTE_RE);
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if (parenMatch) {
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note = parenMatch[1].trim();
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main = trimmed.slice(0, parenMatch.index).trim();
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}
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const fractionMatch = main.match(FRACTION_RE);
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if (fractionMatch) {
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const whole = fractionMatch[1] ? parseFloat(fractionMatch[1]) : 0;
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const quantity = whole + parseFloat(fractionMatch[2]) / parseFloat(fractionMatch[3]);
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const candidateUnit = fractionMatch[4].toLowerCase();
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if (KNOWN_UNITS.has(candidateUnit)) {
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const rawName = fractionMatch[5].trim();
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return { quantity, unit: candidateUnit, rawName, note, alternatives: toAlternatives(rawName) };
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}
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}
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const rangeMatch = main.match(RANGE_RE);
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if (rangeMatch) {
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const candidateUnit = rangeMatch[3].toLowerCase();
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if (KNOWN_UNITS.has(candidateUnit)) {
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const lo = parseNumber(rangeMatch[1]);
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const hi = parseNumber(rangeMatch[2]);
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const rawName = rangeMatch[4].trim();
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return { quantity: (lo + hi) / 2, unit: candidateUnit, rawName, note, alternatives: toAlternatives(rawName) };
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}
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}
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const fullMatch = main.match(QTY_UNIT_NAME_RE);
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if (fullMatch) {
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const candidateUnit = fullMatch[2].toLowerCase();
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if (KNOWN_UNITS.has(candidateUnit)) {
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const rawName = fullMatch[3].trim();
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return { quantity: parseNumber(fullMatch[1]), unit: candidateUnit, rawName, note, alternatives: toAlternatives(rawName) };
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}
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const rawName = fullMatch[2] + ' ' + fullMatch[3];
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return { quantity: parseNumber(fullMatch[1]), unit: 'st', rawName, note, alternatives: toAlternatives(rawName) };
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}
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const noUnitMatch = main.match(QTY_NAME_RE);
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if (noUnitMatch) {
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const rawName = noUnitMatch[2].trim();
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return { quantity: parseNumber(noUnitMatch[1]), unit: 'st', rawName, note, alternatives: toAlternatives(rawName) };
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}
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return { quantity: 0, unit: '', rawName: main, note, alternatives: toAlternatives(main) };
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}
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function parseNumber(s) {
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return parseFloat(s.replace(',', '.'));
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}
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//# sourceMappingURL=recipe-parser.js.map
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