98 lines
2.2 KiB
TypeScript
98 lines
2.2 KiB
TypeScript
import {
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parseIngredient,
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unitsOfMeasure as _unitsOfMeasure,
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} from "https://esm.sh/parse-ingredient@1.2.1";
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import { Ingredient, IngredientGroup } from "@lib/recipeSchema.ts";
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import { removeMarkdownFormatting } from "@lib/string.ts";
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const customUnits = {
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tableSpoon: {
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short: "EL",
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plural: "Table Spoons",
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alternates: ["el", "EL", "Tbsp", "tbsp"],
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},
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dose: {
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short: "Dose",
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plural: "Dosen",
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alternates: ["Dose", "dose", "Dose(n)"],
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},
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pound: {
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short: "lb",
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plural: "pounds",
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alternates: ["lb", "lbs", "pound", "pounds"],
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},
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teaSpoon: {
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short: "TL",
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plural: "Tea Spoon",
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alternates: ["tl", "TL", "Tsp", "tsp", "teaspoon"],
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},
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litre: {
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short: "L",
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plural: "liters",
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alternates: ["L", "l"],
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},
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paket: {
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short: "Paket",
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plural: "Pakets",
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alternates: ["Paket", "paket"],
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},
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};
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export const unitsOfMeasure = {
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..._unitsOfMeasure,
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...customUnits,
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} as const;
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export function parseIngredients(
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text: string,
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): (Ingredient | IngredientGroup)[] {
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const cleanText = removeMarkdownFormatting(text)
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.split("\n")
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.map((line) => line.trim().replace(/^-/, ""))
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.join("\n");
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const ingredients = parseIngredient(cleanText, {
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normalizeUOM: true,
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additionalUOMs: customUnits,
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});
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const results: (Ingredient | IngredientGroup)[] = [];
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let currentGroup: IngredientGroup | undefined;
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for (const ing of ingredients) {
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if (ing.isGroupHeader) {
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if (currentGroup) {
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results.push(currentGroup);
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}
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currentGroup = {
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name: ing.description.replace(/:$/, ""),
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items: [],
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};
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} else {
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const ingredient = {
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name: ing.description.replace(/^\s?-/, "").trim(),
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unit: ing.unitOfMeasure || "",
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quantity: ing.quantity?.toString() || ing.quantity2?.toString() || "",
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note: "",
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};
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const unit = ingredient.unit.toLowerCase() as keyof typeof unitsOfMeasure;
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if (unit in unitsOfMeasure && unit !== "cup") {
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ingredient.unit = unitsOfMeasure[unit].short;
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}
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if (!currentGroup) {
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results.push(ingredient);
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} else {
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currentGroup.items.push(ingredient);
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}
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}
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}
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if (currentGroup) {
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results.push(currentGroup);
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}
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return results;
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}
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