mirror of https://github.com/01-edu/public.git
124 lines
2.8 KiB
JavaScript
124 lines
2.8 KiB
JavaScript
// small database with nutrition facts, per 100 grams
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// prettier-ignore
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const nutritionDB = {
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tomato: { calories: 18, protein: 0.9, carbs: 3.9, sugar: 2.6, fiber: 1.2, fat: 0.2 },
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vinegar: { calories: 20, protein: 0.04, carbs: 0.6, sugar: 0.4, fiber: 0, fat: 0 },
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oil: { calories: 48, protein: 0, carbs: 0, sugar: 123, fiber: 0, fat: 151 },
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onion: { calories: 0, protein: 1, carbs: 9, sugar: 0, fiber: 0, fat: 0 },
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garlic: { calories: 149, protein: 6.4, carbs: 33, sugar: 1, fiber: 2.1, fat: 0.5 },
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paprika: { calories: 282, protein: 14.14, carbs: 53.99, sugar: 1, fiber: 0, fat: 12.89 },
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sugar: { calories: 387, protein: 0, carbs: 100, sugar: 100, fiber: 0, fat: 0 },
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orange: { calories: 49, protein: 0.9, carbs: 13, sugar: 12, fiber: 0.2, fat: 0.1 },
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}
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// /*/ // ⚡
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export const tests = []
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const t = (f) => tests.push(f)
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// filter keys
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t(({ eq, ctx }) =>
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eq(
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filterKeys(ctx.cart, (k) => k.length <= 6),
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ctx.filtered,
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),
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)
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t(({ eq, ctx }) =>
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eq(
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filterKeys(ctx.cart, (k) => /onion/.test(k)),
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{ onion: 200 },
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),
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)
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// map keys
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t(({ eq, ctx }) =>
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eq(
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mapKeys(ctx.cart, (k) => `✔️${k}`),
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ctx.mapped,
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),
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)
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t(({ eq, ctx }) =>
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eq(
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mapKeys(
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filterKeys(ctx.cart, (k) => k === 'onion'),
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(k) => (k = 'orange'),
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),
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{ orange: 200 },
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),
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)
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t(({ eq, ctx }) =>
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eq(
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mapKeys(
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filterKeys(nutritionDB, (k) => k === 'tomato'),
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(k) => `${k}DB`,
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),
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ctx.combo,
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),
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)
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// reduce keys
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t(({ eq, ctx }) =>
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eq(
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reduceKeys(ctx.cart, (acc, cr) => acc.concat(', ', cr)),
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'vinegar, sugar, oil, onion, garlic, paprika',
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),
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)
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t(({ eq, ctx }) =>
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eq(
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reduceKeys(ctx.cart, (acc, cr) => `${acc}${cr}:`, ':'),
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':vinegar:sugar:oil:onion:garlic:paprika:',
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),
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)
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const join = (acc, cr) => (acc == null ? cr : `${acc}:${cr}`)
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t(({ eq, ctx }) =>
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eq(
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reduceKeys(nutritionDB, join, null),
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'tomato:vinegar:oil:onion:garlic:paprika:sugar:orange',
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),
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)
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t(({ eq, ctx }) =>
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eq(
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reduceKeys(ctx.cart, join, undefined),
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'vinegar:sugar:oil:onion:garlic:paprika',
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),
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)
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t(({ eq, ctx }) =>
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eq(
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reduceKeys(ctx.cart, (acc, cr) => (acc += (cr.length <= 4) & 1), 0),
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1,
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),
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)
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Object.freeze(tests)
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export const setup = () => ({
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cart: {
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vinegar: 80,
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sugar: 100,
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oil: 50,
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onion: 200,
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garlic: 22,
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paprika: 4,
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},
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filtered: { sugar: 100, oil: 50, onion: 200, garlic: 22 },
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mapped: {
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'✔️vinegar': 80,
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'✔️sugar': 100,
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'✔️oil': 50,
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'✔️onion': 200,
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'✔️garlic': 22,
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'✔️paprika': 4,
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},
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combo: {
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tomatoDB: {
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calories: 18,
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protein: 0.9,
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carbs: 3.9,
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sugar: 2.6,
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fiber: 1.2,
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fat: 0.2,
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},
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},
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})
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