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486 lines
11 KiB
486 lines
11 KiB
4 years ago
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Array.prototype.filter = undefined
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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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const check1 = (el) => el % 2 === 0
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const check2 = (el, i) => el % 3 === 0 && i % 2 === 0
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const check3 = (el) => Array.isArray(el)
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const check4 = (el, i, arr) =>
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typeof el !== 'number' && i % 2 !== 0 && arr.includes(true)
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const check5 = (el, i) =>
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(typeof el === 'number' || typeof el === 'boolean') && i > 5
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const check6 = (el) => el.region === 'South' || el.region === 'West'
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// Filter
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t(({ eq, ctx }) =>
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eq(filter(ctx.onlyNumbers, check1), [
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10,
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-10,
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20,
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86,
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2,
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32,
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450,
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950,
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66,
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150,
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]),
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)
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t(({ eq, ctx }) => eq(filter(ctx.onlyNumbers, check2), [15, 33, 450, 66]))
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t(({ eq, ctx }) =>
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eq(filter(ctx.mixedTypes, check3), [
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['how', 'are', 'the', 2],
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['iu', 2],
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]),
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)
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t(({ eq, ctx }) =>
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eq(filter(ctx.mixedTypes, check4), [
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['how', 'are', 'the', 2],
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['iu', 2],
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'good',
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true,
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]),
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)
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t(({ eq, ctx }) =>
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eq(filter(ctx.mixedTypes, check5), [-10, 2, 65, 2, 2678, true]),
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)
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// Reject
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t(({ eq, ctx }) => eq(reject(ctx.onlyNumbers, check1), [-95, 15, 3, 5, 33, 45]))
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t(({ eq, ctx }) =>
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eq(reject(ctx.onlyNumbers, check2), [
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10,
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-10,
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20,
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-95,
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86,
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2,
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3,
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5,
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32,
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45,
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950,
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150,
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]),
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)
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t(({ eq, ctx }) =>
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eq(reject(ctx.mixedTypes, check3), [
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1,
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2,
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4,
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8,
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'hello',
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12,
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-10,
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'of',
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'well',
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2,
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65,
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'good',
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2,
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2678,
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'be',
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true,
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]),
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)
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t(({ eq, ctx }) =>
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eq(reject(ctx.mixedTypes, check4), [
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1,
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2,
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4,
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8,
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'hello',
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12,
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-10,
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'of',
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'well',
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2,
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65,
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2,
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2678,
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'be',
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]),
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)
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t(({ eq, ctx }) =>
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eq(reject(ctx.mixedTypes, check5), [
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1,
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2,
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4,
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8,
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'hello',
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12,
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['how', 'are', 'the', 2],
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'of',
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['iu', 2],
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'well',
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'good',
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'be',
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]),
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)
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// Partition
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t(({ eq, ctx }) =>
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eq(partition(ctx.onlyNumbers, check1), [
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[10, -10, 20, 86, 2, 32, 450, 950, 66, 150],
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[-95, 15, 3, 5, 33, 45],
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]),
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)
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t(({ eq, ctx }) =>
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eq(partition(ctx.onlyNumbers, check2), [
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[15, 33, 450, 66],
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[10, -10, 20, -95, 86, 2, 3, 5, 32, 45, 950, 150],
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]),
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)
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t(({ eq, ctx }) =>
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eq(partition(ctx.mixedTypes, check3), [
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[
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['how', 'are', 'the', 2],
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['iu', 2],
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],
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[
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1,
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2,
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4,
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8,
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'hello',
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12,
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-10,
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'of',
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'well',
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2,
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65,
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'good',
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2,
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2678,
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'be',
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true,
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],
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]),
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)
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t(({ eq, ctx }) =>
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eq(partition(ctx.mixedTypes, check4), [
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[['how', 'are', 'the', 2], ['iu', 2], 'good', true],
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[1, 2, 4, 8, 'hello', 12, -10, 'of', 'well', 2, 65, 2, 2678, 'be'],
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]),
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)
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t(({ eq, ctx }) =>
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eq(partition(ctx.mixedTypes, check5), [
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[-10, 2, 65, 2, 2678, true],
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[
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1,
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2,
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4,
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8,
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'hello',
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12,
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['how', 'are', 'the', 2],
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'of',
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['iu', 2],
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'well',
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'good',
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'be',
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],
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]),
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)
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/// Filter on an object
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t(({ eq, ctx }) =>
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eq(filter(ctx.statesData, check6), [
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{
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tag: 'AL',
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name: 'Alabama',
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capital: 'Montgomery',
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region: 'South',
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},
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{ tag: 'AK', name: 'Alaska', capital: 'Juneau', region: 'West' },
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{ tag: 'AZ', name: 'Arizona', capital: 'Phoenix', region: 'West' },
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{
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tag: 'AR',
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name: 'Arkansas',
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capital: 'Little Rock',
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region: 'South',
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},
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{
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tag: 'CA',
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name: 'California',
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capital: 'Sacramento',
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region: 'West',
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},
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{ tag: 'CO', name: 'Colorado', capital: 'Denver', region: 'West' },
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{ tag: 'DE', name: 'Delaware', capital: 'Dover', region: 'South' },
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{
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tag: 'DC',
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name: 'District Of Columbia',
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capital: 'Washington',
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region: 'South',
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},
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{
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tag: 'FL',
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name: 'Florida',
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capital: 'Tallahassee',
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region: 'South',
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},
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{ tag: 'GA', name: 'Georgia', capital: 'Atlanta', region: 'South' },
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{ tag: 'HI', name: 'Hawaii', capital: 'Honolulu', region: 'West' },
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{ tag: 'ID', name: 'Idaho', capital: 'Boise', region: 'West' },
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{
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tag: 'KY',
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name: 'Kentucky',
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capital: 'Frankfort',
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region: 'South',
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},
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{
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tag: 'LA',
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name: 'Louisiana',
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capital: 'Baton Rouge',
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region: 'South',
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},
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{
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tag: 'MD',
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name: 'Maryland',
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capital: 'Annapolis',
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region: 'South',
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},
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{
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tag: 'MS',
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name: 'Mississippi',
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capital: 'Jackson',
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region: 'South',
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},
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{ tag: 'MT', name: 'Montana', capital: 'Helena', region: 'West' },
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{ tag: 'NV', name: 'Nevada', capital: 'Carson City', region: 'West' },
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{
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tag: 'NM',
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name: 'New Mexico',
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capital: 'Santa Fe',
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region: 'West',
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},
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{
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tag: 'NC',
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name: 'North Carolina',
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capital: 'Raleigh',
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region: 'South',
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},
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{
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tag: 'OK',
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name: 'Oklahoma',
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capital: 'Oklahoma City',
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region: 'South',
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},
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{ tag: 'OR', name: 'Oregon', capital: 'Salem', region: 'West' },
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{
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tag: 'SC',
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name: 'South Carolina',
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capital: 'Columbia',
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region: 'South',
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},
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{
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tag: 'TN',
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name: 'Tennessee',
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capital: 'Nashville',
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region: 'South',
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},
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{ tag: 'TX', name: 'Texas', capital: 'Austin', region: 'South' },
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{
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tag: 'UT',
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name: 'Utah',
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capital: 'Salt Lake City',
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region: 'West',
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},
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{ tag: 'VA', name: 'Virginia', capital: 'Richmond', region: 'South' },
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{ tag: 'WA', name: 'Washington', capital: 'Olympia', region: 'West' },
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{
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tag: 'WV',
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name: 'West Virginia',
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capital: 'Charleston',
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region: 'South',
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},
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{ tag: 'WY', name: 'Wyoming', capital: 'Cheyenne', region: 'West' },
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]),
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)
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export const setup = () => {
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const onlyNumbers = Object.freeze([
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10,
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-10,
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20,
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-95,
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15,
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86,
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2,
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3,
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5,
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32,
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33,
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45,
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450,
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950,
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66,
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150,
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])
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const mixedTypes = Object.freeze([
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1,
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2,
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4,
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8,
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'hello',
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12,
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-10,
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['how', 'are', 'the', 2],
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'of',
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['iu', 2],
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'well',
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2,
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65,
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'good',
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2,
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2678,
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'be',
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true,
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])
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const statesData = Object.freeze(
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[
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{ tag: 'AL', name: 'Alabama', capital: 'Montgomery', region: 'South' },
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{ tag: 'AK', name: 'Alaska', capital: 'Juneau', region: 'West' },
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{ tag: 'AZ', name: 'Arizona', capital: 'Phoenix', region: 'West' },
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{ tag: 'AR', name: 'Arkansas', capital: 'Little Rock', region: 'South' },
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{ tag: 'CA', name: 'California', capital: 'Sacramento', region: 'West' },
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{ tag: 'CO', name: 'Colorado', capital: 'Denver', region: 'West' },
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{
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tag: 'CT',
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name: 'Connecticut',
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capital: 'Hartford',
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region: 'Northeast',
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},
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{ tag: 'DE', name: 'Delaware', capital: 'Dover', region: 'South' },
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{
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tag: 'DC',
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name: 'District Of Columbia',
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capital: 'Washington',
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region: 'South',
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},
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{ tag: 'FL', name: 'Florida', capital: 'Tallahassee', region: 'South' },
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{ tag: 'GA', name: 'Georgia', capital: 'Atlanta', region: 'South' },
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{ tag: 'HI', name: 'Hawaii', capital: 'Honolulu', region: 'West' },
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{ tag: 'ID', name: 'Idaho', capital: 'Boise', region: 'West' },
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{
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tag: 'IL',
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name: 'Illinois',
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capital: 'Springfield',
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region: 'Midwest',
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},
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{
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tag: 'IN',
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name: 'Indiana',
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capital: 'Indianapolis',
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region: 'Midwest',
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},
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{ tag: 'IA', name: 'Iowa', capital: 'Des Moines', region: 'Midwest' },
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{ tag: 'KS', name: 'Kansas', capital: 'Topeka', region: 'Midwest' },
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{ tag: 'KY', name: 'Kentucky', capital: 'Frankfort', region: 'South' },
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{ tag: 'LA', name: 'Louisiana', capital: 'Baton Rouge', region: 'South' },
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{ tag: 'ME', name: 'Maine', capital: 'Augusta', region: 'Northeast' },
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{ tag: 'MD', name: 'Maryland', capital: 'Annapolis', region: 'South' },
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{
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tag: 'MA',
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name: 'Massachusetts',
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capital: 'Boston',
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region: 'Northeast',
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},
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{ tag: 'MI', name: 'Michigan', capital: 'Lansing', region: 'Midwest' },
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{ tag: 'MN', name: 'Minnesota', capital: 'St. Paul', region: 'Midwest' },
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{ tag: 'MS', name: 'Mississippi', capital: 'Jackson', region: 'South' },
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{
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tag: 'MO',
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name: 'Missouri',
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capital: 'Jefferson City',
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region: 'Midwest',
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},
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{ tag: 'MT', name: 'Montana', capital: 'Helena', region: 'West' },
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{ tag: 'NE', name: 'Nebraska', capital: 'Lincoln', region: 'Midwest' },
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{ tag: 'NV', name: 'Nevada', capital: 'Carson City', region: 'West' },
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{
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tag: 'NH',
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name: 'New Hampshire',
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capital: 'Concord',
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region: 'Northeast',
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},
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{
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tag: 'NJ',
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name: 'New Jersey',
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capital: 'Trenton',
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region: 'Northeast',
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},
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{ tag: 'NM', name: 'New Mexico', capital: 'Santa Fe', region: 'West' },
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{ tag: 'NY', name: 'New York', capital: 'Albany', region: 'Northeast' },
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{
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tag: 'NC',
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name: 'North Carolina',
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capital: 'Raleigh',
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region: 'South',
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},
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{
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tag: 'ND',
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name: 'North Dakota',
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capital: 'Bismarck',
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region: 'Midwest',
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},
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{ tag: 'OH', name: 'Ohio', capital: 'Colombus', region: 'Midwest' },
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{
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tag: 'OK',
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name: 'Oklahoma',
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capital: 'Oklahoma City',
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region: 'South',
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},
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{ tag: 'OR', name: 'Oregon', capital: 'Salem', region: 'West' },
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{
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tag: 'PA',
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name: 'Pennsylvania',
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capital: 'Harrisburg',
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region: 'Northeast',
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},
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{
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tag: 'RI',
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name: 'Rhode Island',
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capital: 'Providence',
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region: 'Northeast',
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},
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{
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tag: 'SC',
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name: 'South Carolina',
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capital: 'Columbia',
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region: 'South',
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},
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{ tag: 'SD', name: 'South Dakota', capital: 'Pierre', region: 'Midwest' },
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{ tag: 'TN', name: 'Tennessee', capital: 'Nashville', region: 'South' },
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{ tag: 'TX', name: 'Texas', capital: 'Austin', region: 'South' },
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{ tag: 'UT', name: 'Utah', capital: 'Salt Lake City', region: 'West' },
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{
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tag: 'VT',
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name: 'Vermont',
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capital: 'Montpelier',
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||
|
region: 'Northeast',
|
||
|
},
|
||
|
{ tag: 'VA', name: 'Virginia', capital: 'Richmond', region: 'South' },
|
||
|
{ tag: 'WA', name: 'Washington', capital: 'Olympia', region: 'West' },
|
||
|
{
|
||
|
tag: 'WV',
|
||
|
name: 'West Virginia',
|
||
|
capital: 'Charleston',
|
||
|
region: 'South',
|
||
|
},
|
||
|
{ tag: 'WI', name: 'Wisconsin', capital: 'Madison', region: 'Midwest' },
|
||
|
{ tag: 'WY', name: 'Wyoming', capital: 'Cheyenne', region: 'West' },
|
||
|
].map((e) => Object.freeze(e)),
|
||
|
)
|
||
|
|
||
|
Object.getPrototypeOf([]).proto = ' [avoid for..in] '
|
||
|
|
||
|
return { onlyNumbers, mixedTypes, statesData }
|
||
|
}
|
||
|
|
||
|
Object.freeze(tests)
|