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add alphanumerical sort #872

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Merged
raklaptudirm merged 4 commits into from
Dec 20, 2021
Merged

add alphanumerical sort #872

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dca240d
alphanumerical sort
RuSaG0 Dec 9, 2021
2289c0a
[/pull/872] add description to alphanumerical sort
RuSaG0 Dec 19, 2021
5aa5d3f
[/pull/872] add description to localCompare fn
RuSaG0 Dec 20, 2021
8402828
[/pull/872] code formatter
RuSaG0 Dec 20, 2021
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10 changes: 10 additions & 0 deletions Sorts/AlphaNumericalSort.js
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Original file line number Diff line number Diff line change
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/*
alpha numerical sort = Natural sort order
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https://en.wikipedia.org/wiki/Natural_sort_order
*/

const alphaNumericalSort = (a, b) => {
return a.localeCompare(b, undefined,{ numeric: true })
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};

export { alphaNumericalSort }
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39 changes: 39 additions & 0 deletions Sorts/test/AlphaNumericalSort.test.js
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import {alphaNumericalSort} from "../AlphaNumericalSort";

describe('alphaNumericalComparer', () => {
test('given array of eng symbols return correct sorted array', () => {
const src = ['b','a','c'];
src.sort(alphaNumericalSort);
expect(src).toEqual(['a','b','c']);
});
// --------------------------
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test('given array of numbers return correct sorted array', () => {
const src = ['15','0','5'];
src.sort(alphaNumericalSort);
expect(src).toEqual(['0','5','15']);
});
// --------------------------
test('correct sort with numbers and strings', () => {
const src = ['3','a1b15c','z','a1b14c'];
src.sort(alphaNumericalSort);
expect(src).toEqual(['3','a1b14c','a1b15c','z']);
});
// --------------------------
test('correct sort with long numbers', () => {
const src = ['abc999999999999999999999999999999999cba','abc999999999999999999999999999999990cba','ab'];
src.sort(alphaNumericalSort);
expect(src).toEqual(['ab','abc999999999999999999999999999999990cba','abc999999999999999999999999999999999cba']);
});
// --------------------------
test('correct sort with z prefix', () => {
const src = ['z','abc003def','abc1def','a'];
src.sort(alphaNumericalSort);
expect(src).toEqual(['a','abc1def','abc003def','z']);
});
// --------------------------
test('correct sort with other language', () => {
const src = ['а10б','а2б','в10г','в05г'];
src.sort(alphaNumericalSort);
expect(src).toEqual(['а2б', 'а10б', 'в05г', 'в10г']);
});
});
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