zip - ts-utility-plugins-docs

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zip
说明
创建一个分组元素的数组, 数组的第一个元素包含所有给定数组的第一个元素, 数组的第二个元素包含所有给定数组的第二个元素, 以此类推. 打包后的数组的长度等于源二维数组的最大长度的项
源码
​https://github.com/ddzy/ts-utility-plugins/tree/master/src/ddzy/utility/array/zip​
用法
zip.test.ts
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import { zip } from "../../utility/array/zip";
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​
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describe('Method zip tests...', () => {
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  test('zip should return the zipped array correctly when receive an array composed of number', () => {
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    const received = [
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      [1, 2, 3],
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      [4, 5, 6],
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      [7, 8, 9, 10, 11],
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    ];
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    const expected = [
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      [1, 4, 7],
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      [2, 5, 8],
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      [3, 6, 9],
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      [10],
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      [11]
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    ];
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​
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    const result = zip<number>(...received);
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​
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    expect(result.length).toBe(expected.length);
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​
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    result.forEach((outerV, outerI) => {
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      outerV.forEach((innerV, innerI) => {
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        expect(innerV).toBe(expected[outerI][innerI]);
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      });
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    });
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  });
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​
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  test('zip should return the zipped array correctly when receive an mixed array', () => {
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    const arr1: any[] = [];
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    const obj1 = {
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      name: 'duanzhaoyang',
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      age: 21,
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    }
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    const func1 = function () { };
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​
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    const received = [
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      [998, 899, 989, 898],
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      [false, true],
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      [arr1, obj1],
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      [func1]
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    ];
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    const expected = [
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      [998, false, arr1, func1],
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      [899, true, obj1],
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      [989],
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      [898],
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    ];
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​
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    const result = zip<any>(...received);
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​
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    expect(result.length).toBe(expected.length);
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​
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    result.forEach((outerV, outerI) => {
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      outerV.forEach((innerV, innerI) => {
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        expect(innerV).toBe(expected[outerI][innerI]);
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      });
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    });
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  });
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});
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