castArray

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castArray
说明
将给定的值强制转成数组
源码
​https://github.com/ddzy/ts-utility-plugins/tree/master/src/ddzy/utility/array/castArray​
用法
castArray.test.ts
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import { castArray } from "../../utility/array/castArray";
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​
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describe('castArray', () => {
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  test('castArray should convert the passed value to array forcibly', () => {
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    interface IObjParams {
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      age: number,
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    };
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    const obj: IObjParams = {
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      age: 21,
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    };
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​
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    const received = [
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      0,
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      undefined,
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      null,
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      'ddzy',
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      obj,
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    ];
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    const expected = [
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      [0],
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      [undefined],
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      [null],
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      ['ddzy'],
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      [obj],
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    ];
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​
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    for (const [i, v] of received.entries()) {
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      const result = castArray<typeof v>(v) as any[];
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​
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      expect(result[0]).toBe(expected[i][0]);
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    }
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  });
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​
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  test('castArray should return it immediatly when receive an array', () => {
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    const arr: number[] = [];
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​
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    const received = [
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      arr,
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    ];
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    const expected = [
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      arr,
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    ];
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​
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    for (const [i, v] of received.entries()) {
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      const result = castArray<number[]>(v) as number[];
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​
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      expect(result).toBe(expected[i]);
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    }
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  });
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});
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