Utility
castArray
说明
将给定的值强制转成数组
源码
用法
castArray.test.ts
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import { castArray } from "../../utility/array/castArray";
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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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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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for (const [i, v] of received.entries()) {
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const result = castArray<typeof v>(v) as any[];
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expect(result[0]).toBe(expected[i][0]);
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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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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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for (const [i, v] of received.entries()) {
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const result = castArray<number[]>(v) as number[];
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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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