Utility
pullAll
说明
移除数组
arr 中所有和给定值相等的元素, 原地操作源码
用法
pullAll.test.ts
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import { pullAll } from "../../utility/array/pullAll";
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describe('pullAll tests...', () => {
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test('Method pullAll should receive an array composed of number and return the filtered array', () => {
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const received = {
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origin: [1, 2, 3, 1, 2, 3],
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selector: [2, 3],
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};
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const expected = {
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isEqual: true,
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result: [1, 1],
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};
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const result = pullAll<number>(received.origin, received.selector);
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expect(result === received.origin).toBe(expected.isEqual);
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result.forEach((v, i) => {
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expect(v).toBe(expected.result[i]);
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});
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});
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test('Method pullAll should receive an array composed of plain object and return the filtered array', () => {
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interface IOriginParams {
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name: string,
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age: number,
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};
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const received = {
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origin: [
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{
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name: 'duan',
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age: 21,
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},
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{
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name: 'zhao',
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age: 22,
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},
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{
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name: 'duan',
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age: 21,
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},
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],
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selector: [
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{
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name: 'duan',
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age: 21,
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},
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],
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};
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const expected = {
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isEqual: true,
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result: [
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{
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name: 'duan',
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age: 21,
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},
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{
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name: 'zhao',
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age: 22,
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},
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{
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name: 'duan',
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age: 21,
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},
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],
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};
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const result = pullAll<IOriginParams>(received.origin, received.selector);
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expect(result === received.origin).toBe(expected.isEqual);
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expect(result.length).toBe(expected.result.length);
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});
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test('Method pullAll should receive an array composed of mixed value and return the filtered array', () => {
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const received = {
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origin: [
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0,
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19980808,
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'duanzhaoyang',
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false,
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null,
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undefined,
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Symbol('a'),
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function () { },
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{},
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[],
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],
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selector: [false, undefined, 19980808, []],
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};
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const expected = {
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isEqual: true,
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result: [
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0,
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'duanzhaoyang',
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null,
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Symbol('a'),
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function () { },
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{},
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[],
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],
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};
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const result = pullAll<any>(received.origin, received.selector);
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expect(result === received.origin).toBe(expected.isEqual);
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expect(result.length).toBe(expected.result.length);
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});
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});
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