divideByThousand

源码
​https://github.com/ddzy/ts-utility-plugins/tree/master/src/ddzy/utility/number/divideByThousand​
说明
将数字按千位分隔
用法
divideByThousand.ts
divideByThousand.test.ts
divideByThousand.ts
import { divideByThousand } from "./ddzy/utility/number/divideByThousand";
​
​
// ? 小于千位的数字
const s1 = 11;
const p1 = divideByThousand(s1);
console.log(p1);
​
console.log('--------------------------');
​
// ? 刚好等于千位的数字
const s2 = 110;
const p2 = divideByThousand(s2);
console.log(p2);
​
console.log('-------------------------');
​
// ? 大于千位的数字
const s3 = 1100;
const s4 = 3456687;
const p3 = divideByThousand(s3);
const p4 = divideByThousand(s4);
console.log(p3);
console.log(p4);
​
console.log('-------------------------');
​
// ? 负数
const s5 = -11;
const s6 = -110;
const s7 = -1100;
const s8 = -3456687;
const p5 = divideByThousand(s5);
const p6 = divideByThousand(s6);
const p7 = divideByThousand(s7);
const p8 = divideByThousand(s8);
console.log(p5);
console.log(p6);
console.log(p7);
console.log(p8);
​
console.log('--------------------------');
​
// ? 自定义分隔符
const s9 = 1325234523642364;
const p9 = divideByThousand(s9, '_');
console.log(p9);
divideByThousand.test.ts
import { divideByThousand } from "../../utility/number/divideByThousand";
​
​
describe('divideByThousand tests...', () => {
​
  test('method divideByThousand should return the correct value', () => {
    const received: number[] = [
      // 小于千位的数字
      11, 45, -56, 0,
      // 刚好等于千位的数字
      110, -323,
      // 大于千位的数字
      1100, 3456687, -4534236423642364,
    ];
    const expected = [
      '11', '45', '-56', '0',
      '110', '-323',
      '1,100', '3,456,687', '-4,534,236,423,642,364'
    ];
​
    received.forEach((v, i) => {
      const result = divideByThousand(v);
​
      expect(result).toBe(expected[i]);
    });
  });
​
  test('method divideByThousand should use customized separator that passed', () => {
    const received = [
      {
        num: 12345,
        separator: '_',
      },
    ];
    const expected = ['12_345'];
​
    received.forEach((v, i) => {
      const result = divideByThousand(v.num, v.separator);
​
      expect(result).toBe(expected[i]);
    });
  });
​
})
inRange
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Last updated 10 months ago