| 1234567891011121314151617 | import { validUsername, isExternal } from '@/utils/validate.js'describe('Utils:validate', () => {  it('validUsername', () => {    expect(validUsername('admin')).toBe(true)    expect(validUsername('editor')).toBe(true)    expect(validUsername('xxxx')).toBe(false)  })  it('isExternal', () => {    expect(isExternal('https://github.com/PanJiaChen/vue-element-admin')).toBe(true)    expect(isExternal('http://github.com/PanJiaChen/vue-element-admin')).toBe(true)    expect(isExternal('github.com/PanJiaChen/vue-element-admin')).toBe(false)    expect(isExternal('/dashboard')).toBe(false)    expect(isExternal('./dashboard')).toBe(false)    expect(isExternal('dashboard')).toBe(false)  })})
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